fzus61 kbuf 132002
glflo 
expires:202606140300;;691074

open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt sat jun 13 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 30.0 inch high will ridge across the lower great lakes 
through sunday morning, then a cold front will cross the region 
sunday afternoon and evening. the eastern edge of a 30.1 inch high 
over the plains states will push over the lake on monday with a 
trough averaging 29.8 inches crossing the lake on tuesday. a 29.4 
inch low will then track north of the lake on wednesday, with its 
trailing cold front approaching the lake late in the day on 
wednesday. a second 29.4 inch surface low will pass across the upper 
great lakes thursday, with a warm front, followed by a cold front to 
sweep across the lake throughout the day.


loz063>065-140300-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 pm edt sat jun 13 2026

.tonight...southwest winds 10 to 15 knots. waves 1 to 2 feet. 
.sunday...southwest winds 5 to 15 knots becoming west. a chance
of showers late in the morning. showers with a chance of
thunderstorms in the afternoon. some thunderstorms may produce
gusty winds in the afternoon. waves 2 feet or less. 
.sunday night...west winds 10 to 15 knots increasing to 15 to
20 knots. showers with a chance of thunderstorms in the evening.
some thunderstorms may produce gusty winds in the evening. waves
1 to 2 feet building to 3 to 6 feet. 
.monday...west winds 15 to 20 knots. waves 3 to 6 feet subsiding
to 2 to 4 feet. 
.monday night...southwest winds 5 to 15 knots. waves 2 to 4 feet
subsiding to 1 to 3 feet. 
.tuesday...southwest winds 5 to 15 knots becoming south. waves
2 feet or less. 
.wednesday...south winds 5 to 15 knots increasing to 15 to
20 knots. a chance of showers during the day, then showers likely
wednesday night. waves 2 feet or less building to 2 to 4 feet. 
.thursday...south winds to 30 knots becoming west. showers with a
chance of thunderstorms. waves 4 to 7 feet building to 6 to
10 feet. waves occasionally around 13 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 132002
glflo 
expires:202606140300;;691073

open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt sat jun 13 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 30.0 inch high will ridge across the lower great lakes 
through sunday morning, then a cold front will cross the region 
sunday afternoon and evening. the eastern edge of a 30.1 inch high 
over the plains states will push over the lake on monday with a 
trough averaging 29.8 inches crossing the lake on tuesday. a 29.4 
inch low will then track north of the lake on wednesday, with its 
trailing cold front approaching the lake late in the day on 
wednesday. a second 29.4 inch surface low will pass across the upper 
great lakes thursday, with a warm front, followed by a cold front to 
sweep across the lake throughout the day.


loz062-140300-
lake ontario open waters from the niagara river to hamlin beach-
402 pm edt sat jun 13 2026

.tonight...southwest winds 15 to 20 knots diminishing to 10 to
15 knots. waves 1 to 3 feet. 
.sunday...southwest winds 5 to 15 knots becoming northwest. a
chance of showers early, then showers with a chance of
thunderstorms from late morning on. some thunderstorms may
produce gusty winds from late morning on. waves 1 to 2 feet. 
.sunday night...northwest winds 10 to 15 knots becoming west
15 to 20 knots. showers likely in the evening. waves 1 to 3 feet
building to 2 to 4 feet. 
.monday...west winds 15 to 20 knots becoming southwest 10 to
15 knots. waves 2 to 4 feet. 
.monday night...southwest winds 10 to 15 knots. waves 1 to
3 feet. 
.tuesday...southwest winds 5 to 15 knots becoming south. a chance
of showers tuesday night. waves 1 to 2 feet. 
.wednesday...south winds 5 to 15 knots becoming southeast 15 to
20 knots. a chance of showers during the day, then showers likely
with a chance of thunderstorms wednesday night. waves 1 to
3 feet. 
.thursday...south winds to 30 knots becoming west. showers with a
chance of thunderstorms during the day, then a chance of showers
thursday night. waves 5 to 8 feet building to 6 to 10 feet, then
subsiding to 5 to 8 feet. waves occasionally around 13 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 131953
glfle 
expires:202606140215;;690733

open lake forecast for lake erie
national weather service cleveland oh
353 pm edt sat jun 13 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 30.00 inches exits slowly eastward
before a cold front sweeps southeastward across lake erie on
sunday. behind the front, another ridge averaging 30.00 inches builds
from the northern great plains and vicinity through monday before
the ridge begins to exit eastward on tuesday through wednesday.
during wednesday night through thursday, a potent low should wobble 
east-northeastward from the upper mississippi valley to southern 
quebec and deepen to around 29.10 inches. accordingly, a warm 
front should sweep northeastward across lake erie wednesday night 
and be followed by the eastward passage of a cold front on 
thursday.


