fzus61 kbuf 101402
glflo 
expires:202605102100;;328712

open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt sun may 10 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 29.4 inch area of low pressure over western quebec 
this morning will move to northern quebec early monday. a 30.4 inch 
high will then build from the upper great lakes monday to the lower 
great lakes by tuesday. a 29.8 inch low will move across the great 
lakes wednesday, passing near or just to the north of the lake 
wednesday evening. a 30.1 inch area of high pressure will advance 
from the western great lakes region wednesday night to cresting 
over the lake thursday night and early friday.


loz062-102100-
lake ontario open waters from the niagara river to hamlin beach-
1002 am edt sun may 10 2026

.this afternoon...west winds 10 to 15 knots. waves 1 to 2 feet. 
.tonight...west winds 5 to 10 knots becoming northwest. waves
1 to 2 feet. 
.monday...northwest winds 5 to 10 knots becoming west. waves
2 feet or less. 
.monday night...west winds 5 to 10 knots becoming northwest.
waves 2 feet or less. 
.tuesday...west winds 10 knots or less becoming southeast and
increasing to 15 to 20 knots. rain showers tuesday night. waves
1 foot or less building to 1 to 3 feet. 
.wednesday...south winds 15 to 20 knots becoming west 10 to
15 knots. showers. waves 1 to 3 feet. 
.thursday...northwest winds 5 to 10 knots. a chance of showers
during the day. waves 1 to 2 feet. 

$$

fzus61 kbuf 101402
glflo 
expires:202605102100;;328713

open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt sun may 10 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 29.4 inch area of low pressure over western quebec 
this morning will move to northern quebec early monday. a 30.4 inch 
high will then build from the upper great lakes monday to the lower 
great lakes by tuesday. a 29.8 inch low will move across the great 
lakes wednesday, passing near or just to the north of the lake 
wednesday evening. a 30.1 inch area of high pressure will advance 
from the western great lakes region wednesday night to cresting 
over the lake thursday night and early friday.


loz063>065-102100-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 am edt sun may 10 2026

.this afternoon...west winds 10 to 15 knots increasing to 15 to
20 knots. waves 2 to 4 feet. 
.tonight...west winds 15 to 20 knots becoming northwest 5 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.monday...west winds 5 to 15 knots. waves 1 to 3 feet. 
.monday night...west winds 5 to 15 knots becoming northwest.
waves 1 to 3 feet. 
.tuesday...northwest winds 5 to 10 knots becoming southeast and
increasing to 15 to 20 knots. rain showers tuesday night. waves
2 feet or less. 
.wednesday...southeast winds 15 to 20 knots becoming southwest
10 to 15 knots. showers. waves 2 to 4 feet subsiding to 1 to
3 feet. 
.thursday...west winds 5 to 15 knots becoming northwest. a chance
of showers. waves 2 feet or less. 

$$

fzus61 kcle 101407
glfle 
expires:202605102015;;328948

open lake forecast for lake erie
national weather service cleveland oh
1007 am edt sun may 10 2026

for waters beyond five nautical miles of shore on lake erie

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...
high pressure 30.20 inches will gradually build southeast across 
the upper midwest into the great lakes today and persist through 
monday night. low pressure 29.90 inches will move east through 
the lower great lakes late tuesday into wednesday, followed by
high pressure 30.10 inches on thursday.


lez162>164-102015-
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-
1007 am edt sun may 10 2026

.this afternoon...north winds 10 knots or less becoming south.
waves 1 foot or less. 
.tonight...southwest winds 5 to 10 knots becoming north. waves
2 feet or less. 
.monday...north winds 5 to 10 knots becoming east. waves 2 feet
or less. 
.monday night...east winds 5 to 10 knots becoming southeast.
waves 1 foot or less. 
.tuesday...south winds 5 to 10 knots becoming southwest and
increasing to 15 to 25 knots. showers tuesday night. waves 1 foot
or less building to 2 to 4 feet. 
.wednesday...west winds 15 to 20 knots becoming northwest. waves
2 to 4 feet subsiding to 1 to 3 feet. 
.thursday...northwest winds 15 to 20 knots becoming south and
diminishing to 5 to 10 knots. waves 1 to 3 feet subsiding to
1 foot or less. 

