fzus61 kcle 181942
glfle 
expires:202507190215;;670727

open lake forecast for lake erie
national weather service cleveland oh
342 pm edt fri jul 18 2025

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...
the lake remains between high pressure 30.10 inches to the
northeast and a stationary front over the ohio valley. this front
will advance north tonight as a warm front and cross the lake for
saturday. a cold front will cross the lake saturday night into
sunday. high pressure 30.10 inches will build from the north for
monday into tuesday. a warm front will cross the lake on
wednesday.


lez162>164-190215-
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-
342 pm edt fri jul 18 2025

.tonight...east winds 10 knots or less becoming south. waves
1 foot or less. 
.saturday...south winds 10 knots or less. a chance of showers and
thunderstorms late. waves 1 foot or less. 
.saturday night...southwest winds 5 to 15 knots becoming west.
showers likely with a chance of thunderstorms in the evening,
then a chance of showers and thunderstorms overnight. waves
2 feet or less. 
.sunday...northwest winds 5 to 15 knots becoming north. waves
2 feet or less. 
.sunday night...north winds 5 to 10 knots becoming northeast.
waves 2 feet or less. 
.monday...northeast winds 5 to 10 knots becoming east. waves
2 feet or less. 
.tuesday...southeast winds 5 to 10 knots becoming south. waves
1 foot or less. 
.wednesday...south winds 5 to 15 knots becoming southwest. waves
2 feet or less. 

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 181938
glfsc 
expires:202507190400;;670674

lake st clair forecast
national weather service detroit/pontiac mi
338 pm edt fri jul 18 2025

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

.synopsis...high pressure, 30.20 inches, tracks overhead today.
the next weak low pressure moves into the area on saturday
bringing humid and unsettled conditions. the cold front moves
through the area saturday night with high pressure building back
in late sunday into monday.


lcz460-190400-
lake st clair-
338 pm edt fri jul 18 2025

.tonight...southeast winds 5 to 10 knots. mostly clear. waves 2 feet
or less.
.saturday...south winds 5 to 10 knots increasing to 10 to 15 knots
in the afternoon. partly sunny. light showers likely late in the
afternoon. waves 2 feet or less.
.saturday night...southwest winds 10 to 15 knots becoming west 5 to
10 knots in the late evening and early morning...then becoming
northwest 10 to 15 knots after midnight. mostly cloudy early in the
evening becoming partly cloudy. light showers likely and a chance of
thunderstorms until early morning. waves 2 feet or less.
.sunday...north winds 10 to 15 knots diminishing to 5 to 10 knots in
the late morning and afternoon. partly sunny. waves 2 feet or less.
.sunday night...northeast winds 10 to 15 knots diminishing to 5 to
10 knots in the late evening and overnight. clear. waves 2 feet or
less.
.monday...northeast winds 5 to 10 knots increasing to 10 to 15 knots
in the evening. sunny in the morning becoming mostly clear. waves 2
feet or less.
.tuesday...southeast winds 5 to 10 knots. mostly clear. waves 2 feet
or less.
.wednesday...southwest winds 10 to 15 knots. partly cloudy. a chance
of showers and thunderstorms. waves 2 feet or less.

$$

fzus63 kdtx 181937
glflh 
expires:202507190400;;670665

open lake forecast for lake huron
national weather service detroit/pontiac mi
337 pm edt fri jul 18 2025

for waters beyond five nautical miles off shore on lake huron

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

.synopsis...high pressure, 30.20 inches, tracks overhead today.
the next weak low pressure moves into the area on saturday
bringing humid and unsettled conditions. the cold front moves
through the area saturday night with high pressure building back
in late sunday into monday.


lhz462>464-190400-
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-
337 pm edt fri jul 18 2025

.tonight...northeast winds 5 to 10 knots veering to the southeast
after midnight. waves 2 feet or less. 
.saturday...south winds 5 to 10 knots increasing to 10 to
15 knots in the late morning and early afternoon...then
decreasing to 5 to 10 knots late in the afternoon. showers likely
and a chance of thunderstorms in the afternoon. waves 1 to
3 feet. 
.saturday night...south winds 5 to 10 knots becoming 10 to
15 knots after midnight. showers likely and a chance of
thunderstorms in the evening. waves 1 to 3 feet. 
.sunday...north winds 10 to 15 knots. waves 1 to 3 feet. 
.sunday night...north winds 5 to 10 knots. waves 1 to 3 feet. 
.monday...northeast winds 5 to 10 knots. waves 2 feet or less. 
.tuesday...southeast winds 5 to 10 knots. waves 2 feet or less. 
.wednesday...south winds 10 to 15 knots decreasing to 5 to
10 knots. a chance of showers and thunderstorms...then a chance
of showers in the late evening and early morning. waves 1 to
3 feet. 


$$

fzus63 kmkx 181950
glflm 
expires:202507190315;;671187

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
250 pm cdt fri jul 18 2025

for waters beyond five nautical miles of shore on lake michigan.

waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the wave, along with the
average height of the highest 10% of the waves which will
occasionally be encountered.

