fzus61 kcle 301948
glfle 
expires:202607310215;;350823

open lake forecast for lake erie
national weather service cleveland oh
348 pm edt thu jul 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...
high pressure 30.10 inches will remain over the region through 
friday. low pressure 29.60 inches will enter from the west on 
saturday and slowly pass south of the lake through sunday. high 
pressure 30.00 inches will build back into the great lakes region 
on monday.


lez162>164-310215-
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-
348 pm edt thu jul 30 2026

.tonight...south winds 10 knots or less becoming west. waves
1 foot or less. 
.friday...west winds 10 knots or less becoming southeast. waves
1 foot or less. 
.friday night...southeast winds 10 knots or less becoming south.
waves 1 foot or less. 
.saturday...south winds 5 to 10 knots becoming east. a chance of
showers in the afternoon. waves 1 foot or less. 
.saturday night...east winds 10 to 15 knots. showers with a
chance of thunderstorms in the evening, then showers overnight.
waves 2 feet or less. 
.sunday...east winds 10 to 15 knots becoming north. a chance of
showers and thunderstorms during the day. waves 1 to 3 feet. 
.monday...northeast winds 5 to 15 knots becoming east. waves
2 feet or less. 
.tuesday...east winds 5 to 10 knots becoming south. waves 1 foot
or less. 

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 301949
glfsc 
expires:202607310400;;350831

lake st clair forecast
national weather service detroit/pontiac mi
349 pm edt thu jul 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...high pressure, 30.30 inches, governs great lakes
conditions today and friday. low pressure then tracks into the
ohio valley this weekend, with local pressure averaging around
29.90 inches. this brings rain and isolated thunderstorm chances
to the great lakes friday night into sunday along with elevated
winds and waves into saginaw bay and the thumb nearshores.


lcz460-310400-
lake st clair-
349 pm edt thu jul 30 2026

.tonight...northeast winds 5 to 10 knots this evening becoming light
and variable. mostly clear. waves 2 feet or less.
.friday...light and variable winds becoming southeast 5 to 10 knots
in the afternoon. partly sunny. waves 2 feet or less.
.friday night...south winds 5 to 10 knots. cloudy. waves 2 feet or
less.
.saturday...east winds 5 to 10 knots. cloudy. a chance of light
showers until late afternoon. light showers likely and a chance of
thunderstorms early in the afternoon. waves 2 feet or less.
.saturday night...northeast winds 10 to 15 knots. mostly cloudy. a
chance of thunderstorms early in the evening. light showers likely
...then a chance of light showers after midnight. waves 2 feet or
less.
.sunday...northeast winds 10 to 15 knots becoming north 15 to 20
knots in the evening. mostly cloudy with a chance of light showers
in the morning...then partly cloudy with a chance of showers and
thunderstorms in the afternoon and evening. waves 1 to 3 feet.
.monday...northeast winds 10 to 15 knots. mostly clear. waves 2 feet
or less.
.tuesday...southeast winds 5 to 10 knots. mostly clear. waves 2 feet
or less.

$$

fzus63 kdtx 301949
glflh 
expires:202607310400;;350829

open lake forecast for lake huron
national weather service detroit/pontiac mi
349 pm edt thu jul 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...high pressure, 30.30 inches, governs great lakes
conditions today and friday. low pressure then tracks into the
ohio valley this weekend, with local pressure averaging around
29.90 inches. this brings rain and isolated thunderstorm chances
to the great lakes friday night into sunday along with elevated
winds and waves into saginaw bay and the thumb nearshores.


lhz462>464-310400-
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-
349 pm edt thu jul 30 2026

.tonight...light and variable winds becoming south 5 to 10 knots
early in the morning. waves 2 feet or less. 
.friday...light and variable winds becoming south 5 to 10 knots
late in the morning...then becoming light and variable early in
the afternoon becoming southeast 5 to 10 knots late in the
afternoon. waves 2 feet or less. 
.friday night...light and variable winds becoming northeast 5 to
10 knots in the late evening and overnight. a chance of showers
after midnight. waves 2 feet or less. 
.saturday...northeast winds 5 to 10 knots. showers likely. waves
2 feet or less. 
.saturday night...northeast winds 5 to 10 knots. showers likely.
waves 1 to 3 feet. 
.sunday...northeast winds 10 to 15 knots becoming north 15 to
20 knots late in the morning...then decreasing to 10 to 15 knots
late in the evening. waves 1 to 3 feet building to 3 to 5 feet. 
.monday...northeast winds 5 to 10 knots. waves 1 to 3 feet. 
.tuesday...southeast winds 5 to 10 knots backing to the northeast
. waves 2 feet or less. 