$$

fzus61 kcle 101407
glfle 
expires:202605102015;;328949

open lake forecast for lake erie
national weather service cleveland oh
1007 am edt sun may 10 2026

for waters beyond five nautical miles of shore on lake erie

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...
high pressure 30.20 inches will gradually build southeast across 
the upper midwest into the great lakes today and persist through 
monday night. low pressure 29.90 inches will move east through 
the lower great lakes late tuesday into wednesday, followed by
high pressure 30.10 inches on thursday.


lez165>167-102015-
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-
1007 am edt sun may 10 2026

.this afternoon...north winds 10 knots or less becoming southwest.
waves 1 foot or less. 
.tonight...south winds 5 to 10 knots becoming north. waves 2 feet
or less. 
.monday...north winds 5 to 10 knots. waves 1 to 2 feet. 
.monday night...north winds 10 knots or less becoming east. waves
1 foot or less. 
.tuesday...southeast winds 5 to 10 knots becoming south and
increasing to 15 to 20 knots. showers tuesday night. waves 1 foot
or less building to 3 to 5 feet. 
.wednesday...southwest winds 15 to 20 knots becoming northwest
10 to 15 knots. a chance of showers. waves 3 to 5 feet subsiding
to 2 to 4 feet. 
.thursday...northwest winds 5 to 15 knots becoming west less than
10 knots. waves 1 to 3 feet subsiding to 1 foot or less. 

$$

fzus61 kcle 101407
glfle 
expires:202605102015;;328950

open lake forecast for lake erie
national weather service cleveland oh
1007 am edt sun may 10 2026

for waters beyond five nautical miles of shore on lake erie

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...
high pressure 30.20 inches will gradually build southeast across 
the upper midwest into the great lakes today and persist through 
monday night. low pressure 29.90 inches will move east through 
the lower great lakes late tuesday into wednesday, followed by
high pressure 30.10 inches on thursday.


lez061-168-169-102015-
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-
1007 am edt sun may 10 2026

.this afternoon...west winds 10 knots or less becoming southwest.
waves 2 feet or less. 
.tonight...southwest winds 10 knots or less becoming northwest.
waves 1 foot or less. 
.monday...north winds 5 to 10 knots becoming west. waves 1 foot
or less. 
.monday night...west winds 10 knots or less becoming northeast.
waves 2 feet or less. 
.tuesday...light and variable winds becoming south 15 to
20 knots. rain showers tuesday night. waves 1 foot or less
building to 2 to 4 feet. 
.wednesday...southwest winds 15 to 20 knots becoming northwest
10 to 15 knots. showers likely with a chance of thunderstorms
during the day, then a chance of showers wednesday night. waves
2 to 4 feet subsiding to 1 to 3 feet. 
.thursday...northwest winds 5 to 15 knots becoming west less than
10 knots. waves 1 to 3 feet subsiding to 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 101353
glfsc 
expires:202605102200;;328383

lake st clair forecast
national weather service detroit/pontiac mi
953 am edt sun may 10 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, builds into the midwest
today and then into lower michigan monday. this leads to
decreasing wind field across the central great lakes through
tuesday. the next low pressure system moves in late tuesday
bringing stronger wind and the next pattern of showers and
thunderstorms.


lcz460-102200-
lake st clair-
953 am edt sun may 10 2026

.rest of today...northwest winds 5 to 10 knots becoming west 10 to
15 knots late in the afternoon. sunny in the late morning and early
afternoon becoming partly sunny. waves 2 feet or less.
.tonight...west winds 10 to 15 knots becoming north 5 to 10 knots in
the late evening and overnight. mostly cloudy early in the evening
then clearing. waves 2 feet or less.
.monday...north winds 5 to 10 knots. sunny. waves 2 feet or less.
.monday night...northeast winds 10 to 15 knots becoming east 5 to 10
knots in the late evening and overnight. clear. waves 2 feet or
less.
.tuesday...southeast winds 5 to 10 knots becoming south 15 to 20
knots in the afternoon and evening. mostly sunny becoming partly
sunny in the afternoon. a chance of light showers in the afternoon.
light showers in the evening. waves 2 feet or less.
.wednesday...northwest winds 15 to 20 knots. partly cloudy. light
showers. waves 1 to 3 feet.
.thursday...northeast winds 15 to 20 knots. partly cloudy. waves 2
feet or less.

