fzus61 kbuf 300203
glflo 
expires:202605300900;;869496

open lake forecast for lake ontario
national weather service buffalo ny
1002 pm 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 29.6 inch low will make its way southeastward across 
new england tonight. a 30.2 inch high will build across the great 
lakes and ohio valley this weekend, 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.


loz062-300900-
lake ontario open waters from the niagara river to hamlin beach-
1002 pm edt fri may 29 2026

.overnight...north winds 15 to 20 knots diminishing to
10 to 15 knots. waves 3 to 5 feet subsiding to 2 to 3 feet. 
.saturday...north winds 10 to 15 knots becoming west less than
10 knots. waves 1 to 3 feet subsiding to 1 foot or less. 
.saturday night...west winds 10 knots or less. waves 1 foot or
less. 
.sunday...west winds 5 to 15 knots. waves 1 to 2 feet. 
.sunday night...west winds 5 to 15 knots becoming northwest.
waves 2 feet or less. 
.monday...north winds less than 10 knots becoming northwest.
waves 1 foot or less. 
.tuesday...northwest winds 10 knots or less. waves 2 feet or
less. 
.wednesday...west winds 10 knots or less. waves 1 foot or less. 

$$

fzus61 kbuf 300203
glflo 
expires:202605300900;;869497

open lake forecast for lake ontario
national weather service buffalo ny
1002 pm 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 29.6 inch low will make its way southeastward across 
new england tonight. a 30.2 inch high will build across the great 
lakes and ohio valley this weekend, 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>065-300900-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 pm edt fri may 29 2026

.overnight...north winds 15 to 25 knots. waves 4 to 7 feet
subsiding to 3 to 6 feet. waves occasionally around 9 feet. 
.saturday...north winds 15 to 25 knots diminishing to 10 to
15 knots. waves 3 to 6 feet subsiding to 1 to 3 feet. 
.saturday night...northwest winds 10 knots or less becoming west.
waves 2 feet or less. 
.sunday...west winds 5 to 15 knots increasing to 15 to 20 knots.
waves 1 to 3 feet building to 2 to 4 feet. 
.sunday night...west winds 15 to 20 knots becoming northwest 5 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.monday...north winds 10 knots or less becoming northwest. waves
2 feet or less. 
.tuesday...northwest winds 10 knots or less. waves 2 feet or
less. 
.wednesday...northwest winds 10 knots or less becoming west.
waves 1 foot or less. 

$$

fzus61 kcle 300129
glfle 
expires:202605300815;;868841

open lake forecast for lake erie
national weather service cleveland oh
929 pm 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 high pressure ridge averaging 30.10 inches exits generally
southward before a cold front sweeps generally southward across 
lake erie during the first few predawn hours of saturday morning.
behind the front, another ridge averaging 30.10 inches affects
lake erie as the embedded high pressure center moves from the
hudson bay area toward the central appalachians.


lez162-163-300815-
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-
929 pm edt fri may 29 2026

.overnight...northwest winds around 10 knots becoming
northeast and increasing to 15 to 25 knots. waves
1 foot or less building to 3 to 5 feet. 
.saturday...northeast winds 15 to 25 knots becoming east. waves
3 to 6 feet subsiding to 2 to 4 feet. 
.saturday night...east winds 5 to 15 knots. waves 1 to 3 feet. 
.sunday...east winds 5 to 10 knots. waves 2 feet or less. 
.sunday night...east winds less than 10 knots becoming west.
waves 1 foot or less. 
.monday...northwest winds 10 knots or less becoming northeast.
waves 2 feet or less. 
.tuesday...north winds 5 to 10 knots. waves 2 feet or less. 
.wednesday...north winds 10 knots or less becoming south. waves
1 foot or less. 

$$

fzus61 kcle 300129
glfle 
expires:202605300815;;868842

open lake forecast for lake erie
national weather service cleveland oh
929 pm 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 high pressure ridge averaging 30.10 inches exits generally
southward before a cold front sweeps generally southward across 
lake erie during the first few predawn hours of saturday morning.
behind the front, another ridge averaging 30.10 inches affects
lake erie as the embedded high pressure center moves from the
hudson bay area toward the central appalachians.


lez164-165-300815-
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-
929 pm edt fri may 29 2026