lez061-167>169-140215-
ripley to buffalo ny extending from 5nm 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-
353 pm edt sat jun 13 2026

.tonight...southwest winds 5 to 15 knots. waves 1 to 3 feet. 
.sunday...southwest winds 10 to 15 knots becoming northwest 15 to
20 knots. a chance of showers with a slight chance of
thunderstorms early, then showers with a chance of thunderstorms
from late morning on. waves 1 to 3 feet. 
.sunday night...northwest winds 10 to 15 knots. a chance of
showers in the evening. waves 2 to 3 feet. 
.monday...northwest winds 10 to 15 knots becoming southwest.
waves 1 to 3 feet. 
.monday night...southwest winds 10 to 15 knots. waves 1 to
3 feet. 
.tuesday...southwest winds 10 to 15 knots becoming south 15 to
20 knots. a chance of showers and thunderstorms tuesday night.
waves 1 to 3 feet building to 3 to 5 feet. 
.wednesday...southwest winds 15 to 20 knots becoming south and
increasing to 30 knots. a chance of showers and thunderstorms
during the day, then showers with a chance of thunderstorms
wednesday night. waves 3 to 6 feet building to 4 to 7 feet. waves
occasionally around 9 feet. 
.thursday...southwest winds to 30 knots becoming west and
diminishing to 15 to 20 knots. showers likely during the day,
then a chance of showers thursday night. waves 7 to 10 feet
subsiding to 3 to 5 feet. waves occasionally around 13 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 131953
glfle 
expires:202606140215;;690732

open lake forecast for lake erie
national weather service cleveland oh
353 pm edt sat jun 13 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 30.00 inches exits slowly eastward
before a cold front sweeps southeastward across lake erie on
sunday. behind the front, another ridge averaging 30.00 inches builds
from the northern great plains and vicinity through monday before
the ridge begins to exit eastward on tuesday through wednesday.
during wednesday night through thursday, a potent low should wobble 
east-northeastward from the upper mississippi valley to southern 
quebec and deepen to around 29.10 inches. accordingly, a warm 
front should sweep northeastward across lake erie wednesday night 
and be followed by the eastward passage of a cold front on 
thursday.


lez162>166-140215-
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-
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-
353 pm edt sat jun 13 2026

.tonight...southwest winds 10 to 15 knots. a slight chance of
showers and thunderstorms late. waves 1 to 3 feet. 
.sunday...southwest winds 10 to 15 knots becoming northwest 15 to
20 knots. showers likely with a slight chance of thunderstorms
early, then showers with a chance of thunderstorms. a chance of
showers and thunderstorms late. waves 1 to 3 feet. 
.sunday night...northwest winds 15 to 20 knots diminishing to
10 to 15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.monday...northwest winds 10 to 15 knots becoming southwest.
waves 1 to 3 feet. 
.monday night...southwest winds 10 to 15 knots. waves 1 to
3 feet. 
.tuesday...southwest winds 10 to 15 knots increasing to 15 to
20 knots. a chance of showers and thunderstorms during the day,
then showers likely with a chance of thunderstorms tuesday night.
waves 1 to 3 feet building to 3 to 5 feet. 
.wednesday...southwest winds 15 to 20 knots becoming south and
increasing to 30 knots. a chance of showers and thunderstorms
during the day, then showers with a chance of thunderstorms
wednesday night. waves 3 to 6 feet building to 4 to 7 feet. waves
occasionally around 9 feet. 
.thursday...southwest gales to 35 knots becoming west and
diminishing to 15 to 20 knots. showers likely during the day,
then a chance of showers thursday night. waves 6 to 10 feet
subsiding to 2 to 4 feet. waves occasionally around 13 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 131943
glfsc 
expires:202606140345;;690462

lake st clair forecast
national weather service detroit/pontiac mi
343 pm edt sat jun 13 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...ohio valley high pressure exits toward the mid-
atlantic tonight as a cold front moves in from the midwest. this
boundary will cross the central great lakes by sunday morning
generating additional nocturnal showers and thunderstorms. breezy
conditions return each afternoon early next week, but dry weather
should prevail midday sunday through at least tuesday morning.


