fzus61 kcle 161945
glfle 
expires:202604170215;;482065

open lake forecast for lake erie
national weather service cleveland oh
345 pm edt thu apr 16 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 weak trough averaging 29.90 inches resides over lake erie for
the time being before a cold front moves southeastward across the
lake this evening through tonight. behind the front, a high
pressure ridge averaging 30.00 inches builds from the northern
great lakes through friday. during friday night through 
saturday morning, the ridge will exit eastward and allow a warm 
front to sweep northward across lake erie. a cold front should 
then sweep eastward across lake erie late saturday afternoon 
through saturday night. behind the cold front, a trough averaging 
29.90 inches should linger over the lake through sunday before a 
ridge averaging 30.30 inches builds from the west by monday. on 
tuesday, the ridge should exit eastward and allow a warm front to 
sweep northward across lake erie.


lez162>164-170215-
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-
345 pm edt thu apr 16 2026

.tonight...west winds 5 to 10 knots becoming north. a chance of
showers and thunderstorms early, then a chance of showers late
this evening. waves 2 feet or less. 
.friday...northeast winds 10 knots or less becoming east. waves
1 foot or less. 
.friday night...east winds 5 to 15 knots becoming south 15 to
20 knots. showers likely with a chance of thunderstorms
overnight. waves 1 to 3 feet. 
.saturday...south winds 15 to 20 knots becoming west. showers
with a chance of thunderstorms in the morning, then showers in
the afternoon. waves 1 to 3 feet building to 2 to 4 feet. 
.saturday night...west winds 15 to 20 knots. showers likely in
the evening, then a chance of showers overnight. waves 2 to
4 feet. 
.sunday...west winds 15 to 20 knots becoming northwest. waves
1 to 3 feet building to 2 to 4 feet. 
.monday...northwest winds 5 to 15 knots becoming south 15 to
20 knots. waves 1 to 3 feet. 
.tuesday...south winds 15 to 20 knots becoming west. waves 1 to
3 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 161944
glfsc 
expires:202604170345;;482039

lake st clair forecast
national weather service detroit/pontiac mi
344 pm edt thu apr 16 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...weak area of low pressure, 29.60 inches, tracks into
the great lakes today maintaining periods of showers and
thunderstorms. a powerful cold front looks to cross the area on
saturday, with will present strong winds ahead and behind the
front.


lcz460-170345-
lake st clair-
344 pm edt thu apr 16 2026

.tonight...northwest winds 5 to 10 knots veering to the north in the
late evening and overnight. mostly cloudy this evening becoming
partly cloudy. a chance of thunderstorms early in the evening.
patchy fog early in the evening. areas of fog late in the
evening...then widespread fog after midnight. waves 2 feet or less.
.friday...light and variable winds becoming southeast 5 to 10 knots
late in the afternoon. partly sunny. widespread fog early in the
morning...then areas of fog late in the morning. waves 2 feet or
less.
.friday night...southeast winds 10 to 15 knots increasing to 15 to
20 knots after midnight. partly cloudy ...then mostly cloudy with
light showers likely and a chance of thunderstorms after midnight.
waves 2 feet or less.
.saturday...south winds 15 to 20 knots veering to the west early in
the afternoon. light showers and a chance of thunderstorms until
late afternoon...then light showers likely early in the afternoon.
waves 1 to 3 feet.
.saturday night...west winds 15 to 20 knots. partly cloudy. light
showers likely early in the evening...then a chance of light showers
by midnight. waves 1 to 3 feet.
.sunday...northwest winds 15 to 20 knots. mostly sunny in the
morning becoming partly cloudy. waves 1 to 3 feet.
.monday...south winds 10 to 15 knots. mostly clear. waves 2 feet or
less.
.tuesday...west winds 20 to 25 knots. partly cloudy. waves 2 to 4
feet.

$$

fzus63 kdtx 161944
glflh 
expires:202604170345;;482037

open lake forecast for lake huron
national weather service detroit/pontiac mi
344 pm edt thu apr 16 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...weak area of low pressure, 29.60 inches, tracks into
the great lakes today maintaining periods of showers and
thunderstorms. a powerful cold front looks to cross the area on
saturday, with will present strong winds ahead and behind the
front.


lhz363-462>464-170345-
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-
344 pm edt thu apr 16 2026

.tonight...north winds 5 to 10 knots  becoming light and
variable. areas of fog in the evening...then widespread fog after
midnight. waves 2 feet or less. 
.friday...light and variable winds becoming east 5 to 10 knots in
the afternoon. widespread fog in the morning. waves 2 feet or
less. 
.friday night...east winds 10 to 15 knots becoming southeast
20 to 25 knots with gusts to around 30 knots. a chance of showers
after midnight. waves 1 to 3 feet building to 4 to 6 feet in the
late evening and overnight. waves occasionally around 8 feet. 
.saturday...south winds 20 to 25 knots with gusts to around
30 knots decreasing to 15 to 20 knots with gusts to around
30 knots in the late morning and early afternoon...then veering
to the southwest early in the afternoon. showers in the morning...
then a chance of showers in the afternoon. waves 6 to 9 feet.
waves occasionally around 12 feet. 
.saturday night...west winds 15 to 20 knots. a chance of showers
in the evening. waves 5 to 7 feet. waves occasionally around
10 feet. 
.sunday...northwest winds 15 to 20 knots increasing to 20 to
25 knots late in the evening. waves 6 to 9 feet building to 8 to
12 feet late in the afternoon. waves occasionally around 15 feet.
.monday...northwest winds 15 to 20 knots decreasing to 10 to
15 knots in the late morning and early afternoon...then becoming
northeast 5 to 10 knots early in the evening becoming south 15 to
20 knots by midnight. waves 6 to 9 feet subsiding to 2 to 4 feet
early in the evening...then building to 4 to 6 feet by midnight.
waves occasionally around 12 feet. 
.tuesday...south winds 20 to 25 knots with gusts to around
30 knots becoming southwest 15 to 20 knots early in the evening...
then becoming west 10 to 15 knots by midnight. waves 6 to 9 feet
subsiding to 3 to 5 feet by midnight. waves occasionally around
12 feet. 