$$

fzus63 kdtx 101352
glflh 
expires:202605102200;;328372

open lake forecast for lake huron
national weather service detroit/pontiac mi
952 am edt sun may 10 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, builds into the midwest
today and then into lower michigan monday. this leads to
decreasing wind field across the central great lakes through
tuesday. the next low pressure system moves in late tuesday
bringing stronger wind and the next pattern of showers and
thunderstorms.


lhz361-362-102200-
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-
952 am edt sun may 10 2026

.rest of today...west winds 10 to 15 knots. waves 2 to 4 feet. 
.tonight...northwest winds 10 to 15 knots. waves 3 to 5 feet. 
.monday...northwest winds 10 to 15 knots. waves 2 to 4 feet
subsiding to 1 to 3 feet early in the afternoon. 
.monday night...west winds 5 to 10 knots  becoming light and
variable. waves 1 to 3 feet. 
.tuesday...south winds 5 to 10 knots becoming southeast 20 to
25 knots with gusts to around 30 knots. showers. waves 2 feet or
less building to 8 to 12 feet. waves occasionally around 15 feet.
.wednesday...north winds 15 to 20 knots backing to the northwest
. a chance of showers. waves 6 to 9 feet. waves occasionally
around 12 feet. 
.thursday...northwest winds 10 to 15 knots becoming southwest by
midnight. waves 3 to 5 feet subsiding to 1 to 3 feet . 


$$

fzus63 kdtx 101352
glflh 
expires:202605102200;;328373

open lake forecast for lake huron
national weather service detroit/pontiac mi
952 am edt sun may 10 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, builds into the midwest
today and then into lower michigan monday. this leads to
decreasing wind field across the central great lakes through
tuesday. the next low pressure system moves in late tuesday
bringing stronger wind and the next pattern of showers and
thunderstorms.


lhz363-462>464-102200-
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-
952 am edt sun may 10 2026

.rest of today...west winds 5 to 10 knots. waves 1 to 3 feet. 
.tonight...north winds 5 to 10 knots backing to the northwest
early in the morning. waves 1 to 3 feet building to 2 to 4 feet
early in the morning. 
.monday...north winds 10 to 15 knots decreasing to 5 to 10 knots
in the late morning and afternoon. waves 2 to 4 feet subsiding to
1 to 3 feet early in the afternoon. 
.monday night...light and variable winds. waves 2 feet or less. 
.tuesday...south winds 5 to 10 knots becoming southeast 20 to
25 knots with gusts to around 30 knots. showers likely late in
the morning. showers late in the afternoon. waves 2 feet or less
building to 6 to 9 feet. waves occasionally around 12 feet. 
.wednesday...south winds 10 to 15 knots becoming northwest 15 to
20 knots . a chance of showers. waves 5 to 7 feet. waves
occasionally around 10 feet. 
.thursday...northwest winds 15 to 20 knots becoming light and
variable. waves 3 to 5 feet subsiding to 1 to 3 feet by midnight.


$$

fzus63 kmkx 101406
glflm 
expires:202605102115;;328946

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
906 am cdt sun may 10 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 is expected to move from 
southern manitoba to over lake michigan by monday morning. 
relatively light and variable winds are expected during most of 
this period. one exception will be a backdoor cold front that is 
expected to shift southward across the lake late this afternoon 
and this evening, bringing briefly gusty northeast winds behind it
before weakening.

low pressure around 29.7 inches should then move gradually east
southeast across or north of lake superior tuesday into tuesday
night. the low will bring a cold front southeast through the
region. gusty south to southeast winds are expected ahead of the 
front tuesday, veering west to northwest behind it and remaining
gusty for tuesday night into wednesday. 

high pressure around 30.2 inches should then move southeast into
the region wednesday night into thursday, bringing lighter winds.


lmz080-669-671-673-675-777-779-870-872-874-876-878-102115-
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-
906 am cdt sun may 10 2026

sheboygan wi to pentwater mi south...

