fzus61 kbuf 301724
glflo 
expires:202606302115;;175323

open lake forecast for lake ontario
national weather service buffalo ny
124 pm edt tue jun 30 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 warm front will cross the lake today, then a 30.1 inch 
high will build into the ohio valley and mid atlantic by wednesday, 
where it will remain through at least thursday. a weak 29.9 inch 
trough will then approach and cross the lake friday into saturday.


loz062-302115-
lake ontario open waters from the niagara river to hamlin beach-
124 pm edt tue jun 30 2026

.this afternoon...south winds 5 to 15 knots. waves 2 feet or less.
.tonight...southwest winds 10 to 15 knots. waves 1 to 3 feet. 
.wednesday...southwest winds 10 to 15 knots. waves 1 to 3 feet. 
.wednesday night...southwest winds 10 to 15 knots. showers likely
with a chance of thunderstorms in the evening. waves 1 to 3 feet.
.thursday...southwest winds 10 to 15 knots becoming west. waves
1 to 3 feet. 
.friday...west winds 5 to 10 knots becoming southwest. a chance
of showers and thunderstorms. waves 1 to 2 feet. 
.saturday...west winds 10 knots or less becoming north. a chance
of showers and thunderstorms during the day, then a chance of
showers saturday night. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 301724
glflo 
expires:202606302115;;175324

open lake forecast for lake ontario
national weather service buffalo ny
124 pm edt tue jun 30 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 warm front will cross the lake today, then a 30.1 inch 
high will build into the ohio valley and mid atlantic by wednesday, 
where it will remain through at least thursday. a weak 29.9 inch 
trough will then approach and cross the lake friday into saturday.


loz063>065-302115-
lake ontario open waters from hamlin beach to the saint lawrence
river-
124 pm edt tue jun 30 2026

...severe thunderstorm watch 423 in effect until 8 pm edt this
evening...

.this afternoon...south winds 5 to 10 knots. a chance of showers
and thunderstorms. some thunderstorms may be severe with strong
winds and large hail. waves 1 foot or less. 
.tonight...south winds 5 to 10 knots becoming southwest. waves
2 feet or less. 
.wednesday...southwest winds 5 to 15 knots becoming west. waves
1 to 2 feet. 
.wednesday night...southwest winds 5 to 15 knots. a chance of
showers and thunderstorms in the evening. waves 1 to 3 feet. 
.thursday...southwest winds 10 to 15 knots becoming west. waves
1 to 3 feet. 
.friday...west winds 5 to 15 knots. a chance of showers and
thunderstorms friday night. waves 1 to 2 feet. 
.saturday...west winds 10 knots or less becoming north. a chance
of showers and thunderstorms. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 301958
glfle 
expires:202607010215;;183102

open lake forecast for lake erie
national weather service cleveland oh
358 pm edt tue jun 30 2026

for waters beyond five nautical miles of shore on lake erie

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

.synopsis...
a ridge averaging 30.00 inches will remain over the area through 
friday. a weak trough averaging 29.90 inches will enter on friday 
night into saturday.


lez061-165>169-010215-
ripley to buffalo ny extending from 5nm 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-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-
358 pm edt tue jun 30 2026

.tonight...southwest winds 5 to 15 knots. a slight chance of
showers after midnight. waves 1 to 3 feet. 
.wednesday...southwest winds 10 to 15 knots. waves 1 to 3 feet. 
.wednesday night...southwest winds 5 to 10 knots. waves 1 to
3 feet. 
.thursday...southwest winds 10 to 15 knots. waves 1 to 2 feet. 
.thursday night...southwest winds 5 to 15 knots. waves 1 to
2 feet. 
.friday...southwest winds 5 to 10 knots. a chance of showers and
thunderstorms friday night. waves 2 feet or less. 
.saturday...west winds 5 to 10 knots becoming northeast. a chance
of showers and thunderstorms. waves 1 foot or less. 
.sunday...northeast winds 5 to 10 knots. a chance of showers.
waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 301958
glfle 
expires:202607010215;;183101

open lake forecast for lake erie
national weather service cleveland oh
358 pm edt tue jun 30 2026

for waters beyond five nautical miles of shore on lake erie

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

.synopsis...
a ridge averaging 30.00 inches will remain over the area through 
friday. a weak trough averaging 29.90 inches will enter on friday 
night into saturday.


lez162>164-010215-
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-
358 pm edt tue jun 30 2026

