fzus61 kcle 301933
glfle 
expires:202605010215;;798238

open lake forecast for lake erie
national weather service cleveland oh
333 pm edt thu apr 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 trough averaging 29.90 inches will persist over lake erie through 
friday morning. low pressure 29.90 inches will pass to the south of 
the lake throughout the day on friday and high pressure 30.10 inches 
will build in south of the region for the weekend. low pressure 
29.70 inches will track through the northern great lakes on
monday, sweeping a cold front across lake erie. 


lez162-163-010215-
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-
333 pm edt thu apr 30 2026

.tonight...northwest winds 5 to 10 knots. a slight chance of
showers late this evening. showers after midnight. waves 2 feet
or less. 
.friday...north winds 5 to 10 knots becoming northwest. showers
likely early, then a chance of showers from late morning on.
waves 1 foot or less. 
.friday night...northwest winds 5 to 10 knots becoming north. a
chance of showers in the evening. waves 1 foot or less. 
.saturday...north winds 5 to 10 knots becoming northwest. waves
1 foot or less. 
.saturday night...northwest winds 5 to 10 knots becoming west.
waves 1 foot or less. 
.sunday...west winds 10 to 15 knots becoming southwest and
increasing to 15 to 25 knots. a chance of showers sunday night.
waves 1 to 3 feet building to 2 to 4 feet. 
.monday...southwest winds 15 to 25 knots. a chance of showers and
thunderstorms. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.tuesday...southwest winds 15 to 20 knots becoming northwest. a
chance of showers during the day, then showers likely tuesday
night. waves 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 301933
glfle 
expires:202605010215;;798239

open lake forecast for lake erie
national weather service cleveland oh
333 pm edt thu apr 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 trough averaging 29.90 inches will persist over lake erie through 
friday morning. low pressure 29.90 inches will pass to the south of 
the lake throughout the day on friday and high pressure 30.10 inches 
will build in south of the region for the weekend. low pressure 
29.70 inches will track through the northern great lakes on
monday, sweeping a cold front across lake erie. 


lez164>166-010215-
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-
333 pm edt thu apr 30 2026

.tonight...west winds 10 knots or less becoming northwest. a
slight chance of showers after midnight. showers likely late.
waves 2 feet or less. 
.friday...northeast winds 5 to 10 knots becoming northwest.
showers early, then a chance of showers. a slight chance of
showers late. waves 1 foot or less. 
.friday night...northwest winds 5 to 10 knots becoming north. a
chance of showers overnight. waves around 1 foot. 
.saturday...north winds 5 to 10 knots becoming northwest. waves
around 1 foot. 
.saturday night...northwest winds 5 to 10 knots becoming west.
waves around 1 foot. 
.sunday...west winds 10 to 15 knots becoming southwest 15 to
20 knots. a chance of showers sunday night. waves 1 to 3 feet
building to 3 to 6 feet. 
.monday...southwest winds 15 to 25 knots. a chance of showers
during the day, then a chance of showers and thunderstorms monday
night. waves 3 to 6 feet subsiding to 3 to 5 feet. 
.tuesday...southwest winds 15 to 20 knots. a chance of showers
during the day, then showers likely tuesday night. waves 3 to
5 feet subsiding to 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 301948
glfsc 
expires:202605010400;;798659

lake st clair forecast
national weather service detroit/pontiac mi
348 pm edt thu apr 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 diffuse low pressure system, 30.00, will very
gradually move across the great lakes through the late week
period. this will bring periods of isolated showers and will
generally maintain lighter northwest flow.


lcz460-010400-
lake st clair-
348 pm edt thu apr 30 2026

.tonight...northwest winds 10 to 15 knots becoming north 5 to 10
knots by midnight...then veering to the east early in the morning.
partly cloudy with a chance of light showers. waves 2 feet or less.
.friday...north winds 5 to 10 knots. partly sunny. a chance of light
showers early in the morning. a chance of light showers in the
afternoon. waves 2 feet or less.
.friday night...north winds 5 to 10 knots. partly cloudy. a chance
of light showers early in the evening. waves 2 feet or less.
.saturday...northwest winds 5 to 10 knots. partly sunny. waves 2
feet or less.
.saturday night...north winds 5 to 10 knots veering to the east by
midnight...then veering to the west after midnight. partly cloudy.
waves 2 feet or less.
.sunday...west winds 10 to 15 knots becoming southwest 15 to 20
knots in the afternoon and evening. mostly sunny in the morning
becoming partly cloudy. waves 2 feet or less.
.monday...southwest winds 15 to 20 knots. partly cloudy. a chance of
showers and thunderstorms. waves 1 to 3 feet.
.tuesday...northwest winds 15 to 20 knots. mostly cloudy. light
showers likely and a chance of thunderstorms. waves 2 feet or less.

