FZUS53 KDTX 130308
NSHDTX
Experimental Tabular Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
1108 PM EDT Sun Apr 12 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...A warm front stalls across the northern Great Lakes through much of
the week. Multiple passing disturbances bring rounds of showers,
thunderstorms, and gusty winds through Friday.
LHZ422-130800-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
1108 PM EDT Sun Apr 12 2026
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EDT MONDAY...
.Overnight...
Weather.............Mostly cloudy with a slight chance of showers
and thunderstorms, then showers and slight
chance of thunderstorms after midnight.
Sfc winds...........Southwest to 30 knots.
100-ft winds........Southwest gales to 35 knots.
Sig waves...........4 to 6 feet.
Ocnl waves..........Around 8 feet.
Prob SmCrft/Gst.....60%/100%.
Prob Gale/Gst.......9%/30%.
.MONDAY...
Weather.............Mostly cloudy with a slight chance of showers,
then mostly sunny in the afternoon.
Sfc winds...........Southwest to 30 knots becoming west 15 to 20
knots in the afternoon.
100-ft winds........Southwest gales to 35 knots becoming west 20 to
25 knots in the afternoon.
Sig waves...........3 to 5 feet.
Ocnl waves..........Around 7 feet.
Prob SmCrft/Gst.....59%/100%.
Prob Gale/Gst.......6%/30%.
.MONDAY NIGHT...
Weather.............Mostly cloudy with chance of thunderstorms,
then mostly cloudy with showers with a chance
of thunderstorms after midnight.
Sfc winds...........West 10 to 15 knots becoming east after
midnight.
100-ft winds........West 15 to 20 knots becoming east after
midnight.
Sig waves...........2 to 4 feet.
Prob SmCrft/Gst.....59%/93%.
Prob Gale/Gst.......6%/24%.
.TUESDAY...
Weather.............Mostly cloudy with showers with a chance of
thunderstorms, then partly sunny with chance of
showers in the afternoon.
Sfc winds...........South 20 to 25 knots becoming southwest in the
afternoon.
100-ft winds........South to 30 knots becoming southwest in the
afternoon.
Sig waves...........3 to 5 feet.
Ocnl waves..........Around 6 feet.
Prob SmCrft/Gst.....56%/93%.
Prob Gale/Gst.......6%/24%.
.TUESDAY NIGHT...
Weather.............Mostly cloudy with chance of showers and
thunderstorms, then showers likely with a
chance of thunderstorms 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.....46%/54%.
.FORECAST DAYS 3 THROUGH 5...
.WEDNESDAY...Chance of showers. showers likely. East winds 10 to
15 knots. Waves 2 to 4 feet.
.THURSDAY...Showers likely. chance of showers in the evening.
Southwest winds 10 to 15 knots. Waves 2 to 4 feet.
.FRIDAY...Chance of showers after midnight. Southeast winds 10 to
15 knots. Waves 3 to 5 feet.
$$
LHZ421-130800-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
1108 PM EDT Sun Apr 12 2026
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EDT MONDAY...
.Overnight...
Weather.............Mostly cloudy with a slight chance of showers,
then showers after midnight.
Sfc winds...........Southwest to 30 knots.
100-ft winds........Southwest gales to 35 knots.
Sig waves...........5 to 7 feet.
Ocnl waves..........Around 9 feet.
Prob SmCrft/Gst.....70%/99%.
Prob Gale/Gst.......8%/23%.
.MONDAY...
Weather.............Mostly cloudy with chance of showers, then
mostly sunny in the afternoon.
Sfc winds...........Southwest 20 to 25 knots becoming west 15 to 20
knots in the afternoon.
100-ft winds........Southwest to 30 knots becoming west 20 to 25
knots in the afternoon.
Sig waves...........4 to 6 feet.
Ocnl waves..........Around 8 feet.
Prob SmCrft/Gst.....68%/99%.
Prob Gale/Gst.......3%/23%.
.MONDAY NIGHT...
Weather.............Mostly cloudy, then showers with a chance of
thunderstorms after midnight.
Sfc winds...........Northeast 10 to 15 knots becoming east after
midnight.
100-ft winds........Northeast 15 to 20 knots becoming east after
midnight.
Sig waves...........2 to 4 feet.
Prob SmCrft/Gst.....65%/90%.
Prob Gale/Gst.......3%/19%.
.TUESDAY...
Weather.............Mostly cloudy with showers likely with a chance
of thunderstorms, then partly sunny with chance
of showers in the afternoon.
Sfc winds...........South 15 to 20 knots becoming southwest in the
afternoon.
100-ft winds........South 20 to 25 knots becoming southwest in the
afternoon.
Sig waves...........3 to 5 feet.
Ocnl waves..........Around 6 feet.
Prob SmCrft/Gst.....58%/90%.
Prob Gale/Gst.......4%/19%.
.TUESDAY NIGHT...
Weather.............Showers likely with a chance of thunderstorms.
Sfc winds...........Southwest 10 to 15 knots becoming south after
midnight.
100-ft winds........Southwest 15 to 20 knots becoming south after
midnight.
Sig waves...........2 to 4 feet.
