fzus61 kbuf 092002
glflo 
expires:202606100300;;460662

open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt tue jun 9 2026

for waters beyond five nautical miles of shore on lake ontario

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

.synopsis...a 30.2 inch high near the delmarva will track offshore 
this afternoon, where it will remain anchored through wednesday. 
meanwhile, a 29.8 inch low over lower michigan this afternoon will 
slowly track northeast into southeastern ontario by wednesday 
morning while sending an attendant warm front across the lake, then 
weakens while moving into southern quebec wednesday evening. another 
warm front will cross the lake thursday night in advance of a 29.7 
inch trough that will cross the lake later friday, which will also 
send an attendant cold front across the lake friday afternoon and 
evening. a 30.0 inch high will then ridge across the lake later 
friday night through sunday morning, before the next cold front 
crosses the lake later sunday or sunday night.


loz062-100300-
lake ontario open waters from the niagara river to hamlin beach-
402 pm edt tue jun 9 2026

.tonight...southeast winds 5 to 15 knots. a chance of showers and
thunderstorms early, then showers with a chance of thunderstorms
from late evening on. waves 1 foot or less. 
.wednesday...south winds 10 to 15 knots becoming southwest.
showers likely with a chance of thunderstorms early, then a
chance of showers and thunderstorms late in the morning. waves
2 feet or less. 
.wednesday night...west winds 5 to 15 knots becoming southwest.
showers likely with a chance of thunderstorms overnight. waves
1 to 2 feet. 
.thursday...southwest winds 5 to 15 knots. showers likely. waves
1 to 2 feet. 
.thursday night...southwest winds 5 to 15 knots. waves 1 to
2 feet. 
.friday...southwest winds 15 to 20 knots becoming west 5 to
15 knots. showers likely with a chance of thunderstorms. waves
1 to 3 feet. 
.saturday...west winds 5 to 15 knots becoming southwest. waves
1 to 2 feet. 
.sunday...southwest winds 5 to 10 knots becoming west. a chance
of showers. waves 1 to 2 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 092002
glflo 
expires:202606100300;;460663

open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt tue jun 9 2026

for waters beyond five nautical miles of shore on lake ontario

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

.synopsis...a 30.2 inch high near the delmarva will track offshore 
this afternoon, where it will remain anchored through wednesday. 
meanwhile, a 29.8 inch low over lower michigan this afternoon will 
slowly track northeast into southeastern ontario by wednesday 
morning while sending an attendant warm front across the lake, then 
weakens while moving into southern quebec wednesday evening. another 
warm front will cross the lake thursday night in advance of a 29.7 
inch trough that will cross the lake later friday, which will also 
send an attendant cold front across the lake friday afternoon and 
evening. a 30.0 inch high will then ridge across the lake later 
friday night through sunday morning, before the next cold front 
crosses the lake later sunday or sunday night.


loz063>065-100300-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 pm edt tue jun 9 2026

.tonight...east winds 10 to 15 knots becoming southeast 10 knots
or less. a chance of showers and thunderstorms early, then
showers likely with a chance of thunderstorms from late evening
on. waves 1 foot or less. 
.wednesday...south winds 5 to 15 knots becoming southwest.
showers likely with a chance of thunderstorms. waves 2 feet or
less. 
.wednesday night...southwest winds 5 to 10 knots. a chance of
showers and thunderstorms in the evening, then showers likely
with a chance of thunderstorms overnight. waves 2 feet or less. 
.thursday...southwest winds 5 to 10 knots. showers likely with a
chance of thunderstorms in the morning, then a chance of showers
and thunderstorms in the afternoon. waves 2 feet or less. 
.thursday night...southwest winds 10 knots or less. a chance of
showers and thunderstorms in the evening. waves 2 feet or less. 
.friday...south winds 5 to 15 knots becoming west. showers with a
chance of thunderstorms. waves 1 foot or less building to 1 to
3 feet. 
.saturday...west winds 5 to 15 knots becoming southwest. waves
1 to 2 feet. 
.sunday...southwest winds 5 to 15 knots becoming west. a chance
of showers. waves 1 to 2 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 091943
glfle 
expires:202606100215;;460077

open lake forecast for lake erie
national weather service cleveland oh
343 pm edt tue jun 9 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 trough averaging 29.80 inches will persist over the area through
thursday. low pressure 29.50 inches will track east across the
great lakes on thursday and extend a cold front east through the
area on friday. weak high pressure 30.00 inches will build over
the region on saturday.


lez162>164-100215-
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-
343 pm edt tue jun 9 2026