lcz460-140345-
lake st clair-
343 pm edt sat jun 13 2026

.tonight...southwest winds 15 to 20 knots diminishing to 10 to 15
knots in the late evening and overnight. mostly clear ...then mostly
cloudy with a chance of showers and thunderstorms early in the
morning. waves 1 to 3 feet.
.sunday...west winds 5 to 10 knots becoming northwest 10 to 15 knots
in the late morning and afternoon. a chance of light showers early
in the morning. a chance of thunderstorms until late afternoon.
showers in the late morning and early afternoon. waves 2 feet or
less.
.sunday night...northwest winds 15 to 20 knots diminishing to 10 to
15 knots in the late evening and overnight. partly cloudy until
early morning then clearing. waves 2 feet or less.
.monday...west winds 5 to 10 knots increasing to 10 to 15 knots in
the late morning and afternoon. mostly sunny. waves 2 feet or less.
.monday night...west winds 10 to 15 knots becoming southwest 5 to 10
knots after midnight. mostly clear. waves 2 feet or less.
.tuesday...southwest winds 10 to 15 knots. mostly sunny in the
morning...then a chance of showers and thunderstorms in the
afternoon. partly cloudy with showers likely and a chance of
thunderstorms in the evening. waves 2 feet or less.
.wednesday...south winds 15 to 20 knots. partly cloudy. showers
likely and a chance of thunderstorms. waves 1 to 3 feet.
.thursday...west at 35 knot gales with gusts to 45 knot gales.
showers and a chance of thunderstorms. waves 3 to 5 feet. waves
occasionally around 7 feet.  a gale warning may be needed.

$$

fzus63 kdtx 131943
glflh 
expires:202606140345;;690432

open lake forecast for lake huron
national weather service detroit/pontiac mi
343 pm edt sat jun 13 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...ohio valley high pressure exits toward the mid-
atlantic tonight as a cold front moves in from the midwest. this
boundary will cross the central great lakes by sunday morning
generating additional nocturnal showers and thunderstorms. breezy
conditions return each afternoon early next week, but dry weather
should prevail midday sunday through at least tuesday morning.


lhz361-140345-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
343 pm edt sat jun 13 2026

.tonight...northwest winds 10 to 15 knots decreasing to 5 to
10 knots by midnight...then backing to the west early in the
morning. waves 2 to 4 feet subsiding to 2 feet or less after
midnight. 
.sunday...west winds 5 to 10 knots increasing to 15 to 20 knots.
waves 1 to 3 feet building to 2 to 4 feet in the afternoon. 
.sunday night...west winds 15 to 20 knots decreasing to 10 to
15 knots in the late evening and overnight. waves 3 to 5 feet
subsiding to 2 to 4 feet after midnight. 
.monday...west winds 10 to 15 knots. waves 1 to 3 feet building
to 2 to 4 feet early in the afternoon. 
.monday night...west winds 5 to 10 knots backing to the southwest
after midnight. waves 1 to 3 feet. 
.tuesday...southwest winds 5 to 10 knots backing to the southeast
late in the evening. a chance of showers late in the morning.
waves 1 to 3 feet. 
.wednesday...south winds 5 to 10 knots backing to the east early
in the evening...then increasing to 10 to 15 knots by midnight.
showers by midnight. waves 1 to 3 feet building to 3 to 5 feet by
midnight. 
.thursday...east winds to 30 knots becoming north 20 to 25 knots
with gusts to around 30 knots in the late morning and early
afternoon...then backing to the west with gusts to around
30 knots early in the evening becoming northwest 15 to 20 knots
by midnight. showers early in the morning...then showers likely
in the late morning and early afternoon. a chance of showers
early in the evening. waves 5 to 7 feet. waves occasionally
around 10 feet. 


