FZUS53 KDTX 100308
NSHDTX
Experimental Tabular Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
1008 PM EST Tue Dec 9 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...Low pressure, 29.30 inches, tracking through the Western Great Lakes
tonight will move through southern Lower Michigan on Wednesday
bringing mostly snow and some rain. A period of gales is likely
behind the low passage Wednesday afternoon into Wednesday night over
much of southern Lake Huron.
LHZ422-100900-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
1008 PM EST Tue Dec 9 2025
...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE WEDNESDAY NIGHT...
.Overnight...
Weather.............Cloudy with chance of snow, then snow after
midnight.
Sfc winds...........South 5 to 10 knots becoming southeast 10 to 15
knots after midnight.
100-ft winds........South 10 to 15 knots becoming southeast 15 to
20 knots after midnight.
Sig waves...........1 to 3 feet.
Prob SmCrft/Gst.....49%/95%.
.WEDNESDAY...
Weather.............Cloudy with snow, then partly sunny in the
afternoon.
Sfc winds...........North 20 to 25 knots.
100-ft winds........North to 30 knots.
Sig waves...........3 to 5 feet.
Ocnl waves..........Around 6 feet.
Prob SmCrft/Gst.....52%/100%.
Prob Gale/Gst.......16%/26%.
.WEDNESDAY NIGHT...
Weather.............Partly cloudy.
Sfc winds...........Northwest 20 to 25 knots.
100-ft winds........Northwest to 30 knots.
Sig waves...........3 to 5 feet subsiding to 2 to 4 feet after
midnight.
Ocnl waves..........Around 6 feet in the evening.
Prob SmCrft/Gst.....50%/65%.
.THURSDAY...
Weather.............Partly sunny.
Sfc winds...........West 15 to 20 knots.
100-ft winds........West 20 to 25 knots.
Sig waves...........2 to 4 feet.
Prob SmCrft/Gst.....26%/65%.
.THURSDAY NIGHT...
Weather.............Mostly cloudy.
Sfc winds...........West 10 to 15 knots.
100-ft winds........West 15 to 20 knots.
Sig waves...........2 to 4 feet.
Prob SmCrft/Gst.....25%/51%.
Wave heights are for ice free areas.
.FORECAST DAYS 3 THROUGH 5...
.FRIDAY...Snow likely in the evening. chance of snow after
midnight. West winds 15 to 20 knots. Waves 6 to 9 feet.
.SATURDAY...Breezy. Chance of snow. West winds 20 to 25 knots.
Waves 6 to 9 feet.
.SUNDAY...Breezy. Chance of snow in the morning. Northwest winds
20 to 25 knots. Waves 6 to 9 feet.
$$
LHZ421-100900-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
1008 PM EST Tue Dec 9 2025
...GALE WARNING IN EFFECT FROM WEDNESDAY MORNING THROUGH
WEDNESDAY EVENING...
.Overnight...
Weather.............Cloudy with chance of snow, then snow after
midnight.
Sfc winds...........Southwest 10 to 15 knots becoming southeast
after midnight.
100-ft winds........Southwest 15 to 20 knots becoming southeast
after midnight.
Sig waves...........2 to 4 feet.
Prob SmCrft/Gst.....63%/99%.
Prob Gale/Gst.......30%/10%.
.WEDNESDAY...
Weather.............Cloudy with chance of snow and slight chance of
rain, then mostly cloudy with a slight chance
of snow in the afternoon.
Sfc winds...........North to 30 knots.
100-ft winds........North gales to 35 knots.
Sig waves...........8 to 12 feet.
Ocnl waves..........Around 12 feet.
Prob SmCrft/Gst.....77%/100%.
Prob Gale/Gst.......30%/43%.
.WEDNESDAY NIGHT...
Weather.............Mostly cloudy.
Sfc winds...........Northwest to 30 knots.
100-ft winds........Northwest gales to 35 knots.