.tonight...south winds around 10 knots becoming southwest.
showers likely with a chance of thunderstorms this evening, then
a chance of showers and thunderstorms after midnight. waves 1 to
2 feet. 
.wednesday...southwest winds 5 to 10 knots. a slight chance of
showers and thunderstorms in the afternoon. waves 2 feet or less.
.wednesday night...southwest winds 10 to 15 knots. a chance of
showers and thunderstorms overnight. waves 2 feet or less. 
.thursday...southwest winds 10 to 15 knots. a chance of showers
and thunderstorms in the morning. waves 1 to 2 feet. 
.thursday night...southwest winds 10 to 15 knots increasing to
15 to 20 knots. a chance of showers and thunderstorms. waves 1 to
3 feet. 
.friday...west winds 15 to 20 knots diminishing to 10 to
15 knots. waves 1 to 3 feet. 
.saturday...west winds 5 to 15 knots becoming southwest. waves
1 to 2 feet. 
.sunday...southwest winds 10 to 15 knots becoming northeast. a
chance of showers. waves 2 feet or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 091943
glfle 
expires:202606100215;;460078

open lake forecast for lake erie
national weather service cleveland oh
343 pm edt tue jun 9 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 trough averaging 29.80 inches will persist over the area through
thursday. low pressure 29.50 inches will track east across the
great lakes on thursday and extend a cold front east through the
area on friday. weak high pressure 30.00 inches will build over
the region on saturday.


lez165>167-100215-
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-
343 pm edt tue jun 9 2026

.tonight...south winds 10 to 15 knots becoming southwest. a
chance of showers and thunderstorms through the early overnight,
then a chance of showers with a slight chance of thunderstorms
late. waves 1 to 3 feet. 
.wednesday...southwest winds 5 to 15 knots. a slight chance of
showers and thunderstorms early, then a slight chance of showers
late in the morning. a slight chance of showers and thunderstorms
late. waves 1 to 3 feet. 
.wednesday night...southwest winds 5 to 15 knots. a chance of
showers and thunderstorms. waves 1 to 3 feet. 
.thursday...southwest winds 10 to 15 knots. showers likely with a
chance of thunderstorms in the morning, then a chance of showers
in the afternoon. waves 1 to 3 feet. 
.thursday night...southwest winds 5 to 15 knots increasing to
15 to 20 knots. a chance of showers. waves 1 to 3 feet. 
.friday...southwest winds 15 to 20 knots becoming west 10 to
15 knots. a chance of showers and thunderstorms during the day.
waves 2 to 4 feet. 
.saturday...west winds 5 to 15 knots becoming southwest. waves
1 to 2 feet. 
.sunday...southwest winds 5 to 15 knots becoming northeast. a
chance of showers. waves 1 to 2 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 091943
glfle 
expires:202606100215;;460079

open lake forecast for lake erie
national weather service cleveland oh
343 pm edt tue jun 9 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 trough averaging 29.80 inches will persist over the area through
thursday. low pressure 29.50 inches will track east across the
great lakes on thursday and extend a cold front east through the
area on friday. weak high pressure 30.00 inches will build over
the region on saturday.


lez061-168-169-100215-
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-
343 pm edt tue jun 9 2026

.tonight...southeast winds 5 to 10 knots becoming south. showers
likely with a chance of thunderstorms early, then a chance of
showers and thunderstorms from late evening on. waves 2 feet or
less. 
.wednesday...southwest winds 10 to 15 knots. a chance of showers
with a slight chance of thunderstorms in the morning. waves 1 to
2 feet. 
.wednesday night...southwest winds 5 to 15 knots. a chance of
showers and thunderstorms. waves 1 to 3 feet. 
.thursday...southwest winds 10 to 15 knots. showers likely in the
morning, then a chance of showers in the afternoon. waves 1 to
3 feet. 
.thursday night...southwest winds 5 to 15 knots. a chance of
showers overnight. waves 1 to 3 feet. 
.friday...southwest winds 5 to 15 knots becoming west. showers
likely with a chance of thunderstorms during the day. waves 1 to
3 feet. 
.saturday...west winds 5 to 10 knots becoming southwest. waves
1 to 2 feet. 
.sunday...southwest winds 5 to 10 knots becoming north. a chance
of showers. waves 1 to 2 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 091954
glfsc 
expires:202606100400;;460351

lake st clair forecast
national weather service detroit/pontiac mi
354 pm edt tue jun 9 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...a weak low pressure system, 29.80 inches, will track
across lower mi through tonight, bringing scattered to numerous
showers and thunderstorms. a warm and stormy pattern is forecast
late wednesday into thursday ahead of the next cold front
thursday night.