.rest of today...northwest winds 10 to 15 kt backing to south
10 to 20 kt. waves 1 to 2 ft. 
.tonight...southeast winds 10 to 15 kt backing to northeast.
waves 1 to 2 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 15 kt becoming southeast.
waves 1 to 3 ft. 
.tuesday...south winds to 30 kt. rain showers in the morning, 
then rain showers likely in the afternoon. waves 5 to 8 ft 
occasionally to 10 ft building to 8 to 11 ft occasionally to 14 
ft. 
.tuesday night...southwest winds to 30 kt becoming west 15 to
25 kt. chance of rain showers. waves 7 to 10 ft occasionally to
13 ft subsiding to 4 to 6 ft occasionally to 8 ft. 
.wednesday...northwest winds to 30 kt becoming north. waves 5 to
8 ft occasionally to 10 ft. 
.thursday...north winds 10 to 15 kt backing to southwest 10 to
20 kt. waves 2 to 4 ft subsiding to 1 to 2 ft.  

$$

fzus63 kmkx 101406
glflm 
expires:202605102115;;328945

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
906 am cdt sun may 10 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 is expected to move from 
southern manitoba to over lake michigan by monday morning. 
relatively light and variable winds are expected during most of 
this period. one exception will be a backdoor cold front that is 
expected to shift southward across the lake late this afternoon 
and this evening, bringing briefly gusty northeast winds behind it
before weakening.

low pressure around 29.7 inches should then move gradually east
southeast across or north of lake superior tuesday into tuesday
night. the low will bring a cold front southeast through the
region. gusty south to southeast winds are expected ahead of the 
front tuesday, veering west to northwest behind it and remaining
gusty for tuesday night into wednesday. 

high pressure around 30.2 inches should then move southeast into
the region wednesday night into thursday, bringing lighter winds.


lmz261-362-364-366-563-565-567-868-102115-
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-
906 am cdt sun may 10 2026

sheboygan wi to pentwater mi north...

.rest of today...west winds 10 to 20 kt. isolated rain showers
this afternoon. waves 1 to 3 ft. 
.tonight...north winds 10 to 20 kt diminishing to 10 to 15 kt.
waves 1 to 3 ft subsiding to 1 to 2 ft. 
.monday...north winds 10 to 15 kt backing to south. waves 1 to
2 ft. 
.monday night...south winds 5 to 10 kt increasing to 10 to 20 kt
overnight. waves 1 to 3 ft. 
.tuesday...south winds to 30 kt. rain showers. waves 5 to 8 ft 
occasionally to 10 ft building to 8 to 11 ft occasionally to 14 
ft. 
.tuesday night...southwest winds to 30 kt veering to northwest
15 to 25 kt. chance of rain showers. waves 7 to 10 ft
occasionally to 13 ft subsiding to 4 to 7 ft occasionally to
9 ft. 
.wednesday...northwest winds to 30 kt. waves 4 to 7 ft
occasionally to 9 ft. 
.thursday...northwest winds 10 to 15 kt backing to southwest.
waves 1 to 3 ft.  

$$

fzus63 kmqt 101402
glfls 
expires:202605102000;;328704

open lake forecast for lake superior
national weather service marquette mi
1001 am edt sun may 10 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... 

high pressure ridging continues to rise over lake superior today as 
a 30.2 inch high over the canadian prairies expands eastward. the 
high shifts southeast into the upper great lakes at 30.3 inches 
tonight and monday morning. ridging from the high persists at around 
30.2 inches over lake superior through monday evening before 
eventually being replaced by a 29.7 inch clipper descending over 
western lake superior on tuesday. as the clipper continues eastward 
tuesday night into wednesday, 30.1 inch high pressure ridging moves 
back over lake superior late in the day on wednesday. this ridging 
is pressed southeast to the lower great lakes on thursday while a 
29.4 inch low emanates off the northern rockies.



