FZUS53 KDTX 270908
NSHDTX
Experimental Tabular Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
408 AM EST Thu Nov 27 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, begins to depart for northeastern
Ontario Thursday setting up northwesterly flow in its wake. Despite
departure, influence of the system maintains strong winds and lake
effect snow showers through Thursday into early Friday. High
pressure, 30.40 inches, then gradually expands across the region
Friday into Saturday. Another low, 29.60 inches, is forecast to lift
across the southern Great Lakes from the Midwest Saturday night and
Sunday, bringing widespread snow with a chance for gusty winds in
the wake of the system Sunday night.
LHZ422-271500-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
408 AM EST Thu Nov 27 2025
...GALE WARNING IN EFFECT THROUGH FRIDAY MORNING...
.Today...
Weather.............Mostly cloudy with chance of snow.
Sfc winds...........West gales to 35 knots.
100-ft winds........West gales to 45 knots.
Sig waves...........5 to 7 feet.
Ocnl waves..........Around 8 feet.
Prob SmCrft/Gst.....58%/100%.
Prob Gale/Gst.......37%/72%.
.TONIGHT...
Weather.............Mostly cloudy with chance of snow.
Sfc winds...........West to 30 knots.
100-ft winds........West gales to 35 knots.
Sig waves...........4 to 6 feet.
Ocnl waves..........Around 7 feet.
Prob SmCrft/Gst.....50%/100%.
Prob Gale/Gst.......37%/13%.
.FRIDAY...
Weather.............Partly sunny.
Sfc winds...........Northwest to 30 knots.
100-ft winds........Northwest gales to 35 knots.
Sig waves...........3 to 5 feet.
Ocnl waves..........Around 6 feet.
Prob SmCrft/Gst.....50%/100%.
Prob Gale/Gst.......4%/13%.
.FRIDAY NIGHT...
Weather.............Mostly cloudy.
Sfc winds...........West 20 to 25 knots decreasing to 10 to 15
knots after midnight.
100-ft winds........West to 30 knots decreasing to 15 to 20 knots
after midnight.
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.....49%/26%.
.FORECAST DAYS 3 THROUGH 5...
.SATURDAY...Chance of snow in the afternoon. Snow. South winds
10 to 15 knots. Waves 3 to 5 feet.
.SUNDAY...Breezy. Snow in the morning. snow likely in the
afternoon, then chance of snow in the evening. West winds 20 to
25 knots. Waves 5 to 7 feet.
.MONDAY...Chance of snow. West winds 10 to 15 knots. Waves 2 to
4 feet.
$$
LHZ421-271500-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
408 AM EST Thu Nov 27 2025
...GALE WARNING IN EFFECT THROUGH FRIDAY MORNING...
.Today...
Weather.............Snow likely.
Sfc winds...........West gales to 35 knots.
100-ft winds........West gales to 45 knots.
Sig waves...........8 to 12 feet.
Ocnl waves..........Around 13 feet.
Prob SmCrft/Gst.....93%/100%.
Prob Gale/Gst.......44%/69%.
.TONIGHT...
Weather.............Cloudy with snow likely, then mostly cloudy
with a slight chance of snow after midnight.
Sfc winds...........Northwest to 30 knots.
100-ft winds........Northwest gales to 35 knots.
Sig waves...........8 to 12 feet.
Ocnl waves..........Around 13 feet.
Prob SmCrft/Gst.....63%/100%.
Prob Gale/Gst.......44%/14%.
.FRIDAY...
Weather.............Partly sunny.
Sfc winds...........Northwest to 30 knots.
100-ft winds........Northwest gales to 35 knots.
Sig waves...........6 to 9 feet.
Ocnl waves..........Around 11 feet.
Prob SmCrft/Gst.....63%/100%.
Prob Gale/Gst.......18%/14%.
.FRIDAY NIGHT...
Weather.............Mostly cloudy.
Sfc winds...........West 20 to 25 knots.
100-ft winds........West to 30 knots.
Sig waves...........4 to 6 feet.
Ocnl waves..........Around 8 feet.
Prob SmCrft/Gst.....51%/34%.
.FORECAST DAYS 3 THROUGH 5...
.SATURDAY...Chance of snow in the afternoon. Snow. South winds
10 to 15 knots. Waves 3 to 5 feet.
