fzus61 kbuf 280803
glflo 
expires:202605281500;;777526

open lake forecast for lake ontario
national weather service buffalo ny
403 am edt thu may 28 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 30.3 inch high over ontario will expand southeastward 
across the great lakes today and tonight, before settling into the 
ohio valley friday. a 29.6 inch low will then make its way 
southeastward across quebec friday and new england friday night, 
with its trailing cold front crossing the lake late friday or friday 
night. another 30.2 inch high will then build across the great lakes 
and ohio valley later saturday through sunday, with a 29.8 inch low 
forecast to push south across new england sunday night and monday.


loz062-281500-
lake ontario open waters from the niagara river to hamlin beach-
403 am edt thu may 28 2026

.today...north winds 5 to 15 knots becoming west. waves 1 to
2 feet. 
.tonight...west winds 5 to 10 knots. waves 1 to 2 feet. 
.friday...west winds 10 to 15 knots increasing to 15 to 20 knots.
waves 1 to 2 feet building to 3 to 5 feet. 
.friday night...northwest winds 15 to 20 knots becoming north
10 to 15 knots. waves 3 to 5 feet subsiding to 2 to 4 feet. 
.saturday...north winds 10 to 15 knots becoming west 10 knots or
less. waves 2 feet or less. 
.sunday...west winds 5 to 10 knots becoming northwest. waves
2 feet or less. 
.monday...north winds 10 knots or less becoming northwest. waves
1 foot or less. 

$$

fzus61 kbuf 280803
glflo 
expires:202605281500;;777527

open lake forecast for lake ontario
national weather service buffalo ny
403 am edt thu may 28 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 30.3 inch high over ontario will expand southeastward 
across the great lakes today and tonight, before settling into the 
ohio valley friday. a 29.6 inch low will then make its way 
southeastward across quebec friday and new england friday night, 
with its trailing cold front crossing the lake late friday or friday 
night. another 30.2 inch high will then build across the great lakes 
and ohio valley later saturday through sunday, with a 29.8 inch low 
forecast to push south across new england sunday night and monday.


loz063>065-281500-
lake ontario open waters from hamlin beach to the saint lawrence
river-
403 am edt thu may 28 2026

.today...north winds 5 to 15 knots becoming west. a chance of
showers early. waves 2 feet or less. 
.tonight...west winds 5 to 10 knots. waves 2 feet or less. 
.friday...west winds 10 to 15 knots increasing to 15 to 20 knots.
a chance of showers in the afternoon. waves 1 to 3 feet building
to 3 to 6 feet. 
.friday night...northwest winds 15 to 20 knots becoming north. a
chance of showers. waves 3 to 6 feet. 
.saturday...north winds 15 to 20 knots becoming west 5 to
15 knots. waves 3 to 5 feet subsiding to 1 foot or less. 
.sunday...west winds 5 to 15 knots becoming northwest. waves 1 to
3 feet. 
.monday...northwest winds 5 to 10 knots. waves 2 feet or less. 

$$

fzus61 kcle 281335
glfle 
expires:202605282015;;789145

open lake forecast for lake erie
national weather service cleveland oh
935 am edt thu may 28 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 builds from the northern great lakes 
before another cold front sweeps southward across lake erie friday
night. in the wake of this front, another ridge averaging 30.10 
inches builds from the hudson bay area through tuesday.


lez164-165-282015-
the islands to vermilion oh beyond 5 nm off shoreline to us-
canadian border-
vermilion to avon point oh beyond 5 nm off shoreline to us-
canadian border-
935 am edt thu may 28 2026

.this afternoon...north winds 5 to 15 knots. waves 1 to 2 feet. 
.tonight...north winds 10 knots or less. waves 1 foot or less. 
.friday...north winds 10 knots or less becoming west. waves
1 foot or less. 
.friday night...southwest winds 5 to 10 knots becoming northeast
and increasing to 15 to 20 knots. waves 1 to 3 feet building to
2 to 4 feet. 
.saturday...northeast winds 15 to 20 knots becoming east 5 to
15 knots. waves 3 to 5 feet subsiding to 1 to 3 feet. 
.sunday...east winds 10 knots or less becoming west. waves 1 foot
or less. 
.monday...northwest winds 5 to 10 knots becoming north. waves
2 feet or less. 