.overnight...west winds 10 to 15 knots becoming northeast
and increasing to 15 to 25 knots. waves 1 foot or less building
to 4 to 6 feet. 
.saturday...northeast winds 15 to 25 knots. waves 3 to 6 feet. 
.saturday night...east winds 5 to 15 knots. waves 2 to 4 feet
subsiding to 1 to 2 feet. 
.sunday...east winds 10 knots or less becoming northeast. waves
2 feet or less. 
.sunday night...northeast winds less than 10 knots. waves 1 foot
or less. 
.monday...northwest winds 10 knots or less becoming northeast.
waves 1 foot or less. 
.tuesday...north winds 5 to 10 knots. waves 1 to 2 feet. 
.wednesday...north winds 10 knots or less becoming south. waves
1 foot or less. 

$$

fzus61 kcle 300129
glfle 
expires:202605300815;;868843

open lake forecast for lake erie
national weather service cleveland oh
929 pm 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 high pressure ridge averaging 30.10 inches exits generally
southward before a cold front sweeps generally southward across 
lake erie during the first few predawn hours of saturday morning.
behind the front, another ridge averaging 30.10 inches affects
lake erie as the embedded high pressure center moves from the
hudson bay area toward the central appalachians.


lez061-166>169-300815-
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-
929 pm edt fri may 29 2026

.overnight...northwest winds 15 to 25 knots becoming
northeast. waves 2 to 4 feet building to 3 to 6 feet. 
.saturday...northeast winds 15 to 20 knots. waves 3 to 6 feet. 
.saturday night...northeast winds 5 to 15 knots becoming
southeast. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.sunday...south winds 10 knots or less becoming northwest. waves
1 foot or less. 
.sunday night...west winds 10 knots or less. waves 1 foot or
less. 
.monday...north winds 10 knots or less. waves 1 foot or less. 
.tuesday...north winds 5 to 10 knots. waves 2 feet or less. 
.wednesday...north winds 10 knots or less becoming southwest.
waves 1 foot or less. 

$$

fzus63 kdtx 300103
glflh 
expires:202605300915;;867886

open lake forecast for lake huron
national weather service detroit/pontiac mi
903 pm 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...breezy northeast winds develop tonight as a cold front
drops across the eastern great lakes. high pressure, 30.30
inches, then returns for the weekend into early next week
supporting an extended stretch of dry weather.


lhz361-362-300915-
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-
903 pm edt fri may 29 2026

.rest of tonight...northeast winds 15 to 20 knots 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 5 to 10 knots in
the late morning and early afternoon...then backing to the
southeast early in the afternoon. waves 2 feet or less. 
.sunday night...west winds 10 to 15 knots becoming northwest 5 to
10 knots after midnight. waves 2 to 4 feet. 
.monday...north winds 5 to 10 knots veering to the northeast late
in the morning...then becoming light and variable late in the
afternoon becoming northwest 5 to 10 knots late in the evening.
waves 1 to 3 feet. 
.tuesday...north winds 5 to 10 knots backing to the southwest
early in the evening...then veering to the west by midnight.
waves 1 to 3 feet. 
.wednesday...west winds 5 to 10 knots backing to the south by
midnight. waves 2 feet or less. 


$$

fzus63 kdtx 300103
glflh 
expires:202605300915;;867887

open lake forecast for lake huron
national weather service detroit/pontiac mi
903 pm 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...breezy northeast winds develop tonight as a cold front
drops across the eastern great lakes. high pressure, 30.30
inches, then returns for the weekend into early next week
supporting an extended stretch of dry weather.


lhz363-462>464-300915-
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-
903 pm edt fri may 29 2026

.rest of tonight...northeast winds 15 to 20 knots decreasing to
10 to 15 knots early in the morning. waves 4 to 6 feet. waves
occasionally around 8 feet. 
.saturday...northeast winds 10 to 15 knots decreasing to 5 to
10 knots late in the morning...then becoming northeast 5 to
10 knots early in the afternoon decreasing to 5 to 10 knots late
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. waves 2 feet or less. 
.sunday night...light and variable winds becoming northwest 5 to
10 knots after midnight. waves 2 feet or less. 
.monday...north winds 5 to 10 knots. waves 1 to 3 feet building
to 2 to 4 feet late in the afternoon. 
.tuesday...north winds 5 to 10 knots becoming light and variable.
waves 1 to 3 feet. 
.wednesday...west winds 5 to 10 knots veering to the northeast
early in the evening...then veering to the southeast by midnight.
waves 2 feet or less. 