.tonight...southwest winds 10 to 15 knots. waves 1 to 2 feet. 
.wednesday...southwest winds 5 to 10 knots. waves 2 feet or less.
.wednesday night...southwest winds around 10 knots. waves around
1 foot. 
.thursday...southwest winds 10 to 15 knots. waves 1 to 2 feet. 
.thursday night...southwest winds 5 to 15 knots. waves 2 feet or
less. 
.friday...southwest winds 5 to 10 knots becoming west. a chance
of showers and thunderstorms. waves 1 foot or less. 
.saturday...west winds 5 to 10 knots becoming northeast. showers
likely with a chance of thunderstorms during the day, then a
chance of showers and thunderstorms saturday night. waves 1 foot
or less. 
.sunday...northeast winds 5 to 10 knots. a chance of showers and
thunderstorms during the day, then a chance of showers sunday
night. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 301343
glfsc 
expires:202606302145;;167175

lake st clair forecast
national weather service detroit/pontiac mi
943 am edt tue jun 30 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 warm front lifts across the region through tuesday.
a hot and humid air mass then takes residence through the week
with modest south to southwest winds. the central great lakes
will largely remain dry and stable through thursday. however, the
prevailing storm track directed over the northern great lakes may
bring occasional rounds of storms to northern lake huron.


lcz460-302145-
lake st clair-
943 am edt tue jun 30 2026

.rest of today...southwest winds 10 to 15 knots. mostly sunny. waves
2 feet or less.
.tonight...southwest winds 10 to 15 knots. clear. waves 2 feet or
less.
.wednesday...southwest winds 10 to 15 knots. sunny. waves 2 feet or
less.
.wednesday night...southwest winds 10 to 15 knots. clear. waves 2
feet or less.
.thursday...southwest winds 10 to 15 knots. sunny becoming mostly
clear. waves 2 feet or less.
.friday...west winds 5 to 10 knots. partly cloudy. showers likely
and a chance of thunderstorms. waves 2 feet or less.
.saturday...north winds 10 to 15 knots. partly cloudy. a chance of
showers and thunderstorms. waves 2 feet or less.

$$

fzus63 kdtx 301340
glflh 
expires:202606302145;;167146

open lake forecast for lake huron
national weather service detroit/pontiac mi
940 am edt tue jun 30 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 warm front lifts across the region through tuesday.
a hot and humid air mass then takes residence through the week
with modest south to southwest winds. the central great lakes
will largely remain dry and stable through thursday. however, the
prevailing storm track directed over the northern great lakes may
bring occasional rounds of storms to northern lake huron.


lhz462>464-302145-
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-
940 am edt tue jun 30 2026

.rest of today...south winds 10 to 15 knots. waves 1 to 3 feet. 
.tonight...southwest winds 10 to 15 knots. waves 2 to 4 feet. 
.wednesday...southwest winds 10 to 15 knots decreasing to 5 to
10 knots in the late morning and afternoon. waves 1 to 3 feet. 
.wednesday night...south winds 5 to 10 knots becoming southwest
10 to 15 knots in the late evening and overnight. waves 1 to
3 feet. 
.thursday...southwest winds 10 to 15 knots becoming west 5 to
10 knots late in the evening. a chance of showers late in the
evening. waves 1 to 3 feet building to 2 to 4 feet late in the
morning...then subsiding to 1 to 3 feet late in the evening. 
.friday...southwest winds 5 to 10 knots backing to the southeast
early in the evening...then veering to the south by midnight. a
chance of showers early in the morning. a chance of
thunderstorms. rain showers likely . waves 2 feet or less. 
.saturday...west winds 5 to 10 knots veering to the north. a
chance of showers early in the morning. waves 2 feet or less. 


$$

fzus63 kdtx 301340
glflh 
expires:202606302145;;167145

open lake forecast for lake huron
national weather service detroit/pontiac mi
940 am edt tue jun 30 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 warm front lifts across the region through tuesday.
a hot and humid air mass then takes residence through the week
with modest south to southwest winds. the central great lakes
will largely remain dry and stable through thursday. however, the
prevailing storm track directed over the northern great lakes may
bring occasional rounds of storms to northern lake huron.


lhz362-363-302145-
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-
940 am edt tue jun 30 2026

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


$$

fzus63 kdtx 301340
glflh 
expires:202606302145;;167144

open lake forecast for lake huron
national weather service detroit/pontiac mi
940 am edt tue jun 30 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 warm front lifts across the region through tuesday.
a hot and humid air mass then takes residence through the week
with modest south to southwest winds. the central great lakes
will largely remain dry and stable through thursday. however, the
prevailing storm track directed over the northern great lakes may
bring occasional rounds of storms to northern lake huron.