$$

fzus61 kcle 281335
glfle 
expires:202605282015;;789144

open lake forecast for lake erie
national weather service cleveland oh
935 am edt thu may 28 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 builds from the northern great lakes 
before another cold front sweeps southward across lake erie friday
night. in the wake of this front, another ridge averaging 30.10 
inches builds from the hudson bay area through tuesday.


lez162-163-282015-
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-
935 am edt thu may 28 2026

.this afternoon...north winds 10 to 15 knots becoming northeast.
waves 1 to 2 feet. 
.tonight...northeast winds 10 knots or less. waves 2 feet or
less. 
.friday...light and variable winds becoming southwest 5 to
10 knots. waves 1 foot or less. 
.friday night...west winds 5 to 10 knots becoming northeast and
increasing to 15 to 20 knots. waves 2 feet or less building to
2 to 4 feet. 
.saturday...northeast winds 15 to 20 knots becoming east 10 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.sunday...east winds 10 knots or less becoming west. waves 1 foot
or less. 
.monday...northwest winds 5 to 10 knots becoming north. waves
2 feet or less. 

$$

fzus61 kcle 281335
glfle 
expires:202605282015;;789146

open lake forecast for lake erie
national weather service cleveland oh
935 am edt thu may 28 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 builds from the northern great lakes 
before another cold front sweeps southward across lake erie friday
night. in the wake of this front, another ridge averaging 30.10 
inches builds from the hudson bay area through tuesday.


lez061-166>169-282015-
ripley to buffalo ny extending from 5nm 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-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
935 am edt thu may 28 2026

.this afternoon...north winds 5 to 15 knots becoming northwest.
waves 2 feet or less. 
.tonight...northwest winds 10 knots or less. waves 1 foot or
less. 
.friday...west winds 10 knots or less becoming southwest and
increasing to 15 to 20 knots in the afternoon. waves 1 foot or
less building to 2 to 4 feet. 
.friday night...southwest winds 10 to 15 knots becoming northeast
15 to 20 knots. waves 2 to 4 feet. 
.saturday...northeast winds 15 to 20 knots becoming east 5 to
15 knots. waves 3 to 5 feet subsiding to 1 to 3 feet. 
.sunday...northeast winds 10 knots or less becoming west. waves
1 foot or less. 
.monday...north winds 5 to 10 knots. waves 2 feet or less. 

$$

fzus63 kdtx 281347
glfsc 
expires:202605282200;;789486

lake st clair forecast
national weather service detroit/pontiac mi
947 am edt thu may 28 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...high pressure, 30.30 inches, over lake superior
leading to persistent northeast flow over lake huron today. the
high will drift to the southern great lakes thursday night into
friday, sustaining dry conditions across the region. a secondary
high pressure system is forecast to expand from hudson bay friday
to lake huron saturday. this will drive a secondary push of gusty
northeast winds, likely increasing winds and waves in the
nearshore areas.


lcz460-282200-
lake st clair-
947 am edt thu may 28 2026

.rest of today...north winds 10 to 15 knots. sunny. waves 1 to 3
feet.
.tonight...northeast winds 10 to 15 knots becoming light and
variable. clear. waves 2 feet or less.
.friday...light and variable winds becoming west 10 to 15 knots.
sunny. waves 2 feet or less.
.friday night...northwest winds 10 to 15 knots becoming northeast 15
to 20 knots in the late evening and overnight. mostly clear. waves 1
to 3 feet.
.saturday...northeast winds 15 to 20 knots diminishing to 10 to 15
knots in the afternoon and evening. clear. waves 2 feet or less.
.sunday...southeast winds 5 to 10 knots. clear. waves 2 feet or
less.
.monday...north winds 10 to 15 knots. mostly clear. waves 2 feet or
less.

