fzus61 kcle 010152
glfle 
expires:202505010815;;745514

open lake forecast for lake erie
national weather service cleveland oh
952 pm edt wed apr 30 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...
a high pressure ridge averaging 30.20 inches impacts the lake erie
region before the ridge begins to exit toward new england tonight.
on thursday through friday night, a low of about 29.50 inches 
should move northeastward from the mid mississippi valley toward 
the mouth of the saint lawrence river. accordingly, a warm front
should drift northward across lake erie during the late morning 
through evening hours of thursday before a cold front moves 
southeastward across the lake friday night. behind the cold front,
a trough averaging 29.90 inches should linger over lake erie as a
ridge attempts to build from the north-central united states.


lez162>164-010815-
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-
952 pm edt wed apr 30 2025

.rest of tonight...east winds 10 to 15 knots. a slight chance of
showers late this evening. a chance of showers with a slight
chance of thunderstorms late. waves 1 to 3 feet. 
.thursday...east winds 10 to 15 knots becoming southwest 15 to
20 knots. a chance of showers with a slight chance of
thunderstorms in the morning, then showers with a chance of
thunderstorms early in the afternoon. a chance of showers and
thunderstorms late. waves 1 to 3 feet. 
.thursday night...southwest winds 15 to 20 knots diminishing to
10 to 15 knots. a chance of showers and thunderstorms in the
evening, then a chance of showers overnight. waves 1 to 3 feet. 
.friday...southwest winds 10 to 15 knots becoming west. a chance
of showers. waves 1 to 2 feet. 
.friday night...west winds 10 to 15 knots becoming north. a
chance of showers. waves 1 to 2 feet. 
.saturday...north winds 10 to 15 knots. a chance of showers
during the day. waves 1 to 2 feet. 
.sunday...north winds 10 to 15 knots becoming northeast. a chance
of showers. waves 1 to 2 feet. 
.monday...east winds 5 to 10 knots becoming southeast. a chance
of showers during the day. waves 2 feet or less. 

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 010159
glfsc 
expires:202505011000;;745751

lake st clair forecast
national weather service detroit/pontiac mi
959 pm edt wed apr 30 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...deepening low pressure, dropping to around 29.50
inches, lifts directly over the central great lakes thursday
leading to showers. a few thunderstorms, which could
be strong, are possible thursday evening mainly focused towards
the southern great lakes. a weak secondary cold front, 29.70
inches, drops through friday and is quickly followed by high
pressure of 30.00 inches.


lcz460-011000-
lake st clair-
959 pm edt wed apr 30 2025

.rest of tonight...east winds 5 to 10 knots increasing to 10 to 15
knots early in the morning. mostly cloudy. waves 2 feet or less.
.thursday...southeast winds 10 to 15 knots veering to the south late
in the afternoon. showers in the morning...then light showers and a
chance of thunderstorms in the afternoon. waves 1 to 3 feet.
.thursday night...southwest winds 10 to 15 knots. mostly cloudy.
light showers and a chance of thunderstorms in the evening...then
light showers likely after midnight. waves 1 to 3 feet.
.friday...west winds 10 to 15 knots becoming southwest 5 to 10 knots
in the late morning and afternoon. partly sunny with a chance of
light showers. waves 2 feet or less.
.friday night...northwest winds 5 to 10 knots veering to the north
after midnight. partly cloudy in the evening...then mostly cloudy
with a chance of light rain after midnight. waves 2 feet or less.
.saturday...north winds 5 to 10 knots. mostly cloudy in the morning
becoming partly cloudy. waves 2 feet or less.
.sunday...northeast winds 10 to 15 knots. partly cloudy. waves 2
feet or less.
.monday...southeast winds 10 to 15 knots. partly cloudy. a chance of
light rain. waves 2 feet or less.

$$

fzus63 kdtx 010159
glflh 
expires:202505011000;;745730

open lake forecast for lake huron
national weather service detroit/pontiac mi
959 pm edt wed apr 30 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...deepening low pressure, dropping to around 29.50
inches, lifts directly over the central great lakes thursday
leading to widespread showers. a few thunderstorms, which could
be strong, are possible thursday evening mainly focused towards
the southern great lakes. a weak secondary cold front, 29.70
inches, drops through friday and is quickly followed by high
pressure of 30.00 inches.


lhz462>464-011000-
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-
959 pm edt wed apr 30 2025

