(1/5)
Latest Great Lakes Marine Forecast by KCLE
Issued 3/18/2026 9:21 AM America/New_York.
Valid through 3/18/2026 4:15 PM America/New_York.
fzus61 kcle 181321
glfle
expires:202603182015;;900987
open lake forecast for lake erie
national weather service cleveland oh
921 am edt wed mar 18 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 30.40 inches over lake erie will slowly drift east
through friday. a warm front will move north across lake erie on
thursday. a weak cold front will push southeast across the lake on
sunday as low pressure 29.70 inches drifts northeast towards
labrador. high pressure 30.40 inches returns for the start of next
week.
lez162>164-182015-
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-
921 am edt wed mar 18 2026
.this afternoon...south winds 10 to 15 knots increasing to 15 to
20 knots. a slight chance of snow. waves 1 to
2 feet.
.tonight...south winds 10 to 15 knots becoming southwest. a
slight chance of snow early. waves 1 to 2 feet.
.thursday...southwest winds 5 to 10 knots becoming west. a chance
of rain. waves 2 feet or less.
.thursday night...west winds 10 knots or less becoming south. a
chance of rain in the evening. waves 1 foot or less.
.friday...south winds 5 to 15 knots becoming northwest. a chance
of rain during the day. waves 2 feet or less.
.saturday...northwest winds 10 to 15 knots becoming southwest.
waves 1 to 2 feet.
.sunday...west winds 15 to 25 knots becoming north. a chance of
rain during the day. waves 1 to 3 feet building to 2 to 4 feet.
$$
(2/5)
Latest Great Lakes Marine Forecast by KDTX
Issued 3/18/2026 9:45 AM America/New_York.
Valid through 3/18/2026 5:45 PM America/New_York.
fzus63 kdtx 181345
glfsc
expires:202603182145;;901289
lake st clair forecast
national weather service detroit/pontiac mi
945 am edt wed mar 18 2026
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...moderate southerly winds return as a warm front lifts
through the central great lakes region. expect a few flurries.
lighter winds on thursday as a weakening cold front approaches
and washes out.
lcz460-182145-
lake st clair-
945 am edt wed mar 18 2026
.rest of today...south winds 10 to 15 knots increasing to 15 to 20
knots in the afternoon. mostly cloudy. scattered flurries in the
afternoon. waves 1 to 3 feet.
.tonight...south winds 10 to 15 knots becoming southwest 5 to 10
knots early in the morning. mostly cloudy becoming partly cloudy
after midnight becoming mostly cloudy. scattered flurries early in
the evening. waves 2 feet or less.
.thursday...southwest winds 5 to 10 knots. mostly cloudy. a chance
of light rain and snow showers until late afternoon. waves 2 feet or
less.
.thursday night...light and variable winds becoming southeast 5 to
10 knots in the late evening and overnight. partly cloudy becoming
mostly cloudy. waves 2 feet or less.
.friday...south winds 5 to 10 knots veering to the west in the
evening. mostly cloudy with a chance of light showers. waves 2 feet
or less.
.saturday...southwest winds 10 to 15 knots. partly cloudy. waves 2
feet or less.
.sunday...north winds 15 to 20 knots. partly cloudy. a chance of
light rain. waves 1 to 3 feet.
$$
(3/5)
Latest Great Lakes Marine Forecast by KDTX
Issued 3/18/2026 9:44 AM America/New_York.
Valid through 3/18/2026 5:45 PM America/New_York.
fzus63 kdtx 181344
glflh
expires:202603182145;;901287
open lake forecast for lake huron
national weather service detroit/pontiac mi
944 am edt wed mar 18 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...moderate southerly winds return as a warm front lifts
through the central great lakes region. expect a few flurries.
lighter winds on thursday as a weakening cold front approaches
and washes out.
lhz363-462>464-182145-
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-
944 am edt wed mar 18 2026
.rest of today...south winds 15 to 20 knots. waves 3 to 5 feet.
.tonight...south winds 15 to 20 knots decreasing to 10 to
15 knots after midnight. waves 4 to 6 feet. waves occasionally
around 8 feet.
.thursday...southwest winds 5 to 10 knots. waves 2 to 4 feet
subsiding to 1 to 3 feet in the late morning and afternoon.
.thursday night...north winds 5 to 10 knots veering to the
southeast by midnight...then veering to the south after midnight.
waves 2 feet or less.
.friday...south winds 10 to 15 knots decreasing to 5 to 10 knots
late in the afternoon...then becoming northwest 10 to 15 knots
late in the evening. a chance of showers. waves 1 to 3 feet.
