fzus61 kbuf 032002
glflo 
expires:202607040300;;355422

open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt fri jul 3 2026

for waters beyond five nautical miles of shore on lake ontario

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...a 30.1 inch high will remain in place today from the 
upper ohio valley to the mid atlantic. a weak cold front will settle 
south across the lake this evening, followed by another weak cold 
front saturday evening. a 30.2 inch high will then build from hudson 
bay saturday to quebec and northern new england sunday night. a weak 
29.9 inch low will then develop over the upper ohio valley late 
sunday and move to the mid atlantic by late monday. a broad 30.1 
inch high is then forecast to build into the great lakes tuesday 
through wednesday.


loz063>065-040300-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 pm edt fri jul 3 2026

.tonight...west winds 5 to 10 knots. a chance of showers early. a
chance of showers late. waves 1 to 2 feet. 
.saturday...west winds 10 knots or less. a chance of showers
through early afternoon. waves 1 foot or less. 
.saturday night...northwest winds 10 knots or less becoming east.
a chance of showers overnight. waves 1 foot or less. 
.sunday...east winds 5 to 10 knots becoming northeast. a chance
of showers. waves 1 foot or less. 
.sunday night...northeast winds 5 to 15 knots becoming east. a
chance of showers. waves 2 feet or less. 
.monday...east winds 5 to 10 knots. showers likely with a chance
of thunderstorms. waves 2 feet or less. 
.tuesday...east winds 10 knots or less becoming southwest. a
chance of showers. waves 1 foot or less. 
.wednesday...southwest winds 5 to 10 knots. waves 1 foot or less.

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 032002
glflo 
expires:202607040300;;355421

open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt fri jul 3 2026

for waters beyond five nautical miles of shore on lake ontario

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...a 30.1 inch high will remain in place today from the 
upper ohio valley to the mid atlantic. a weak cold front will settle 
south across the lake this evening, followed by another weak cold 
front saturday evening. a 30.2 inch high will then build from hudson 
bay saturday to quebec and northern new england sunday night. a weak 
29.9 inch low will then develop over the upper ohio valley late 
sunday and move to the mid atlantic by late monday. a broad 30.1 
inch high is then forecast to build into the great lakes tuesday 
through wednesday.


loz062-040300-
lake ontario open waters from the niagara river to hamlin beach-
402 pm edt fri jul 3 2026

.tonight...west winds 5 to 10 knots. a chance of showers early. a
chance of showers after midnight. waves 1 foot or less. 
.saturday...west winds less than 10 knots becoming southwest. a
chance of showers. waves 1 foot or less. 
.saturday night...east winds 10 knots or less. a chance of
showers. waves 1 foot or less. 
.sunday...east winds 5 to 15 knots. a chance of showers. waves
1 to 3 feet. 
.sunday night...east winds 10 to 15 knots. a chance of showers.
waves 1 to 3 feet. 
.monday...east winds 5 to 15 knots. showers likely with a chance
of thunderstorms during the day, then a chance of showers and
thunderstorms monday night. waves 1 to 3 feet. 
.tuesday...northeast winds 10 knots or less becoming west. a
chance of showers during the day. waves 1 foot or less. 
.wednesday...west winds 10 knots or less becoming southwest.
waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 031943
glfle 
expires:202607040215;;354631

open lake forecast for lake erie
national weather service cleveland oh
343 pm edt fri jul 3 2026

for waters beyond five nautical miles of shore on lake erie

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...
high pressure 30.10 inches currently influences lake erie through
saturday evening as a cold front will drift south over the region
through saturday night. low pressure 29.80 inches will move
through the great lakes region late sunday night dragging a cold
front through. high pressure 30.00 builds into the region early
tuesday.  


lez165>168-040215-
vermilion to avon point oh beyond 5 nm off shoreline to us-
canadian border-
avon point to willowick oh beyond 5 nm off shoreline to us-
canadian border-willowick to geneva-on-the-
lake oh beyond 5nm off shoreline to us-canadian border-geneva-on-
the-lake to conneaut oh beyond 5 nm off shoreline to us-
canadian border-
343 pm edt fri jul 3 2026