$$

fzus63 kmkx 301943
glflm 
expires:202607310315;;350771

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

light and variable winds will take on a southerly component this
afternoon as high pressure around 30.0 inches starts to drift 
toward the lower great lakes. low pressure around 29.7 inches will
track across iowa friday and through illinois saturday. the 
approaching area of low pressure will bring chances for showers 
and a few thunderstorms friday into saturday. severe weather is 
not expected in any of this activity. breezy northeast winds 
will develop saturday and should continue through sunday 
as high pressure of 30.0 inches builds over lake superior. a 
few gusts upwards of 30 kt will be possible over the southern 
half of the lake. 


lmz261-362-364-366-563-565-567-868-310315-
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 jul 30 2026

sheboygan wi to pentwater mi north...

.tonight...southwest winds 10 to 20 kt diminishing to 10 to
15 kt. slight chance of showers overnight. waves 1 to 3 ft. 
.friday...southwest winds 10 to 15 kt increasing to 10 to 20 kt.
chance of showers and slight chance of thunderstorms in the
morning, then slight chance of showers and thunderstorms in the
afternoon. waves 1 to 3 ft. 
.friday night...southwest winds 10 to 15 kt veering to northeast
10 to 20 kt. chance of showers. waves 1 to 2 ft building to 2 to
4 ft. 
.saturday...northeast winds 10 to 20 kt becoming north 15 to
25 kt. chance of showers. waves 2 to 4 ft. 
.saturday night...north winds 15 to 25 kt becoming northeast.
waves 3 to 5 ft. 
.sunday...northeast winds to 30 kt becoming north. waves 4 to
7 ft occasionally to 9 ft. 
.sunday night...north winds to 30 kt becoming northeast 10 to
20 kt. waves 4 to 6 ft occasionally to 8 ft subsiding to 2 to
4 ft. 
.monday...northeast winds 10 to 15 kt becoming north 10 to 20 kt.
waves 1 to 2 ft. 
.tuesday...south winds 10 to 20 kt. waves 1 to 3 ft.  

$$

fzus63 kmkx 301943
glflm 
expires:202607310315;;350772

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

light and variable winds will take on a southerly component this
afternoon as high pressure around 30.0 inches starts to drift 
toward the lower great lakes. low pressure around 29.7 inches will
track across iowa friday and through illinois saturday. the 
approaching area of low pressure will bring chances for showers 
and a few thunderstorms friday into saturday. severe weather is 
not expected in any of this activity. breezy northeast winds 
will develop saturday and should continue through sunday 
as high pressure of 30.0 inches builds over lake superior. a 
few gusts upwards of 30 kt will be possible over the southern 
half of the lake. 


lmz080-669-671-673-675-777-779-870-872-874-876-878-310315-
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 jul 30 2026

sheboygan wi to pentwater mi south...

.tonight...south winds 10 to 20 kt becoming southwest 10 to
15 kt. waves 1 to 3 ft. 
.friday...southwest winds 5 to 10 kt backing to southeast. waves
1 to 3 ft. 
.friday night...east winds 10 to 15 kt increasing to 15 to 25 kt.
chance of showers in the evening, then showers likely overnight.
waves 1 to 3 ft building to 4 to 6 ft occasionally to 8 ft. 
.saturday...east winds to 30 kt becoming northeast. showers
likely. waves 4 to 7 ft occasionally to 9 ft. 
.saturday night...northeast winds to 30 kt. chance of showers in
the evening. waves 5 to 8 ft occasionally to 10 ft. 
.sunday...north winds to 30 kt. waves 6 to 9 ft occasionally to
12 ft. 
.sunday night...north winds to 30 kt becoming northeast 10 to
20 kt. waves 6 to 9 ft occasionally to 12 ft subsiding to 4 to
7 ft occasionally to 9 ft. 
.monday...northeast winds 10 to 15 kt becoming north 10 to 20 kt.
waves 2 to 4 ft subsiding to 1 to 3 ft. 
.tuesday...south winds 10 to 15 kt increasing to 10 to 20 kt.
waves 1 to 2 ft.  

$$