$$

fzus63 kmkx 161950
glflm 
expires:202604170315;;482163

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
250 pm cdt thu apr 16 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...

a weakening boundary is slowly moving toward the southern end of
lake michigan. this boundary is expected to clear the southern
end of lake michigan this evening, with winds becoming light and
variable tonight for a time as a weak surface ridge moves over
the lake. dense fog will continue over the lake through this
time. winds then come around to southerly tomorrow morning as a
surface low of 29.5 inches approaches from the central plains. 
this surface low will quickly move from omaha to duluth from the
morning into the afternoon. winds will become gusty and 
southeasterly friday night, and strong to severe storms will 
move east over the lake as a cold front sweeps through the area.
winds then become northwesterly behind the cold front saturday 
morning. breezy northwesterly winds then continue saturday 
through sunday as the low then races northeast toward hudson 
bay. 

winds ease monday morning as high pressure move southeast over
the upper great lakes.



lmz261-362-364-366-563-565-567-868-170315-
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 thu apr 16 2026

sheboygan wi to pentwater mi north...

...dense fog advisory in effect until 7 am cdt friday...

.tonight...northeast winds 5 to 10 kt veering to southeast.
patchy dense fog this evening, then areas of dense fog overnight.
waves 1 to 2 ft. 
.friday...southeast winds 10 to 15 kt increasing to 15 to 25 kt.
areas of dense fog in the morning, then patchy dense fog in the
afternoon. waves 1 to 3 ft building to 3 to 5 ft. 
.friday night...southeast winds 15 to 25 kt becoming southwest.
rain showers with a chance of thunderstorms. waves 5 to 8 ft
occasionally to 10 ft. 
.saturday...west winds 15 to 25 kt. chance of rain showers. waves
4 to 7 ft occasionally to 9 ft subsiding to 4 to 6 ft
occasionally to 8 ft. 
.saturday night...west winds 15 to 25 kt becoming northwest to
30 kt. waves 4 to 6 ft occasionally to 8 ft. 
.sunday...northwest winds to 30 kt. waves 4 to 6 ft occasionally
to 8 ft subsiding to 3 to 5 ft. 
.sunday night...north winds 15 to 25 kt diminishing to 10 to
20 kt. waves 2 to 4 ft. 
.monday...southwest winds 10 to 15 kt becoming south 10 to 20 kt.
waves 2 to 4 ft. 
.tuesday...southwest gales to 35 kt diminishing to 15 to 25 kt.
waves 7 to 10 ft occasionally to 13 ft.  

$$

fzus63 kmkx 161950
glflm 
expires:202604170315;;482164

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
250 pm cdt thu apr 16 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...

a weakening boundary is slowly moving toward the southern end of
lake michigan. this boundary is expected to clear the southern
end of lake michigan this evening, with winds becoming light and
variable tonight for a time as a weak surface ridge moves over
the lake. dense fog will continue over the lake through this
time. winds then come around to southerly tomorrow morning as a
surface low of 29.5 inches approaches from the central plains. 
this surface low will quickly move from omaha to duluth from the
morning into the afternoon. winds will become gusty and 
southeasterly friday night, and strong to severe storms will 
move east over the lake as a cold front sweeps through the area.
winds then become northwesterly behind the cold front saturday 
morning. breezy northwesterly winds then continue saturday 
through sunday as the low then races northeast toward hudson 
bay. 

winds ease monday morning as high pressure move southeast over
the upper great lakes.



lmz080-669-671-673-675-777-779-870-872-874-876-878-170315-
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 thu apr 16 2026

sheboygan wi to pentwater mi south...

...dense fog advisory in effect until 7 am cdt friday...

.tonight...north winds 5 to 10 kt veering to southeast. areas of
dense fog. waves 1 to 2 ft. 
.friday...southeast winds 5 to 10 kt increasing to 15 to 25 kt.
areas of dense fog in the morning, then patchy dense fog in the
afternoon. waves 1 to 2 ft building to 3 to 5 ft. 
.friday night...south winds 15 to 25 kt becoming southwest. rain
showers with a chance of thunderstorms. waves 5 to 8 ft
occasionally to 10 ft subsiding to 4 to 7 ft occasionally to
9 ft. 
.saturday...west winds 15 to 25 kt. chance of rain showers. waves
4 to 7 ft occasionally to 9 ft. 
.saturday night...west winds 10 to 20 kt increasing to 15 to
25 kt. waves 4 to 6 ft occasionally to 8 ft building to 4 to 7 ft
occasionally to 9 ft. 
.sunday...northwest winds 15 to 25 kt. waves 4 to 7 ft
occasionally to 9 ft. 
.sunday night...north winds 10 to 20 kt diminishing to 10 to
15 kt. waves 3 to 5 ft subsiding to 1 to 3 ft. 
.monday...southeast winds 10 to 15 kt increasing to 10 to 20 kt.
waves 2 to 4 ft. 
.tuesday...southwest winds to 30 kt diminishing to 15 to 25 kt.
waves 7 to 10 ft occasionally to 13 ft.  

$$