$$

fzus63 kdtx 300103
glfsc 
expires:202605300915;;867915

lake st clair forecast
national weather service detroit/pontiac mi
903 pm 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...breezy northeast winds develop tonight as a cold front
drops across the eastern great lakes. high pressure, 30.30
inches, then returns for the weekend into early next week
supporting an extended stretch of dry weather.


lcz460-300915-
lake st clair-
903 pm edt fri may 29 2026

.rest of tonight...north winds 10 to 15 knots 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
early in the afternoon. sunny. waves 2 feet or less.
.sunday night...southeast winds 5 to 10 knots early in the evening
becoming light and variable. clear. waves 2 feet or less.
.monday...light and variable winds becoming northeast 10 to 15 knots
in the afternoon and evening. clear. waves 2 feet or less.
.tuesday...northeast winds 10 to 15 knots. clear. waves 2 feet or
less.
.wednesday...southeast winds 5 to 10 knots. clear. waves 2 feet or
less.

$$

fzus63 kmkx 300216
glflm 
expires:202605300930;;870463

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
916 pm 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...

no major changes to the going synopsis.

high pressure around 30.0 inches over the upper great lakes will
strengthen to 30.2 inches by saturday night dominate the 
weather pattern into early next week. breezy northeast to 
easterly prevailing winds will develop in the wake of a cold
front overnight through saturday, and again monday into monday 
night. winds will gradually become southerly on wednesday as the
high begins to exit and low pressure develops in the southern 
plains.


lmz080-669-671-673-675-777-779-870-872-874-876-878-300930-
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-
916 pm cdt fri may 29 2026

sheboygan wi to pentwater mi south...

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

$$

fzus63 kmkx 300216
glflm 
expires:202605300930;;870462

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
916 pm 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...

no major changes to the going synopsis.

high pressure around 30.0 inches over the upper great lakes will
strengthen to 30.2 inches by saturday night dominate the 
weather pattern into early next week. breezy northeast to 
easterly prevailing winds will develop in the wake of a cold
front overnight through saturday, and again monday into monday 
night. winds will gradually become southerly on wednesday as the
high begins to exit and low pressure develops in the southern 
plains.


lmz261-362-364-366-563-565-567-868-300930-
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-
916 pm cdt fri may 29 2026

sheboygan wi to pentwater mi north...

.rest of tonight...north winds 10 to 20 kt veering to east 15 to
25 kt. waves 1 to 2 ft building to 2 to 4 ft. 
.saturday...east winds 10 to 20 kt becoming northeast. waves 1 to
3 ft. 
.saturday night...northeast winds 10 to 20 kt veering to south
10 to 15 kt. waves 1 to 3 ft. 
.sunday...south winds 10 to 15 kt becoming southwest 10 to 20 kt.
waves 1 to 2 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
in the afternoon. waves 1 ft or less building to 1 to 3 ft. 
.monday night...northeast winds 15 to 25 kt diminishing to 10 to
15 kt. waves 2 to 4 ft. 
.tuesday...northeast winds 10 to 15 kt becoming north 10 to
20 kt. waves 1 to 2 ft. 
.wednesday...south winds 5 to 10 kt increasing to 10 to 15 kt.
waves 1 to 2 ft.  

$$

fzus63 kmqt 300201
glfls 
expires:202605300800;;869464

open lake forecast for lake superior
national weather service marquette mi
1001 pm 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... 

a 30.4 inch high pressure over hudson bay dives south towards the 
upper great lakes through saturday, arriving at 30.3 inches. the 
high remains over the area into sunday while progressively weakening 
with time, eventually becoming around 30.0 inches by late sunday as 
another 30.4 inch high approaches the area from hudson bay. this 
second high builds over the great lakes monday before arriving by 
tuesday. the high remains over the great lakes into wednesday 
morning. 




lsz265-300800-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
1001 pm edt fri may 29 2026

