fzus61 kcle 010807
glfle 
expires:202505011415;;760455

open lake forecast for lake erie
national weather service cleveland oh
407 am edt thu may 1 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 warm front will lift northeast across lake erie today as low 
pressure 29.60 inches moves northeastward across the central great
lakes. a cold front will then move southeast across the lake
friday. low pressure 29.80 inches lingers across the ohio valley
through the weekend and into monday.


lez162>164-011415-
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-
407 am edt thu may 1 2025

.today...east winds 10 to 15 knots becoming southwest 15 to
20 knots. a chance of showers and thunderstorms early, then
showers likely with a chance of thunderstorms. a chance of
showers and thunderstorms late. some thunderstorms may produce
gusty winds early this afternoon. waves 1 to 3 feet. 
.tonight...southwest winds 15 to 20 knots diminishing to 10 to
15 knots. showers likely with a chance of thunderstorms early,
then a chance of showers and thunderstorms late in the evening. a
chance of showers after midnight. waves 1 to 3 feet. 
.friday...southwest winds 5 to 15 knots becoming west. a chance
of showers. waves 1 to 2 feet. 
.friday night...west winds 5 to 10 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...northeast winds 10 to 15 knots. a chance of showers.
waves 1 to 2 feet. 
.monday...northeast winds 10 to 15 knots becoming east. a chance
of showers. waves 2 feet or less. 

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 010755
glfsc 
expires:202505011600;;759542

lake st clair forecast
national weather service detroit/pontiac mi
355 am edt thu may 1 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 today leading
to showers. a few thunderstorms, which could be
strong, are possible this 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.


lcz460-011600-
lake st clair-
355 am edt thu may 1 2025

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

$$

fzus63 kdtx 010755
glflh 
expires:202505011600;;759546

open lake forecast for lake huron
national weather service detroit/pontiac mi
355 am edt thu may 1 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 today leading
to widespread showers. a few thunderstorms, which could be
strong, are possible this 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>464-011600-
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-
355 am edt thu may 1 2025

.today...east winds 5 to 10 knots increasing to 10 to 15 knots in
the afternoon. rain. waves 1 to 3 feet building to 2 to 4 feet
late in the afternoon. 
.tonight...east winds 10 to 15 knots veering to the southwest
after midnight. rain and a chance of thunderstorms in the
evening. waves 2 to 4 feet. 
.friday...west winds 10 to 15 knots becoming southwest 5 to
10 knots in the late morning and afternoon. waves 1 to 3 feet. 
.friday night...west winds 5 to 10 knots veering to the north in
the late evening and overnight. waves 2 feet or less. 
.saturday...north winds 10 to 15 knots decreasing to 5 to
10 knots late in the evening. waves 1 to 3 feet. 
.sunday...north winds 5 to 10 knots increasing to 10 to 15 knots.
waves 1 to 3 feet. 
.monday...northeast winds 10 to 15 knots. a chance of rain. waves
1 to 3 feet. 


$$

fzus63 kmkx 010801
glflm 
expires:202505011530;;759929

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
301 am cdt thu may 1 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... 

low pressure around 29.6 inches will slide across northern
illinois this morning and across central lower michigan this
afternoon. another weaker low pressure system will cross the 
upper great lakes on friday, and a subtle cold front will also 
drop through. high pressure around 30.1 inches will then return 
for the weekend. 

easterly winds will become southerly over the southern third of 
the lake this morning. otherwise expect northerly winds through 
early next week.


lmz261-362-364-366-563-565-567-868-011530-
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-
301 am cdt thu may 1 2025

sheboygan wi to pentwater mi north...

.today...east winds 10 to 20 kt increasing to 15 to 25 kt late
this morning, then becoming northeast early this afternoon and
increasing to 30 kt late. rain showers. waves 3 to 5 ft building
to 4 to 6 ft occasionally to 8 ft. 
.tonight...north winds to 30 kt diminishing to 10 to 20 kt late
in the evening, then becoming north 10 to 20 kt after midnight
diminishing to 10 to 15 kt late. slight chance of rain showers.
waves 4 to 6 ft occasionally to 8 ft subsiding to 2 to 4 ft. 
.friday...north winds 10 to 15 kt becoming northwest. chance of
rain showers. waves 1 to 3 ft. 
.friday night...north winds 10 to 20 kt. waves 1 to 3 ft. 
.saturday...north winds 10 to 20 kt becoming northwest. waves
1 to 3 ft. 
.saturday night...west winds 10 to 15 kt becoming northwest 5 to
10 kt. waves 1 to 2 ft. 
.sunday...north winds 10 to 15 kt becoming northeast. waves 1 to
2 ft. 
.monday...east winds 10 to 20 kt becoming northeast. waves 1 to
3 ft.  

$$

fzus63 kmkx 010801
glflm 
expires:202505011530;;759930

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
301 am cdt thu may 1 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... 

low pressure around 29.6 inches will slide across northern
illinois this morning and across central lower michigan this
afternoon. another weaker low pressure system will cross the 
upper great lakes on friday, and a subtle cold front will also 
drop through. high pressure around 30.1 inches will then return 
for the weekend. 

easterly winds will become southerly over the southern third of 
the lake this morning. otherwise expect northerly winds through 
early next week.


lmz080-669-671-673-675-777-779-870-872-874-876-878-011530-
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-
301 am cdt thu may 1 2025

sheboygan wi to pentwater mi south...

.today...east winds 15 to 25 kt backing to northwest. rain
showers and slight chance of thunderstorms this morning, then
chance of rain showers and slight chance of thunderstorms this
afternoon. waves 4 to 6 ft occasionally to 8 ft. 
.tonight...northwest winds 10 to 20 kt veering to northeast 10 to
15 kt. slight chance of rain showers in the evening, then chance
of rain showers overnight. waves 3 to 5 ft subsiding to 1 to
3 ft. 
.friday...north winds 10 to 15 kt. chance of rain showers in the
morning. waves 1 to 3 ft. 
.friday night...north winds 10 to 15 kt. waves 1 to 3 ft. 
.saturday...north winds 10 to 20 kt. waves 3 to 5 ft. 
.saturday night...north winds 10 to 20 kt diminishing to 10 to
15 kt. waves 2 to 4 ft subsiding to 1 to 3 ft. 
.sunday...north winds 10 to 15 kt increasing to 10 to 20 kt.
waves 1 to 3 ft. 
.monday...northeast winds 10 to 15 kt. chance of showers. waves
1 to 3 ft.  

$$