Sig waves...........8 to 12 feet.
Ocnl waves..........Around 14 feet.
Prob SmCrft/Gst.....50%/78%.
.THURSDAY...
Weather.............Partly sunny.
Sfc winds...........Northwest 20 to 25 knots.
100-ft winds........Northwest to 30 knots.
Sig waves...........5 to 7 feet.
Ocnl waves..........Around 9 feet.
Prob SmCrft/Gst.....50%/78%.
.THURSDAY NIGHT...
Weather.............Mostly cloudy.
Sfc winds...........West 15 to 20 knots.
100-ft winds........West 20 to 25 knots.
Sig waves...........4 to 6 feet.
Ocnl waves..........Around 6 feet.
Prob SmCrft/Gst.....50%/57%.
Wave heights are for ice free areas.
.FORECAST DAYS 3 THROUGH 5...
.FRIDAY...Snow likely in the evening. chance of snow after
midnight. West winds 15 to 20 knots. Waves 6 to 9 feet.
.SATURDAY...Breezy. Chance of snow. West winds 20 to 25 knots.
Waves 6 to 9 feet.
.SUNDAY...Breezy. Chance of snow in the morning. Northwest winds
20 to 25 knots. Waves 6 to 9 feet.
$$
LHZ441-100900-
Port Austin to Harbor Beach MI-
1008 PM EST Tue Dec 9 2025
...GALE WARNING IN EFFECT FROM WEDNESDAY MORNING THROUGH
WEDNESDAY EVENING...
.Overnight...
Weather.............Cloudy with chance of snow, then cloudy with
chance of snow and slight chance of rain after
midnight.
Sfc winds...........Southwest 10 to 15 knots.
100-ft winds........Southwest 15 to 20 knots.
Sig waves...........2 to 4 feet.
Prob SmCrft/Gst.....58%/99%.
Prob Gale/Gst.......29%/15%.
.WEDNESDAY...
Weather.............Cloudy with snow and slight chance of rain,
then mostly cloudy with a slight chance of snow
in the afternoon.
Sfc winds...........Northeast 15 to 20 knots increasing to north to
30 knots in the afternoon.
100-ft winds........Northeast 20 to 25 knots increasing to north
gales to 35 knots in the afternoon.
Sig waves...........6 to 9 feet building to 8 to 12 feet in the
afternoon.
Ocnl waves..........Around 10 feet building to around 15 feet in
the afternoon.
Prob SmCrft/Gst.....95%/99%.
Prob Gale/Gst.......30%/77%.
.WEDNESDAY NIGHT...
Weather.............Mostly cloudy with chance of snow.
Sfc winds...........Northwest gales to 35 knots decreasing to 30
knots after midnight.
100-ft winds........Northwest gales to 45 knots decreasing to 35
knots after midnight.
Sig waves...........10 to 14 feet.
Ocnl waves..........Around 16 feet.
Prob SmCrft/Gst.....66%/99%.
Prob Gale/Gst.......29%/26%.
.THURSDAY...
Weather.............Mostly cloudy, then chance of snow in the
afternoon.
Sfc winds...........Northwest to 30 knots.
100-ft winds........Northwest gales to 35 knots.
Sig waves...........6 to 9 feet.
Ocnl waves..........Around 11 feet.
Prob SmCrft/Gst.....66%/99%.
Prob Gale/Gst.......3%/26%.
.THURSDAY NIGHT...
Weather.............Mostly cloudy.
Sfc winds...........West 20 to 25 knots.
100-ft winds........West to 30 knots.
Sig waves...........4 to 6 feet.
Ocnl waves..........Around 8 feet.
Prob SmCrft/Gst.....54%/66%.
.FORECAST DAYS 3 THROUGH 5...
.FRIDAY...Snow likely in the evening. chance of snow after
midnight. West winds 15 to 20 knots. Waves 4 to 6 feet.
.SATURDAY...Breezy. Chance of snow. West winds 20 to 25 knots.