$$

fzus63 kdtx 131943
glflh 
expires:202606140345;;690433

open lake forecast for lake huron
national weather service detroit/pontiac mi
343 pm edt sat jun 13 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...ohio valley high pressure exits toward the mid-
atlantic tonight as a cold front moves in from the midwest. this
boundary will cross the central great lakes by sunday morning
generating additional nocturnal showers and thunderstorms. breezy
conditions return each afternoon early next week, but dry weather
should prevail midday sunday through at least tuesday morning.


lhz362-363-140345-
lake huron from presque isle light to sturgeon point mi beyond
5nm off shore-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
343 pm edt sat jun 13 2026

.tonight...southwest winds 10 to 15 knots early in the evening
veering to the west...then becoming northwest 5 to 10 knots after
midnight becoming light and variable. a chance of showers and
thunderstorms in the evening...then a chance of showers after
midnight. waves 3 to 5 feet subsiding to 1 to 3 feet early in the
morning. 
.sunday...light and variable winds becoming west 5 to 10 knots
early in the afternoon...then becoming northwest 10 to 15 knots
late in the afternoon. a chance of showers in the morning. waves
1 to 3 feet building to 2 to 4 feet late in the afternoon. 
.sunday night...northwest winds 15 to 20 knots decreasing to
10 to 15 knots by midnight...then backing to the west after
midnight. waves 3 to 5 feet. 
.monday...southwest winds 10 to 15 knots. waves 1 to 3 feet. 
.monday night...southwest winds 5 to 10 knots increasing to 10 to
15 knots after midnight. waves 1 to 3 feet. 
.tuesday...southwest winds 10 to 15 knots backing to the south
late in the afternoon...then decreasing to 5 to 10 knots late in
the evening. a chance of showers. waves 1 to 3 feet building to
2 to 4 feet. 
.wednesday...south winds 5 to 10 knots becoming southeast 10 to
15 knots with gusts to around 30 knots . showers by midnight.
waves 2 to 4 feet subsiding to 1 to 3 feet early in the evening...
then building to 2 to 4 feet by midnight. 
.thursday...east winds 20 to 25 knots with gusts to 35 knot gales
backing to the north with gusts to around 30 knots in the late
morning and early afternoon...then becoming west 15 to 20 knots .
showers early in the morning...then showers likely in the late
morning and early afternoon. waves 6 to 9 feet. waves
occasionally around 12 feet. 


$$

fzus63 kdtx 131943
glflh 
expires:202606140345;;690434

open lake forecast for lake huron
national weather service detroit/pontiac mi
343 pm edt sat jun 13 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...ohio valley high pressure exits toward the mid-
atlantic tonight as a cold front moves in from the midwest. this
boundary will cross the central great lakes by sunday morning
generating additional nocturnal showers and thunderstorms. breezy
conditions return each afternoon early next week, but dry weather
should prevail midday sunday through at least tuesday morning.


lhz462>464-140345-
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-
343 pm edt sat jun 13 2026

.tonight...southwest winds 15 to 20 knots decreasing to 10 to
15 knots late in the evening...then veering to the southwest
10 to 15 knots after midnight decreasing to 5 to 10 knots early
in the morning. a chance of showers and thunderstorms in the
evening...then a chance of showers after midnight. waves 3 to
5 feet subsiding to 1 to 3 feet after midnight. 
.sunday...north winds 5 to 10 knots. showers in the morning...
then a chance of showers in the afternoon. waves 1 to 3 feet. 
.sunday night...north winds 5 to 10 knots becoming west 10 to
15 knots after midnight. waves 1 to 3 feet. 
.monday...southwest winds 10 to 15 knots. waves 1 to 3 feet. 
.monday night...southwest winds 10 to 15 knots. waves 1 to
3 feet. 
.tuesday...southwest winds 10 to 15 knots. a chance of
thunderstorms late in the morning. a chance of showers. waves
1 to 3 feet building to 2 to 4 feet late in the evening. 
.wednesday...south winds 5 to 10 knots becoming southeast 15 to
20 knots with gusts to 40 knot gales by midnight. showers likely
early in the evening. rain showers by midnight. waves 2 to 4 feet
subsiding to 1 to 3 feet until early evening...then building to
4 to 6 feet by midnight. waves occasionally around 8 feet. 
.thursday...southeast winds to 30 knots with gusts to 40 knot
gales becoming southwest 20 to 25 knots with gusts to 35 knot
gales in the late morning and early afternoon...then becoming
west 15 to 20 knots with gusts to around 30 knots early in the
evening decreasing to 10 to 15 knots by midnight. showers early
in the morning. rain showers likely in the late morning and early
afternoon...then a chance of showers early in the evening. waves
6 to 9 feet subsiding to 3 to 5 feet by midnight. waves
occasionally around 12 feet. 