$$

fzus63 kdtx 281345
glflh 
expires:202605282145;;789389

open lake forecast for lake huron
national weather service detroit/pontiac mi
945 am edt thu may 28 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...high pressure, 30.30 inches, over lake superior
leading to persistent north-northeast flow over lake huron today.
the high will drift to the southern great lakes thursday night 
into friday, sustaining dry conditions across the region. a 
secondary high pressure system is forecast to expand from hudson 
bay friday to lake huron saturday. this will drive a secondary 
push of gusty northeast winds, likely increasing winds and waves 
in the nearshore areas.


lhz363-462>464-282145-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
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-
945 am edt thu may 28 2026

.rest of today...north winds 10 to 15 knots with gusts to 20 knots.
.tonight...light and variable winds becoming southwest 5 to
10 knots after midnight. waves 1 to 3 feet. 
.friday...southwest winds 5 to 10 knots increasing to 10 to
15 knots in the late morning and afternoon. waves 1 to 3 feet. 
.friday night...north winds 10 to 15 knots becoming northeast
15 to 20 knots by midnight...then decreasing to 10 to 15 knots
after midnight. waves 3 to 5 feet. 
.saturday...northeast winds 5 to 10 knots backing to the 5 to
10 knots late in the afternoon...then becoming light and variable
late in the evening. waves 2 to 4 feet subsiding to 1 to 3 feet
late in the morning...then building to 2 to 4 feet late in the
afternoon subsiding to 1 to 3 feet late in the evening. 
.sunday...light and variable winds becoming southwest 5 to
10 knots by midnight. waves 2 feet or less. 
.monday...north winds 5 to 10 knots. waves 1 to 3 feet. 


$$

fzus63 kdtx 281345
glflh 
expires:202605282145;;789388

open lake forecast for lake huron
national weather service detroit/pontiac mi
945 am edt thu may 28 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...high pressure, 30.30 inches, over lake superior
leading to persistent north-northeast flow over lake huron today.
the high will drift to the southern great lakes thursday night 
into friday, sustaining dry conditions across the region. a 
secondary high pressure system is forecast to expand from hudson 
bay friday to lake huron saturday. this will drive a secondary 
push of gusty northeast winds, likely increasing winds and waves 
in the nearshore areas.


lhz361-362-282145-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
lake huron from presque isle light to sturgeon point mi beyond
5nm off shore-
945 am edt thu may 28 2026

.rest of today...north winds 5 to 15 knots backing to the 
southwest late in the afternoon. waves 1 to 3 feet. 
.tonight...southwest winds 5 to 10 knots. waves 2 feet or less. 
.friday...west winds 10 to 15 knots increasing to 15 to 20 knots
early in the afternoon. waves 1 to 3 feet building to 3 to 5 feet
in the late morning and afternoon. 
.friday night...west winds 10 to 15 knots becoming northeast
15 to 20 knots by midnight...then becoming east 10 to 15 knots
after midnight. waves 3 to 5 feet. 
.saturday...northeast winds 5 to 10 knots becoming light and
variable. waves 2 to 4 feet subsiding to 2 feet or less. 
.sunday...light and variable winds becoming west 5 to 10 knots
until early evening...then increasing to 10 to 15 knots by
midnight. waves 2 feet or less. 
.monday...north winds 10 to 15 knots decreasing to 5 to 10 knots
until early evening...then becoming west 10 to 15 knots by
midnight. waves 1 to 3 feet. 


$$

fzus63 kmkx 281351
glflm 
expires:202605282115;;789595

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
851 am cdt thu may 28 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 30.3 inches will continue to build southward
into the great lakes today. breezy northeasterly winds are 
expected to gradually diminish into the afternoon and evening as 
the high moves overhead. 

high pressure around 30.2 inches will remain in place through the
weekend, with a few additional weak cold fronts bringing brisk 
northeasterly winds friday night into saturday and sunday night in
monday. high pressure generally remains in place through early 
next week, with light and variable winds expected.


lmz261-362-364-366-563-565-567-868-282115-
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-
851 am cdt thu may 28 2026

sheboygan wi to pentwater mi north...

