fzus61 kbuf 291403
glflo 
expires:202605292100;;842816

open lake forecast for lake ontario
national weather service buffalo ny
1003 am edt fri may 29 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 30.2 inch high over the central great lakes will 
settle into the ohio valley today. meanwhile a 29.6 inch low will 
make its way southeastward across quebec today and new england 
tonight, with its trailing cold front crossing the lake between late 
this afternoon and early this evening. a 30.2 inch high will then 
build across the great lakes and ohio valley saturday through 
sunday, with a 29.8 inch low forecast to push south across new 
england sunday night and monday. another 30.3 inch high will then 
build south across the great lakes tuesday.


loz063>065-292100-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1003 am edt fri may 29 2026

.this afternoon...west winds 15 to 20 knots. a chance of showers
late. waves 1 to 3 feet building to 3 to 6 feet. 
.tonight...northwest winds 15 to 20 knots becoming north. a
chance of showers early. waves 3 to 6 feet. 
.saturday...north winds 15 to 20 knots becoming northwest 10 to
15 knots. waves 3 to 5 feet subsiding to 1 to 3 feet. 
.saturday night...northwest winds 10 knots or less becoming west.
waves 1 foot or less. 
.sunday...west winds 10 to 15 knots diminishing to 5 to 10 knots.
waves 1 to 2 feet building to 2 to 4 feet, then subsiding to 1 to
3 feet. 
.monday...northwest winds 5 to 10 knots. waves 2 feet or less. 
.tuesday...north winds 5 to 10 knots. waves 1 foot or less. 

$$

fzus61 kbuf 291403
glflo 
expires:202605292100;;842815

open lake forecast for lake ontario
national weather service buffalo ny
1003 am edt fri may 29 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 30.2 inch high over the central great lakes will 
settle into the ohio valley today. meanwhile a 29.6 inch low will 
make its way southeastward across quebec today and new england 
tonight, with its trailing cold front crossing the lake between late 
this afternoon and early this evening. a 30.2 inch high will then 
build across the great lakes and ohio valley saturday through 
sunday, with a 29.8 inch low forecast to push south across new 
england sunday night and monday. another 30.3 inch high will then 
build south across the great lakes tuesday.


loz062-292100-
lake ontario open waters from the niagara river to hamlin beach-
1003 am edt fri may 29 2026

.this afternoon...southwest winds 10 to 15 knots becoming west
15 to 20 knots. a chance of showers late. waves 1 to 2 feet
building to 3 to 5 feet. 
.tonight...northwest winds 15 to 20 knots becoming north 10 to
15 knots. a chance of showers early. waves 3 to 5 feet subsiding
to 2 to 4 feet. 
.saturday...north winds 5 to 15 knots becoming west less than
10 knots. waves 2 feet or less. 
.saturday night...west winds 10 knots or less. waves 1 foot or
less. 
.sunday...west winds 5 to 15 knots. waves 2 feet or less. 
.monday...north winds 10 knots or less becoming northwest. waves
1 foot or less. 
.tuesday...north winds 5 to 10 knots. waves 2 feet or less. 

$$

fzus61 kcle 291346
glfle 
expires:202605292030;;842508

open lake forecast for lake erie
national weather service cleveland oh
946 am edt fri may 29 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...
a ridge of high pressure averaging 30.10 inches exits 
southeastward before a cold front sweeps generally southward 
across lake erie tonight. behind the front, another ridge 
averaging 30.10 inches builds from the hudson bay area through 
tuesday.


lez164-165-292030-
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-
946 am edt fri may 29 2026

.this afternoon...west winds 10 knots or less becoming southwest.
waves 1 foot or less. 
.tonight...southwest winds 5 to 10 knots becoming northeast and
increasing to 15 to 25 knots after midnight. waves 1 to 3 feet
building to 3 to 5 feet. 
.saturday...northeast winds 15 to 20 knots. waves 3 to 6 feet. 
.saturday night...east winds 15 to 20 knots diminishing to 5 to
15 knots. waves 2 to 4 feet subsiding to 1 to 2 feet. 
.sunday...east winds 10 knots or less becoming west. waves 2 feet
or less. 
.monday...northwest winds 5 to 10 knots becoming north. waves
2 feet or less. 
.tuesday...north winds 5 to 15 knots. waves 1 to 2 feet. 