$$

fzus63 kmkx 131946
glflm 
expires:202606140315;;690558

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
246 pm cdt sat jun 13 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...

low pressure around 29.3 inches lingers in the hudson bay,
allowing for continued gusty southwest winds through this evening. this
evening into tonight, a cold front from this system will shift 
winds to northwesterly and bringing isolated thunderstorms. 
northwest winds continue through sunday, becoming light and 
variable sunday night as high pressure around 30.1 inches builds 
in the central plains to middle mississippi valley. winds then 
shift southwesterly on monday as high pressure slides southward 
and low pressure of 29.7 inches progresses southeastward through 
the northern plains. low pressure crosses lake michigan on 
tuesday, with strong southwesterly winds to the south of the low. 
thunderstorms are possible once again. wednesday, an additional 
low pressure system will progress eastward into the upper midwest,
bringing gusty southeasterly winds and perhaps some gales. this 
low is also expected to cross lake michigan, bringing 
thunderstorms and gusty northwest winds by the overnight hours and
into thursday.


lmz080-669-671-673-675-777-779-870-872-874-876-878-140315-
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-
246 pm cdt sat jun 13 2026

sheboygan wi to pentwater mi south...

.tonight...southwest winds 10 to 20 kt veering to northwest.
chance of showers and thunderstorms this evening, then showers
likely with slight chance of thunderstorms overnight. waves 3 to
5 ft subsiding to 2 to 4 ft. 
.sunday...northwest winds 10 to 20 kt. slight chance of showers
in the morning. waves 2 to 4 ft building to 3 to 5 ft. 
.sunday night...west winds 10 to 20 kt. waves 2 to 4 ft. 
.monday...west winds 10 to 20 kt becoming southwest. waves 2 to
4 ft. 
.monday night...southwest winds 10 to 20 kt. waves 2 to 4 ft. 
.tuesday...southwest winds 15 to 25 kt increasing to 30 kt.
chance of showers and thunderstorms in the afternoon. waves 2 to
4 ft. 
.tuesday night...southwest winds 15 to 25 kt diminishing to 10 to
20 kt. waves 2 to 4 ft. 
.wednesday...southwest winds 10 to 15 kt becoming south to 30 kt.
showers likely. waves 1 to 3 ft building to 4 to 6 ft
occasionally to 8 ft. 
.thursday...west gales to 40 kt becoming northwest gales to
35 kt. waves 8 to 11 ft occasionally to 14 ft subsiding to 7 to
10 ft occasionally to 13 ft.  

$$

fzus63 kmkx 131946
glflm 
expires:202606140315;;690557

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
246 pm cdt sat jun 13 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...

low pressure around 29.3 inches lingers in the hudson bay,
allowing for continued gusty southwest winds through this evening. this
evening into tonight, a cold front from this system will shift 
winds to northwesterly and bringing isolated thunderstorms. 
northwest winds continue through sunday, becoming light and 
variable sunday night as high pressure around 30.1 inches builds 
in the central plains to middle mississippi valley. winds then 
shift southwesterly on monday as high pressure slides southward 
and low pressure of 29.7 inches progresses southeastward through 
the northern plains. low pressure crosses lake michigan on 
tuesday, with strong southwesterly winds to the south of the low. 
thunderstorms are possible once again. wednesday, an additional 
low pressure system will progress eastward into the upper midwest,
bringing gusty southeasterly winds and perhaps some gales. this 
low is also expected to cross lake michigan, bringing 
thunderstorms and gusty northwest winds by the overnight hours and
into thursday.


lmz261-362-364-366-563-565-567-868-140315-
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-
246 pm cdt sat jun 13 2026

sheboygan wi to pentwater mi north...