lcz460-100400-
lake st clair-
354 pm edt tue jun 9 2026

.tonight...south winds 10 to 15 knots becoming southwest 5 to 10
knots in the late evening and overnight. partly cloudy becoming
mostly cloudy late this evening becoming partly cloudy. light
showers likely early in the evening. a chance of thunderstorms in
the evening. a chance of light showers by midnight. waves 2 feet or
less.
.wednesday...southwest winds 5 to 10 knots. partly sunny. waves 2
feet or less.
.wednesday night...southwest winds 5 to 10 knots increasing to 10 to
15 knots in the late evening and overnight. partly cloudy. light
showers likely after midnight. waves 2 feet or less.
.thursday...southwest winds 10 to 15 knots. partly sunny. light
showers likely early in the morning. waves 2 feet or less.
.thursday night...southwest winds 5 to 10 knots increasing to 15 to
20 knots in the late evening and overnight. partly cloudy with a
chance of light showers. waves 1 to 3 feet.
.friday...west winds 15 to 20 knots diminishing to 10 to 15 knots in
the afternoon and evening. partly sunny becoming mostly sunny in the
afternoon becoming clear. waves 1 to 3 feet.
.saturday...west winds 10 to 15 knots. clear. waves 2 feet or less.
.sunday...north winds 10 to 15 knots. partly cloudy. a chance of
showers. waves 2 feet or less.

$$

fzus63 kdtx 091953
glflh 
expires:202606100400;;460348

open lake forecast for lake huron
national weather service detroit/pontiac mi
353 pm edt tue jun 9 2026

for waters beyond five nautical miles off shore on lake huron

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

.synopsis...a weak low pressure system, 29.80 inches, will track
across lower mi through tonight, bringing scattered to numerous
showers and thunderstorms. a warm and stormy pattern is forecast
late wednesday into thursday ahead of the next cold front
thursday night.


lhz462>464-100400-
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-
353 pm edt tue jun 9 2026

.tonight...southeast winds 10 to 15 knots decreasing to 5 to
10 knots by midnight...then veering to the southwest early in the
morning. a chance of showers and thunderstorms in the evening...
then a chance of showers after midnight. patchy fog in the
evening. areas of fog after midnight. waves 1 to 3 feet. 
.wednesday...west winds 5 to 10 knots in the morning becoming
light and variable...then becoming east 5 to 10 knots late in the
afternoon. patchy fog in the morning. waves 2 feet or less. 
.wednesday night...southeast winds 5 to 10 knots becoming south
10 to 15 knots after midnight. patchy fog in the evening. a 
chance of showers and thunderstorms. waves 2 feet or less. 
.thursday...southwest winds 10 to 15 knots decreasing to 5 to
10 knots early in the afternoon. a chance of showers in the
morning. waves 1 to 3 feet. 
.thursday night...southeast winds 5 to 10 knots increasing to
10 to 15 knots by midnight...then becoming south 15 to 20 knots
after midnight. a chance of showers. waves 1 to 3 feet building
to 2 to 4 feet after midnight. 
.friday...southwest winds 15 to 20 knots becoming west 10 to
15 knots. waves 2 to 4 feet. 
.saturday...west winds 10 to 15 knots becoming southwest 5 to
10 knots in the late morning and early afternoon...then
increasing to 10 to 15 knots. a chance of showers by midnight. 
waves 1 to 3 feet. 
.sunday...west winds 5 to 10 knots. a chance of showers until
afternoon. waves 1 to 3 feet. 


$$

fzus63 kdtx 091953
glflh 
expires:202606100400;;460347

open lake forecast for lake huron
national weather service detroit/pontiac mi
353 pm edt tue jun 9 2026

for waters beyond five nautical miles off shore on lake huron

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

.synopsis...a weak low pressure system, 29.80 inches, will track
across lower mi through tonight, bringing scattered to numerous
showers and thunderstorms. a warm and stormy pattern is forecast
late wednesday into thursday ahead of the next cold front
thursday night.


lhz362-363-100400-
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-
353 pm edt tue jun 9 2026

.tonight...east winds 5 to 10 knots. a chance of showers and
thunderstorms in the evening...then a chance of showers after
midnight. patchy fog in the evening. areas of fog after midnight.
waves 1 to 3 feet. 
.wednesday...west winds 5 to 10 knots backing to the southeast
late in the afternoon. areas of fog in the morning. waves 2 feet 
or less. 
.wednesday night...southeast winds 5 to 10 knots becoming south
10 to 15 knots in the late evening and overnight. patchy fog in
the evening. a chance of showers and thunderstorms after
midnight. waves 1 to 3 feet building to 2 to 4 feet after
midnight. 
.thursday...south winds 10 to 15 knots becoming southwest 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. 
.thursday night...east winds 5 to 10 knots becoming southeast
10 to 15 knots by midnight...then becoming south 15 to 20 knots
after midnight. showers likely and a chance of thunderstorms in
the evening...then showers likely after midnight. waves 1 to
3 feet building to 3 to 5 feet in the late evening and overnight.
.friday...southwest winds 15 to 20 knots becoming west 10 to
15 knots late in the morning...then decreasing to west late in
the evening. waves 3 to 5 feet subsiding to 2 to 4 feet late in
the evening. 
.saturday...southwest winds 10 to 15 knots. a chance of showers
by midnight. waves 1 to 3 feet building to 2 to 4 feet. 
.sunday...west winds 10 to 15 knots becoming northwest 5 to
10 knots. a chance of showers until afternoon. waves 2 to 4 feet.