Prob SmCrft/Gst.....45%/52%.
.FORECAST DAYS 3 THROUGH 5...
.WEDNESDAY...Chance of showers. showers likely. East winds 10 to
15 knots. Waves 2 to 4 feet.
.THURSDAY...Showers likely. chance of showers in the evening.
Southwest winds 10 to 15 knots. Waves 2 to 4 feet.
.FRIDAY...Chance of showers after midnight. Southeast winds 10 to
15 knots. Waves 3 to 5 feet.
$$
LHZ441-130800-
Port Austin to Harbor Beach MI-
1108 PM EDT Sun Apr 12 2026
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EDT MONDAY...
.Overnight...
Weather.............Cloudy, then showers likely after midnight.
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.....58%/100%.
Prob Gale/Gst.......3%/32%.
.MONDAY...
Weather.............Mostly cloudy with showers likely, then partly
sunny in the afternoon.
Sfc winds...........Southwest 20 to 25 knots becoming west 15 to 20
knots in the afternoon.
100-ft winds........Southwest to 30 knots becoming west 20 to 25
knots in the afternoon.
Sig waves...........4 to 6 feet.
Ocnl waves..........Around 7 feet.
Prob SmCrft/Gst.....56%/100%.
Prob Gale/Gst.......2%/32%.
.MONDAY NIGHT...
Weather.............Mostly cloudy, then showers with a chance of
thunderstorms after midnight.
Sfc winds...........North 10 to 15 knots becoming east after
midnight.
100-ft winds........North 15 to 20 knots becoming east after
midnight.
Sig waves...........2 to 4 feet.
Prob SmCrft/Gst.....53%/89%.
Prob Gale/Gst.......2%/18%.
.TUESDAY...
Weather.............Mostly cloudy with showers likely with a chance
of thunderstorms, then partly sunny with chance
of showers in the afternoon.
Sfc winds...........South 15 to 20 knots becoming southwest in the
afternoon.
100-ft winds........South 20 to 25 knots becoming southwest in the
afternoon.
Sig waves...........2 to 4 feet.
Ocnl waves..........Around 5 feet in the afternoon.
Prob SmCrft/Gst.....41%/89%.
Prob Gale/Gst.......1%/18%.
.TUESDAY NIGHT...
Weather.............Showers likely with a chance of thunderstorms.
Sfc winds...........Southwest 10 to 15 knots becoming south after
midnight.
100-ft winds........Southwest 15 to 20 knots becoming south after
midnight.
Sig waves...........2 to 4 feet.
Prob SmCrft/Gst.....35%/55%.
.FORECAST DAYS 3 THROUGH 5...
.WEDNESDAY...Chance of showers. showers likely. East winds 10 to
15 knots. Waves 2 to 4 feet.
.THURSDAY...Showers likely. chance of showers in the evening.
Southwest winds 10 to 15 knots. Waves 2 to 4 feet.
.FRIDAY...Chance of showers after midnight. Southeast winds 10 to
15 knots. Waves 3 to 5 feet.
$$
LHZ442-130800-
Harbor Beach to Port Sanilac MI-
1108 PM EDT Sun Apr 12 2026
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EDT MONDAY...
.Overnight...
Weather.............Mostly cloudy, then showers 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 6 feet.
Prob SmCrft/Gst.....61%/98%.
Prob Gale/Gst.......3%/32%.
.MONDAY...
Weather.............Mostly cloudy with showers likely, then mostly
sunny in the afternoon.
Sfc winds...........Southwest 20 to 25 knots becoming west 15 to 20
knots in the afternoon.
100-ft winds........Southwest to 30 knots becoming west 20 to 25
knots in the afternoon.
Sig waves...........3 to 5 feet subsiding to 2 to 4 feet in the
afternoon.
Ocnl waves..........Around 6 feet in the morning.
Prob SmCrft/Gst.....57%/98%.
Prob Gale/Gst.......3%/33%.
.MONDAY NIGHT...
Weather.............Mostly cloudy, then showers with a chance of
thunderstorms after midnight.
Sfc winds...........North 5 to 10 knots becoming east after
midnight.
100-ft winds........North 10 to 15 knots becoming east after
midnight.
Sig waves...........2 to 4 feet.
Prob SmCrft/Gst.....51%/90%.
Prob Gale/Gst.......3%/13%.
.TUESDAY...
Weather.............Showers with a chance of thunderstorms, then
partly sunny with chance of showers in the
afternoon.
Sfc winds...........South 15 to 20 knots becoming southwest in the
afternoon.
100-ft winds........South 20 to 25 knots becoming southwest in the
afternoon.
Sig waves...........2 to 4 feet.
Prob SmCrft/Gst.....40%/90%.
Prob Gale/Gst.......1%/13%.
.TUESDAY NIGHT...
Weather.............Mostly cloudy with chance of showers and
thunderstorms, then showers with a chance of
thunderstorms 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.....34%/60%.
.FORECAST DAYS 3 THROUGH 5...
.WEDNESDAY...Chance of showers. showers likely. East winds 10 to
15 knots. Waves 2 to 4 feet.
.THURSDAY...Showers likely. chance of showers in the evening.