.rest of today...northeast winds 10 to 20 kt becoming northwest
15 to 25 kt. waves 2 to 4 ft. 
.tonight...northwest winds 10 to 20 kt diminishing to 5 to 10 kt
late in the evening, then becoming west after midnight becoming
west 5 to 10 kt late. waves 2 to 4 ft subsiding to 1 ft or less. 
.friday...southwest winds 10 to 15 kt increasing to 10 to 20 kt.
waves 1 to 3 ft. 
.friday night...southeast winds 10 to 20 kt becoming east. waves
1 to 2 ft building to 2 to 4 ft. 
.saturday...east winds 10 to 20 kt becoming northeast. waves 2 to
4 ft. 
.saturday night...northeast winds 10 to 20 kt veering to
southeast 10 to 15 kt. waves 1 to 3 ft. 
.sunday...south winds 5 to 10 kt becoming southwest. waves 1 to
2 ft. 
.monday...northeast winds 10 to 15 kt increasing to 15 to 25 kt.
waves 1 to 2 ft building to 2 to 4 ft.  

$$

fzus63 kmkx 281351
glflm 
expires:202605282115;;789596

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
851 am cdt thu may 28 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 30.3 inches will continue to build southward
into the great lakes today. breezy northeasterly winds are 
expected to gradually diminish into the afternoon and evening as 
the high moves overhead. 

high pressure around 30.2 inches will remain in place through the
weekend, with a few additional weak cold fronts bringing brisk 
northeasterly winds friday night into saturday and sunday night in
monday. high pressure generally remains in place through early 
next week, with light and variable winds expected.


lmz080-669-671-673-675-777-779-870-872-874-876-878-282115-
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 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-
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-
851 am cdt thu may 28 2026

sheboygan wi to pentwater mi south...

.rest of today...northeast winds 10 to 20 kt becoming north 15 to
25 kt. waves 3 to 5 ft subsiding to 2 to 4 ft. 
.tonight...north winds 10 to 20 kt diminishing to 10 to 15 kt
late in the evening, then becoming northeast after midnight
becoming east late. waves 2 to 4 ft subsiding to 1 to 3 ft. 
.friday...south winds less than 10 kt increasing to 10 to 15 kt,
then diminishing to 5 to 10 kt late. waves 1 to 2 ft. 
.friday night...south winds 5 to 10 kt backing to east 15 to
25 kt overnight. waves 1 ft or less building to 2 to 4 ft.
.saturday...east winds 15 to 25 kt becoming northeast 10 to
20 kt. waves 3 to 5 ft. 
.saturday night...northeast winds 10 to 20 kt becoming southeast.
waves 2 to 4 ft. 
.sunday...southeast winds 5 to 10 kt backing to northeast 10 to
15 kt. waves 1 to 3 ft subsiding to 1 to 2 ft. 
.monday...north winds 10 to 15 kt increasing to 15 to 25 kt.
waves 1 to 2 ft building to 2 to 4 ft.  

$$

fzus63 kmqt 281401
glfls 
expires:202605282000;;789797

open lake forecast for lake superior
national weather service marquette mi
1001 am edt thu may 28 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... 

ridging strengthens to 30.3 inches over lake superior today as high 
pressure shifts southward from hudson bay. pressure falls to around 
30.0 inches over the lake on friday as the high weakens to 30.1 
inches over lower michigan. a second high pushing in from hudson bay 
brings 30.3 inch ridging back over the lake on saturday, briefly 
weakening to 30.0 to 30.1 inches again on sunday. high pressure 
persists over lake superior through early next week.



lsz162-282000-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1001 am edt thu may 28 2026 /901 am cdt thu may 28 2026/

.rest of today...east winds 5 to 15 knots backing northeast in
the afternoon. waves calm to 2 feet. 
.tonight...north winds 5 to 15 knots backing west after midnight,
then backing southwest late. waves calm to 2 feet. 
.friday...southwest winds 5 to 15 knots. a slight chance of
showers by mid afternoon. waves calm to 2 feet. 
.friday night...northeast winds 10 to 20 knots increasing to
15 to 25 knots after midnight. waves building to 2 to 4 feet. 
.saturday...northeast winds 15 to 25 knots. waves building to
3 to 5 feet occasionally to 7 feet. 
.saturday night...northeast winds 10 to 20 knots diminishing to
5 to 15 knots after midnight. waves subsiding to calm to 2 feet. 
.sunday...east winds less than 10 knots becoming northeast 5 to
15 knots. waves calm to 2 feet. 
.monday...northeast winds 10 to 20 knots diminishing to 5 to
15 knots. waves building to 1 to 3 feet, then subsiding to calm
to 2 feet. 