$$

fzus63 kdtx 091953
glflh 
expires:202606100400;;460346

open lake forecast for lake huron
national weather service detroit/pontiac mi
353 pm edt tue jun 9 2026

for waters beyond five nautical miles off shore on lake huron

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

.synopsis...a weak low pressure system, 29.80 inches, will track
across lower mi through tonight, bringing scattered to numerous
showers and thunderstorms. a warm and stormy pattern is forecast
late wednesday into thursday ahead of the next cold front
thursday night.


lhz361-100400-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
353 pm edt tue jun 9 2026

.tonight...east winds 5 to 10 knots in the evening becoming light
and variable...then becoming north 5 to 10 knots early in the
morning. a chance of showers. areas of fog after midnight. waves 
1 to 3 feet. 
.wednesday...west winds 5 to 10 knots. areas of fog in the 
morning. waves 2 feet or less. 
.wednesday night...north winds 5 to 10 knots becoming southeast
10 to 15 knots by midnight...then decreasing to 5 to 10 knots
after midnight. a chance of thunderstorms in the evening...then a
chance of showers and thunderstorms after midnight. patchy fog
after midnight. waves 2 feet or less. 
.thursday...south winds 5 to 10 knots becoming west 10 to
15 knots in the late morning and early afternoon...then
decreasing to 5 to 10 knots early in the afternoon. waves 1 to
3 feet. 
.thursday night...south winds 5 to 10 knots becoming southeast
10 to 15 knots by midnight...then increasing to 15 to 20 knots
after midnight. showers and a chance of thunderstorms. waves
2 feet or less building to 3 to 5 feet in the late evening and
overnight. 
.friday...southwest winds 15 to 20 knots becoming west 5 to
10 knots. waves 3 to 5 feet subsiding to 1 to 3 feet late in the
evening. 
.saturday...west winds 10 to 15 knots. a chance of showers. waves
2 to 4 feet subsiding to 1 to 3 feet by midnight. 
.sunday...northwest winds 10 to 15 knots. a chance of showers
early in the morning. waves 1 to 3 feet building to 2 to 4 feet.


$$

fzus63 kmkx 091947
glflm 
expires:202606100330;;460134

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
247 pm cdt tue jun 9 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...

marine dense fog currently exists over the northern half to two 
thirds of lake michigan. models project this fog to gradually 
spread to encompass the entirety of the lake tonight as a surface 
warm front approaches the lake. a marine dense fog advisory has 
been preemptively issued for the fog potential late this afternoon
and into tonight.

generally light northerly winds will continue through this 
afternoon and into tonight, until the warm front lifts north over 
the lake around midnight cdt and flips winds around to southerly 
and southeasterly. winds will then remain southeasterly through 
wednesday as low pressure of 29.3 inches approaches from the 
northern plains. the winds may become moderately breezy late 
wednesday afternoon into the evening. thunderstorms are expected 
over the lake at times on wednesday, with some strong storms 
favored wednesday afternoon and night.

winds come around to southwesterly wednesday night into
thursday, with winds then returning to southeasterly ahead of an
approaching cold front on thursday, with additional storms
possible.


lmz261-362-364-366-563-565-567-868-100330-
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-
247 pm cdt tue jun 9 2026

sheboygan wi to pentwater mi north...

...dense fog advisory in effect until 10 am cdt wednesday...