.rest of tonight...southeast winds 5 to 15 knots becoming east
15 to 25 knots after midnight. waves calm to 2 feet building to
3 to 5 feet occasionally to 7 feet. 
.saturday...east winds 15 to 25 knots. waves subsiding to 2 to
4 feet, then building to 3 to 5 feet occasionally to 7 feet. 
.saturday night...southeast winds 10 to 20 knots diminishing to
5 to 15 knots after midnight, then veering south late. waves
subsiding to calm to 2 feet. 
.sunday...southwest winds 5 to 15 knots backing east by mid
afternoon. waves calm to 2 feet. 
.sunday night...southeast winds 5 to 15 knots backing northeast
after midnight. waves calm to 2 feet. 
.monday...east winds 5 to 15 knots. waves calm to 2 feet. 
.monday night...east winds 5 to 15 knots veering southeast after
midnight. waves calm to 2 feet. 
.tuesday...east winds 5 to 15 knots veering southwest. waves calm
to 2 feet. 
.wednesday...southeast winds 10 to 20 knots veering southwest. a
chance of showers. waves building to 1 to 3 feet, then subsiding
to calm to 2 feet. 

$$

fzus63 kmqt 300201
glfls 
expires:202605300800;;869462

open lake forecast for lake superior
national weather service marquette mi
1001 pm 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... 

a 30.4 inch high pressure over hudson bay dives south towards the 
upper great lakes through saturday, arriving at 30.3 inches. the 
high remains over the area into sunday while progressively weakening 
with time, eventually becoming around 30.0 inches by late sunday as 
another 30.4 inch high approaches the area from hudson bay. this 
second high builds over the great lakes monday before arriving by 
tuesday. the high remains over the great lakes into wednesday 
morning. 




lsz263-300800-
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 pm edt fri may 29 2026

.rest of tonight...east winds 10 to 20 knots increasing to 15 to
25 knots after midnight. waves calm to 2 feet building to 2 to
4 feet. 
.saturday...east winds 10 to 20 knots increasing to 15 to
25 knots in the afternoon, then becoming northeast 20 to 30 knots
late. waves building to 3 to 6 feet occasionally to 8 feet. 
.saturday night...east winds 15 to 25 knots diminishing to 5 to
15 knots after midnight, then veering south late. waves subsiding
to calm to 2 feet. 
.sunday...southwest winds less than 10 knots increasing to 5 to
15 knots by mid afternoon. waves calm to 2 feet. 
.sunday night...southwest winds less than 10 knots becoming
northeast 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. 
.monday night...east winds 5 to 15 knots. waves subsiding to calm
to 2 feet. 
.tuesday...east winds 5 to 15 knots veering southwest. waves calm
to 2 feet. 
.wednesday...southwest winds 5 to 15 knots. a chance of showers.
waves calm to 2 feet. 

$$

fzus63 kmqt 300201
glfls 
expires:202605300800;;869463

open lake forecast for lake superior
national weather service marquette mi
1001 pm 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... 

a 30.4 inch high pressure over hudson bay dives south towards the 
upper great lakes through saturday, arriving at 30.3 inches. the 
high remains over the area into sunday while progressively weakening 
with time, eventually becoming around 30.0 inches by late sunday as 
another 30.4 inch high approaches the area from hudson bay. this 
second high builds over the great lakes monday before arriving by 
tuesday. the high remains over the great lakes into wednesday 
morning. 




lsz264-300800-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
1001 pm edt fri may 29 2026

.rest of tonight...east winds 5 to 15 knots increasing to 15 to
25 knots after midnight. waves calm to 2 feet building to 3 to
5 feet occasionally to 7 feet. 
.saturday...east winds 10 to 20 knots. waves subsiding to 1 to
3 feet. 
.saturday night...east winds 5 to 15 knots becoming south less
than 10 knots late. 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 backing east
after midnight. waves calm to 2 feet. 
.monday...east winds 5 to 15 knots. waves calm to 2 feet. 
.monday night...east winds 5 to 15 knots. waves calm to 2 feet. 
.tuesday...east winds 5 to 15 knots veering south. waves calm to
2 feet. 
.wednesday...southwest winds 5 to 15 knots. a chance of showers.
waves calm to 2 feet. 

$$

fzus63 kmqt 300201
glfls 
expires:202605300800;;869465

open lake forecast for lake superior
national weather service marquette mi
1001 pm 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... 

a 30.4 inch high pressure over hudson bay dives south towards the 
upper great lakes through saturday, arriving at 30.3 inches. the 
high remains over the area into sunday while progressively weakening 
with time, eventually becoming around 30.0 inches by late sunday as 
another 30.4 inch high approaches the area from hudson bay. this 
second high builds over the great lakes monday before arriving by 
tuesday. the high remains over the great lakes into wednesday 
morning. 