.SUNDAY...Breezy. Snow in the morning. snow likely in the
afternoon, then chance of snow in the evening. West winds 20 to
25 knots. Waves 5 to 7 feet.
.MONDAY...Chance of snow. West winds 10 to 15 knots. Waves 2 to
4 feet.
$$
LHZ441-271500-
Port Austin to Harbor Beach MI-
408 AM EST Thu Nov 27 2025
...GALE WARNING IN EFFECT THROUGH FRIDAY MORNING...
.Today...
Weather.............Snow likely.
Sfc winds...........West gales to 35 knots.
100-ft winds........West gales to 45 knots.
Sig waves...........8 to 12 feet.
Ocnl waves..........Around 14 feet.
Prob SmCrft/Gst.....98%/100%.
Prob Gale/Gst.......45%/94%.
.TONIGHT...
Weather.............Snow likely.
Sfc winds...........Northwest gales to 35 knots.
100-ft winds........Northwest gales to 45 knots.
Sig waves...........10 to 14 feet.
Ocnl waves..........Around 16 feet.
Prob SmCrft/Gst.....93%/100%.
Prob Gale/Gst.......44%/66%.
.FRIDAY...
Weather.............Partly sunny with chance of snow.
Sfc winds...........Northwest gales to 35 knots decreasing to 30
knots in the afternoon.
100-ft winds........Northwest gales to 45 knots decreasing to 35
knots in the afternoon.
Sig waves...........8 to 12 feet.
Ocnl waves..........Around 14 feet.
Prob SmCrft/Gst.....93%/100%.
Prob Gale/Gst.......17%/66%.
.FRIDAY NIGHT...
Weather.............Mostly cloudy with chance of snow, then mostly
cloudy after midnight.
Sfc winds...........Northwest to 30 knots becoming west 15 to 20
knots after midnight.
100-ft winds........Northwest gales to 35 knots becoming west 20 to
25 knots after midnight.
Sig waves...........5 to 7 feet.
Ocnl waves..........Around 9 feet.
Prob SmCrft/Gst.....52%/53%.
.FORECAST DAYS 3 THROUGH 5...
.SATURDAY...Chance of snow in the afternoon. Snow. South winds
10 to 15 knots. Waves 3 to 5 feet.
.SUNDAY...Breezy. Snow in the morning. snow likely in the
afternoon, then chance of snow in the evening. West winds 20 to
25 knots. Waves 5 to 7 feet.
.MONDAY...Chance of snow. West winds 10 to 15 knots. Waves 2 to
4 feet.
$$
LHZ442-271500-
Harbor Beach to Port Sanilac MI-
408 AM EST Thu Nov 27 2025
...GALE WARNING IN EFFECT THROUGH FRIDAY MORNING...
.Today...
Weather.............Snow likely.
Sfc winds...........West to 30 knots.
100-ft winds........West gales to 35 knots.
Sig waves...........5 to 7 feet.
Ocnl waves..........Around 9 feet.
Prob SmCrft/Gst.....98%/100%.
Prob Gale/Gst.......18%/93%.
.TONIGHT...
Weather.............Snow likely.
Sfc winds...........West to 30 knots.
100-ft winds........West gales to 35 knots.
Sig waves...........6 to 9 feet.
Ocnl waves..........Around 12 feet.
Prob SmCrft/Gst.....90%/100%.
Prob Gale/Gst.......17%/51%.
.FRIDAY...
Weather.............Partly sunny with chance of snow.
Sfc winds...........Northwest to 30 knots.
100-ft winds........Northwest gales to 35 knots.
Sig waves...........6 to 9 feet.
Ocnl waves..........Around 11 feet.
Prob SmCrft/Gst.....90%/100%.
Prob Gale/Gst.......6%/51%.
.FRIDAY NIGHT...
Weather.............Mostly cloudy.
Sfc winds...........West 20 to 25 knots.
100-ft winds........West to 30 knots.
Sig waves...........4 to 6 feet.
Ocnl waves..........Around 7 feet.
Prob SmCrft/Gst.....54%/74%.
.FORECAST DAYS 3 THROUGH 5...
.SATURDAY...Chance of snow in the afternoon. Snow. South winds
10 to 15 knots. Waves 3 to 5 feet.
