fzus61 kbuf 250751
glflo 
expires:202404251500;;335517

open lake forecast for lake ontario
national weather service buffalo ny
351 am edt thu apr 25 2024

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 large 30.4 inch canadian high centered north of
georgian bay will settle across the lower great lakes today, then
will slowly drift east across new england on friday. a warm front
will lift northeast across the lake on saturday...then a 29.6 
inch low will then move from the central plains sunday to lake
superior by monday evening.


loz063>065-251500-
lake ontario open waters from hamlin beach to the saint lawrence
river-
351 am edt thu apr 25 2024

.today...northeast winds 5 to 15 knots becoming northwest. waves
1 to 3 feet subsiding to 1 foot or less. 
.tonight...southwest winds 10 knots or less becoming east. waves
1 foot or less. 
.friday...southeast winds 5 to 10 knots becoming northeast and
increasing to 10 to 20 knots. waves 1 to 3 feet. 
.friday night...northeast winds 10 to 15 knots becoming
southeast. waves 1 to 3 feet. 
.saturday...southeast winds 15 to 20 knots becoming south.
showers likely. waves 1 to 3 feet building to 2 to 4 feet, then
subsiding to 1 to 3 feet. 
.sunday...south winds 15 to 20 knots diminishing to 5 to
15 knots. showers likely during the day, then a chance of showers
sunday night. waves 1 to 3 feet subsiding to 1 foot or less. 
.monday...southeast winds 10 knots or less becoming south 10 to
15 knots. a chance of showers monday night. waves 2 feet or less.

$$

fzus61 kbuf 250751
glflo 
expires:202404251500;;335516

open lake forecast for lake ontario
national weather service buffalo ny
351 am edt thu apr 25 2024

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 large 30.4 inch canadian high centered north of
georgian bay will settle across the lower great lakes today, then
will slowly drift east across new england on friday. a warm front
will lift northeast across the lake on saturday...then a 29.6 
inch low will then move from the central plains sunday to lake
superior by monday evening.


loz062-251500-
lake ontario open waters from the niagara river to hamlin beach-
351 am edt thu apr 25 2024

.today...east winds 5 to 15 knots. waves 1 to 3 feet. 
.tonight...southeast winds 10 knots or less becoming east. waves
1 foot or less. 
.friday...east winds 5 to 15 knots increasing to 15 to 20 knots.
waves 1 foot or less building to 3 to 5 feet. 
.friday night...east winds 15 to 20 knots becoming southeast
10 to 15 knots. waves 3 to 5 feet subsiding to 1 to 3 feet. 
.saturday...southeast winds 5 to 15 knots becoming south. showers
likely. waves 2 feet or less. 
.sunday...southwest winds 5 to 15 knots. a chance of showers.
waves 1 to 3 feet. 
.monday...south winds 5 to 10 knots becoming southwest. a chance
of showers. waves 2 feet or less. 

$$

fzus61 kcle 250758
glfle 
expires:202404251415;;335646

open lake forecast for lake erie
national weather service cleveland oh
358 am edt thu apr 25 2024

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 30.40 inches will persist over the northeast 
through friday afternoon. a warm front will lift across lake erie 
early saturday. broad southwest flow will develop this weekend 
between low pressure 29.60 inches over the plains and high 
pressure 30.40 inches off the east coast. the low pressure is 
expected to track into the upper great lakes on monday and push a 
cold front across lake erie monday night or early tuesday.


lez165>167-251415-
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-
358 am edt thu apr 25 2024

.today...east winds 5 to 15 knots becoming northeast 15 to
20 knots. waves 1 to 2 feet building to 2 to 4 feet. 
.tonight...northeast winds 15 to 20 knots becoming east 10 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.friday...east winds 10 to 15 knots increasing to 15 to 20 knots.
waves 1 to 3 feet building to 3 to 5 feet. 
.friday night...east winds 15 to 25 knots becoming southeast.
showers overnight. waves 3 to 5 feet. 
.saturday...south winds 15 to 25 knots. showers likely during the
day, then a chance of showers saturday night. waves 3 to 6 feet
subsiding to 3 to 5 feet. 
.sunday...southwest winds 15 to 20 knots becoming south 10 to
15 knots. a chance of showers during the day. waves 3 to 5 feet
subsiding to 1 to 2 feet. 
.monday...south winds 10 to 15 knots becoming southwest. a chance
of showers during the day, then showers likely with a chance of
thunderstorms monday night. waves 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 250758
glfle 
expires:202404251415;;335647

open lake forecast for lake erie
national weather service cleveland oh
358 am edt thu apr 25 2024