.rest of tonight...light and variable winds becoming east 5 to
10 knots early in the morning. a chance of showers after
midnight. waves 2 feet or less. 
.thursday...east winds 5 to 10 knots increasing to 10 to 15 knots
in the afternoon. a chance of showers in the morning...then
showers and a chance of thunderstorms in the afternoon. waves
2 feet or less building to 2 to 4 feet late in the afternoon. 
.thursday night...east winds 10 to 15 knots veering to the
southwest in the late evening and overnight. showers and a chance
of thunderstorms in the evening...then showers likely after
midnight. waves 2 to 4 feet. 
.friday...west winds 10 to 15 knots becoming southwest 5 to
10 knots in the late morning and afternoon. a chance of showers.
waves 1 to 3 feet. 
.friday night...northwest winds 5 to 10 knots. waves 2 feet or
less. 
.saturday...northwest winds 10 to 15 knots. waves 1 to 3 feet. 
.sunday...northwest winds 5 to 10 knots becoming north 10 to
15 knots early in the evening...then becoming northeast 5 to
10 knots in the late evening and early morning. waves 1 to
3 feet. 
.monday...east winds 10 to 15 knots veering to the southeast in
the late evening and early morning. a chance of rain. waves 1 to
3 feet. 


$$

fzus63 kmkx 010153
glflm 
expires:202505010915;;745552

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
853 pm cdt wed apr 30 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 30.4 inches will move east of the region 
tonight, with low pressure around 29.6 inches shifting northeast 
into northeast illinois. steady easterly winds will persist 
through tonight. 

the low will move through southern lower michigan thursday and 
northeast of there thursday night. winds will shift to the 
northeast over northern portions of the lake, with south to 
southwest winds to the south. winds will become north to northwest
thursday night across the entire lake.

another weak low pressure system around 29.6 inches will move 
east across the region on friday, along with a cold front. winds 
will become northwesterly friday behind the front. high pressure 
around 30.1 inches will then return to the upper great lakes for 
the weekend, bringing quiet weather and light winds.


lmz261-362-364-366-563-565-567-868-010915-
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-
853 pm cdt wed apr 30 2025

sheboygan wi to pentwater mi north...

.rest of tonight...east winds 10 to 15 kt. slight chance of rain
showers overnight. waves 1 to 2 ft. 
.thursday...east winds 10 to 20 kt becoming northeast 15 to
25 kt. rain showers. waves 2 to 4 ft. 
.thursday night...northeast winds 15 to 25 kt becoming north
10 to 20 kt, then diminishing to 10 to 15 kt late. chance of rain
showers in the evening. waves 2 to 4 ft subsiding to 1 to 3 ft. 
.friday...northwest winds 10 to 15 kt increasing to 10 to 20 kt.
chance of rain showers. waves 1 to 2 ft. 
.friday night...north winds 10 to 20 kt diminishing to 10 to
15 kt. waves 1 to 2 ft. 
.saturday...north winds 10 to 15 kt backing to west 10 to 20 kt.
waves 1 to 2 ft. 
.saturday night...southwest winds 10 to 15 kt diminishing to 5 to
10 kt. waves 1 to 2 ft. 
.sunday...north winds 10 to 15 kt becoming east. waves 1 to 2 ft.
.monday...southeast winds 10 to 20 kt. waves 1 to 3 ft.  

$$

fzus63 kmkx 010153
glflm 
expires:202505010915;;745553

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
853 pm cdt wed apr 30 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 30.4 inches will move east of the region 
tonight, with low pressure around 29.6 inches shifting northeast 
into northeast illinois. steady easterly winds will persist 
through tonight. 

the low will move through southern lower michigan thursday and 
northeast of there thursday night. winds will shift to the 
northeast over northern portions of the lake, with south to 
southwest winds to the south. winds will become north to northwest
thursday night across the entire lake.

another weak low pressure system around 29.6 inches will move 
east across the region on friday, along with a cold front. winds 
will become northwesterly friday behind the front. high pressure 
around 30.1 inches will then return to the upper great lakes for 
the weekend, bringing quiet weather and light winds.


lmz080-669-671-673-675-777-779-870-872-874-876-878-010915-
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-
853 pm cdt wed apr 30 2025

sheboygan wi to pentwater mi south...

.rest of tonight...east winds 5 to 10 kt increasing to 10 to
20 kt. slight chance of rain showers through early evening, then
chance of rain showers and slight chance of thunderstorms
overnight. waves 1 to 3 ft. 
.thursday...east winds 15 to 25 kt backing to northwest 10 to
20 kt. rain showers and slight chance of thunderstorms in the
morning, then chance of rain showers and slight chance of
thunderstorms in the afternoon. waves 3 to 5 ft. 
.thursday night...north winds 10 to 20 kt becoming west 10 to
15 kt. waves 2 to 4 ft subsiding to 1 to 3 ft. 
.friday...west winds 10 to 15 kt becoming northwest 10 to 20 kt.
chance of rain showers in the afternoon. waves 1 to 3 ft. 
.friday night...north winds 10 to 15 kt. waves 1 to 3 ft. 
.saturday...north winds 10 to 15 kt increasing to 10 to 20 kt.
waves 1 to 3 ft. 
.saturday night...north winds 10 to 15 kt diminishing to 5 to
10 kt. waves 1 to 3 ft. 
.sunday...north winds 10 to 15 kt becoming northeast 10 to 20 kt.
waves 1 to 3 ft. 
.monday...southeast winds 10 to 15 kt increasing to 10 to 20 kt.
waves 1 to 3 ft.  

$$