.SUNDAY...Breezy. Snow in the morning. snow likely in the
afternoon, then chance of snow in the evening. West winds 20 to
25 knots. Waves 5 to 7 feet.
.MONDAY...Chance of snow. West winds 10 to 15 knots. Waves 2 to
4 feet.
$$
LHZ443-271500-
Port Sanilac to Port Huron MI-
408 AM EST Thu Nov 27 2025
...GALE WARNING IN EFFECT THROUGH FRIDAY MORNING...
.Today...
Weather.............Mostly cloudy with chance of snow.
Sfc winds...........West to 30 knots.
100-ft winds........West gales to 35 knots.
Sig waves...........4 to 6 feet.
Ocnl waves..........Around 8 feet.
Prob SmCrft/Gst.....73%/100%.
Prob Gale/Gst.......30%/76%.
.TONIGHT...
Weather.............Cloudy with snow likely, then mostly cloudy
with chance of snow after midnight.
Sfc winds...........West to 30 knots.
100-ft winds........West gales to 35 knots.
Sig waves...........4 to 6 feet.
Ocnl waves..........Around 8 feet.
Prob SmCrft/Gst.....56%/100%.
Prob Gale/Gst.......30%/23%.
.FRIDAY...
Weather.............Partly sunny, then chance of snow in the
afternoon.
Sfc winds...........West to 30 knots.
100-ft winds........West gales to 35 knots.
Sig waves...........4 to 6 feet.
Ocnl waves..........Around 8 feet.
Prob SmCrft/Gst.....56%/100%.
Prob Gale/Gst.......7%/23%.
.FRIDAY NIGHT...
Weather.............Partly cloudy.
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.....50%/40%.
.FORECAST DAYS 3 THROUGH 5...
.SATURDAY...Chance of snow in the afternoon. Snow. South winds
10 to 15 knots. Waves 3 to 5 feet.
.SUNDAY...Breezy. Snow in the morning. snow likely in the
afternoon, then chance of snow in the evening. West winds 20 to
25 knots. Waves 5 to 7 feet.
.MONDAY...Chance of snow. West winds 10 to 15 knots. Waves 2 to
4 feet.
$$
LEZ444-271500-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
408 AM EST Thu Nov 27 2025
...GALE WARNING IN EFFECT THROUGH LATE TONIGHT...
...LOW WATER ADVISORY IN EFFECT UNTIL 4 AM EST FRIDAY...
.Today...
Weather.............Mostly cloudy with snow likely, then mostly
cloudy with chance of snow in the afternoon.
Sfc winds...........West to 30 knots.
100-ft winds........West gales to 35 knots.
Sig waves...........3 to 5 feet.
Ocnl waves..........Around 7 feet.
Prob SmCrft/Gst.....59%/100%.
Prob Gale/Gst.......3%/24%.
.TONIGHT...
Weather.............Mostly cloudy with a slight chance of snow.
Sfc winds...........West to 30 knots.
100-ft winds........West gales to 35 knots.
Sig waves...........3 to 5 feet.
Ocnl waves..........Around 6 feet.
Prob SmCrft/Gst.....50%/99%.
.FRIDAY...
Weather.............Mostly sunny.
Sfc winds...........West 20 to 25 knots.
100-ft winds........West to 30 knots.
Sig waves...........2 to 4 feet.
Ocnl waves..........Around 5 feet in the morning.
Prob SmCrft/Gst.....44%/99%.
.FRIDAY NIGHT...
Weather.............Partly cloudy.
Sfc winds...........West 15 to 20 knots decreasing to 5 to 10 knots
after midnight.
100-ft winds........West 20 to 25 knots decreasing to 10 to 15
knots after midnight.
Sig waves...........2 to 4 feet.
Prob SmCrft/Gst.....44%/44%.
.FORECAST DAYS 3 THROUGH 5...
.SATURDAY...Chance of snow in the afternoon. Snow. South winds
10 to 15 knots. Waves 3 to 5 feet.
.SUNDAY...Breezy. Snow in the morning. snow likely in the
afternoon, then chance of snow in the evening. West winds 20 to
25 knots. Waves 5 to 7 feet.
.MONDAY...Chance of snow. West winds 10 to 15 knots. Waves 2 to
4 feet.
$$
Occasional waves will only be displayed when values meet or exceed 5 feet.
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