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 30.40 inches will persist over the northeast 
through friday afternoon. a warm front will lift across lake erie 
early saturday. broad southwest flow will develop this weekend 
between low pressure 29.60 inches over the plains and high 
pressure 30.40 inches off the east coast. the low pressure is 
expected to track into the upper great lakes on monday and push a 
cold front across lake erie monday night or early tuesday.


lez061-168-169-251415-
ripley to buffalo ny extending from 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-
358 am edt thu apr 25 2024

.today...east winds 5 to 15 knots becoming northeast. waves 1 to
3 feet. 
.tonight...northeast winds 10 to 15 knots becoming east. waves
1 to 3 feet. 
.friday...east winds 10 to 15 knots becoming northeast 15 to
20 knots. waves 1 to 3 feet building to 2 to 4 feet. 
.friday night...east winds 15 to 20 knots becoming southeast.
showers overnight. waves 2 to 4 feet. 
.saturday...south winds 15 to 25 knots. showers during the day,
then a chance of showers and thunderstorms saturday night. waves
3 to 5 feet subsiding to 2 to 4 feet. 
.sunday...southwest winds 15 to 20 knots becoming south 5 to
15 knots. a chance of showers during the day. waves 2 to 4 feet
subsiding to 1 to 3 feet. 
.monday...south winds 5 to 15 knots becoming southwest. a chance
of showers during the day, then showers likely with a chance of
thunderstorms monday night. waves 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 250758
glfle 
expires:202404251415;;335645

open lake forecast for lake erie
national weather service cleveland oh
358 am edt thu apr 25 2024

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 30.40 inches will persist over the northeast 
through friday afternoon. a warm front will lift across lake erie 
early saturday. broad southwest flow will develop this weekend 
between low pressure 29.60 inches over the plains and high 
pressure 30.40 inches off the east coast. the low pressure is 
expected to track into the upper great lakes on monday and push a 
cold front across lake erie monday night or early tuesday.


lez162>164-251415-
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-
358 am edt thu apr 25 2024

.today...north winds 5 to 15 knots becoming east. waves 1 foot or
less building to 1 to 3 feet. 
.tonight...east winds 10 to 15 knots. waves 1 to 3 feet. 
.friday...east winds 10 to 15 knots increasing to 15 to 20 knots.
waves 1 to 3 feet building to 2 to 4 feet. 
.friday night...east winds 15 to 20 knots becoming southeast. a
chance of showers in the evening, then showers overnight. waves
3 to 5 feet subsiding to 2 to 4 feet. 
.saturday...south winds 15 to 25 knots becoming southwest. a
chance of showers during the day. waves 3 to 5 feet subsiding to
2 to 4 feet. 
.sunday...southwest winds 15 to 20 knots becoming south 10 to
15 knots. waves 1 to 3 feet. 
.monday...south winds 10 to 15 knots becoming southwest. showers
likely during the day, then showers likely with a chance of
thunderstorms monday night. waves 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 250750
glfsc 
expires:202404251600;;335515

lake st clair forecast
national weather service detroit/pontiac mi
350 am edt thu apr 25 2024

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, 30.40 inches, will hold over the great
lakes through tomorrow morning. low pressure, 29.30 inches, then
moves from the texas panhandle into the western portion of the
midwest through friday. this will strengthen the pressure
gradient across the great lakes, bringing breezy southeast to
southerly flow.