.tonight...west winds 10 to 20 kt becoming northwest 10 to 15 kt.
waves 3 to 5 ft subsiding to 2 to 4 ft. 
.sunday...northwest winds 10 to 20 kt becoming west 15 to 25 kt.
waves 2 to 4 ft. 
.sunday night...southwest winds 10 to 20 kt becoming west. waves
2 to 4 ft subsiding to 1 to 3 ft. 
.monday...west winds 10 to 20 kt becoming southwest. waves 1 to
3 ft. 
.monday night...southwest winds 10 to 20 kt. waves 2 to 4 ft. 
.tuesday...southwest winds 10 to 20 kt becoming south to 30 kt in
the afternoon. chance of showers in the afternoon. waves 2 to
4 ft. 
.tuesday night...southwest winds 15 to 25 kt diminishing to 10 to
15 kt. waves 2 to 4 ft. 
.wednesday...southwest winds 10 to 15 kt becoming south 15 to
25 kt. waves 1 to 2 ft building to 3 to 5 ft. 
.thursday...northwest gales to 35 kt becoming west to 30 kt.
chance of showers. waves 8 to 11 ft occasionally to 14 ft
subsiding to 4 to 7 ft occasionally to 9 ft.  

$$

fzus63 kmqt 132001
glfls 
expires:202606140800;;690968

open lake forecast for lake superior
national weather service marquette mi
401 pm edt sat jun 13 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 29.6 inch trough is currently moving across lake superior this 
afternoon and is followed by a 29.7 inch trough sunday pm. weak 
ridging of 29.7 inches follows into monday, but another 29.7 inch 
trough moves through the lake late monday into tuesday. troughing of 
around 29.6 inches returns by late tuesday before a low of 29.4 
inches moves through the great lakes region wednesday night and 
thursday. 




lsz264-140800-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
401 pm edt sat jun 13 2026

.late this afternoon...west winds 15 to 25 knots. waves 3 to
5 feet occasionally to 7 feet. 
.tonight...west winds 10 to 20 knots. waves subsiding to 2 to
4 feet. 
.sunday...west winds 10 to 20 knots increasing to 15 to 25 knots
in the afternoon. waves building to 3 to 5 feet occasionally to
7 feet. 
.sunday night...west winds 15 to 25 knots diminishing to 10 to
20 knots after midnight. waves subsiding to 2 to 4 feet. 
.monday...west winds 10 to 20 knots backing southwest by mid
afternoon. waves subsiding to 1 to 3 feet. 
.monday night...west winds 5 to 15 knots becoming northwest less
than 10 knots after midnight. waves subsiding to calm to 2 feet. 
.tuesday...northwest winds less than 10 knots becoming southwest
5 to 15 knots by mid afternoon. waves calm to 2 feet. 
.tuesday night...south winds less than 10 knots. waves calm to
2 feet. 
.wednesday...south winds 5 to 15 knots backing east. a chance of
rain showers. waves calm to 2 feet. 
.thursday...west winds 10 to 20 knots diminishing to 5 to
15 knots. waves calm to 2 feet. 

$$

fzus63 kmqt 132001
glfls 
expires:202606140800;;690969

open lake forecast for lake superior
national weather service marquette mi
401 pm edt sat jun 13 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 29.6 inch trough is currently moving across lake superior this 
afternoon and is followed by a 29.7 inch trough sunday pm. weak 
ridging of 29.7 inches follows into monday, but another 29.7 inch 
trough moves through the lake late monday into tuesday. troughing of 
around 29.6 inches returns by late tuesday before a low of 29.4 
inches moves through the great lakes region wednesday night and 
thursday. 




lsz265-140800-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
401 pm edt sat jun 13 2026