$$

fzus63 kmqt 281401
glfls 
expires:202605282000;;789798

open lake forecast for lake superior
national weather service marquette mi
1001 am edt thu may 28 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... 

ridging strengthens to 30.3 inches over lake superior today as high 
pressure shifts southward from hudson bay. pressure falls to around 
30.0 inches over the lake on friday as the high weakens to 30.1 
inches over lower michigan. a second high pushing in from hudson bay 
brings 30.3 inch ridging back over the lake on saturday, briefly 
weakening to 30.0 to 30.1 inches again on sunday. high pressure 
persists over lake superior through early next week.



lsz263-282000-
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-
1001 am edt thu may 28 2026

.rest of today...northeast winds less than 10 knots increasing to
5 to 15 knots in the afternoon. waves calm to 2 feet. 
.tonight...east winds less than 10 knots becoming southwest 5 to
15 knots after midnight. waves calm to 2 feet. 
.friday...southwest winds 5 to 15 knots. a slight chance of
showers and thunderstorms by mid afternoon. waves calm to 2 feet.
.friday night...east winds 10 to 20 knots. waves building to 2 to
4 feet. 
.saturday...east winds 10 to 20 knots becoming northeast 15 to
25 knots by mid afternoon. waves building to 3 to 5 feet
occasionally to 7 feet. 
.saturday night...east winds 10 to 20 knots becoming south 5 to
15 knots after midnight. waves subsiding to calm to 2 feet. 
.sunday...southwest winds less than 10 knots becoming northeast
5 to 15 knots. waves calm to 2 feet. 
.monday...northeast winds 10 to 20 knots diminishing to 5 to
15 knots. waves building to 1 to 3 feet, then subsiding to calm
to 2 feet. 

$$

fzus63 kmqt 281401
glfls 
expires:202605282000;;789799

open lake forecast for lake superior
national weather service marquette mi
1001 am edt thu may 28 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... 

ridging strengthens to 30.3 inches over lake superior today as high 
pressure shifts southward from hudson bay. pressure falls to around 
30.0 inches over the lake on friday as the high weakens to 30.1 
inches over lower michigan. a second high pushing in from hudson bay 
brings 30.3 inch ridging back over the lake on saturday, briefly 
weakening to 30.0 to 30.1 inches again on sunday. high pressure 
persists over lake superior through early next week.



lsz264-282000-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
1001 am edt thu may 28 2026

.rest of today...north winds less than 10 knots becoming south
5 to 15 knots in the afternoon, then diminishing to less than
10 knots late. waves calm to 2 feet. 
.tonight...south winds 5 to 15 knots veering southwest after
midnight. waves calm to 2 feet. 
.friday...west winds 10 to 20 knots backing southwest in the
afternoon, then becoming east 5 to 15 knots late. waves calm to
2 feet. 
.friday night...east winds 5 to 15 knots increasing to 10 to
20 knots after midnight. waves building to 2 to 4 feet. 
.saturday...east winds 10 to 20 knots diminishing to 5 to
15 knots by mid afternoon. waves subsiding to 1 to 3 feet. 
.saturday night...east winds 5 to 15 knots veering south after
midnight. waves subsiding to calm to 2 feet. 
.sunday...southwest winds less than 10 knots becoming northeast
5 to 15 knots. waves calm to 2 feet. 
.monday...northeast winds 5 to 15 knots. waves calm to 2 feet. 

$$

fzus63 kmqt 281401
glfls 
expires:202605282000;;789800

open lake forecast for lake superior
national weather service marquette mi
1001 am edt thu may 28 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... 

ridging strengthens to 30.3 inches over lake superior today as high 
pressure shifts southward from hudson bay. pressure falls to around 
30.0 inches over the lake on friday as the high weakens to 30.1 
inches over lower michigan. a second high pushing in from hudson bay 
brings 30.3 inch ridging back over the lake on saturday, briefly 
weakening to 30.0 to 30.1 inches again on sunday. high pressure 
persists over lake superior through early next week.