.tonight...southwest winds 5 to 10 knots. a slight chance of
showers and thunderstorms early, then a chance of showers and
thunderstorms from late evening on. waves 2 feet or less. 
.saturday...west winds 10 knots or less. a slight chance of
showers in the morning, then a slight chance of showers and
thunderstorms in the afternoon. waves 1 foot or less. 
.saturday night...west winds 10 knots or less becoming south. a
chance of showers and thunderstorms. waves 1 foot or less. 
.sunday...southwest winds 5 to 10 knots becoming east. showers
with a chance of thunderstorms. waves 1 foot or less. 
.sunday night...east winds 5 to 15 knots becoming southeast.
showers likely with a chance of thunderstorms. waves 1 to 2 feet.
.monday...southeast winds 5 to 10 knots becoming northeast. a
chance of showers and thunderstorms during the day, then a chance
of showers monday night. waves 1 to 2 feet. 
.tuesday...northeast winds 10 knots or less. waves 2 feet or
less. 
.wednesday...northwest winds 10 knots or less becoming south.
waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 031943
glfle 
expires:202607040215;;354632

open lake forecast for lake erie
national weather service cleveland oh
343 pm edt fri jul 3 2026

for waters beyond five nautical miles of shore on lake erie

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...
high pressure 30.10 inches currently influences lake erie through
saturday evening as a cold front will drift south over the region
through saturday night. low pressure 29.80 inches will move
through the great lakes region late sunday night dragging a cold
front through. high pressure 30.00 builds into the region early
tuesday.  


lez061-169-040215-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
343 pm edt fri jul 3 2026

.tonight...southwest winds 5 to 10 knots. a chance of showers and
thunderstorms. a chance of showers with a slight chance of
thunderstorms late. waves 1 to 2 feet. 
.saturday...southwest winds 10 knots or less becoming west. a
chance of showers with a slight chance of thunderstorms early,
then a slight chance of showers and thunderstorms from late
morning on. waves around 1 foot. 
.saturday night...southeast winds less than 10 knots becoming
south. a chance of showers and thunderstorms. waves 1 foot or
less. 
.sunday...east winds 5 to 10 knots becoming northeast. showers
likely with a chance of thunderstorms. waves 1 foot or less. 
.sunday night...northeast winds 5 to 10 knots becoming east.
showers likely with a chance of thunderstorms in the evening,
then showers likely overnight. waves 2 feet or less. 
.monday...east winds 5 to 10 knots becoming northeast. showers
likely with a chance of thunderstorms during the day, then a
chance of showers monday night. waves 1 foot or less. 
.tuesday...northeast winds 10 knots or less becoming north. waves
1 foot or less. 
.wednesday...west winds less than 10 knots becoming south. waves
1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 031943
glfle 
expires:202607040215;;354630

open lake forecast for lake erie
national weather service cleveland oh
343 pm edt fri jul 3 2026

for waters beyond five nautical miles of shore on lake erie

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...
high pressure 30.10 inches currently influences lake erie through
saturday evening as a cold front will drift south over the region
through saturday night. low pressure 29.80 inches will move
through the great lakes region late sunday night dragging a cold
front through. high pressure 30.00 builds into the region early
tuesday.  


lez162>164-040215-
detroit river lt. to maumee bay oh to reno beach oh beyond 5nm
offshoreline to us-canadian border-
reno beach to the islands oh beyond 5nm off shoreline to us-
canadian border-
the islands to vermilion oh beyond 5 nm off shoreline to us-
canadian border-
343 pm edt fri jul 3 2026

.tonight...west winds 5 to 10 knots. a chance of showers and
thunderstorms early, then showers likely with a chance of
thunderstorms. a chance of showers with a slight chance of
thunderstorms late. waves 1 foot or less. 
.saturday...west winds 10 knots or less becoming southwest. a
slight chance of showers and thunderstorms in the morning, then a
chance of showers and thunderstorms in the afternoon. waves
1 foot or less. 
.saturday night...south winds 5 to 10 knots. a chance of showers
and thunderstorms. waves 1 foot or less. 
.sunday...southwest winds 5 to 10 knots becoming east. a chance
of showers and thunderstorms in the morning, then showers with a
chance of thunderstorms in the afternoon. waves 1 foot or less. 
.sunday night...southeast winds 5 to 10 knots. showers with a
chance of thunderstorms in the evening, then showers likely
overnight. waves 2 feet or less. 
.monday...east winds 5 to 10 knots becoming north. a chance of
showers and thunderstorms during the day, then a chance of
showers monday night. waves 1 foot or less. 
.tuesday...north winds 10 knots or less becoming northeast. waves
1 foot or less. 
.wednesday...northwest winds 10 knots or less becoming south.
waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 031939
glfsc 
expires:202607040345;;354420

lake st clair forecast
national weather service detroit/pontiac mi
339 pm edt fri jul 3 2026

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...scattered to numerous showers and embedded
thunderstorms will be likely this evening across the southern
great lakes. strong to severe thunderstorm development will be
possible with wind gusts aoa 45 knots as the primary hazard. a
weak cold front then passes south across the region tomorrow,
shifting wind direction to the northeast.


lcz460-040345-
lake st clair-
339 pm edt fri jul 3 2026

...severe thunderstorm watch 447 in effect until 10 pm edt this
evening...