lsz265-102000-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
1001 am edt sun may 10 2026

.rest of today...northwest winds 10 to 20 knots. waves calm to
2 feet. 
.tonight...northwest winds 10 to 20 knots diminishing to 5 to
15 knots after midnight. waves calm to 2 feet. 
.monday...northwest winds 5 to 15 knots veering east in the
afternoon. waves calm to 2 feet. 
.monday night...southeast winds 10 to 20 knots increasing to
15 to 25 knots after midnight. waves building to 3 to 5 feet
occasionally to 7 feet. 
.tuesday...southeast winds 20 to 30 knots. rain showers. waves
building to 6 to 9 feet occasionally to 11 feet, then subsiding
to 4 to 7 feet occasionally to 9 feet. 
.tuesday night...west winds 15 to 25 knots becoming northwest
20 to 30 knots after midnight. a chance of rain showers. waves
subsiding to 3 to 5 feet occasionally to 7 feet, then building to
4 to 7 feet occasionally to 9 feet. 
.wednesday...northwest gales to 35 knots becoming west 10 to
20 knots. waves building to 5 to 8 feet occasionally to 10 feet,
then subsiding to calm to 2 feet. 
.thursday...southeast winds 10 to 20 knots becoming south 20 to
30 knots. a chance of rain showers. waves building to 3 to 6 feet
occasionally to 8 feet. 

$$

fzus63 kmqt 101402
glfls 
expires:202605102000;;328705

open lake forecast for lake superior
national weather service marquette mi
1001 am edt sun may 10 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... 

high pressure ridging continues to rise over lake superior today as 
a 30.2 inch high over the canadian prairies expands eastward. the 
high shifts southeast into the upper great lakes at 30.3 inches 
tonight and monday morning. ridging from the high persists at around 
30.2 inches over lake superior through monday evening before 
eventually being replaced by a 29.7 inch clipper descending over 
western lake superior on tuesday. as the clipper continues eastward 
tuesday night into wednesday, 30.1 inch high pressure ridging moves 
back over lake superior late in the day on wednesday. this ridging 
is pressed southeast to the lower great lakes on thursday while a 
29.4 inch low emanates off the northern rockies.



lsz266-102000-
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 sun may 10 2026

.rest of today...northwest winds 10 to 20 knots increasing to
15 to 25 knots in the afternoon. waves 1 to 3 feet building to
2 to 4 feet. 
.tonight...northwest winds 10 to 20 knots veering north late.
waves subsiding to calm to 2 feet. 
.monday...northwest winds 5 to 15 knots becoming east less than
10 knots late. waves calm to 2 feet. 
.monday night...southeast winds 5 to 15 knots becoming south
15 to 25 knots after midnight. waves building to 3 to 5 feet
occasionally to 7 feet. 
.tuesday...south winds 20 to 30 knots backing southeast by mid
afternoon. rain showers. waves building to 5 to 9 feet
occasionally to 11 feet. 
.tuesday night...southeast winds 15 to 25 knots becoming north
20 to 30 knots after midnight. a chance of rain showers. waves
subsiding to 3 to 5 feet occasionally to 7 feet, then building to
5 to 8 feet occasionally to 10 feet. 
.wednesday...northwest gales to 35 knots diminishing to 15 to
25 knots. waves building to 7 to 10 feet occasionally to 13 feet,
then subsiding to calm to 2 feet. 
.thursday...southeast winds 10 to 20 knots becoming south 20 to
30 knots. a chance of rain showers. waves building to 3 to 6 feet
occasionally to 8 feet. 

$$

fzus63 kmqt 101402
glfls 
expires:202605102000;;328706

open lake forecast for lake superior
national weather service marquette mi
1001 am edt sun may 10 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... 