.tonight...north winds 10 to 15 kt diminishing to 5 to 10 kt late
this evening, then becoming northwest after midnight becoming
west late. isolated showers this evening. patchy fog this
evening, then widespread dense fog overnight. waves 1 to 2 ft. 
.wednesday...south winds 5 to 10 kt becoming southeast 10 to
20 kt. areas of dense fog in the morning, then patchy fog in the
afternoon. slight chance of showers in the morning, then chance
of showers and slight chance of thunderstorms in the afternoon.
waves 1 to 2 ft building to 3 to 5 ft. 
.wednesday night...southeast winds 15 to 25 kt becoming southwest
10 to 20 kt. patchy dense fog in the evening. chance of showers
and thunderstorms. waves 4 to 6 ft occasionally to 8 ft. 
.thursday...southwest winds 10 to 20 kt becoming south. chance of
showers in the afternoon. waves 3 to 5 ft subsiding to 2 to 4 ft.
.thursday night...south winds to 30 kt becoming southwest.
showers with a chance of thunderstorms in the evening, then
showers overnight. waves 4 to 6 ft occasionally to 8 ft. 
.friday...southwest winds 15 to 25 kt increasing to 30 kt. waves
4 to 6 ft occasionally to 8 ft. 
.friday night...southwest winds 15 to 25 kt diminishing to 10 to
20 kt. waves 2 to 4 ft. 
.saturday...southwest winds 15 to 25 kt. waves 3 to 5 ft. 
.sunday...north winds 10 to 20 kt becoming northwest. waves 1 to
3 ft.  

$$

fzus63 kmkx 091947
glflm 
expires:202606100330;;460135

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
247 pm cdt tue jun 9 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...

marine dense fog currently exists over the northern half to two 
thirds of lake michigan. models project this fog to gradually 
spread to encompass the entirety of the lake tonight as a surface 
warm front approaches the lake. a marine dense fog advisory has 
been preemptively issued for the fog potential late this afternoon
and into tonight.

generally light northerly winds will continue through this 
afternoon and into tonight, until the warm front lifts north over 
the lake around midnight cdt and flips winds around to southerly 
and southeasterly. winds will then remain southeasterly through 
wednesday as low pressure of 29.3 inches approaches from the 
northern plains. the winds may become moderately breezy late 
wednesday afternoon into the evening. thunderstorms are expected 
over the lake at times on wednesday, with some strong storms 
favored wednesday afternoon and night.

winds come around to southwesterly wednesday night into
thursday, with winds then returning to southeasterly ahead of an
approaching cold front on thursday, with additional storms
possible.


lmz080-669-671-673-675-777-779-870-872-874-876-878-100330-
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-
247 pm cdt tue jun 9 2026

sheboygan wi to pentwater mi south...

...dense fog advisory in effect until 10 am cdt wednesday...

.tonight...north winds 5 to 10 kt veering to south. areas of
dense fog. slight chance of thunderstorms with isolated showers
this evening, then chance of showers and thunderstorms overnight.
waves 1 ft or less. 
.wednesday...southeast winds 10 to 15 kt becoming south 15 to
25 kt. areas of dense fog in the morning. slight chance of
showers and thunderstorms in the morning, then chance of showers
and slight chance of thunderstorms in the afternoon. waves 1 to
2 ft building to 3 to 5 ft. 
.wednesday night...south winds 15 to 25 kt becoming southwest
10 to 20 kt. chance of showers and thunderstorms in the evening,
then showers likely with a chance of thunderstorms overnight.
waves 4 to 6 ft occasionally to 8 ft. 
.thursday...southwest winds 10 to 20 kt becoming southeast 15 to
25 kt. chance of showers and thunderstorms in the afternoon.
waves 3 to 5 ft subsiding to 2 to 4 ft. 
.thursday night...south winds to 30 kt becoming west. showers
with a chance of thunderstorms in the evening, then showers
overnight. waves 4 to 6 ft occasionally to 8 ft. 
.friday...west winds 10 to 20 kt becoming southwest. waves 4 to
6 ft occasionally to 8 ft subsiding to 2 to 4 ft. 
.friday night...west winds 10 to 20 kt becoming southwest. waves
2 to 4 ft. 
.saturday...southwest winds 10 to 20 kt becoming south 15 to
25 kt. waves 3 to 5 ft. 
.sunday...north winds 10 to 20 kt. waves 2 to 4 ft.  

$$

fzus63 kmqt 092001
glfls 
expires:202606100800;;460557

open lake forecast for lake superior
national weather service marquette mi
401 pm edt tue jun 9 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... 

weak ridging gives way to pressure falls to around 29.8 inches over 
lake superior through this evening as troughing over the northern 
plains deepens to 29.4 inches. pressure over the lake continues to 
deepen to around 29.5 inches by late wednesday as the low tracks 
northeast along the manitoba/ontario border at 29.3 inches wednesday 
evening. pressure holds around 29.6 inches over lake superior until 
late thursday when another colorado low lifts into the upper great 
lakes at around 29.5 inches. weak ridging of 30.0 inches returns to 
lake superior late in the weekend.




lsz264-100800-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
401 pm edt tue jun 9 2026

...dense fog advisory in effect until 11 am edt wednesday...