lsz266-300800-
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 pm edt fri may 29 2026

.rest of tonight...east winds 15 to 25 knots. waves 1 to 3 feet
building to 3 to 5 feet occasionally to 7 feet, then subsiding 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 late.
waves subsiding to calm to 2 feet. 
.sunday...south winds 5 to 15 knots becoming west less than
10 knots 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...east winds 5 to 15 knots backing northeast by mid
afternoon. waves calm to 2 feet. 
.monday night...northeast winds 5 to 15 knots veering east after
midnight. waves calm to 2 feet. 
.tuesday...east winds 5 to 15 knots veering south. waves calm to
2 feet. 
.wednesday...south winds 5 to 15 knots increasing to 10 to
20 knots. waves building to 2 to 4 feet. 

$$

fzus63 kmqt 300201
glfls 
expires:202605300800;;869466

open lake forecast for lake superior
national weather service marquette mi
1001 pm 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... 

a 30.4 inch high pressure over hudson bay dives south towards the 
upper great lakes through saturday, arriving at 30.3 inches. the 
high remains over the area into sunday while progressively weakening 
with time, eventually becoming around 30.0 inches by late sunday as 
another 30.4 inch high approaches the area from hudson bay. this 
second high builds over the great lakes monday before arriving by 
tuesday. the high remains over the great lakes into wednesday 
morning. 




lsz267-300800-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
1001 pm edt fri may 29 2026

.rest of tonight...east winds 15 to 25 knots diminishing to 10 to
20 knots late. waves 1 to 3 feet building to 2 to 4 feet, then
subsiding to 1 to 3 feet. 
.saturday...east winds 5 to 15 knots backing northeast in the
afternoon. waves subsiding to calm to 2 feet. 
.saturday night...northeast winds 5 to 15 knots veering southeast
after midnight, then veering south late. 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 north after
midnight. waves calm to 2 feet. 
.monday...northeast winds 5 to 15 knots becoming north 10 to
20 knots by mid afternoon. waves calm to 2 feet. 
.monday night...north winds 10 to 20 knots becoming northeast
5 to 15 knots after midnight. waves calm to 2 feet. 
.tuesday...north winds 5 to 15 knots veering south. waves calm to
2 feet. 
.wednesday...southeast winds 5 to 15 knots becoming south 10 to
20 knots. waves building to 2 to 4 feet, then subsiding to 1 to
3 feet. 

$$

fzus63 kmqt 300201
glfls 
expires:202605300800;;869461

open lake forecast for lake superior
national weather service marquette mi
1001 pm 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... 

a 30.4 inch high pressure over hudson bay dives south towards the 
upper great lakes through saturday, arriving at 30.3 inches. the 
high remains over the area into sunday while progressively weakening 
with time, eventually becoming around 30.0 inches by late sunday as 
another 30.4 inch high approaches the area from hudson bay. this 
second high builds over the great lakes monday before arriving by 
tuesday. the high remains over the great lakes into wednesday 
morning. 




lsz162-300800-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1001 pm edt fri may 29 2026 /901 pm cdt fri may 29 2026/

.rest of tonight...east winds 15 to 25 knots becoming northeast
20 to 30 knots after midnight, then increasing to 30 knots with a
few gale force gusts to 35 knots possible late. waves calm to
2 feet building to 3 to 6 feet occasionally to 8 feet. 
.saturday...northeast winds 20 to 30 knots. waves building to
4 to 7 feet occasionally to 9 feet. 
.saturday night...northeast winds 20 to 30 knots diminishing to
5 to 15 knots. waves subsiding to calm to 2 feet. 
.sunday...northeast winds 5 to 15 knots. waves calm to 2 feet. 
.sunday night...southwest winds 5 to 15 knots backing northeast
after midnight. waves calm to 2 feet. 
.monday...northeast winds 10 to 20 knots. waves building to 1 to
3 feet. 
.monday night...northeast winds 5 to 15 knots. waves subsiding to
calm to 2 feet. 
.tuesday...northeast winds 5 to 15 knots. waves calm to 2 feet. 
.wednesday...southwest winds 5 to 15 knots. a chance of showers
and thunderstorms. waves calm to 2 feet. 

$$