.tonight...west winds 5 to 10 knots. partly cloudy. a chance of
thunderstorms in the evening. a chance of light showers. waves 2
feet or less.
.saturday...west winds 5 to 10 knots early in the morning becoming
light and variable...then becoming southeast 5 to 10 knots late in
the afternoon. partly sunny. a chance of light showers early in the
morning. a chance of light showers early in the afternoon...then
showers likely and a chance of thunderstorms late in the afternoon.
waves 2 feet or less.
.saturday night...east winds 5 to 10 knots. partly cloudy early in
the evening becoming mostly cloudy. light showers likely and a
chance of thunderstorms early in the evening. a chance of showers in
the late evening and overnight. a chance of thunderstorms after
midnight. locally heavy rainfall possible by midnight. waves 2 feet
or less.
.sunday...southeast winds 5 to 10 knots. a chance of thunderstorms
early in the morning. a chance of light showers until late
afternoon...then showers and a chance of thunderstorms early in the
afternoon. waves 2 feet or less.
.sunday night...east winds 10 to 15 knots. showers in the evening. a
chance of thunderstorms. light showers likely after midnight. waves
2 feet or less.
.monday...east winds 10 to 15 knots diminishing to 5 to 10 knots in
the afternoon...then backing to the northeast in the evening. partly
cloudy. a chance of showers and thunderstorms. waves 2 feet or less.
.tuesday...northeast winds 5 to 10 knots. partly cloudy. waves 2
feet or less.
.wednesday...south winds 5 to 10 knots. mostly clear. waves 2 feet
or less.

$$

fzus63 kdtx 031939
glflh 
expires:202607040345;;354369

open lake forecast for lake huron
national weather service detroit/pontiac mi
339 pm edt fri jul 3 2026

for waters beyond five nautical miles off shore on lake huron

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...scattered to numerous showers and embedded
thunderstorms will be likely this evening across the southern
great lakes. strong to severe thunderstorm development will be
possible with wind gusts aoa 45 knots as the primary hazard. a
weak cold front then passes south across the region tomorrow,
shifting wind direction to the northeast.


lhz361-040345-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
339 pm edt fri jul 3 2026

.tonight...west winds 10 to 15 knots decreasing to 5 to 10 knots
by midnight...then veering to the west 5 to 10 knots early in the
morning. waves 2 feet or less. 
.saturday...north winds 5 to 10 knots veering to the northeast in
the late morning and early afternoon...then becoming light and
variable late in the afternoon. waves 2 feet or less. 
.saturday night...light and variable winds becoming northeast
5 to 10 knots after midnight. waves 2 feet or less. 
.sunday...east winds 10 to 15 knots. a chance of showers. waves
2 to 4 feet subsiding to 1 to 3 feet early in the afternoon. 
.sunday night...east winds 5 to 10 knots. a chance of showers.
waves 1 to 3 feet. 
.monday...east winds 5 to 10 knots becoming light and variable.
waves 2 feet or less. 
.tuesday...light and variable winds becoming west 5 to 10 knots
until early evening...then becoming west by midnight. waves
2 feet or less. 
.wednesday...west winds 5 to 10 knots backing to the south by
midnight. a chance of. waves 2 feet or less. 


$$

fzus63 kdtx 031939
glflh 
expires:202607040345;;354370

open lake forecast for lake huron
national weather service detroit/pontiac mi
339 pm edt fri jul 3 2026

for waters beyond five nautical miles off shore on lake huron

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...scattered to numerous showers and embedded
thunderstorms will be likely this evening across the southern
great lakes. strong to severe thunderstorm development will be
possible with wind gusts aoa 45 knots as the primary hazard. a
weak cold front then passes south across the region tomorrow,
shifting wind direction to the northeast.


lhz362-363-040345-
lake huron from presque isle light to sturgeon point mi beyond
5nm off shore-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
339 pm edt fri jul 3 2026

.tonight...light and variable winds becoming northwest 5 to
10 knots early in the morning. waves 2 feet or less. 
.saturday...northeast winds 5 to 10 knots. a chance of showers in
the morning. waves 2 feet or less. 
.saturday night...northeast winds 5 to 10 knots. a chance of
showers after midnight. waves 2 feet or less. 
.sunday...east winds 10 to 15 knots. a chance of showers. waves
1 to 3 feet. 
.sunday night...east winds 10 to 15 knots decreasing to 5 to
10 knots after midnight. a chance of showers. waves 2 to 4 feet
subsiding to 1 to 3 feet after midnight. 
.monday...northeast winds 5 to 10 knots. waves 2 feet or less. 
.tuesday...light and variable winds. waves 2 feet or less. 
.wednesday...light and variable winds becoming southeast 5 to
10 knots by midnight. waves 2 feet or less. 