.late this afternoon...east winds less than 10 knots. areas of
dense fog. waves calm to 2 feet. 
.tonight...east winds 5 to 15 knots veering southeast after
midnight, then backing east late. areas of dense fog. waves calm
to 2 feet. 
.wednesday...southeast winds 5 to 15 knots increasing to 15 to
25 knots. areas of dense fog. a chance of showers and a slight
chance of thunderstorms by mid afternoon. waves building to 3 to
5 feet occasionally to 7 feet. 
.wednesday night...southeast winds 15 to 25 knots becoming south
10 to 20 knots after midnight, then veering southwest late. a
chance of thunderstorms through midnight. a chance of showers.
waves subsiding to 2 to 4 feet. 
.thursday...southwest winds 10 to 20 knots increasing to 15 to
25 knots by mid afternoon. a slight chance of showers by mid
afternoon. waves building to 3 to 5 feet occasionally to 7 feet,
then subsiding to 2 to 4 feet. 
.thursday night...southwest winds 10 to 20 knots becoming west
15 to 25 knots after midnight. showers likely. waves building to
3 to 6 feet occasionally to 8 feet. 
.friday...southwest winds 20 to 30 knots. waves building to 4 to
7 feet occasionally to 9 feet, then subsiding to 3 to 6 feet
occasionally to 8 feet. 
.friday night...west winds 15 to 25 knots. waves subsiding to
2 to 4 feet, then building to 3 to 5 feet occasionally to 7 feet.
.saturday...west winds 15 to 25 knots diminishing to 10 to
20 knots. waves subsiding to 1 to 3 feet. 
.sunday...west winds 10 to 20 knots diminishing to 5 to 15 knots.
waves subsiding to calm to 2 feet. 

$$

fzus63 kmqt 092001
glfls 
expires:202606100800;;460558

open lake forecast for lake superior
national weather service marquette mi
401 pm edt tue jun 9 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... 

weak ridging gives way to pressure falls to around 29.8 inches over 
lake superior through this evening as troughing over the northern 
plains deepens to 29.4 inches. pressure over the lake continues to 
deepen to around 29.5 inches by late wednesday as the low tracks 
northeast along the manitoba/ontario border at 29.3 inches wednesday 
evening. pressure holds around 29.6 inches over lake superior until 
late thursday when another colorado low lifts into the upper great 
lakes at around 29.5 inches. weak ridging of 30.0 inches returns to 
lake superior late in the weekend.




lsz265-100800-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
401 pm edt tue jun 9 2026

...dense fog advisory in effect until 11 am edt wednesday...

.late this afternoon...east winds 5 to 15 knots. areas of dense
fog. waves calm to 2 feet. 
.tonight...east winds 5 to 15 knots veering southeast after
midnight. areas of dense fog. waves calm to 2 feet. 
.wednesday...southeast winds 10 to 20 knots increasing to 20 to
30 knots. areas of dense fog through early afternoon, then patchy
fog by mid afternoon. a slight chance of showers and
thunderstorms by mid afternoon. waves building to 3 to 6 feet
occasionally to 8 feet. 
.wednesday night...southeast winds 15 to 25 knots veering
southwest late. a chance of thunderstorms through midnight. a
chance of showers. waves subsiding to 1 to 3 feet. 
.thursday...west winds 10 to 20 knots backing south by mid
afternoon. a chance of showers by mid afternoon. waves subsiding
to calm to 2 feet. 
.thursday night...south winds 10 to 20 knots becoming west 15 to
25 knots after midnight. showers likely through midnight, then a
chance of showers after midnight. waves building to 2 to 4 feet. 
.friday...west winds 20 to 30 knots. waves building to 3 to
5 feet occasionally to 7 feet, then subsiding to 2 to 4 feet. 
.friday night...west winds 15 to 25 knots. waves subsiding to
1 to 3 feet. 
.saturday...west winds 15 to 25 knots. waves building to 2 to
4 feet, then subsiding to 1 to 3 feet. 
.sunday...west winds 15 to 25 knots diminishing to 10 to
20 knots. waves subsiding to calm to 2 feet. 

$$

fzus63 kmqt 092001
glfls 
expires:202606100800;;460555

open lake forecast for lake superior
national weather service marquette mi
401 pm edt tue jun 9 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... 

weak ridging gives way to pressure falls to around 29.8 inches over 
lake superior through this evening as troughing over the northern 
plains deepens to 29.4 inches. pressure over the lake continues to 
deepen to around 29.5 inches by late wednesday as the low tracks 
northeast along the manitoba/ontario border at 29.3 inches wednesday 
evening. pressure holds around 29.6 inches over lake superior until 
late thursday when another colorado low lifts into the upper great 
lakes at around 29.5 inches. weak ridging of 30.0 inches returns to 
lake superior late in the weekend.




lsz162-100800-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
401 pm edt tue jun 9 2026 /301 pm cdt tue jun 9 2026/

...dense fog advisory in effect until 11 am edt /10 am cdt/
wednesday...

