FZUS53 KDTX 080308
NSHDTX
Experimental Tabular Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
1108 PM EDT Tue Oct 7 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...High pressure, 30.50 inches, expands into the Great Lakes from the
northwest on Wednesday. This high will influence the region through
Thursday. The next cold front arrives over the western Great Lakes
Thursday night into early Friday.
LHZ422-080800-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
1108 PM EDT Tue Oct 7 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EDT WEDNESDAY...
.Overnight...
Weather.............Mostly clear.
Sfc winds...........North 15 to 20 knots.
100-ft winds........North 20 to 25 knots.
Sig waves...........2 to 4 feet.
Ocnl waves..........Around 5 feet after midnight.
Prob SmCrft/Gst.....30%/43%.
.WEDNESDAY...
Weather.............Sunny.
Sfc winds...........North 15 to 20 knots.
100-ft winds........North 20 to 25 knots.
Sig waves...........2 to 4 feet.
Prob SmCrft/Gst.....25%/43%.
.WEDNESDAY NIGHT...
Weather.............Mostly clear.
Sfc winds...........Northeast 10 to 15 knots.
100-ft winds........Northeast 15 to 20 knots.
Sig waves...........2 to 4 feet.
.THURSDAY...
Weather.............Sunny.
Sfc winds...........North 5 to 10 knots in the morning becoming
light and variable.
100-ft winds........North 10 to 15 knots in the morning becoming
light and variable.
Sig waves...........2 feet or less.
.THURSDAY NIGHT...
Weather.............Mostly clear.
Sfc winds...........Southeast 10 to 15 knots.
100-ft winds........Southeast 15 to 20 knots.
Sig waves...........2 to 4 feet.
.FORECAST DAYS 3 THROUGH 5...
.FRIDAY...South winds 10 to 15 knots. Waves 2 to 4 feet.
.SATURDAY...Southeast winds 5 to 10 knots. Waves 1 to 3 feet.
.SUNDAY...Southeast winds 10 to 15 knots. Waves 2 to 4 feet.
$$
LHZ421-080800-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
1108 PM EDT Tue Oct 7 2025
...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING...
.Overnight...
Weather.............Mostly clear.
Sfc winds...........North 20 to 25 knots.
100-ft winds........North to 30 knots.
Sig waves...........3 to 5 feet building to 5 to 7 feet after
midnight.
Ocnl waves..........Around 6 feet building to around 9 feet after
midnight.
Prob SmCrft/Gst.....43%/72%.
.WEDNESDAY...
Weather.............Mostly sunny.
Sfc winds...........North 20 to 25 knots.
100-ft winds........North to 30 knots.
Sig waves...........5 to 7 feet.
Ocnl waves..........Around 9 feet.
Prob SmCrft/Gst.....36%/72%.
.WEDNESDAY NIGHT...
Weather.............Mostly clear.
Sfc winds...........North 10 to 15 knots.
100-ft winds........North 15 to 20 knots.
Sig waves...........3 to 5 feet subsiding to 2 to 4 feet after
midnight.
Ocnl waves..........Around 6 feet in the evening.
Prob SmCrft/Gst.....36%/11%.
.THURSDAY...
Weather.............Sunny.
Sfc winds...........North 5 to 10 knots becoming east in the
afternoon.
100-ft winds........North 10 to 15 knots becoming east in the
afternoon.
Sig waves...........1 to 3 feet.
Prob SmCrft/Gst.....2%/11%.
.THURSDAY NIGHT...
Weather.............Mostly clear.
Sfc winds...........South 10 to 15 knots.
100-ft winds........South 15 to 20 knots.
Sig waves...........2 to 4 feet.
Prob SmCrft/Gst.....5%/11%.
.FORECAST DAYS 3 THROUGH 5...
.FRIDAY...South winds 10 to 15 knots. Waves 2 to 4 feet.
.SATURDAY...Southeast winds 5 to 10 knots. Waves 1 to 3 feet.
.SUNDAY...Southeast winds 10 to 15 knots. Waves 2 to 4 feet.
$$
LHZ441-080800-
Port Austin to Harbor Beach MI-
1108 PM EDT Tue Oct 7 2025
...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING...
.Overnight...
Weather.............Mostly clear.
Sfc winds...........North 20 to 25 knots.
100-ft winds........North to 30 knots.
Sig waves...........3 to 5 feet building to 6 to 9 feet after
midnight.