.saturday...northwest winds 10 to 15 knots backing to the
southwest in the late morning and early afternoon...then backing
to the south early in the evening becoming west 15 to 20 knots by
midnight. a chance of rain and snow by midnight. waves 2 to
4 feet.
.sunday...north winds 15 to 20 knots increasing to 20 to
25 knots. a chance of snow early in the morning. a chance of rain
until afternoon. waves 6 to 9 feet building to 8 to 12 feet by
midnight. waves occasionally around 15 feet.
$$
(4/5)
Latest Great Lakes Marine Forecast by KMKX
Issued 3/18/2026 8:47 AM US/Central.
Valid through 3/18/2026 4:30 PM US/Central.
fzus63 kmkx 181347
glflm
expires:202603182130;;901365
open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
847 am cdt wed mar 18 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 to moderate south-southwest continue this morning as high
pressure around 30.4 inches moves through the mid-atlanic region
this morning. will see southwest winds gradually increase today as
low pressure around 29.8 inches progresses through the southern
canadian prairies into ontario. then a weak cold front will slowly
pass across lake michigan thursday night, bringing northerly
winds on friday. breezy southerly winds are expected saturday
ahead of an approaching low, with gusty northerly winds likely
sunday behind the low and associated cold front.
lmz261-362-364-366-563-565-567-868-182130-
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-
847 am cdt wed mar 18 2026
sheboygan wi to pentwater mi north...
.rest of today...south winds 15 to 25 kt increasing to 30 kt,
then becoming southwest 15 to 25 kt late. chance of snow. waves
4 to 7 ft occasionally to 9 ft building to 8 to 11 ft
occasionally to 14 ft.
.tonight...southwest winds 15 to 25 kt diminishing to 10 to 20 kt
late in the evening, then becoming west after midnight
diminishing to 10 to 15 kt late. slight chance of light freezing
rain and snow in the evening, then chance of rain and slight
chance of light freezing rain overnight. waves 6 to 9 ft
occasionally to 12 ft subsiding to 2 to 4 ft.
.thursday...southwest winds 10 to 15 kt veering to north 5 to
10 kt. waves 1 to 3 ft subsiding to 1 to 2 ft.
.thursday night...north winds 5 to 10 kt backing to southwest
10 to 15 kt. waves 1 to 2 ft.
.friday...southwest winds 10 to 15 kt increasing to 10 to 20 kt.
chance of snow in the morning. waves 2 to 4 ft.
.friday night...northwest winds 10 to 20 kt diminishing to 10 to
15 kt. waves 1 to 3 ft.
.saturday...south winds 10 to 20 kt. waves 1 to 3 ft.
.sunday...northeast winds to 30 kt becoming north. waves 6 to
9 ft occasionally to 12 ft.
$$
(5/5)
Latest Great Lakes Marine Forecast by KMKX
Issued 3/18/2026 8:47 AM US/Central.
Valid through 3/18/2026 4:30 PM US/Central.
fzus63 kmkx 181347
glflm
expires:202603182130;;901366
open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
847 am cdt wed mar 18 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 to moderate south-southwest continue this morning as high
pressure around 30.4 inches moves through the mid-atlanic region
this morning. will see southwest winds gradually increase today as
low pressure around 29.8 inches progresses through the southern
canadian prairies into ontario. then a weak cold front will slowly
pass across lake michigan thursday night, bringing northerly
winds on friday. breezy southerly winds are expected saturday
ahead of an approaching low, with gusty northerly winds likely
sunday behind the low and associated cold front.
lmz080-669-671-673-675-777-779-870-872-874-876-878-182130-
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-
847 am cdt wed mar 18 2026
sheboygan wi to pentwater mi south...
.rest of today...south winds to 30 kt diminishing to 10 to 20 kt.
snow through mid morning. waves 5 to 8 ft occasionally to 10 ft
building to 7 to 10 ft occasionally to 13 ft.
.tonight...southwest winds 10 to 20 kt diminishing to 10 to
15 kt. chance of rain overnight. waves 5 to 8 ft occasionally to
10 ft subsiding to 2 to 4 ft.
.thursday...south winds 5 to 10 kt veering to north. chance of
rain. waves 1 to 2 ft.
.thursday night...north winds 5 to 10 kt veering to south. waves
1 to 2 ft.
.friday...south winds 10 to 15 kt becoming southwest. waves 1 to
3 ft.
.friday night...northwest winds 10 to 15 kt becoming north. waves
1 to 3 ft.
.saturday...south winds 10 to 15 kt increasing to 10 to 20 kt.
waves 1 to 3 ft.
.sunday...north winds to 30 kt. waves 7 to 10 ft occasionally to
13 ft building to 8 to 11 ft occasionally to 14 ft.
$$
|