lsz265-282000-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
1001 am edt thu may 28 2026

.rest of today...northeast winds 5 to 15 knots veering east in
the afternoon. waves calm to 2 feet. 
.tonight...southeast winds 5 to 15 knots veering south after
midnight, then becoming west 10 to 20 knots late. waves calm to
2 feet. 
.friday...west winds 10 to 20 knots becoming north 5 to 15 knots
late. waves building to 1 to 3 feet, then subsiding to calm to
2 feet. 
.friday night...east winds 5 to 15 knots increasing to 10 to
20 knots after midnight. waves building to 2 to 4 feet. 
.saturday...east winds 15 to 25 knots. waves 2 to 4 feet. 
.saturday night...southeast winds 5 to 15 knots veering south
after midnight. waves subsiding to calm to 2 feet. 
.sunday...southwest winds 5 to 15 knots backing northeast. waves
calm to 2 feet. 
.monday...northeast winds 5 to 15 knots backing north. waves calm
to 2 feet. 

$$

fzus63 kmqt 281401
glfls 
expires:202605282000;;789801

open lake forecast for lake superior
national weather service marquette mi
1001 am edt thu may 28 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... 

ridging strengthens to 30.3 inches over lake superior today as high 
pressure shifts southward from hudson bay. pressure falls to around 
30.0 inches over the lake on friday as the high weakens to 30.1 
inches over lower michigan. a second high pushing in from hudson bay 
brings 30.3 inch ridging back over the lake on saturday, briefly 
weakening to 30.0 to 30.1 inches again on sunday. high pressure 
persists over lake superior through early next week.



lsz266-282000-
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-
1001 am edt thu may 28 2026

.rest of today...north winds less than 10 knots backing west
late. waves calm to 2 feet. 
.tonight...south winds 5 to 15 knots becoming west 10 to 20 knots
late. waves calm to 2 feet. 
.friday...west winds 10 to 20 knots veering northwest in the
afternoon, then becoming north 5 to 15 knots late. waves building
to 1 to 3 feet, then subsiding to calm to 2 feet. 
.friday night...east winds 10 to 20 knots increasing to 15 to
25 knots after midnight. waves building to 2 to 4 feet. 
.saturday...east winds 10 to 20 knots. waves subsiding to 1 to
3 feet. 
.saturday night...southeast winds 10 to 20 knots becoming south
5 to 15 knots after midnight. waves subsiding to calm to 2 feet. 
.sunday...south winds 5 to 15 knots backing northeast. waves calm
to 2 feet. 
.monday...northeast winds 5 to 15 knots backing north. waves calm
to 2 feet. 

$$

fzus63 kmqt 281401
glfls 
expires:202605282000;;789802

open lake forecast for lake superior
national weather service marquette mi
1001 am edt thu may 28 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... 

ridging strengthens to 30.3 inches over lake superior today as high 
pressure shifts southward from hudson bay. pressure falls to around 
30.0 inches over the lake on friday as the high weakens to 30.1 
inches over lower michigan. a second high pushing in from hudson bay 
brings 30.3 inch ridging back over the lake on saturday, briefly 
weakening to 30.0 to 30.1 inches again on sunday. high pressure 
persists over lake superior through early next week.



lsz267-282000-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
1001 am edt thu may 28 2026

.rest of today...north winds 5 to 15 knots backing west late.
waves calm to 2 feet. 
.tonight...west winds less than 10 knots becoming southwest 5 to
15 knots after midnight. waves calm to 2 feet. 
.friday...west winds 5 to 15 knots veering northwest late. waves
calm to 2 feet. 
.friday night...east winds 10 to 20 knots. waves building to 1 to
3 feet. 
.saturday...east winds 5 to 15 knots becoming northeast 10 to
20 knots by mid afternoon. waves subsiding to calm to 2 feet. 
.saturday night...southeast winds 5 to 15 knots veering south
after midnight. waves calm to 2 feet. 
.sunday...northwest winds 5 to 15 knots veering north. waves calm
to 2 feet. 
.monday...north winds 5 to 15 knots. waves calm to 2 feet. 

$$