$$

fzus63 kdtx 301948
glflh 
expires:202605010400;;798655

open lake forecast for lake huron
national weather service detroit/pontiac mi
348 pm edt thu apr 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 diffuse low pressure system, 30.00, will very
gradually move across the great lakes through the late week
period. this will bring periods of isolated rain showers and will
generally maintain lighter northwest flow.


lhz363-462>464-010400-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
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-
348 pm edt thu apr 30 2026

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


$$

fzus63 kmkx 301943
glflm 
expires:202605010315;;798581

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
243 pm cdt thu apr 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...

high pressure around 30.2 inches continues to sit over central 
canada through the end of the week and will bring light and 
varying winds across lake michigan through friday. high pressure 
begins to work its way southeastward tracking across lake michigan
overnight friday through the day saturday. will begin to see more
southerly winds develop saturday night and pick up into sunday as
the high pressure continues to track southward while low pressure
around 29.4 inches treks across ontario. this looks to drag a 
cold front week cold front across the lake later sunday turning 
winds more westerly briefly before another low pressure around 
29.1 inches develops right behind it for monday. expecting a 
stronger cold front to move across the lake through the day 
monday and turn winds north-northwesterly overnight into tuesday.


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-
243 pm cdt thu apr 30 2026

sheboygan wi to pentwater mi north...

.tonight...west winds 10 to 15 kt veering to north. isolated rain
showers this evening. waves 1 to 2 ft. 
.friday...north winds 10 to 15 kt becoming northwest. slight
chance of rain showers in the afternoon. waves 1 to 3 ft. 
.friday night...north winds 10 to 20 kt diminishing to 10 to
15 kt. waves 1 to 3 ft. 
.saturday...northwest winds 10 to 15 kt backing to southwest
10 to 20 kt. waves 1 to 2 ft. 
.saturday night...southwest winds 10 to 15 kt. waves 1 to 3 ft
building to 2 to 4 ft. 
.sunday...southwest winds 10 to 20 kt. chance of rain showers in
the morning. waves 4 to 6 ft occasionally to 8 ft. 
.sunday night...southwest winds 15 to 25 kt diminishing to 10 to
20 kt. waves 4 to 6 ft occasionally to 8 ft subsiding to 3 to
5 ft. 
.monday...southwest winds to 30 kt increasing to gales to 35 kt.
chance of rain showers. waves 2 to 4 ft building to 4 to 6 ft
occasionally to 8 ft. 
.tuesday...west winds 10 to 20 kt becoming southwest. waves 1 to
3 ft.  

$$

fzus63 kmkx 301943
glflm 
expires:202605010315;;798582

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
243 pm cdt thu apr 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...

high pressure around 30.2 inches continues to sit over central 
canada through the end of the week and will bring light and 
varying winds across lake michigan through friday. high pressure 
begins to work its way southeastward tracking across lake michigan
overnight friday through the day saturday. will begin to see more
southerly winds develop saturday night and pick up into sunday as
the high pressure continues to track southward while low pressure
around 29.4 inches treks across ontario. this looks to drag a 
cold front week cold front across the lake later sunday turning 
winds more westerly briefly before another low pressure around 
29.1 inches develops right behind it for monday. expecting a 
stronger cold front to move across the lake through the day 
monday and turn winds north-northwesterly overnight into tuesday.


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-
243 pm cdt thu apr 30 2026

sheboygan wi to pentwater mi south...

.tonight...east winds 10 to 15 kt backing to north. scattered
rain showers this evening, then isolated rain showers overnight.
waves 1 to 2 ft. 
.friday...north winds 10 to 15 kt increasing to 10 to 20 kt.
waves 2 to 4 ft. 
.friday night...north winds 10 to 20 kt diminishing to 5 to
10 kt. waves 2 to 4 ft subsiding to 1 to 2 ft. 
.saturday...north winds 10 to 15 kt. waves 1 to 2 ft. 
.saturday night...southwest winds 10 to 15 kt. waves 1 to 2 ft
building to 2 to 4 ft. 
.sunday...southwest winds 10 to 20 kt becoming south. waves 4 to
6 ft occasionally to 8 ft. 
.sunday night...southwest winds 15 to 25 kt. waves 4 to 6 ft
occasionally to 8 ft. 
.monday...southwest winds 15 to 25 kt increasing to 30 kt. waves
2 to 4 ft building to 3 to 5 ft. 
.tuesday...northwest winds 10 to 15 kt veering to northeast.
chance of rain showers. waves 3 to 5 ft subsiding to 1 to 3 ft.  

$$