.synopsis... 

high pressure around 30.2 inches over the great lakes region will
slowly exit to the east tonight as low pressure around 29.7 
inches develops in the lee of the colorado rockies. a warm front
will develop across northern wisconsin and the upper peninsula
overnight, bringing thunderstorms to the northern half of the lake
into the late overnight hours. additional thunderstorm development
is expected across the southern half into saturday morning. winds
become southwesterly as these storms end midday saturday, then
become northerly behind a cold front saturday afternoon. isolated
thunderstorms are possible along this front. high pressure around
30.0 inches will settle back into the region on sunday, slowly 
departing into monday and shifting winds to easterly. a low 
pressure trough of 29.8 inches will cross the upper midwest on 
tuesday, bringing southeasterly winds.



lmz261-362-364-366-563-565-567-868-190315-
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-
250 pm cdt fri jul 18 2025

sheboygan wi to pentwater mi north...

.tonight...southwest winds 5 to 10 kt becoming south. slight
chance of showers overnight. waves 1 ft or less. 
.saturday...south winds 10 to 15 kt increasing to 10 to 20 kt,
then veering to northwest 10 to 15 kt late. 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. 
.saturday night...north winds 10 to 15 kt. waves 1 to 3 ft. 
.sunday...north winds 10 to 15 kt increasing to 10 to 20 kt.
waves 1 to 3 ft. 
.sunday night...northeast winds 10 to 20 kt diminishing to 10 to
15 kt. waves 1 to 2 ft. 
.monday...east winds 10 to 15 kt. waves 1 to 3 ft. 
.monday night...east winds 10 to 15 kt becoming southeast 10 to
20 kt. waves 1 to 3 ft. 
.tuesday...south winds 10 to 20 kt. waves 2 to 4 ft. 
.wednesday...southwest winds 10 to 20 kt. chance of showers and
thunderstorms. waves 1 to 3 ft.  

$$

fzus63 kmkx 181950
glflm 
expires:202507190315;;671188

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
250 pm cdt fri jul 18 2025

for waters beyond five nautical miles of shore on lake michigan.

waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the wave, along with the
average height of the highest 10% of the waves which will
occasionally be encountered.

.synopsis... 

high pressure around 30.2 inches over the great lakes region will
slowly exit to the east tonight as low pressure around 29.7 
inches develops in the lee of the colorado rockies. a warm front
will develop across northern wisconsin and the upper peninsula
overnight, bringing thunderstorms to the northern half of the lake
into the late overnight hours. additional thunderstorm development
is expected across the southern half into saturday morning. winds
become southwesterly as these storms end midday saturday, then
become northerly behind a cold front saturday afternoon. isolated
thunderstorms are possible along this front. high pressure around
30.0 inches will settle back into the region on sunday, slowly 
departing into monday and shifting winds to easterly. a low 
pressure trough of 29.8 inches will cross the upper midwest on 
tuesday, bringing southeasterly winds.



lmz080-669-671-673-675-777-779-870-872-874-876-878-190315-
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-
250 pm cdt fri jul 18 2025

sheboygan wi to pentwater mi south...

.tonight...east winds 5 to 10 kt becoming south. waves 1 to 2 ft.
.saturday...south winds 10 to 15 kt becoming southwest 10 to
20 kt. chance of showers and slight chance of thunderstorms in
the morning, then chance of showers and thunderstorms in the
afternoon. waves 1 to 3 ft. 
.saturday night...northwest winds 10 to 15 kt becoming north.
chance of showers and thunderstorms in the evening. waves 1 to
3 ft. 
.sunday...northeast winds 10 to 20 kt becoming north. waves 2 to
4 ft. 
.sunday night...northeast winds 10 to 20 kt becoming east 10 to
15 kt. waves 1 to 3 ft. 
.monday...east winds 10 to 20 kt diminishing to 10 to 15 kt.
waves 2 to 4 ft. 
.monday night...east winds 10 to 15 kt becoming southeast 10 to
20 kt. waves 1 to 3 ft. 
.tuesday...southeast winds 10 to 20 kt becoming south. waves 2 to
4 ft. 
.wednesday...south winds 10 to 20 kt becoming southwest. waves
2 to 4 ft.  

$$