Southwest winds 10 to 15 knots. Waves 2 to 4 feet.
.FRIDAY...Chance of showers after midnight. Southeast winds 10 to
15 knots. Waves 3 to 5 feet.
$$
LHZ443-130800-
Port Sanilac to Port Huron MI-
1108 PM EDT Sun Apr 12 2026
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EDT MONDAY...
.Overnight...
Weather.............Mostly cloudy, then showers after midnight.
Sfc winds...........South 20 to 25 knots.
100-ft winds........South to 30 knots.
Sig waves...........3 to 5 feet.
Ocnl waves..........Around 6 feet.
Prob SmCrft/Gst.....50%/99%.
Prob Gale/Gst.......4%/20%.
.MONDAY...
Weather.............Mostly cloudy with chance of showers, then
mostly sunny in the afternoon.
Sfc winds...........Southwest 20 to 25 knots.
100-ft winds........Southwest to 30 knots.
Sig waves...........3 to 5 feet subsiding to 2 to 4 feet in the
afternoon.
Ocnl waves..........Around 6 feet in the morning.
Prob SmCrft/Gst.....54%/99%.
Prob Gale/Gst.......4%/26%.
.MONDAY NIGHT...
Weather.............Mostly cloudy, then showers likely with a
chance of thunderstorms after midnight.
Sfc winds...........Northwest 5 to 10 knots becoming southeast 10
to 15 knots after midnight.
100-ft winds........Northwest 10 to 15 knots becoming southeast 15
to 20 knots after midnight.
Sig waves...........2 to 4 feet.
Prob SmCrft/Gst.....51%/91%.
Prob Gale/Gst.......4%/12%.
.TUESDAY...
Weather.............Showers likely with a chance of thunderstorms.
Sfc winds...........Southwest 15 to 20 knots.
100-ft winds........Southwest 20 to 25 knots.
Sig waves...........2 to 4 feet.
Prob SmCrft/Gst.....43%/91%.
Prob Gale/Gst.......2%/12%.
.TUESDAY NIGHT...
Weather.............Mostly cloudy with chance of showers and
thunderstorms, then showers with a chance of
thunderstorms 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.....39%/64%.
.FORECAST DAYS 3 THROUGH 5...
.WEDNESDAY...Chance of showers. showers likely. East winds 10 to
15 knots. Waves 2 to 4 feet.
.THURSDAY...Showers likely. chance of showers in the evening.
Southwest winds 10 to 15 knots. Waves 2 to 4 feet.
.FRIDAY...Chance of showers after midnight. Southeast winds 10 to
15 knots. Waves 3 to 5 feet.
$$
LEZ444-130800-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
1108 PM EDT Sun Apr 12 2026
...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING...
.Overnight...
Weather.............Mostly cloudy, then showers likely after
midnight.
Sfc winds...........Southwest 15 to 20 knots.
100-ft winds........Southwest 20 to 25 knots.
Sig waves...........2 to 4 feet.
Ocnl waves..........Around 5 feet.
Prob SmCrft/Gst.....37%/96%.
Prob Gale/Gst.......0%/13%.
.MONDAY...
Weather.............Mostly cloudy with a slight chance of showers,
then mostly sunny in the afternoon.
Sfc winds...........Southwest 20 to 25 knots.
100-ft winds........Southwest to 30 knots.
Sig waves...........3 to 5 feet subsiding to 2 to 4 feet in the
afternoon.
Ocnl waves..........Around 5 feet in the morning.
Prob SmCrft/Gst.....50%/100%.
Prob Gale/Gst.......0%/36%.
.MONDAY NIGHT...
Weather.............Mostly cloudy with chance of showers and
thunderstorms.
Sfc winds...........South 10 to 15 knots.
100-ft winds........South 15 to 20 knots.
Sig waves...........2 to 4 feet.
Prob SmCrft/Gst.....37%/98%.
Prob Gale/Gst.......1%/10%.
.TUESDAY...
Weather.............Mostly cloudy with chance of showers, then
partly sunny with chance of showers and
thunderstorms in the afternoon.
Sfc winds...........Southwest 15 to 20 knots.
100-ft winds........Southwest 20 to 25 knots.
Sig waves...........2 to 4 feet.
Prob SmCrft/Gst.....22%/98%.
Prob Gale/Gst.......1%/10%.
.TUESDAY NIGHT...
Weather.............Showers with a chance of thunderstorms.
Sfc winds...........Southwest 10 to 15 knots.
100-ft winds........Southwest 15 to 20 knots.
Sig waves...........2 to 4 feet.
Prob SmCrft/Gst.....20%/80%.
.FORECAST DAYS 3 THROUGH 5...
.WEDNESDAY...Chance of showers. showers likely. East winds 10 to
15 knots. Waves 2 to 4 feet.
.THURSDAY...Showers likely. chance of showers in the evening.
Southwest winds 10 to 15 knots. Waves 2 to 4 feet.
.FRIDAY...Chance of showers after midnight. Southeast winds 10 to
15 knots. Waves 3 to 5 feet.
$$
Occasional waves will only be displayed when values meet or exceed 5 feet.
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