$$

fzus63 kdtx 031939
glflh 
expires:202607040345;;354371

open lake forecast for lake huron
national weather service detroit/pontiac mi
339 pm edt fri jul 3 2026

for waters beyond five nautical miles off shore on lake huron

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...scattered to numerous showers and embedded
thunderstorms will be likely this evening across the southern
great lakes. strong to severe thunderstorm development will be
possible with wind gusts aoa 45 knots as the primary hazard. a
weak cold front then passes south across the region tomorrow,
shifting wind direction to the northeast.


lhz462>464-040345-
lake huron from port austin to harbor beach beyond 5nm off shore-
lake huron from harbor beach to port sanilac beyond 5nm off shore-
lake huron from port sanilac to port huron beyond 5nm off shore-
339 pm edt fri jul 3 2026

.tonight...north winds 5 to 10 knots early in the evening
becoming light and variable. a chance of showers after midnight.
waves 2 feet or less. 
.saturday...light and variable winds becoming north 5 to 10 knots
in the afternoon. a chance of showers. waves 2 feet or less. 
.saturday night...northeast winds 5 to 10 knots. a chance of
showers after midnight. waves 2 feet or less. 
.sunday...east winds 5 to 10 knots increasing to 10 to 15 knots
early in the afternoon. showers likely in the morning...then
showers likely and a chance of thunderstorms in the afternoon.
waves 1 to 3 feet. 
.sunday night...east winds 10 to 15 knots decreasing to 5 to
10 knots after midnight. showers likely in the evening...then a
chance of showers after midnight. waves 1 to 3 feet. 
.monday...east winds 5 to 10 knots backing to the northeast late
in the afternoon. a chance of showers in the morning. waves
2 feet or less. 
.tuesday...north winds 5 to 10 knots early in the morning
becoming light and variable. waves 2 feet or less. 
.wednesday...light and variable winds. waves 2 feet or less. 


$$

fzus63 kmkx 032005
glflm 
expires:202607040315;;355652

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
305 pm cdt fri jul 3 2026

for waters beyond five nautical miles of shore on lake michigan.

waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the wave, along with the
average height of the highest 10% of the waves which will
occasionally be encountered.

.synopsis...

high pressure around 30.1 inches will sit over the appalachian 
mountains and a trough of low pressure will remain over the great 
plains through tonight. a weak low pressure area will then 
organize and slowly move across wisconsin and lake michigan from 
saturday afternoon into sunday. scattered showers and 
thunderstorms are expected at times through the weekend. patchy 
marine fog will be possible as warm and humid air flows over the 
relatively cooler lake.


lmz080-669-671-777-779-870-872-874-876-878-040315-
lake michigan from michigan city in to st. joseph mi 5 nm
offshore to mid lake-
lake michigan from sheboygan to port washington wi 5 nm offshore
to mid lake-
lake michigan from port washington to north point light wi 5 nm
offshore to mid lake-
lake michigan from winthrop harbor to wilmette harbor il 5 nm
offshore to mid lake-
lake michigan from wilmette harbor il to michigan city in 5 nm
offshore to mid lake-
lake michigan from whitehall to pentwater mi 5 nm offshore to mid
lake-
lake michigan from grand haven to whitehall mi 5 nm offshore to
mid lake-
lake michigan from holland to grand haven mi 5 nm offshore to mid
lake-
lake michigan from south haven to holland mi 5 nm offshore to mid
lake-
lake michigan from st. joseph to south haven mi 5 nm offshore to
mid lake-
305 pm cdt fri jul 3 2026

sheboygan wi to pentwater mi south...

.tonight...south winds 10 to 15 kt becoming southwest after
midnight, then becoming west late. slight chance of showers and
thunderstorms. patchy fog overnight. waves 1 to 2 ft. 
.saturday...northwest winds 5 to 10 kt veering to northeast late
in the morning, then becoming north 10 to 20 kt in the afternoon.
patchy fog in the morning. slight chance of showers and
thunderstorms in the morning, then chance of showers and
thunderstorms in the afternoon. waves 1 to 2 ft. 
.saturday night...northeast winds 10 to 15 kt veering to south.
chance of showers and thunderstorms in the evening, then chance
of showers overnight. waves 1 to 2 ft. 
.sunday...northwest winds 10 to 20 kt. chance of showers. waves
1 to 3 ft. 
.sunday night...north winds 10 to 20 kt diminishing to 10 to
15 kt. waves 2 to 4 ft. 
.monday...north winds 10 to 15 kt increasing to 10 to 20 kt.
waves 1 to 3 ft. 
.monday night...north winds 10 to 20 kt diminishing to 5 to
10 kt. waves 1 to 3 ft. 
.tuesday...north winds 5 to 10 kt increasing to 10 to 15 kt.
waves 1 to 2 ft. 
.wednesday...southwest winds 10 to 15 kt becoming south. waves
1 ft or less.  