$$

fzus61 kcle 291346
glfle 
expires:202605292030;;842509

open lake forecast for lake erie
national weather service cleveland oh
946 am edt fri may 29 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...
a ridge of high pressure averaging 30.10 inches exits 
southeastward before a cold front sweeps generally southward 
across lake erie tonight. behind the front, another ridge 
averaging 30.10 inches builds from the hudson bay area through 
tuesday.


lez061-166>169-292030-
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-
946 am edt fri may 29 2026

.this afternoon...west winds 5 to 10 knots becoming southwest and
increasing to 15 to 20 knots. waves 1 foot or less building to
2 to 4 feet. 
.tonight...southwest winds 15 to 25 knots becoming northeast.
waves 2 to 4 feet building to 3 to 5 feet. 
.saturday...northeast winds 15 to 20 knots. waves 3 to 6 feet
subsiding to 2 to 4 feet. 
.saturday night...northeast winds 15 to 20 knots becoming east
5 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...north winds 5 to 10 knots. waves 2 feet or less. 
.tuesday...north winds 5 to 15 knots. waves 2 feet or less. 

$$

fzus61 kcle 291346
glfle 
expires:202605292030;;842507

open lake forecast for lake erie
national weather service cleveland oh
946 am edt fri may 29 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...
a ridge of high pressure averaging 30.10 inches exits 
southeastward before a cold front sweeps generally southward 
across lake erie tonight. behind the front, another ridge 
averaging 30.10 inches builds from the hudson bay area through 
tuesday.


lez162-163-292030-
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-
946 am edt fri may 29 2026

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

$$

fzus63 kdtx 291338
glfsc 
expires:202605292200;;842351

lake st clair forecast
national weather service detroit/pontiac mi
938 am edt fri may 29 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, drifts over the great
lakes today. a cold front then sags across the region this
evening and tonight, veering winds to the northeast. northeast
winds become breezy into early saturday morning.


lcz460-292200-
lake st clair-
938 am edt fri may 29 2026

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

$$

fzus63 kdtx 291338
glflh 
expires:202605292200;;842348

open lake forecast for lake huron
national weather service detroit/pontiac mi
938 am edt fri may 29 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, drifts over the great
lakes today. a cold front then sags across the region this
evening and tonight, veering winds to the northeast. northeast
winds become breezy into early saturday morning.


lhz361-362-292200-
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-
938 am edt fri may 29 2026

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


$$

fzus63 kdtx 291338
glflh 
expires:202605292200;;842349

open lake forecast for lake huron
national weather service detroit/pontiac mi
938 am edt fri may 29 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, drifts over the great
lakes today. a cold front then sags across the region this
evening and tonight, veering winds to the northeast. northeast
winds become breezy into early saturday morning.


lhz363-462>464-292200-
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-
938 am edt fri may 29 2026

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


$$

fzus63 kmkx 291403
glflm 
expires:202605292130;;842832

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
903 am cdt fri may 29 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 dominate the weather pattern
through the weekend into early next week. light and variable winds
are expected, with periods of breezy northeast to easterly 
prevailing winds tonight into saturday, and breezy north-northeasterly
winds monday into monday night as weak cold fronts move southward
through the lake. winds are expected to remain northerly into 
tuesday as low pressure begins to develop in the southern plains.


lmz261-362-364-366-563-565-567-868-292130-
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-
903 am cdt fri may 29 2026

sheboygan wi to pentwater mi north...