.late this afternoon...west winds 20 to 30 knots. waves 2 to
4 feet. 
.tonight...west winds 15 to 25 knots. waves subsiding to 1 to
3 feet. 
.sunday...west winds 15 to 25 knots increasing to 20 to 30 knots
in the afternoon, then diminishing to 15 to 25 knots late. waves
building to 2 to 4 feet, then subsiding to 1 to 3 feet. 
.sunday night...west winds 15 to 25 knots. waves subsiding to
calm to 2 feet, then building to 1 to 3 feet. 
.monday...west winds 15 to 25 knots diminishing to 10 to 20 knots
by mid afternoon. waves subsiding to calm to 2 feet. 
.monday night...west winds 10 to 20 knots diminishing to 5 to
15 knots after midnight. waves calm to 2 feet. 
.tuesday...west winds 5 to 15 knots becoming east 10 to 20 knots
by mid afternoon. waves calm to 2 feet. 
.tuesday night...southeast winds 5 to 15 knots veering south
after midnight. waves calm to 2 feet. 
.wednesday...southeast winds 5 to 15 knots becoming east 15 to
25 knots. a chance of showers. waves building to 2 to 4 feet. 
.thursday...northwest winds 15 to 25 knots backing west. waves
building to 3 to 5 feet occasionally to 7 feet, then subsiding to
1 to 3 feet. 

$$

fzus63 kmqt 132001
glfls 
expires:202606140800;;690966

open lake forecast for lake superior
national weather service marquette mi
401 pm edt sat jun 13 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 29.6 inch trough is currently moving across lake superior this 
afternoon and is followed by a 29.7 inch trough sunday pm. weak 
ridging of 29.7 inches follows into monday, but another 29.7 inch 
trough moves through the lake late monday into tuesday. troughing of 
around 29.6 inches returns by late tuesday before a low of 29.4 
inches moves through the great lakes region wednesday night and 
thursday. 




lsz162-140800-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
401 pm edt sat jun 13 2026 /301 pm cdt sat jun 13 2026/

.late this afternoon...west winds 15 to 25 knots. waves 2 to
4 feet subsiding to 1 to 3 feet. 
.tonight...west winds 10 to 20 knots increasing to 15 to 25 knots
late. waves subsiding to calm to 2 feet. 
.sunday...west winds 15 to 25 knots. waves building to 1 to
3 feet. 
.sunday night...west winds 10 to 20 knots increasing to 15 to
25 knots late. waves subsiding to calm to 2 feet. 
.monday...west winds 15 to 25 knots diminishing to 10 to 20 knots
by mid afternoon. a chance of showers and a slight chance of
thunderstorms by mid afternoon. waves building to 2 to 4 feet,
then subsiding to calm to 2 feet. 
.monday night...west winds 5 to 15 knots veering north after
midnight. waves calm to 2 feet. 
.tuesday...southwest winds 5 to 15 knots backing south by mid
afternoon. waves calm to 2 feet. 
.tuesday night...south winds 5 to 15 knots veering southwest
after midnight. waves calm to 2 feet. 
.wednesday...east winds 5 to 15 knots becoming northeast 10 to
20 knots. a chance of rain showers. waves calm to 2 feet. 
.thursday...west winds 10 to 20 knots. waves calm to 2 feet. 

$$

fzus63 kmqt 132001
glfls 
expires:202606140800;;690971

open lake forecast for lake superior
national weather service marquette mi
401 pm edt sat jun 13 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 29.6 inch trough is currently moving across lake superior this 
afternoon and is followed by a 29.7 inch trough sunday pm. weak 
ridging of 29.7 inches follows into monday, but another 29.7 inch 
trough moves through the lake late monday into tuesday. troughing of 
around 29.6 inches returns by late tuesday before a low of 29.4 
inches moves through the great lakes region wednesday night and 
thursday. 




lsz267-140800-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
401 pm edt sat jun 13 2026

.late this afternoon...west winds 10 to 20 knots. waves 2 to
4 feet. 
.tonight...west winds 10 to 20 knots. waves 2 to 4 feet. 
.sunday...west winds 15 to 25 knots. waves 2 to 4 feet. 
.sunday night...west winds 10 to 20 knots backing southwest after
midnight, then veering west late. waves subsiding to calm to
2 feet, then building to 1 to 3 feet. 
.monday...west winds 10 to 20 knots diminishing to 5 to 15 knots
by mid afternoon. waves building to 2 to 4 feet, then subsiding
to 1 to 3 feet. 
.monday night...southwest winds 5 to 15 knots veering west after
midnight. waves subsiding to calm to 2 feet. 
.tuesday...west winds 5 to 15 knots veering northwest by mid
afternoon. waves calm to 2 feet. 
.tuesday night...southeast winds 5 to 15 knots veering south
after midnight. waves calm to 2 feet. 
.wednesday...southeast winds 5 to 15 knots becoming east 10 to
20 knots. a chance of rain showers. waves building to 1 to
3 feet. 
.thursday...northwest winds 15 to 25 knots becoming west 10 to
20 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 132001
glfls 
expires:202606140800;;690970

