(1/4)
Latest Great Lakes Marine Forecast by KDTX
Issued 2/4/2026 9:56 AM America/New_York.
Valid through 2/4/2026 6:00 PM America/New_York.
fzus63 kdtx 041456
glflh
expires:202602042300;;076723
open lake forecast for lake huron
national weather service detroit/pontiac mi
956 am est wed feb 4 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...modest northwest winds continue to diminish as high
pressure, 30.50 inches, builds in across the great lakes region
today into thursday. an clipper and arctic cold front cross the
central great lakes late friday-saturday bringing the next chances
for gales.
lhz361-042300-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
956 am est wed feb 4 2026
...heavy freezing spray watch in effect from friday afternoon
through late friday night...
.rest of today...northwest winds 5 to 10 knots. waves 2 feet or
less.
.tonight...west winds 5 to 10 knots. waves 2 feet or less.
.thursday...south winds 5 to 10 knots increasing to 10 to
15 knots in the late morning and afternoon. a chance of snow in
the afternoon. waves 1 to 3 feet.
.thursday night...southwest winds 10 to 15 knots. snow likely in
the evening...then a chance of snow after midnight. waves 2 to
4 feet.
.friday...southwest winds 10 to 15 knots becoming northwest 20 to
25 knots with gusts to 30 knots late in the morning...then
decreasing to 15 to 20 knots late in the evening. a chance of snow
in the morning. heavy freezing spray late in the afternoon. waves
1 to 3 feet building to 5 to 7 feet. waves occasionally around 10
feet.
.saturday...northwest winds 10 to 15 knots decreasing to 5 to
10 knots early in the evening...then veering to the northwest
5 to 10 knots by midnight. waves 2 to 4 feet subsiding to 1 to
3 feet.
.sunday...southeast winds 5 to 10 knots veering to the south by
midnight. waves 1 to 3 feet.
wave heights are for ice free areas.
$$
(2/4)
Latest Great Lakes Marine Forecast by KDTX
Issued 2/4/2026 9:56 AM America/New_York.
Valid through 2/4/2026 6:00 PM America/New_York.
fzus63 kdtx 041456
glflh
expires:202602042300;;076724
open lake forecast for lake huron
national weather service detroit/pontiac mi
956 am est wed feb 4 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...modest northwest winds continue to diminish as high
pressure, 30.50 inches, builds in across the great lakes region
today into thursday. an clipper and arctic cold front cross the
central great lakes late friday-saturday bringing the next chances
for gales.
lhz362-363-462-042300-
lake huron from presque isle light to sturgeon point mi beyond
5nm off shore-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
lake huron from port austin to harbor beach beyond 5nm off shore-
956 am est wed feb 4 2026
...gale watch in effect from friday afternoon through late friday
night...
...heavy freezing spray watch in effect from friday afternoon
through late friday night...
.rest of today...northwest winds 5 to 10 knots. waves 1 to
3 feet.
.tonight...west winds 5 to 10 knots. waves 1 to 3 feet.
.thursday...southwest winds 5 to 10 knots becoming south 15 to
20 knots. a chance of snow in the afternoon. waves 2 feet or less
building to 3 to 5 feet in the late morning and afternoon.
.thursday night...south winds 15 to 20 knots. a chance of snow.
waves 4 to 6 feet. waves occasionally around 8 feet.
.friday...southwest winds 10 to 15 knots becoming northwest 20 to
25 knots with gusts to 35 knot gales late in the morning...then
increasing to 35 knot gales with gusts to 40 knot gales late in
the afternoon becoming north 20 to 25 knots with gusts to 35 knot
gales late in the evening. a chance of snow. heavy freezing
spray. waves 2 to 4 feet building to 12 to 16 feet. waves
occasionally around 20 feet. a gale warning may be needed.
.saturday...northwest winds 20 to 25 knots becoming north 10 to
15 knots. heavy freezing spray. waves 8 to 12 feet subsiding to
3 to 5 feet . waves occasionally around 15 feet.
.sunday...southeast winds 10 to 15 knots veering to the southwest
by midnight. waves 2 to 4 feet.
wave heights are for ice free areas.
$$
(3/4)
Latest Great Lakes Marine Forecast by KMKX
Issued 2/4/2026 2:26 PM US/Central.