lcz460-251600-
lake st clair-
350 am edt thu apr 25 2024

.today...northeast winds 5 to 10 knots veering to the southeast in
the afternoon. sunny. waves 2 feet or less.
.tonight...east winds 5 to 10 knots increasing to 10 to 15 knots
early in the morning. clear. waves 2 feet or less.
.friday...east winds 10 to 15 knots. sunny. waves 2 feet or less.
.friday night...southeast winds 15 to 20 knots increasing to 20 to
25 knots after midnight. a chance of light showers in the
evening...then light showers after midnight. waves 1 to 3 feet.
.saturday...south winds 20 to 25 knots diminishing to 15 to 20 knots
in the evening. mostly cloudy becoming partly cloudy. waves 2 to 4
feet subsiding to 1 to 3 feet in the evening.
.sunday...south winds 15 to 20 knots. mostly cloudy. a chance of
light showers. waves 1 to 3 feet.
.monday...southwest winds 15 to 20 knots. mostly cloudy. light
showers likely and a chance of thunderstorms. waves 1 to 3 feet.

$$

fzus63 kdtx 250750
glflh 
expires:202404251600;;335512

open lake forecast for lake huron
national weather service detroit/pontiac mi
350 am edt thu apr 25 2024

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, 30.40 inches, will hold over the great
lakes through tomorrow morning. low pressure, 29.30 inches, then
moves from the texas panhandle into the western portion of the
midwest through friday. this will strengthen the pressure
gradient across the great lakes, bringing breezy southeast to
southerly flow.


lhz361-362-251600-
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-
350 am edt thu apr 25 2024

.today...light and variable winds becoming east 5 to 10 knots in
the late morning and afternoon. waves 2 feet or less. 
.tonight...east winds 5 to 10 knots. waves 1 to 3 feet. 
.friday...southeast winds 5 to 10 knots increasing to 10 to
15 knots in the late morning and afternoon. waves 1 to 3 feet
building to 4 to 6 feet early in the afternoon. waves
occasionally around 8 feet. 
.friday night...east winds 15 to 20 knots becoming southeast
20 to 25 knots with gusts to around 30 knots after midnight.
showers after midnight. waves 5 to 7 feet. waves occasionally
around 10 feet. 
.saturday...southeast winds 20 to 25 knots with gusts to 35 knot
gales becoming south 10 to 15 knots. showers in the morning. a
chance of showers. a chance of thunderstorms late in the
afternoon. waves 8 to 12 feet. waves occasionally around 15 feet.
.sunday...southwest winds 10 to 15 knots decreasing to 5 to
10 knots in the late morning and early afternoon...then becoming
east 10 to 15 knots until early morning. a chance of showers
early in the morning. rain showers likely. a chance of
thunderstorms until early morning. waves 3 to 5 feet subsiding to
1 to 3 feet early in the evening...then building to 2 to 4 feet
in the late evening and early morning. 
.monday...southeast winds 10 to 15 knots veering to the south in
the late evening and early morning. showers early in the morning.
rain showers likely in the late morning and early afternoon...
then a chance of showers until early morning. waves 3 to 5 feet. 


$$

fzus63 kdtx 250750
glflh 
expires:202404251600;;335513

open lake forecast for lake huron
national weather service detroit/pontiac mi
350 am edt thu apr 25 2024

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, 30.40 inches, will hold over the great
lakes through tomorrow morning. low pressure, 29.30 inches, then
moves from the texas panhandle into the western portion of the
midwest through friday. this will strengthen the pressure
gradient across the great lakes, bringing breezy southeast to
southerly flow.


lhz363-462>464-251600-
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-
350 am edt thu apr 25 2024