.late this afternoon...northeast winds 5 to 15 knots. areas of
dense fog. waves calm to 2 feet. 
.tonight...east winds 5 to 15 knots backing northeast after
midnight, then veering east late. areas of dense fog. a chance of
rain showers and a slight chance of thunderstorms after midnight.
waves calm to 2 feet. 
.wednesday...east winds 10 to 20 knots becoming northeast 15 to
25 knots in the afternoon, then becoming east 10 to 20 knots
late. patchy fog. a chance of showers and thunderstorms. waves
building to 1 to 3 feet. 
.wednesday night...east winds 5 to 15 knots becoming southwest
10 to 20 knots after midnight, then increasing to 15 to 25 knots
late. a chance of showers and thunderstorms through midnight.
waves 1 to 3 feet. 
.thursday...southwest winds 15 to 25 knots. a chance of showers
by mid afternoon. waves building to 3 to 5 feet occasionally to
7 feet, then subsiding to 2 to 4 feet. 
.thursday night...southwest winds 15 to 25 knots veering west
after midnight. a chance of showers. waves subsiding to 1 to
3 feet, then building to 2 to 4 feet. 
.friday...southwest winds 20 to 30 knots. waves building to 3 to
6 feet occasionally to 8 feet. 
.friday night...west winds 10 to 20 knots. waves subsiding to
1 to 3 feet. 
.saturday...west winds 15 to 25 knots diminishing to 10 to
20 knots. waves building to 2 to 4 feet, then subsiding to calm
to 2 feet. 
.sunday...west winds 10 to 20 knots diminishing to 5 to 15 knots.
waves building to 1 to 3 feet, then subsiding to calm to 2 feet. 

$$

fzus63 kmqt 092001
glfls 
expires:202606100800;;460560

open lake forecast for lake superior
national weather service marquette mi
401 pm edt tue jun 9 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... 

weak ridging gives way to pressure falls to around 29.8 inches over 
lake superior through this evening as troughing over the northern 
plains deepens to 29.4 inches. pressure over the lake continues to 
deepen to around 29.5 inches by late wednesday as the low tracks 
northeast along the manitoba/ontario border at 29.3 inches wednesday 
evening. pressure holds around 29.6 inches over lake superior until 
late thursday when another colorado low lifts into the upper great 
lakes at around 29.5 inches. weak ridging of 30.0 inches returns to 
lake superior late in the weekend.




lsz267-100800-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
401 pm edt tue jun 9 2026

...dense fog advisory in effect until 11 am edt wednesday...

.late this afternoon...northeast winds 5 to 15 knots. patchy fog.
a slight chance of showers. waves calm to 2 feet. 
.tonight...northeast winds 5 to 15 knots backing northwest late.
a slight chance of rain showers through midnight. areas of dense
fog through midnight, then widespread dense fog after midnight.
waves calm to 2 feet. 
.wednesday...west winds 5 to 15 knots backing southeast in the
afternoon, then increasing to 10 to 20 knots late. widespread
dense fog. waves calm to 2 feet. 
.wednesday night...southeast winds 10 to 20 knots increasing to
15 to 25 knots after midnight, then veering south late. a chance
of showers and a slight chance of thunderstorms. waves building
to 2 to 4 feet. 
.thursday...west winds 10 to 20 knots becoming southeast 5 to
15 knots by mid afternoon. waves subsiding to calm to 2 feet. 
.thursday night...southeast winds 10 to 20 knots becoming west
20 to 30 knots after midnight. showers. waves building to 3 to
5 feet occasionally to 7 feet. 
.friday...west winds 15 to 25 knots diminishing to 5 to 15 knots
by mid afternoon. waves building to 3 to 6 feet occasionally to
8 feet, then subsiding to 2 to 4 feet. 
.friday night...southwest winds 5 to 15 knots increasing to 10 to
20 knots after midnight. waves 2 to 4 feet. 
.saturday...west winds 10 to 20 knots. waves subsiding to 1 to
3 feet. 
.sunday...west winds 10 to 20 knots. waves building to 2 to
4 feet, then subsiding to 1 to 3 feet. 

$$

fzus63 kmqt 092001
glfls 
expires:202606100800;;460559

open lake forecast for lake superior
national weather service marquette mi
401 pm edt tue jun 9 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... 

weak ridging gives way to pressure falls to around 29.8 inches over 
lake superior through this evening as troughing over the northern 
plains deepens to 29.4 inches. pressure over the lake continues to 
deepen to around 29.5 inches by late wednesday as the low tracks 
northeast along the manitoba/ontario border at 29.3 inches wednesday 
evening. pressure holds around 29.6 inches over lake superior until 
late thursday when another colorado low lifts into the upper great 
lakes at around 29.5 inches. weak ridging of 30.0 inches returns to 
lake superior late in the weekend.




lsz266-100800-
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 tue jun 9 2026

...dense fog advisory in effect until 11 am edt wednesday...

