fzus63 kdtx 040201
glflh 
expires:202607041015;;370794

open lake forecast for lake huron
national weather service detroit/pontiac mi
1001 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...a weak cold front will move through today, stalling
out across southern michigan. this will shift wind direction to
the northeast. scattered to numerous showers with some embedded
thunderstorms will also be likely for the remainder of the
weekend, the strongest of which could produce isolated gusts aoa
34 knots.


lhz361-041015-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
1001 pm edt fri jul 3 2026

.rest of tonight...northwest winds 5 to 10 knots. 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. 
.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 040201
glflh 
expires:202607041015;;370796

open lake forecast for lake huron
national weather service detroit/pontiac mi
1001 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...a weak cold front will move through today, stalling
out across southern michigan. this will shift wind direction to
the northeast. scattered to numerous showers with some embedded
thunderstorms will also be likely for the remainder of the
weekend, the strongest of which could produce isolated gusts aoa
34 knots.


lhz462>464-041015-
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-
1001 pm edt fri jul 3 2026

.rest of tonight...south winds 5 to 10 knots this evening
becoming light and variable. a chance of showers. 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 kdtx 040201
glflh 
expires:202607041015;;370795

open lake forecast for lake huron
national weather service detroit/pontiac mi
1001 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...a weak cold front will move through today, stalling
out across southern michigan. this will shift wind direction to
the northeast. scattered to numerous showers with some embedded
thunderstorms will also be likely for the remainder of the
weekend, the strongest of which could produce isolated gusts aoa
34 knots.


lhz362-363-041015-
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-
1001 pm edt fri jul 3 2026

.rest of tonight...light and variable winds becoming northwest
5 to 10 knots early in the morning. a chance of showers this
evening. 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
2 to 4 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. 
.monday...northeast winds 5 to 10 knots. waves 1 to 3 feet. 
.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 kmkx 040247
glflm 
expires:202607040915;;372523

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
947 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. shower and thunderstorm chances will end
sunday night with quieter weather for the start of next week.


lmz080-669-671-673-675-777-779-870-872-874-876-878-040915-
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-
947 pm cdt fri jul 3 2026

sheboygan wi to pentwater mi south...

.rest of tonight...southwest winds 10 to 15 kt diminishing to
5 to 10 kt. patchy dense fog. chance of showers and
thunderstorms. waves 1 to 2 ft. 
.saturday...west winds 5 to 10 kt veering to northeast 10 to
15 kt late in the morning, then becoming north 10 to 20 kt in the
afternoon. patchy dense fog. 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. patchy dense fog overnight. waves 1 to 2 ft. 
.sunday...west winds 10 to 20 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 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 040247
glflm 
expires:202607040915;;372522

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
947 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. shower and thunderstorm chances will end
sunday night with quieter weather for the start of next week.


lmz261-362-364-366-563-565-567-868-040915-
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-
947 pm cdt fri jul 3 2026

sheboygan wi to pentwater mi north...

.rest of tonight...southwest winds 5 to 10 kt veering to north.
patchy fog late this evening, then areas of dense fog overnight.
slight chance of showers and thunderstorms. waves 1 to 2 ft. 
.saturday...northeast winds 10 to 15 kt increasing to 10 to
20 kt. areas of dense fog in the morning, then patchy dense fog
in the afternoon. slight chance of showers and thunderstorms.
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 3 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 040201
glfls 
expires:202607040800;;370779

open lake forecast for lake superior
national weather service marquette mi
1000 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-
1000 pm edt fri jul 3 2026

.rest of tonight...west winds 5 to 15 knots veering north after
midnight, then veering northeast late. 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. a slight chance of
showers through 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...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 040201
glfls 
expires:202607040800;;370780

open lake forecast for lake superior
national weather service marquette mi
1000 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-
1000 pm edt fri jul 3 2026

.rest of tonight...west 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. a slight chance of showers. 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 040201
glfls 
expires:202607040800;;370777

open lake forecast for lake superior
national weather service marquette mi
1000 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-
1000 pm edt fri jul 3 2026

.rest of tonight...north winds less than 10 knots 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 040201
glfls 
expires:202607040800;;370776

open lake forecast for lake superior
national weather service marquette mi
1000 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-
1000 pm edt fri jul 3 2026

.rest of tonight...northeast winds 5 to 15 knots. patchy fog by
midnight. 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 040201
glfls 
expires:202607040800;;370775

open lake forecast for lake superior
national weather service marquette mi
1000 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-
1000 pm edt fri jul 3 2026 /900 pm cdt fri jul 3 2026/

.rest of tonight...northeast winds 10 to 20 knots diminishing to
5 to 15 knots after 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. 
.sunday night...northeast winds 5 to 15 knots becoming north less
than 10 knots after midnight. waves subsiding to 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 040201
glfls 
expires:202607040800;;370778

open lake forecast for lake superior
national weather service marquette mi
1000 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-
1000 pm edt fri jul 3 2026

.rest of tonight...northeast 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. 

$$