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

$$

fzus63 kmkx 291403
glflm 
expires:202605292130;;842833

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
903 am cdt fri may 29 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 dominate the weather pattern
through the weekend into early next week. light and variable winds
are expected, with periods of breezy northeast to easterly 
prevailing winds tonight into saturday, and breezy north-northeasterly
winds monday into monday night as weak cold fronts move southward
through the lake. winds are expected to remain northerly into 
tuesday as low pressure begins to develop in the southern plains.


lmz080-669-671-673-675-777-779-870-872-874-876-878-292130-
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-
903 am cdt fri may 29 2026

sheboygan wi to pentwater mi south...

.rest of today...southeast winds 5 to 10 kt becoming east. waves
1 to 2 ft. 
.tonight...east winds 10 to 15 kt becoming northeast late in the
evening, then becoming east to 30 kt late. waves 1 to 2 ft 
building to 2 to 4 ft.
.saturday...east winds to 30 kt diminishing to 10 to 20 kt late
in the morning, then becoming northeast early in the afternoon. 
waves 3 to 5 ft subsiding to 2 to 4 ft. 
.saturday night...northeast winds 10 to 20 kt becoming southeast.
waves 2 to 4 ft. 
.sunday...southeast winds 10 to 15 kt becoming northeast. waves
2 to 4 ft subsiding to 1 to 2 ft. 
.sunday night...northeast winds 10 to 15 kt becoming northwest.
waves 1 ft or less. 
.monday...north winds 10 to 15 kt increasing to 15 to 25 kt.
waves 1 to 2 ft building to 2 to 4 ft. 
.tuesday...northeast winds 10 to 15 kt becoming north 15 to
25 kt. waves 1 to 3 ft.  

$$

fzus63 kmqt 291401
glfls 
expires:202605292000;;842744

open lake forecast for lake superior
national weather service marquette mi
1001 am edt fri may 29 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 high pressure is centered over lower mi and ohio this 
morning, with another high pressure over hudson bay. this second 
high pressure reaches the upper great lakes tomorrow at 30.3 inches 
and remains over the area into sunday. the high weakens to around 
30.0 inches by late sunday as another 30.3 inch high approaches the 
area from hudson bay, which builds over the great lakes monday into 
tuesday.



lsz266-292000-
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 fri may 29 2026

.rest of today...west winds 5 to 15 knots veering north late.
waves calm to 2 feet. 
.tonight...east winds 10 to 20 knots increasing to 15 to 25 knots
after midnight, then diminishing to 10 to 20 knots late. waves
building to 2 to 4 feet. 
.saturday...east winds 10 to 20 knots diminishing to 5 to
15 knots late. 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 5 to 15 knots veering west by mid
afternoon. waves calm to 2 feet. 
.sunday night...north winds 5 to 15 knots veering northeast after
midnight. waves calm to 2 feet. 
.monday...northeast winds 5 to 15 knots backing north. waves calm
to 2 feet. 
.tuesday...east winds 5 to 15 knots veering south. waves calm to
2 feet. 

$$

fzus63 kmqt 291401
glfls 
expires:202605292000;;842745

open lake forecast for lake superior
national weather service marquette mi
1001 am edt fri may 29 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 high pressure is centered over lower mi and ohio this 
morning, with another high pressure over hudson bay. this second 
high pressure reaches the upper great lakes tomorrow at 30.3 inches 
and remains over the area into sunday. the high weakens to around 
30.0 inches by late sunday as another 30.3 inch high approaches the 
area from hudson bay, which builds over the great lakes monday into 
tuesday.



lsz267-292000-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
1001 am edt fri may 29 2026

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

$$

fzus63 kmqt 291401
glfls 
expires:202605292000;;842741

open lake forecast for lake superior
national weather service marquette mi
1001 am edt fri may 29 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 high pressure is centered over lower mi and ohio this 
morning, with another high pressure over hudson bay. this second 
high pressure reaches the upper great lakes tomorrow at 30.3 inches 
and remains over the area into sunday. the high weakens to around 
30.0 inches by late sunday as another 30.3 inch high approaches the 
area from hudson bay, which builds over the great lakes monday into 
tuesday.