.today...east winds 5 to 10 knots backing to the north late in
the afternoon. waves 2 feet or less. 
.tonight...northeast winds 5 to 10 knots veering to the southeast
early in the morning. waves 2 feet or less. 
.friday...southeast winds 5 to 10 knots becoming east 10 to
15 knots in the late morning and afternoon. waves 1 to 3 feet. 
.friday night...east winds 10 to 15 knots becoming southeast
20 to 25 knots with gusts to 35 knot gales. showers after
midnight. waves 3 to 5 feet building to 6 to 9 feet after
midnight. waves occasionally around 12 feet. 
.saturday...south winds 20 to 25 knots with gusts to 35 knot
gales decreasing to 15 to 20 knots late in the afternoon. showers
in the morning. a chance of showers. a chance of thunderstorms
late in the afternoon. waves 8 to 12 feet subsiding to 5 to
7 feet late in the evening. waves occasionally around 15 feet. 
.sunday...south winds 10 to 15 knots becoming east 5 to 10 knots
early in the evening...then becoming southeast 10 to 15 knots in
the late evening and early morning. a chance of showers early in
the morning. rain showers likely. a chance of thunderstorms until
early morning. waves 3 to 5 feet subsiding to 1 to 3 feet until
early morning. 
.monday...south winds 10 to 15 knots. showers likely...then a
chance of showers in the late evening and early morning. waves
2 to 4 feet. 


$$

fzus63 kmkx 250804
glflm 
expires:202404251530;;336263

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
304 am cdt thu apr 25 2024

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...

light winds generally from the southeast will prevail over lake 
michigan today, as high pressure around 30.1 inches gradually
shifts to the east of the region. southeast winds will begin to
increase tonight.

low pressure of 29.2 inches will develop across the central 
plains on friday and move northeast into lake superior on 
saturday. southeast winds will continue to strengthen friday into 
friday night, becoming south on saturday. some gales are possible 
at times friday night into saturday. showers and thunderstorms 
are expected at times across the region late friday into saturday 
night.

another low pressure system around 29.5 inches will move northeast
across the great lakes region sunday into monday, which will 
again bring gusty south winds across lake michigan. showers and 
thunderstorms are expected at times once again during this period.


lmz080-669-671-673-675-777-779-870-872-874-876-878-251530-
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-
304 am cdt thu apr 25 2024

sheboygan wi to pentwater mi south...

.today...southeast winds 5 to 10 kt becoming northeast. waves
1 to 3 ft. 
.tonight...northeast winds 10 to 15 kt becoming east late in the
evening, then becoming southeast 10 to 20 kt after midnight
increasing to 15 to 25 kt late. waves 1 to 3 ft building to 2 to
4 ft. 
.friday...southeast winds 15 to 25 kt. chance of rain showers in
the afternoon. waves 4 to 6 ft occasionally to 8 ft subsiding to
3 to 5 ft. 
.friday night...southeast winds to 30 kt becoming south. showers
with a chance of thunderstorms. waves 6 to 9 ft occasionally to
12 ft. 
.saturday...south winds to 30 kt. chance of showers and 
thunderstorms. waves 7 to 10 ft occasionally to 13 ft. 
.saturday night...south winds to 30 kt. showers and thunderstorms
likely. waves 7 to 10 ft occasionally to 13 ft. 
.sunday...south winds to 30 kt. showers with a chance of
thunderstorms. waves 4 to 6 ft occasionally to 8 ft subsiding to
3 to 5 ft. 
.monday...south winds to 30 kt becoming southwest 15 to 25 kt.
showers likely. waves 4 to 6 ft occasionally to 8 ft.  

$$

fzus63 kmkx 250804
glflm 
expires:202404251530;;336262

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
304 am cdt thu apr 25 2024

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...

light winds generally from the southeast will prevail over lake 
michigan today, as high pressure around 30.1 inches gradually
shifts to the east of the region. southeast winds will begin to
increase tonight.

low pressure of 29.2 inches will develop across the central 
plains on friday and move northeast into lake superior on 
saturday. southeast winds will continue to strengthen friday into 
friday night, becoming south on saturday. some gales are possible 
at times friday night into saturday. showers and thunderstorms 
are expected at times across the region late friday into saturday 
night.

another low pressure system around 29.5 inches will move northeast
across the great lakes region sunday into monday, which will 
again bring gusty south winds across lake michigan. showers and 
thunderstorms are expected at times once again during this period.


lmz261-362-364-366-563-565-567-868-251530-
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-
304 am cdt thu apr 25 2024

sheboygan wi to pentwater mi north...