high pressure ridging continues to rise over lake superior today as 
a 30.2 inch high over the canadian prairies expands eastward. the 
high shifts southeast into the upper great lakes at 30.3 inches 
tonight and monday morning. ridging from the high persists at around 
30.2 inches over lake superior through monday evening before 
eventually being replaced by a 29.7 inch clipper descending over 
western lake superior on tuesday. as the clipper continues eastward 
tuesday night into wednesday, 30.1 inch high pressure ridging moves 
back over lake superior late in the day on wednesday. this ridging 
is pressed southeast to the lower great lakes on thursday while a 
29.4 inch low emanates off the northern rockies.



lsz267-102000-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
1001 am edt sun may 10 2026

.rest of today...northwest winds 10 to 20 knots increasing to
15 to 25 knots in the afternoon. waves 1 to 3 feet building to
2 to 4 feet. 
.tonight...northwest winds 15 to 25 knots diminishing to 5 to
15 knots. waves subsiding to 1 to 3 feet. 
.monday...northwest winds 5 to 15 knots backing west late. waves
subsiding to calm to 2 feet. 
.monday night...southeast winds 5 to 15 knots. waves calm to
2 feet. 
.tuesday...southeast winds 15 to 25 knots. a chance of rain
showers through early afternoon, then rain showers by mid
afternoon. waves building to 3 to 6 feet occasionally to 8 feet. 
.tuesday night...southeast winds 15 to 25 knots backing north
after midnight. rain showers likely through midnight, then a
chance of rain showers after midnight. waves subsiding to 1 to
3 feet, then building to 3 to 5 feet occasionally to 7 feet. 
.wednesday...northwest winds 20 to 30 knots diminishing to 15 to
25 knots. waves building to 4 to 7 feet occasionally to 9 feet,
then subsiding to 1 to 3 feet. 
.thursday...south winds 5 to 15 knots increasing to 15 to
25 knots. waves subsiding to calm to 2 feet, then building to
2 to 4 feet. 

$$

fzus63 kmqt 101402
glfls 
expires:202605102000;;328701

open lake forecast for lake superior
national weather service marquette mi
1001 am edt sun may 10 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... 

high pressure ridging continues to rise over lake superior today as 
a 30.2 inch high over the canadian prairies expands eastward. the 
high shifts southeast into the upper great lakes at 30.3 inches 
tonight and monday morning. ridging from the high persists at around 
30.2 inches over lake superior through monday evening before 
eventually being replaced by a 29.7 inch clipper descending over 
western lake superior on tuesday. as the clipper continues eastward 
tuesday night into wednesday, 30.1 inch high pressure ridging moves 
back over lake superior late in the day on wednesday. this ridging 
is pressed southeast to the lower great lakes on thursday while a 
29.4 inch low emanates off the northern rockies.



lsz162-102000-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1001 am edt sun may 10 2026 /901 am cdt sun may 10 2026/

.rest of today...northwest winds 10 to 20 knots becoming west
5 to 15 knots in the afternoon. waves calm to 2 feet. 
.tonight...northwest winds 5 to 15 knots veering north after
midnight, then diminishing to less than 10 knots late. waves calm
to 2 feet. 
.monday...north winds less than 10 knots becoming southeast 5 to
15 knots in the afternoon. waves calm to 2 feet. 
.monday night...east winds 5 to 15 knots increasing to 10 to
20 knots after midnight. rain showers likely after midnight.
waves building to 1 to 3 feet. 
.tuesday...southeast winds 10 to 20 knots veering northwest by
mid afternoon. rain showers. waves building to 2 to 4 feet, then
subsiding to 1 to 3 feet. 
.tuesday night...northwest winds 15 to 25 knots diminishing to
10 to 20 knots after midnight. waves subsiding to calm to 2 feet.
.wednesday...northwest winds 5 to 15 knots backing southwest.
waves calm to 2 feet. 
.thursday...east winds 5 to 15 knots becoming south 10 to
20 knots. a chance of rain showers. waves building to 2 to
4 feet, then subsiding to 1 to 3 feet. 