Waves 4 to 6 feet.
.SUNDAY...Breezy. Chance of snow in the morning. Northwest winds
20 to 25 knots. Waves 3 to 5 feet.
$$
LHZ442-100900-
Harbor Beach to Port Sanilac MI-
1008 PM EST Tue Dec 9 2025
...GALE WARNING IN EFFECT FROM WEDNESDAY MORNING THROUGH
WEDNESDAY EVENING...
.Overnight...
Weather.............Cloudy with chance of snow, then snow and
slight chance of rain after midnight.
Sfc winds...........Southwest 10 to 15 knots.
100-ft winds........Southwest 15 to 20 knots.
Sig waves...........2 to 4 feet.
Prob SmCrft/Gst.....68%/99%.
Prob Gale/Gst.......10%/28%.
.WEDNESDAY...
Weather.............Snow and slight chance of rain, then mostly
cloudy with chance of snow and slight chance of
rain in the afternoon.
Sfc winds...........Southeast 10 to 15 knots increasing to north to
30 knots in the afternoon.
100-ft winds........Southeast 15 to 20 knots increasing to north
gales to 35 knots in the afternoon.
Sig waves...........4 to 6 feet building to 8 to 12 feet in the
afternoon.
Ocnl waves..........Around 7 feet building to around 14 feet in the
afternoon.
Prob SmCrft/Gst.....94%/99%.
Prob Gale/Gst.......11%/75%.
.WEDNESDAY NIGHT...
Weather.............Mostly cloudy with chance of snow.
Sfc winds...........Northwest to 30 knots.
100-ft winds........Northwest gales to 35 knots.
Sig waves...........8 to 12 feet.
Ocnl waves..........Around 14 feet.
Prob SmCrft/Gst.....66%/99%.
Prob Gale/Gst.......10%/20%.
.THURSDAY...
Weather.............Partly sunny, then chance of snow in the
afternoon.
Sfc winds...........West 20 to 25 knots.
100-ft winds........West to 30 knots.
Sig waves...........5 to 7 feet.
Ocnl waves..........Around 9 feet.
Prob SmCrft/Gst.....65%/99%.
Prob Gale/Gst.......1%/20%.
.THURSDAY NIGHT...
Weather.............Mostly cloudy.
Sfc winds...........West 15 to 20 knots.
100-ft winds........West 20 to 25 knots.
Sig waves...........3 to 5 feet.
Ocnl waves..........Around 6 feet.
Prob SmCrft/Gst.....52%/64%.
.FORECAST DAYS 3 THROUGH 5...
.FRIDAY...Snow likely in the evening. chance of snow after
midnight. West winds 15 to 20 knots. Waves 4 to 6 feet.
.SATURDAY...Breezy. Chance of snow. West winds 20 to 25 knots.
Waves 4 to 6 feet.
.SUNDAY...Breezy. Chance of snow in the morning. Northwest winds
20 to 25 knots. Waves 3 to 5 feet.
$$
LHZ443-100900-
Port Sanilac to Port Huron MI-
1008 PM EST Tue Dec 9 2025
...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE WEDNESDAY NIGHT...
.Overnight...
Weather.............Cloudy with chance of snow, then snow and
slight chance of rain after midnight.
Sfc winds...........South 10 to 15 knots.
100-ft winds........South 15 to 20 knots.
Sig waves...........2 to 4 feet.
Prob SmCrft/Gst.....51%/100%.
.WEDNESDAY...
Weather.............Rain and snow, then snow likely and slight
chance of rain in the afternoon.
Sfc winds...........South 10 to 15 knots increasing to north to 30
knots in the afternoon.
100-ft winds........South 15 to 20 knots increasing to north gales
to 35 knots in the afternoon.
Sig waves...........2 to 4 feet building to 6 to 9 feet in the
afternoon.
Ocnl waves..........Around 12 feet in the afternoon.