$$

fzus63 kmkx 032005
glflm 
expires:202607040315;;355653

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
305 pm cdt fri jul 3 2026

for waters beyond five nautical miles of shore on lake michigan.

waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the wave, along with the
average height of the highest 10% of the waves which will
occasionally be encountered.

.synopsis...

high pressure around 30.1 inches will sit over the appalachian 
mountains and a trough of low pressure will remain over the great 
plains through tonight. a weak low pressure area will then 
organize and slowly move across wisconsin and lake michigan from 
saturday afternoon into sunday. scattered showers and 
thunderstorms are expected at times through the weekend. patchy 
marine fog will be possible as warm and humid air flows over the 
relatively cooler lake.


lmz673-675-040315-
lake michigan from north point light to wind point wi 5 nm
offshore to mid lake-
lake michigan from wind point wi to winthrop harbor il 5 nm
offshore to mid lake-
305 pm cdt fri jul 3 2026

north point light wi to grand haven mi south to winthrop harbor
il to south haven mi...

...severe thunderstorm watch 445 in effect until 7 pm cdt this
evening...

.tonight...south winds 10 to 15 kt veering to southwest 5 to
10 kt. slight chance of showers and thunderstorms. patchy fog
overnight.  damaging winds and large hail this evening. waves
1 to 2 ft. 
.saturday...west winds 5 to 10 kt veering to north. patchy fog in
the morning. slight chance of showers and thunderstorms in the
morning, then chance of showers and thunderstorms in the
afternoon. waves 1 ft or less. 
.saturday night...northeast winds 5 to 10 kt backing to southwest
10 to 15 kt. chance of showers and thunderstorms in the evening,
then chance of showers overnight. waves 1 to 2 ft.
.sunday...west winds 10 to 15 kt becoming northwest. chance of
showers. waves 1 to 3 ft. 
.sunday night...north winds 10 to 20 kt diminishing to 10 to
15 kt. waves 2 to 4 ft. 
.monday...north winds 10 to 15 kt. waves 1 to 3 ft. 
.monday night...north winds 10 to 15 kt diminishing to 5 to
10 kt. waves 1 to 3 ft. 
.tuesday...north winds 5 to 10 kt. waves 1 to 2 ft. 
.wednesday...southwest winds 5 to 10 kt becoming southeast. waves
1 ft or less.  

$$

fzus63 kmkx 032005
glflm 
expires:202607040315;;355651

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
305 pm cdt fri jul 3 2026

for waters beyond five nautical miles of shore on lake michigan.

waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the wave, along with the
average height of the highest 10% of the waves which will
occasionally be encountered.

.synopsis...

high pressure around 30.1 inches will sit over the appalachian 
mountains and a trough of low pressure will remain over the great 
plains through tonight. a weak low pressure area will then 
organize and slowly move across wisconsin and lake michigan from 
saturday afternoon into sunday. scattered showers and 
thunderstorms are expected at times through the weekend. patchy 
marine fog will be possible as warm and humid air flows over the 
relatively cooler lake.


lmz261-362-364-366-563-565-567-868-040315-
lake michigan from seul choix point to rock island passage 5 nm
offshore to mid lake-
lake michigan south of a line from seul choix point to the
mackinac bridge and north of a line from charlevoix mi to south
fox island 5 nm offshore-
lake michigan from charlevoix to point betsie mi 5 nm offshore to
mid lake-
lake michigan from point betsie to manistee mi 5 nm offshore to
mid lake-
lake michigan from rock island passage to sturgeon bay wi-
lake michigan from sturgeon bay to two rivers wi 5 nm offshore to
mid lake-
lake michigan from two rivers to sheboygan wi 5 nm offshore to
mid lake-
lake michigan from pentwater to manistee mi 5 nm offshore to mid
lake-
305 pm cdt fri jul 3 2026

sheboygan wi to pentwater mi north...