open lake forecast for lake superior
national weather service marquette mi
401 pm edt sat jun 13 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 29.6 inch trough is currently moving across lake superior this 
afternoon and is followed by a 29.7 inch trough sunday pm. weak 
ridging of 29.7 inches follows into monday, but another 29.7 inch 
trough moves through the lake late monday into tuesday. troughing of 
around 29.6 inches returns by late tuesday before a low of 29.4 
inches moves through the great lakes region wednesday night and 
thursday. 




lsz266-140800-
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-
401 pm edt sat jun 13 2026

.late this afternoon...west winds 20 to 30 knots. waves 3 to
5 feet occasionally to 7 feet. 
.tonight...west winds 15 to 25 knots. waves subsiding to 2 to
4 feet. 
.sunday...west winds 15 to 25 knots. waves 2 to 4 feet. 
.sunday night...southwest winds 10 to 20 knots veering west after
midnight, then increasing to 15 to 25 knots late. waves subsiding
to 1 to 3 feet, then building to 2 to 4 feet. 
.monday...west winds 10 to 20 knots backing southwest by mid
afternoon. waves subsiding to 1 to 3 feet. 
.monday night...southwest winds 10 to 20 knots becoming west 5 to
15 knots after midnight. waves subsiding to calm to 2 feet. 
.tuesday...west winds 5 to 15 knots backing east by mid
afternoon. waves calm to 2 feet. 
.tuesday night...south winds 5 to 15 knots. waves calm to 2 feet.
.wednesday...southeast winds 5 to 15 knots becoming east 15 to
25 knots. a chance of rain showers. waves building to 2 to
4 feet. 
.thursday...northwest winds 15 to 25 knots backing west. waves
building to 3 to 6 feet occasionally to 8 feet, then subsiding to
2 to 4 feet. 

$$

fzus63 kmqt 132001
glfls 
expires:202606140800;;690967

open lake forecast for lake superior
national weather service marquette mi
401 pm edt sat jun 13 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 29.6 inch trough is currently moving across lake superior this 
afternoon and is followed by a 29.7 inch trough sunday pm. weak 
ridging of 29.7 inches follows into monday, but another 29.7 inch 
trough moves through the lake late monday into tuesday. troughing of 
around 29.6 inches returns by late tuesday before a low of 29.4 
inches moves through the great lakes region wednesday night and 
thursday. 




lsz263-140800-
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-
401 pm edt sat jun 13 2026

.late this afternoon...west winds 15 to 25 knots. waves 3 to
5 feet occasionally to 7 feet subsiding to 2 to 4 feet. 
.tonight...west winds 10 to 20 knots. waves 2 to 4 feet. 
.sunday...west winds 15 to 25 knots. waves building to 3 to
5 feet occasionally to 7 feet. 
.sunday night...west winds 15 to 25 knots diminishing to 10 to
20 knots after midnight. waves subsiding to 2 to 4 feet. 
.monday...west winds 10 to 20 knots. a slight chance of showers
and thunderstorms by mid afternoon. waves subsiding to 1 to
3 feet. 
.monday night...west winds 5 to 15 knots veering north after
midnight. waves subsiding to calm to 2 feet. 
.tuesday...west winds 5 to 15 knots backing southwest by mid
afternoon. waves calm to 2 feet. 
.tuesday night...south winds 5 to 15 knots diminishing to less
than 10 knots after midnight. waves calm to 2 feet. 
.wednesday...east winds 5 to 15 knots backing northeast. a chance
of rain showers. waves calm to 2 feet. 
.thursday...west winds 5 to 15 knots. waves calm to 2 feet. 

$$