$$

fzus63 kmqt 101402
glfls 
expires:202605102000;;328702

open lake forecast for lake superior
national weather service marquette mi
1001 am edt sun may 10 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... 

high pressure ridging continues to rise over lake superior today as 
a 30.2 inch high over the canadian prairies expands eastward. the 
high shifts southeast into the upper great lakes at 30.3 inches 
tonight and monday morning. ridging from the high persists at around 
30.2 inches over lake superior through monday evening before 
eventually being replaced by a 29.7 inch clipper descending over 
western lake superior on tuesday. as the clipper continues eastward 
tuesday night into wednesday, 30.1 inch high pressure ridging moves 
back over lake superior late in the day on wednesday. this ridging 
is pressed southeast to the lower great lakes on thursday while a 
29.4 inch low emanates off the northern rockies.



lsz263-102000-
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 sun may 10 2026

.rest of today...northwest winds 5 to 15 knots backing west in
the afternoon. a chance of rain showers by mid afternoon. waves
calm to 2 feet. 
.tonight...west winds 5 to 15 knots veering north after midnight,
then diminishing to less than 10 knots late. waves calm to
2 feet. 
.monday...northwest winds less than 10 knots becoming south 5 to
15 knots in the afternoon. waves calm to 2 feet. 
.monday night...southeast winds 10 to 20 knots. a chance of rain
showers, possibly mixed with snow after midnight. waves building
to 2 to 4 feet. 
.tuesday...southeast winds 10 to 20 knots veering west by mid
afternoon. rain showers. waves building to 3 to 6 feet
occasionally to 8 feet. 
.tuesday night...northwest winds 10 to 20 knots veering north
after midnight. waves subsiding to 2 to 4 feet, then building to
3 to 5 feet occasionally to 7 feet. 
.wednesday...northwest winds 10 to 20 knots becoming west 5 to
15 knots. waves subsiding to calm to 2 feet. 
.thursday...south winds 5 to 15 knots increasing to 15 to
25 knots. a chance of rain showers. waves building to 3 to 5 feet
occasionally to 7 feet, then subsiding to 2 to 4 feet. 

$$

fzus63 kmqt 101402
glfls 
expires:202605102000;;328703

open lake forecast for lake superior
national weather service marquette mi
1001 am edt sun may 10 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... 

high pressure ridging continues to rise over lake superior today as 
a 30.2 inch high over the canadian prairies expands eastward. the 
high shifts southeast into the upper great lakes at 30.3 inches 
tonight and monday morning. ridging from the high persists at around 
30.2 inches over lake superior through monday evening before 
eventually being replaced by a 29.7 inch clipper descending over 
western lake superior on tuesday. as the clipper continues eastward 
tuesday night into wednesday, 30.1 inch high pressure ridging moves 
back over lake superior late in the day on wednesday. this ridging 
is pressed southeast to the lower great lakes on thursday while a 
29.4 inch low emanates off the northern rockies.



lsz264-102000-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
1001 am edt sun may 10 2026

.rest of today...northwest winds 5 to 15 knots backing west late.
a chance of rain and snow showers. waves calm to 2 feet. 
.tonight...west winds 5 to 15 knots veering north late. waves
calm to 2 feet. 
.monday...northwest winds less than 10 knots becoming south 5 to
15 knots in the afternoon. waves calm to 2 feet. 
.monday night...southeast winds 10 to 20 knots. waves building to
2 to 4 feet. 
.tuesday...southeast winds 20 to 30 knots. rain showers. waves
building to 5 to 9 feet occasionally to 11 feet. 
.tuesday night...north winds 10 to 20 knots increasing to 15 to
25 knots after midnight. a chance of rain showers. waves
subsiding to 2 to 4 feet. 
.wednesday...northwest winds 15 to 25 knots becoming west 5 to
15 knots. waves subsiding to calm to 2 feet. 
.thursday...south winds 10 to 20 knots increasing to 15 to
25 knots. a chance of rain showers. waves building to 3 to 5 feet
occasionally to 7 feet. 

$$