.tonight...southwest winds 10 to 20 kt diminishing to 10 to 15 kt
late this evening, then veering to north 5 to 10 kt overnight.
patchy fog. slight chance of showers and thunderstorms. waves
1 to 2 ft. 
.saturday...northeast winds 10 to 15 kt increasing to 10 to
20 kt. patchy fog in the morning. slight chance of showers in the
morning. waves 1 to 2 ft. 
.saturday night...northeast winds 10 to 20 kt becoming east.
chance of showers. waves 1 to 3 ft. 
.sunday...east winds 10 to 20 kt becoming northeast. chance of
showers. waves 2 to 4 ft. 
.sunday night...northeast winds 10 to 20 kt diminishing to 10 to
15 kt. chance of showers in the evening. waves 2 to 4 ft. 
.monday...northeast winds 10 to 15 kt increasing to 10 to 20 kt.
waves 1 to 3 ft. 
.monday night...northeast winds 10 to 20 kt becoming north 5 to
10 kt. waves 1 to 2 ft. 
.tuesday...northwest winds 10 to 15 kt backing to southwest 10 to
20 kt. waves 1 ft or less. 
.wednesday...southwest winds 10 to 15 kt increasing to 10 to
20 kt. waves 1 ft or less.  

$$

fzus63 kmqt 032001
glfls 
expires:202607040800;;355294

open lake forecast for lake superior
national weather service marquette mi
400 pm edt fri jul 3 2026

for waters beyond 5 nautical miles of shore on lake superior.

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.

.synopsis... 

30.0 inch ridging remains over the lake this afternoon, extending 
from high pressure centered over the manitoba/ontario border. 
ridging remains over the lake through the weekend as a weak low of 
29.9 inches passes south of lake superior. late sunday night into 
monday, the high is pushed southeast into quebec at 30.1 inches by a 
29.6 inch low over northern manitoba. the low deepens to 29.5 inches 
by tuesday morning, potentially extending a 29.9 inch trough over 
the lake. meanwhile, 30.1 inch high pressure builds over the 
northern plains, then moves over the great lakes for wednesday.




lsz267-040800-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
400 pm edt fri jul 3 2026

.late this afternoon...northwest winds 5 to 15 knots. waves calm
to 2 feet. 
.tonight...northwest winds 5 to 15 knots veering north late.
patchy fog. waves calm to 2 feet. 
.saturday...northeast winds 5 to 15 knots increasing to 10 to
20 knots in the afternoon, then backing north late. waves calm to
2 feet. 
.saturday night...north winds 5 to 15 knots becoming east 10 to
20 knots after midnight. a slight chance of showers after
midnight. waves building to 1 to 3 feet. 
.sunday...east winds 10 to 20 knots. a slight chance of showers.
waves subsiding to calm to 2 feet. 
.sunday night...northeast winds 5 to 15 knots veering east after
midnight. waves calm to 2 feet. 
.monday...northeast winds 5 to 15 knots backing north by mid
afternoon. waves calm to 2 feet. 
.monday night...southwest winds 5 to 15 knots. waves calm to
2 feet. 
.tuesday...west winds 5 to 15 knots. waves calm to 2 feet. 
.wednesday...northwest winds 5 to 15 knots backing southeast. a
chance of showers. waves calm to 2 feet. 

$$

fzus63 kmqt 032001
glfls 
expires:202607040800;;355290

open lake forecast for lake superior
national weather service marquette mi
400 pm edt fri jul 3 2026

for waters beyond 5 nautical miles of shore on lake superior.

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.

.synopsis... 

30.0 inch ridging remains over the lake this afternoon, extending 
from high pressure centered over the manitoba/ontario border. 
ridging remains over the lake through the weekend as a weak low of 
29.9 inches passes south of lake superior. late sunday night into 
monday, the high is pushed southeast into quebec at 30.1 inches by a 
29.6 inch low over northern manitoba. the low deepens to 29.5 inches 
by tuesday morning, potentially extending a 29.9 inch trough over 
the lake. meanwhile, 30.1 inch high pressure builds over the 
northern plains, then moves over the great lakes for wednesday.




lsz263-040800-
lake superior from saxon harbor wi to upper entrance to portage
canal mi 5nm off shore to the us/canadian border including isle
royale national park-
400 pm edt fri jul 3 2026