.today...south winds 5 to 10 kt. waves 1 to 2 ft. 
.tonight...east winds 10 to 15 kt becoming southeast 10 to 20 kt
after midnight, then increasing to 15 to 25 kt late. waves 1 to
2 ft building to 2 to 4 ft. 
.friday...southeast winds 15 to 25 kt diminishing to 10 to 20 kt.
waves 3 to 5 ft. 
.friday night...southeast winds to 30 kt. showers. waves 6 to
9 ft occasionally to 12 ft. 
.saturday...south winds to 30 kt. showers likely in the morning,
then chance of showers in the afternoon. waves 7 to 10 ft
occasionally to 13 ft. 
.saturday night...south winds to 30 kt becoming southwest. rain
showers likely with a chance of thunderstorms. waves 7 to 10 ft
occasionally to 13 ft. 
.sunday...northeast winds 15 to 25 kt becoming east. rain
showers. waves 4 to 6 ft occasionally to 8 ft subsiding to 3 to
5 ft. 
.monday...south winds to 30 kt. showers likely. waves 4 to 6 ft
occasionally to 8 ft.  

$$

fzus63 kmqt 250757
glfls 
expires:202404251600;;335637

open lake forecast for lake superior
national weather service marquette mi
357 am edt thu apr 25 2024

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...broad high pressure of 30.4 inches centered north of 
georgian bay encompasses the great lakes region early this morning. 
by evening, 30.4 ridging will extend across central and southern 
quebec back into the great lakes region. during tonight and friday, 
the ridge, at 30.5 inches, will shift to new england and the 
maritime provinces while low pressure of 29.2 inches lifts from 
eastern colorado into nebraska. this low will continue to track 
northeast, weakening to 29.6 inches by the time it reaches
northeast lake superior on saturday evening. on sunday, 30.4 inch
high pressure will build over far northern ontario as a 29.6 inch
low pressure lifts northeast across the central plains. this low 
will continue to track northeast, crossing lake superior during 
monday. in its wake, a 30.0 inch ridge will shift east across the 
mississippi valley during monday night. 


lsz162-251600-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
357 am edt thu apr 25 2024 /257 am cdt thu apr 25 2024/

.early this morning...northeast winds 5 to 15 knots. waves calm
to 2 feet. 
.today...east winds 5 to 15 knots increasing to 10 to 20 knots
late. waves building to 2 to 4 feet. 
.tonight...east winds 10 to 20 knots veering south after
midnight, then backing southeast late. waves subsiding to 1 to
3 feet. 
.friday...southeast winds 10 to 20 knots becoming east 15 to
25 knots in the afternoon. a chance of rain showers by mid
afternoon. waves subsiding to calm to 2 feet, then building to
1 to 3 feet. 
.friday night...east winds 15 to 25 knots. rain showers and a
chance of thunderstorms. waves building to 2 to 4 feet. 
.saturday...northeast winds 15 to 25 knots backing north by mid
afternoon. rain showers. waves subsiding to 1 to 3 feet. 
.saturday night...north winds 15 to 25 knots becoming northeast
20 to 30 knots after midnight. a chance of rain showers. waves
building to 3 to 6 feet occasionally to 8 feet. 
.sunday...northeast winds 20 to 30 knots. a few gale force gusts
to 35 knots possible. rain showers. waves building to 6 to 9 feet
occasionally to 11 feet, then subsiding to 4 to 7 feet 
occasionally to 9 feet.
.monday...northeast winds 15 to 25 knots becoming west 10 to
20 knots. rain showers likely. waves subsiding to calm to 2 feet.

$$

fzus63 kmqt 250757
glfls 
expires:202404251600;;335638

open lake forecast for lake superior
national weather service marquette mi
357 am edt thu apr 25 2024