Prob SmCrft/Gst.....64%/100%.
Prob Gale/Gst.......17%/34%.
.WEDNESDAY NIGHT...
Weather.............Mostly cloudy with chance of snow.
Sfc winds...........Northwest to 30 knots.
100-ft winds........Northwest gales to 35 knots.
Sig waves...........8 to 12 feet subsiding to 5 to 7 feet after
midnight.
Ocnl waves..........Around 13 feet subsiding to around 9 feet after
midnight.
Prob SmCrft/Gst.....50%/97%.
.THURSDAY...
Weather.............Partly sunny, then chance of snow in the
afternoon.
Sfc winds...........West 20 to 25 knots.
100-ft winds........West to 30 knots.
Sig waves...........3 to 5 feet.
Ocnl waves..........Around 6 feet.
Prob SmCrft/Gst.....49%/97%.
.THURSDAY NIGHT...
Weather.............Mostly cloudy.
Sfc winds...........West 15 to 20 knots.
100-ft winds........West 20 to 25 knots.
Sig waves...........2 to 4 feet.
Ocnl waves..........Around 5 feet in the evening.
Prob SmCrft/Gst.....49%/42%.
.FORECAST DAYS 3 THROUGH 5...
.FRIDAY...Snow likely in the evening. chance of snow after
midnight. West winds 15 to 20 knots. Waves 4 to 6 feet.
.SATURDAY...Breezy. Chance of snow. West winds 20 to 25 knots.
Waves 4 to 6 feet.
.SUNDAY...Breezy. Chance of snow in the morning. Northwest winds
20 to 25 knots. Waves 3 to 5 feet.
$$
LEZ444-100900-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
1008 PM EST Tue Dec 9 2025
...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE WEDNESDAY NIGHT...
.Overnight...
Weather.............Cloudy with chance of rain and snow, then rain
and snow after midnight.
Sfc winds...........Southwest 20 to 25 knots.
100-ft winds........Southwest to 30 knots.
Sig waves...........3 to 5 feet.
Ocnl waves..........Around 7 feet.
Prob SmCrft/Gst.....52%/98%.
Prob Gale/Gst.......4%/16%.
.WEDNESDAY...
Weather.............Rain likely, then rain with snow likely in the
afternoon.
Sfc winds...........Southwest 20 to 25 knots.
100-ft winds........Southwest to 30 knots.
Sig waves...........4 to 6 feet.
Ocnl waves..........Around 7 feet.
Prob SmCrft/Gst.....54%/98%.
Prob Gale/Gst.......4%/22%.
.WEDNESDAY NIGHT...
Weather.............Mostly cloudy.
Sfc winds...........Northwest 20 to 25 knots.
100-ft winds........Northwest to 30 knots.
Sig waves...........2 to 4 feet.
Ocnl waves..........Around 5 feet in the evening.
Prob SmCrft/Gst.....47%/68%.
.THURSDAY...
Weather.............Mostly sunny.
Sfc winds...........West 15 to 20 knots.
100-ft winds........West 20 to 25 knots.
Sig waves...........2 to 4 feet.
Prob SmCrft/Gst.....19%/68%.
.THURSDAY NIGHT...
Weather.............Mostly cloudy.
Sfc winds...........West 10 to 15 knots.
100-ft winds........West 15 to 20 knots.
Sig waves...........2 to 4 feet.
Prob SmCrft/Gst.....19%/45%.
.FORECAST DAYS 3 THROUGH 5...
.FRIDAY...Snow likely in the evening. chance of snow after
midnight. West winds 15 to 20 knots. Waves 4 to 6 feet.
.SATURDAY...Breezy. Chance of snow. West winds 20 to 25 knots.
Waves 4 to 6 feet.
.SUNDAY...Breezy. Chance of snow in the morning. Northwest winds
20 to 25 knots. Waves 3 to 5 feet.
$$
Occasional waves will only be displayed when values meet or exceed 5 feet.
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