.late this afternoon...northeast winds 5 to 15 knots. waves calm
to 2 feet. 
.tonight...northeast winds 5 to 15 knots. waves calm to 2 feet. 
.saturday...northeast winds 5 to 15 knots increasing to 15 to
25 knots. a slight chance of showers and thunderstorms by mid
afternoon. waves building to 2 to 4 feet. 
.saturday night...northeast winds 10 to 20 knots diminishing to
5 to 15 knots after midnight. a slight chance of showers. a
slight chance of thunderstorms after midnight. waves subsiding to
calm to 2 feet. 
.sunday...northeast winds 10 to 20 knots. a slight chance of
showers through early afternoon. waves building to 1 to 3 feet. 
.sunday night...northeast winds 5 to 15 knots diminishing to less
than 10 knots after midnight. waves subsiding to calm to 2 feet. 
.monday...northeast winds less than 10 knots becoming southwest
5 to 15 knots by mid afternoon. waves calm to 2 feet. 
.monday night...southwest winds 5 to 15 knots. waves calm to
2 feet. 
.tuesday...southwest winds 5 to 15 knots veering west. waves calm
to 2 feet. 
.wednesday...east winds 5 to 15 knots. a chance of showers. waves
calm to 2 feet. 

$$

fzus63 kmqt 032001
glfls 
expires:202607040800;;355291

open lake forecast for lake superior
national weather service marquette mi
400 pm edt fri jul 3 2026

for waters beyond 5 nautical miles of shore on lake superior.

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.

.synopsis... 

30.0 inch ridging remains over the lake this afternoon, extending 
from high pressure centered over the manitoba/ontario border. 
ridging remains over the lake through the weekend as a weak low of 
29.9 inches passes south of lake superior. late sunday night into 
monday, the high is pushed southeast into quebec at 30.1 inches by a 
29.6 inch low over northern manitoba. the low deepens to 29.5 inches 
by tuesday morning, potentially extending a 29.9 inch trough over 
the lake. meanwhile, 30.1 inch high pressure builds over the 
northern plains, then moves over the great lakes for wednesday.




lsz264-040800-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
400 pm edt fri jul 3 2026

.late this afternoon...northwest winds 5 to 15 knots. waves calm
to 2 feet. 
.tonight...northwest winds 5 to 15 knots becoming north less than
10 knots after midnight, then becoming northeast 5 to 15 knots
late. waves calm to 2 feet. 
.saturday...east winds 5 to 15 knots backing northeast late.
waves calm to 2 feet. 
.saturday night...northeast winds 5 to 15 knots veering east
late. a slight chance of showers and thunderstorms after
midnight. waves calm to 2 feet. 
.sunday...east winds 5 to 15 knots backing northeast by mid
afternoon. a slight chance of showers through early afternoon.
waves building to 1 to 3 feet, then subsiding to calm to 2 feet. 
.sunday night...northeast winds 5 to 15 knots diminishing to less
than 10 knots after midnight. waves calm to 2 feet. 
.monday...northeast winds less than 10 knots becoming south 5 to
15 knots by mid afternoon. waves calm to 2 feet. 
.monday night...southwest winds 5 to 15 knots. waves calm to
2 feet. 
.tuesday...west winds 5 to 15 knots. waves calm to 2 feet. 
.wednesday...south winds 5 to 15 knots backing southeast. a
chance of showers. waves calm to 2 feet. 

$$

fzus63 kmqt 032001
glfls 
expires:202607040800;;355289

open lake forecast for lake superior
national weather service marquette mi
400 pm edt fri jul 3 2026

for waters beyond 5 nautical miles of shore on lake superior.

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.

.synopsis... 

30.0 inch ridging remains over the lake this afternoon, extending 
from high pressure centered over the manitoba/ontario border. 
ridging remains over the lake through the weekend as a weak low of 
29.9 inches passes south of lake superior. late sunday night into 
monday, the high is pushed southeast into quebec at 30.1 inches by a 
29.6 inch low over northern manitoba. the low deepens to 29.5 inches 
by tuesday morning, potentially extending a 29.9 inch trough over 
the lake. meanwhile, 30.1 inch high pressure builds over the 
northern plains, then moves over the great lakes for wednesday.




lsz162-040800-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 pm edt fri jul 3 2026 /300 pm cdt fri jul 3 2026/

.late this afternoon...northeast winds 5 to 15 knots. patchy fog.
waves calm to 2 feet. 
.tonight...northeast winds 5 to 15 knots. patchy fog through
midnight. a slight chance of showers and thunderstorms. waves
calm to 2 feet. 
.saturday...northeast winds 10 to 20 knots increasing to 15 to
25 knots in the afternoon. a slight chance of showers and
thunderstorms. waves building to 2 to 4 feet. 
.saturday night...northeast winds 10 to 20 knots. a slight chance
of showers. waves subsiding to calm to 2 feet. 
.sunday...northeast winds 10 to 20 knots. a slight chance of
showers through early afternoon. waves building to 1 to 3 feet,
then subsiding to calm to 2 feet. 
.sunday night...northeast winds 5 to 15 knots becoming north less
than 10 knots after midnight. waves calm to 2 feet. 
.monday...north winds less than 10 knots. waves calm to 2 feet. 
.monday night...north winds 5 to 15 knots backing west after
midnight. waves calm to 2 feet. 
.tuesday...southwest winds 5 to 15 knots veering west. waves calm
to 2 feet. 
.wednesday...northeast winds 5 to 15 knots. a chance of showers.
waves calm to 2 feet. 

$$

fzus63 kmqt 032001
glfls 
expires:202607040800;;355292

open lake forecast for lake superior
national weather service marquette mi
400 pm edt fri jul 3 2026

for waters beyond 5 nautical miles of shore on lake superior.