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...broad high pressure of 30.4 inches centered north of 
georgian bay encompasses the great lakes region early this morning. 
by evening, 30.4 ridging will extend across central and southern 
quebec back into the great lakes region. during tonight and friday, 
the ridge, at 30.5 inches, will shift to new england and the 
maritime provinces while low pressure of 29.2 inches lifts from 
eastern colorado into nebraska. this low will continue to track 
northeast, weakening to 29.6 inches by the time it reaches
northeast lake superior on saturday evening. on sunday, 30.4 inch
high pressure will build over far northern ontario as a 29.6 inch
low pressure lifts northeast across the central plains. this low 
will continue to track northeast, crossing lake superior during 
monday. in its wake, a 30.0 inch ridge will shift east across the 
mississippi valley during monday night. 


lsz263-251600-
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-
357 am edt thu apr 25 2024

.early this morning...south winds 5 to 15 knots. waves calm to
2 feet. 
.today...southeast winds 5 to 15 knots backing east in the
afternoon. waves calm to 2 feet. 
.tonight...southeast winds 10 to 20 knots becoming south 15 to
25 knots after midnight, then diminishing to 10 to 20 knots late.
waves building to 2 to 4 feet, then subsiding to 1 to 3 feet. 
.friday...southeast winds 10 to 20 knots increasing to 20 to
30 knots. a slight chance of rain showers by mid afternoon. waves
building to 3 to 6 feet occasionally to 8 feet. 
.friday night...east winds 20 to 30 knots diminishing to 15 to
25 knots after midnight. a chance of rain showers through
midnight. a slight chance of thunderstorms. rain showers after
midnight. waves subsiding to 2 to 4 feet, then building to 3 to
5 feet occasionally to 7 feet. 
.saturday...east winds 10 to 20 knots becoming north 15 to
25 knots by mid afternoon. rain showers. waves subsiding to 2 to
4 feet. 
.saturday night...north winds to 30 knots with a few gale force
gusts to 35 knots possible. a chance of rain showers. waves 
building to 7 to 10 feet occasionally to 13 feet. 
.sunday...northeast winds to 30 knots with a few gale force gusts to
35 knots possible diminishing to 20 to 30 knots. rain showers. 
waves subsiding to 4 to 7 feet occasionally to 9 feet. 
.monday...northeast winds 15 to 25 knots becoming west 10 to
20 knots. rain showers likely. waves subsiding to 1 to 3 feet. 

$$

fzus63 kmqt 250757
glfls 
expires:202404251600;;335639

open lake forecast for lake superior
national weather service marquette mi
357 am edt thu apr 25 2024

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...broad high pressure of 30.4 inches centered north of 
georgian bay encompasses the great lakes region early this morning. 
by evening, 30.4 ridging will extend across central and southern 
quebec back into the great lakes region. during tonight and friday, 
the ridge, at 30.5 inches, will shift to new england and the 
maritime provinces while low pressure of 29.2 inches lifts from 
eastern colorado into nebraska. this low will continue to track 
northeast, weakening to 29.6 inches by the time it reaches
northeast lake superior on saturday evening. on sunday, 30.4 inch
high pressure will build over far northern ontario as a 29.6 inch
low pressure lifts northeast across the central plains. this low 
will continue to track northeast, crossing lake superior during 
monday. in its wake, a 30.0 inch ridge will shift east across the 
mississippi valley during monday night. 


lsz264-251600-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
357 am edt thu apr 25 2024

.early this morning...south winds 5 to 15 knots. waves calm to
2 feet. 
.today...south winds 5 to 15 knots backing southeast in the
afternoon. waves building to 1 to 3 feet. 
.tonight...southeast winds 15 to 25 knots veering south after
midnight, then diminishing to 10 to 20 knots late. waves building
to 2 to 4 feet. 
.friday...southeast winds 15 to 25 knots increasing to 20 to
30 knots in the afternoon. waves building to 3 to 5 feet
occasionally to 7 feet, then subsiding to 2 to 4 feet. 
.friday night...southeast winds 30 knots. a chance of rain 
showers through midnight, then rain showers after midnight. waves 
3 to 6 feet occasionally to 8 feet. 
.saturday...southeast winds 15 to 25 knots backing northeast by
mid afternoon. rain showers. waves subsiding to 2 to 4 feet. 
.saturday night...north winds to 30 knots with a few gale force
gusts to 35 knots possible. a chance of rain showers. waves 
building to 7 to 10 feet occasionally to 13 feet. 
.sunday...northeast winds to 30 knots becoming east 20 to 30 
knots. a chance of rain showers, then rain showers. waves 
subsiding to 3 to 6 feet occasionally to 8 feet, then building to 
4 to 7 feet occasionally to 9 feet. 
.monday...east winds 15 to 25 knots veering west. rain showers
likely. waves subsiding to 1 to 3 feet. 