.late this afternoon...northeast winds 5 to 15 knots. areas of
dense fog. waves calm to 2 feet. 
.tonight...east winds 5 to 15 knots. areas of dense fog through
midnight, then widespread dense fog after midnight. waves calm to
2 feet. 
.wednesday...southeast winds 10 to 20 knots increasing to 15 to
25 knots in the afternoon. areas of dense fog through early
afternoon. widespread dense fog by mid afternoon. a slight chance
of showers and thunderstorms by mid afternoon. waves building to
3 to 5 feet occasionally to 7 feet. 
.wednesday night...southeast winds 15 to 25 knots veering south
after midnight, then becoming southwest 10 to 20 knots late. a
chance of showers and thunderstorms. waves subsiding to 2 to
4 feet. 
.thursday...west winds 10 to 20 knots becoming southeast 5 to
15 knots by mid afternoon. a slight chance of showers by mid
afternoon. waves subsiding to 1 to 3 feet. 
.thursday night...southeast winds 15 to 25 knots veering west
after midnight. showers through midnight, then a chance of
showers after midnight. waves building to 3 to 5 feet
occasionally to 7 feet. 
.friday...west winds 20 to 30 knots diminishing to 15 to 25 knots
by mid afternoon. waves building to 3 to 6 feet occasionally to
8 feet. 
.friday night...southwest winds 10 to 20 knots becoming west
15 to 25 knots after midnight. waves subsiding to 2 to 4 feet. 
.saturday...west winds 15 to 25 knots. waves subsiding to 1 to
3 feet, then building to 2 to 4 feet. 
.sunday...west winds 10 to 20 knots. waves subsiding to 1 to
3 feet. 

$$

fzus63 kmqt 092001
glfls 
expires:202606100800;;460556

open lake forecast for lake superior
national weather service marquette mi
401 pm edt tue jun 9 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... 

weak ridging gives way to pressure falls to around 29.8 inches over 
lake superior through this evening as troughing over the northern 
plains deepens to 29.4 inches. pressure over the lake continues to 
deepen to around 29.5 inches by late wednesday as the low tracks 
northeast along the manitoba/ontario border at 29.3 inches wednesday 
evening. pressure holds around 29.6 inches over lake superior until 
late thursday when another colorado low lifts into the upper great 
lakes at around 29.5 inches. weak ridging of 30.0 inches returns to 
lake superior late in the weekend.




lsz263-100800-
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 tue jun 9 2026

...dense fog advisory in effect until 11 am edt wednesday...

.late this afternoon...northeast winds 5 to 15 knots. areas of
dense fog. waves calm to 2 feet. 
.tonight...east winds 5 to 15 knots. areas of dense fog. waves
calm to 2 feet. 
.wednesday...east winds 5 to 15 knots increasing to 10 to
20 knots in the afternoon. patchy fog. a chance of showers and
thunderstorms. waves building to 2 to 4 feet. 
.wednesday night...southeast winds 10 to 20 knots veering
southwest after midnight. showers likely and a chance of
thunderstorms through midnight. waves building to 3 to 5 feet
occasionally to 7 feet, then subsiding to 2 to 4 feet. 
.thursday...southwest winds 15 to 25 knots. a chance of showers
by mid afternoon. waves 3 to 5 feet occasionally to 7 feet. 
.thursday night...southwest winds 10 to 20 knots becoming west
20 to 30 knots after midnight. showers likely through midnight,
then a chance of showers after midnight. waves subsiding to 2 to
4 feet, then building to 3 to 6 feet occasionally to 8 feet. 
.friday...southwest winds 20 to 30 knots. waves building to 4 to
7 feet occasionally to 9 feet, then subsiding to 3 to 6 feet
occasionally to 8 feet. 
.friday night...west winds 15 to 25 knots. waves subsiding to
2 to 4 feet, then building to 3 to 5 feet occasionally to 7 feet.
.saturday...west winds 15 to 25 knots diminishing to 10 to
20 knots. waves subsiding to 1 to 3 feet. 
.sunday...west winds 10 to 20 knots. waves building to 2 to
4 feet, then subsiding to calm to 2 feet. 

$$