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.

.synopsis... 

30.0 inch ridging remains over the lake this afternoon, extending 
from high pressure centered over the manitoba/ontario border. 
ridging remains over the lake through the weekend as a weak low of 
29.9 inches passes south of lake superior. late sunday night into 
monday, the high is pushed southeast into quebec at 30.1 inches by a 
29.6 inch low over northern manitoba. the low deepens to 29.5 inches 
by tuesday morning, potentially extending a 29.9 inch trough over 
the lake. meanwhile, 30.1 inch high pressure builds over the 
northern plains, then moves over the great lakes for wednesday.




lsz265-040800-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
400 pm edt fri jul 3 2026

.late this afternoon...northeast winds 5 to 15 knots. waves calm
to 2 feet. 
.tonight...east winds 5 to 15 knots backing north after midnight,
then veering northeast late. waves calm to 2 feet. 
.saturday...east winds 5 to 15 knots becoming northeast 10 to
20 knots in the afternoon, then diminishing to 5 to 15 knots
late. waves calm to 2 feet. 
.saturday night...east winds 5 to 15 knots becoming northeast
10 to 20 knots late. a chance of showers and a slight chance of
thunderstorms after midnight. waves calm to 2 feet. 
.sunday...east winds 10 to 20 knots backing northeast by mid
afternoon. a chance of showers. waves building to 1 to 3 feet,
then subsiding to calm to 2 feet. 
.sunday night...northeast winds 5 to 15 knots. waves calm to
2 feet. 
.monday...northeast winds 5 to 15 knots veering east by mid
afternoon. waves calm to 2 feet. 
.monday night...south winds 5 to 15 knots veering southwest after
midnight. waves calm to 2 feet. 
.tuesday...west winds 5 to 15 knots. waves calm to 2 feet. 
.wednesday...east winds 5 to 15 knots veering southeast. a chance
of showers. waves calm to 2 feet. 

$$

fzus63 kmqt 032001
glfls 
expires:202607040800;;355293

open lake forecast for lake superior
national weather service marquette mi
400 pm edt fri jul 3 2026

for waters beyond 5 nautical miles of shore on lake superior.

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.

.synopsis... 

30.0 inch ridging remains over the lake this afternoon, extending 
from high pressure centered over the manitoba/ontario border. 
ridging remains over the lake through the weekend as a weak low of 
29.9 inches passes south of lake superior. late sunday night into 
monday, the high is pushed southeast into quebec at 30.1 inches by a 
29.6 inch low over northern manitoba. the low deepens to 29.5 inches 
by tuesday morning, potentially extending a 29.9 inch trough over 
the lake. meanwhile, 30.1 inch high pressure builds over the 
northern plains, then moves over the great lakes for wednesday.




lsz266-040800-
lake superior east of a line from manitou island to marquette mi
and west of a line from grand marais mi to the us/canadian border
beyond 5nm from shore-
400 pm edt fri jul 3 2026

.late this afternoon...north winds 5 to 15 knots. patchy fog.
waves calm to 2 feet. 
.tonight...northwest winds 5 to 15 knots veering north after
midnight. patchy fog through midnight. waves calm to 2 feet. 
.saturday...northeast winds 5 to 15 knots. waves calm to 2 feet. 
.saturday night...northeast winds 5 to 15 knots veering east
after midnight, then increasing to 10 to 20 knots late. a slight
chance of showers and thunderstorms after midnight. waves
building to 1 to 3 feet. 
.sunday...east winds 10 to 20 knots becoming northeast 5 to
15 knots by mid afternoon. a chance of showers. waves subsiding
to calm to 2 feet. 
.sunday night...northeast winds 5 to 15 knots. waves calm to
2 feet. 
.monday...northeast winds 5 to 15 knots backing north by mid
afternoon. waves calm to 2 feet. 
.monday night...south winds 5 to 15 knots veering southwest after
midnight. waves calm to 2 feet. 
.tuesday...west winds 5 to 15 knots. waves calm to 2 feet. 
.wednesday...east winds 5 to 15 knots veering southeast. a chance
of showers. waves calm to 2 feet. 

$$