$$

fzus63 kmqt 250757
glfls 
expires:202404251600;;335640

open lake forecast for lake superior
national weather service marquette mi
357 am edt thu apr 25 2024

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...broad high pressure of 30.4 inches centered north of 
georgian bay encompasses the great lakes region early this morning. 
by evening, 30.4 ridging will extend across central and southern 
quebec back into the great lakes region. during tonight and friday, 
the ridge, at 30.5 inches, will shift to new england and the 
maritime provinces while low pressure of 29.2 inches lifts from 
eastern colorado into nebraska. this low will continue to track 
northeast, weakening to 29.6 inches by the time it reaches
northeast lake superior on saturday evening. on sunday, 30.4 inch
high pressure will build over far northern ontario as a 29.6 inch
low pressure lifts northeast across the central plains. this low 
will continue to track northeast, crossing lake superior during 
monday. in its wake, a 30.0 inch ridge will shift east across the 
mississippi valley during monday night. 


lsz265-251600-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
357 am edt thu apr 25 2024

.early this morning...south winds 5 to 15 knots. waves calm to
2 feet. 
.today...southeast winds 5 to 15 knots increasing to 10 to
20 knots in the afternoon, then backing east late. waves building
to 1 to 3 feet. 
.tonight...southeast winds 10 to 20 knots becoming south 5 to
15 knots after midnight, then increasing to 10 to 20 knots late.
waves building to 2 to 4 feet, then subsiding to 1 to 3 feet. 
.friday...southeast winds 10 to 20 knots increasing to 15 to
25 knots in the afternoon. waves building to 3 to 5 feet
occasionally to 7 feet, then subsiding to 2 to 4 feet. 
.friday night...southeast winds 15 to 25 knots. rain showers. a
slight chance of thunderstorms after midnight. waves building to
3 to 5 feet occasionally to 7 feet, then subsiding to 2 to
4 feet. 
.saturday...southeast winds 15 to 25 knots veering south by mid
afternoon. showers and a chance of thunderstorms. waves subsiding
to 1 to 3 feet. 
.saturday night...west winds 15 to 25 knots becoming north 20 to
30 knots after midnight. a chance of thunderstorms through
midnight. a chance of rain showers. waves subsiding to calm to
2 feet, then building to 4 to 7 feet occasionally to 9 feet. 
.sunday...northeast winds 20 to 30 knots veering east. rain
showers. waves subsiding to 3 to 6 feet occasionally to 8 feet,
then building to 4 to 7 feet occasionally to 9 feet. 
.monday...southeast winds 15 to 25 knots veering west. rain
showers likely, then a chance of rain showers. waves subsiding to
calm to 2 feet. 

$$

fzus63 kmqt 250757
glfls 
expires:202404251600;;335641

open lake forecast for lake superior
national weather service marquette mi
357 am edt thu apr 25 2024

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...broad high pressure of 30.4 inches centered north of 
georgian bay encompasses the great lakes region early this morning. 
by evening, 30.4 ridging will extend across central and southern 
quebec back into the great lakes region. during tonight and friday, 
the ridge, at 30.5 inches, will shift to new england and the 
maritime provinces while low pressure of 29.2 inches lifts from 
eastern colorado into nebraska. this low will continue to track 
northeast, weakening to 29.6 inches by the time it reaches
northeast lake superior on saturday evening. on sunday, 30.4 inch
high pressure will build over far northern ontario as a 29.6 inch
low pressure lifts northeast across the central plains. this low 
will continue to track northeast, crossing lake superior during 
monday. in its wake, a 30.0 inch ridge will shift east across the 
mississippi valley during monday night. 