lhz361-302145-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
940 am edt tue jun 30 2026

.rest of today...south winds 5 to 10 knots. areas of fog. waves
1 to 3 feet. 
.tonight...west winds 5 to 10 knots veering to the northeast late
in the evening...then veering to the southeast after midnight
becoming south 10 to 15 knots early in the morning. a chance of
thunderstorms in the evening. areas of fog. waves 1 to 3 feet. 
.wednesday...west winds 5 to 10 knots. waves 1 to 3 feet. 
.wednesday night...east winds 5 to 10 knots veering to the south
by midnight...then becoming southwest 10 to 15 knots after
midnight. showers likely and a chance of thunderstorms. waves
1 to 3 feet building to 2 to 4 feet after midnight. 
.thursday...west winds 10 to 15 knots decreasing to 5 to 10 knots
late in the evening. a chance of showers. waves 2 to 4 feet
subsiding to 1 to 3 feet late in the afternoon. 
.friday...west winds 5 to 10 knots. a chance of showers and
thunderstorms early in the evening. a chance of showers by
midnight. waves 2 feet or less. 
.saturday...north winds 5 to 10 knots. waves 2 feet or less. 


$$

fzus63 kmkx 301938
glflm 
expires:202607010315;;182744

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
238 pm cdt tue jun 30 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...

modest to breezy southerly winds will prevail into thursday then
lighter into friday as high pressure around 30.1 inches remains 
to the southeast of the great lakes, while troughs of low pressure
around 29.2 inches continue over canada into the northern great 
plains. scattered thunderstorms are forecast across the northern 
half tonight through wednesday night, and across the southern two 
thirds thursday into friday, and across the whole lake friday into
saturday as a cold front shifts winds to northerly. patchy marine
fog will be possible at times, primarily over the northern half of
the lake, as a warm moist air mass moves over the lake.


lmz261-362-364-366-563-565-567-868-010315-
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-
238 pm cdt tue jun 30 2026

sheboygan wi to pentwater mi north...

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

$$

fzus63 kmkx 301938
glflm 
expires:202607010315;;182745

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
238 pm cdt tue jun 30 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...

modest to breezy southerly winds will prevail into thursday then
lighter into friday as high pressure around 30.1 inches remains 
to the southeast of the great lakes, while troughs of low pressure
around 29.2 inches continue over canada into the northern great 
plains. scattered thunderstorms are forecast across the northern 
half tonight through wednesday night, and across the southern two 
thirds thursday into friday, and across the whole lake friday into
saturday as a cold front shifts winds to northerly. patchy marine
fog will be possible at times, primarily over the northern half of
the lake, as a warm moist air mass moves over the lake.


lmz080-669-671-673-675-777-779-870-872-874-876-878-010315-
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-
238 pm cdt tue jun 30 2026

sheboygan wi to pentwater mi south...

.tonight...south winds 15 to 25 kt becoming southwest 10 to
20 kt. waves 4 to 6 ft occasionally to 8 ft subsiding to 3 to
5 ft. 
.wednesday...southwest winds 10 to 20 kt becoming south 15 to
25 kt. waves 2 to 4 ft building to 3 to 5 ft. 
.wednesday night...south winds 15 to 25 kt becoming southwest
10 to 20 kt. scattered showers overnight. waves 4 to 6 ft
occasionally to 8 ft. 
.thursday...southwest winds 10 to 20 kt. scattered showers with a
chance of thunderstorms in the afternoon. waves 3 to 5 ft. 
.thursday night...southwest winds 10 to 15 kt. scattered showers
with a chance of thunderstorms in the evening, then scattered
showers overnight. waves 2 to 4 ft. 
.friday...southwest winds 10 to 15 kt becoming south 10 to 20 kt.
scattered showers in the morning, then scattered showers with a
chance of thunderstorms in the afternoon. waves 1 to 2 ft. 
.friday night...southwest winds 10 to 15 kt becoming west.
showers likely with a chance of thunderstorms. waves 1 to 2 ft.
.saturday...northwest winds 10 to 15 kt becoming north 10 to
20 kt. waves 1 to 3 ft. 
.sunday...northeast winds 10 to 15 kt becoming north 10 to 20 kt.
waves 1 to 3 ft.  

$$