Valid through 2/4/2026 10:45 PM US/Central.
fzus63 kmkx 042026
glflm
expires:202602050445;;089828
open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
226 pm cst wed feb 4 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 of 30.5 inches overhead this afternoon will shift
to the southeast this evening into tonight ahead of an
approaching shortwave. light winds will pick up later tonight
into thursday out of the southwest as the pressure gradient
tightens.
low pressure of 29.4 inches will head eastward through james
bay thursday night and continue eastward into quebec on friday,
dragging a cold front through the great lakes region. moderate
westerly winds thursday night will increase out of the northwest
friday behind the front. a gale watch is in effect for the open
waters from mid-morning friday through the evening hours.
additionally, a period of heavy freezing spray is looking likely
from friday afternoon through friday night.
lmz261-362-364-366-563-565-567-868-050445-
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-
226 pm cst wed feb 4 2026
sheboygan wi to pentwater mi north...
...gale watch in effect from friday morning through friday
evening...
.tonight...west winds 5 to 10 kt becoming southwest 10 to 15 kt.
slight chance of snow this evening. waves 1 to 3 ft.
.thursday...southwest winds 10 to 20 kt increasing to 15 to
25 kt. chance of snow. waves 2 to 4 ft building to 4 to 6 ft
occasionally to 8 ft.
.thursday night...west winds 10 to 20 kt. snow overnight. waves
4 to 6 ft occasionally to 8 ft subsiding to 3 to 5 ft.
.friday...northwest gales to 35 kt becoming north gales to 40 kt.
chance of snow. freezing spray in the afternoon. waves 6 to 9 ft
occasionally to 12 ft building to 12 to 16 ft occasionally to
21 ft.
.friday night...north gales to 40 kt diminishing to 30 kt
overnight. chance of snow in the evening. heavy freezing spray.
waves 12 to 16 ft occasionally to 21 ft.
.saturday...north winds 10 to 20 kt becoming northwest 10 to
15 kt. waves 5 to 8 ft occasionally to 10 ft subsiding to 3 to
5 ft.
.saturday night...south winds 10 to 20 kt. waves 2 to 4 ft
building to 4 to 6 ft occasionally to 8 ft.
.sunday...south winds 10 to 20 kt. waves 4 to 7 ft occasionally
to 9 ft.
.monday...southwest winds 10 to 20 kt becoming south 10 to 15 kt.
waves 4 to 6 ft occasionally to 8 ft.
$$
(4/4)
Latest Great Lakes Marine Forecast by KMKX
Issued 2/4/2026 2:26 PM US/Central.
Valid through 2/4/2026 10:45 PM US/Central.
fzus63 kmkx 042026
glflm
expires:202602050445;;089829
open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
226 pm cst wed feb 4 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 of 30.5 inches overhead this afternoon will shift
to the southeast this evening into tonight ahead of an
approaching shortwave. light winds will pick up later tonight
into thursday out of the southwest as the pressure gradient
tightens.
low pressure of 29.4 inches will head eastward through james
bay thursday night and continue eastward into quebec on friday,
dragging a cold front through the great lakes region. moderate
westerly winds thursday night will increase out of the northwest
friday behind the front. a gale watch is in effect for the open
waters from mid-morning friday through the evening hours.
additionally, a period of heavy freezing spray is looking likely
from friday afternoon through friday night.
lmz080-669-671-673-675-777-779-870-872-874-876-878-050445-
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-
226 pm cst wed feb 4 2026
sheboygan wi to pentwater mi south...
...gale watch in effect from friday morning through friday
evening...
.tonight...northwest winds 5 to 10 kt becoming southwest 10 to
15 kt. waves 1 to 3 ft.
.thursday...southwest winds 10 to 20 kt. chance of snow. waves
2 to 4 ft building to 4 to 7 ft occasionally to 9 ft.
.thursday night...southwest winds 10 to 20 kt becoming west.
chance of snow in the evening, then snow likely overnight. waves
4 to 7 ft occasionally to 9 ft.
.friday...northwest gales to 35 kt becoming north gales to 40 kt.
chance of snow in the morning. waves 5 to 8 ft occasionally to
10 ft building to 12 to 16 ft occasionally to 21 ft.
.friday night...north gales to 40 kt diminishing to 30 kt
overnight. freezing spray. waves 12 to 16 ft occasionally to
21 ft.
.saturday...north winds 10 to 20 kt becoming northwest 10 to
15 kt. freezing spray in the morning. waves 7 to 10 ft
occasionally to 13 ft subsiding to 4 to 7 ft occasionally to
9 ft.
.saturday night...south winds 10 to 20 kt. waves 2 to 4 ft
building to 4 to 6 ft occasionally to 8 ft.
.sunday...south winds 10 to 20 kt. waves 4 to 7 ft occasionally
to 9 ft.
.monday...southwest winds 10 to 20 kt becoming south. waves 4 to
6 ft occasionally to 8 ft.
$$
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