lsz266-251600-
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-
357 am edt thu apr 25 2024

.early this morning...south winds 5 to 15 knots. waves calm to
2 feet. 
.today...south winds 5 to 15 knots backing southeast in the
afternoon, then increasing to 10 to 20 knots late. waves building
to 1 to 3 feet. 
.tonight...southeast winds 10 to 20 knots veering south after
midnight. waves building to 3 to 5 feet occasionally to 7 feet. 
.friday...southeast winds 15 to 25 knots. waves subsiding to 2 to
4 feet, then building to 3 to 6 feet occasionally to 8 feet. 
.friday night...southeast winds to 30 knots diminishing to 20 to 
30 knots after midnight. a chance of rain showers through 
midnight, then rain showers and a slight chance of thunderstorms 
after midnight. waves 3 to 6 feet occasionally to 8 feet. 
.saturday...southeast winds 20 to 30 knots becoming south 15 to
25 knots by mid afternoon. rain showers. waves subsiding to 2 to
4 feet. 
.saturday night...west winds 20 to 30 knots veering north after
midnight. a chance of showers and thunderstorms. waves building
to 5 to 8 feet occasionally to 10 feet. 
.sunday...northeast winds 20 to 30 knots veering east. rain
showers. waves subsiding to 3 to 6 feet occasionally to 8 feet,
then building to 4 to 7 feet occasionally to 9 feet. 
.monday...southeast winds 20 to 30 knots becoming west 15 to
25 knots. rain showers likely, then a chance of rain showers.
waves subsiding to 2 to 4 feet. 

$$

fzus63 kmqt 250757
glfls 
expires:202404251600;;335642

open lake forecast for lake superior
national weather service marquette mi
357 am edt thu apr 25 2024

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...broad high pressure of 30.4 inches centered north of 
georgian bay encompasses the great lakes region early this morning. 
by evening, 30.4 ridging will extend across central and southern 
quebec back into the great lakes region. during tonight and friday, 
the ridge, at 30.5 inches, will shift to new england and the 
maritime provinces while low pressure of 29.2 inches lifts from 
eastern colorado into nebraska. this low will continue to track 
northeast, weakening to 29.6 inches by the time it reaches
northeast lake superior on saturday evening. on sunday, 30.4 inch
high pressure will build over far northern ontario as a 29.6 inch
low pressure lifts northeast across the central plains. this low 
will continue to track northeast, crossing lake superior during 
monday. in its wake, a 30.0 inch ridge will shift east across the 
mississippi valley during monday night. 


lsz267-251600-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
357 am edt thu apr 25 2024

.early this morning...south winds 5 to 15 knots. waves calm to
2 feet. 
.today...south winds 5 to 15 knots becoming southeast 10 to
20 knots in the afternoon, then backing east late. waves calm to
2 feet. 
.tonight...south winds 10 to 20 knots backing southeast after
midnight, then increasing to 15 to 25 knots late. waves building
to 2 to 4 feet. 
.friday...southeast winds 15 to 25 knots increasing to 20 to
30 knots late. waves building to 3 to 6 feet occasionally to
8 feet. 
.friday night...southeast winds 20 to 30 knots. a chance of rain
showers through midnight, then rain showers after midnight. waves
3 to 6 feet occasionally to 8 feet. 
.saturday...southeast winds 20 to 30 knots veering south by mid
afternoon. rain showers. waves building to 4 to 7 feet
occasionally to 9 feet, then subsiding to 3 to 5 feet
occasionally to 7 feet. 
.saturday night...southwest winds 20 to 30 knots becoming west
15 to 25 knots after midnight. rain showers likely through
midnight. a chance of thunderstorms. waves subsiding to 2 to
4 feet. 
.sunday...northeast winds 15 to 25 knots becoming east 20 to
30 knots. rain showers. waves building to 3 to 5 feet
occasionally to 7 feet. 
.monday...southeast winds 20 to 30 knots becoming west 15 to
25 knots. rain showers, then a chance of rain showers. waves
subsiding to 1 to 3 feet. 

$$