lsz263-292000-
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 fri may 29 2026

.rest of today...southwest winds 5 to 15 knots backing south
late. waves calm to 2 feet. 
.tonight...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 becoming northeast 15 to
25 knots late. 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. waves calm to
2 feet. 
.sunday night...southwest winds less than 10 knots becoming
northeast 10 to 20 knots after midnight. waves calm to 2 feet. 
.monday...northeast winds 10 to 20 knots becoming east 5 to
15 knots. waves building to 2 to 4 feet, then subsiding to calm
to 2 feet. 
.tuesday...east winds 5 to 15 knots. waves calm to 2 feet. 

$$

fzus63 kmqt 291401
glfls 
expires:202605292000;;842742

open lake forecast for lake superior
national weather service marquette mi
1001 am edt fri may 29 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 high pressure is centered over lower mi and ohio this 
morning, with another high pressure over hudson bay. this second 
high pressure reaches the upper great lakes tomorrow at 30.3 inches 
and remains over the area into sunday. the high weakens to around 
30.0 inches by late sunday as another 30.3 inch high approaches the 
area from hudson bay, which builds over the great lakes monday into 
tuesday.



lsz264-292000-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
1001 am edt fri may 29 2026

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

$$

fzus63 kmqt 291401
glfls 
expires:202605292000;;842740

open lake forecast for lake superior
national weather service marquette mi
1001 am edt fri may 29 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 high pressure is centered over lower mi and ohio this 
morning, with another high pressure over hudson bay. this second 
high pressure reaches the upper great lakes tomorrow at 30.3 inches 
and remains over the area into sunday. the high weakens to around 
30.0 inches by late sunday as another 30.3 inch high approaches the 
area from hudson bay, which builds over the great lakes monday into 
tuesday.



lsz162-292000-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1001 am edt fri may 29 2026 /901 am cdt fri may 29 2026/

.rest of today...southwest winds 5 to 15 knots backing east late.
waves calm to 2 feet. 
.tonight...northeast winds 5 to 15 knots increasing to 15 to
25 knots. waves building to 3 to 5 feet occasionally to 7 feet. 
.saturday...northeast winds 15 to 25 knots. waves building to
3 to 6 feet occasionally to 8 feet. 
.saturday night...northeast winds 15 to 25 knots diminishing to
5 to 15 knots after midnight. waves subsiding to calm to 2 feet. 
.sunday...northeast winds 5 to 15 knots veering southwest by mid
afternoon. waves calm to 2 feet. 
.sunday night...west winds 5 to 15 knots becoming northeast 10 to
20 knots after midnight. waves calm to 2 feet. 
.monday...northeast winds 15 to 25 knots diminishing to 10 to
20 knots. waves building to 2 to 4 feet, then subsiding to calm
to 2 feet. 
.tuesday...northeast winds 5 to 15 knots. waves calm to 2 feet. 

$$

fzus63 kmqt 291401
glfls 
expires:202605292000;;842743

open lake forecast for lake superior
national weather service marquette mi
1001 am edt fri may 29 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 high pressure is centered over lower mi and ohio this 
morning, with another high pressure over hudson bay. this second 
high pressure reaches the upper great lakes tomorrow at 30.3 inches 
and remains over the area into sunday. the high weakens to around 
30.0 inches by late sunday as another 30.3 inch high approaches the 
area from hudson bay, which builds over the great lakes monday into 
tuesday.



lsz265-292000-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
1001 am edt fri may 29 2026

.rest of today...west winds 5 to 15 knots increasing to 10 to
20 knots in the afternoon, then becoming east 5 to 15 knots late.
waves calm to 2 feet. 
.tonight...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 southeast by mid
afternoon. waves calm to 2 feet. 
.sunday night...south winds 5 to 15 knots backing northeast after
midnight. waves calm to 2 feet. 
.monday...northeast winds 5 to 15 knots backing north. waves calm
to 2 feet. 
.tuesday...east winds 5 to 15 knots veering south. waves calm to
2 feet. 

$$