Ocnl waves..........Around 6 feet building to around 11 feet after
midnight.
Prob SmCrft/Gst.....47%/79%.
.WEDNESDAY...
Weather.............Mostly sunny.
Sfc winds...........North 20 to 25 knots.
100-ft winds........North to 30 knots.
Sig waves...........6 to 9 feet.
Ocnl waves..........Around 10 feet.
Prob SmCrft/Gst.....42%/79%.
.WEDNESDAY NIGHT...
Weather.............Partly cloudy.
Sfc winds...........North 10 to 15 knots.
100-ft winds........North 15 to 20 knots.
Sig waves...........3 to 5 feet.
Ocnl waves..........Around 6 feet.
.THURSDAY...
Weather.............Mostly sunny.
Sfc winds...........Northeast 5 to 10 knots becoming southeast in
the afternoon.
100-ft winds........Northeast 10 to 15 knots becoming southeast in
the afternoon.
Sig waves...........2 to 4 feet.
.THURSDAY NIGHT...
Weather.............Mostly clear.
Sfc winds...........South 10 to 15 knots.
100-ft winds........South 15 to 20 knots.
Sig waves...........1 to 3 feet.
.FORECAST DAYS 3 THROUGH 5...
.FRIDAY...South winds 10 to 15 knots. Waves 2 to 4 feet.
.SATURDAY...Southeast winds 5 to 10 knots. Waves 1 to 3 feet.
.SUNDAY...Southeast winds 10 to 15 knots. Waves 2 to 4 feet.
$$
LHZ442-080800-
Harbor Beach to Port Sanilac MI-
1108 PM EDT Tue Oct 7 2025
...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING...
.Overnight...
Weather.............Mostly clear.
Sfc winds...........Northwest 15 to 20 knots.
100-ft winds........Northwest 20 to 25 knots.
Sig waves...........2 to 4 feet building to 6 to 9 feet after
midnight.
Ocnl waves..........Around 5 feet building to around 10 feet after
midnight.
Prob SmCrft/Gst.....39%/82%.
.WEDNESDAY...
Weather.............Mostly sunny.
Sfc winds...........North 15 to 20 knots.
100-ft winds........North 20 to 25 knots.
Sig waves...........5 to 7 feet.
Ocnl waves..........Around 9 feet.
Prob SmCrft/Gst.....35%/82%.
.WEDNESDAY NIGHT...
Weather.............Partly cloudy.
Sfc winds...........North 10 to 15 knots.
100-ft winds........North 15 to 20 knots.
Sig waves...........3 to 5 feet.
Ocnl waves..........Around 6 feet.
.THURSDAY...
Weather.............Mostly sunny.
Sfc winds...........Northeast 10 to 15 knots becoming southeast 5
to 10 knots in the afternoon.
100-ft winds........Northeast 15 to 20 knots becoming southeast 10
to 15 knots in the afternoon.
Sig waves...........2 to 4 feet.
.THURSDAY NIGHT...
Weather.............Mostly clear.
Sfc winds...........East 5 to 10 knots becoming south after
midnight.
100-ft winds........East 10 to 15 knots becoming south after
midnight.
Sig waves...........1 to 3 feet.
.FORECAST DAYS 3 THROUGH 5...
.FRIDAY...South winds 10 to 15 knots. Waves 2 to 4 feet.
.SATURDAY...Southeast winds 5 to 10 knots. Waves 1 to 3 feet.
.SUNDAY...Southeast winds 10 to 15 knots. Waves 2 to 4 feet.
$$
LHZ443-080800-
Port Sanilac to Port Huron MI-
1108 PM EDT Tue Oct 7 2025
...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING...
.Overnight...
Weather.............Mostly clear.
Sfc winds...........Northwest 15 to 20 knots.
100-ft winds........Northwest 20 to 25 knots.
Sig waves...........3 to 5 feet building to 5 to 7 feet after
midnight.
Ocnl waves..........Around 5 feet building to around 8 feet after
midnight.
Prob SmCrft/Gst.....38%/77%.
.WEDNESDAY...
Weather.............Mostly sunny.
Sfc winds...........North 15 to 20 knots.
100-ft winds........North 20 to 25 knots.
Sig waves...........5 to 7 feet.
Ocnl waves..........Around 8 feet.
Prob SmCrft/Gst.....38%/77%.
.WEDNESDAY NIGHT...
Weather.............Partly cloudy.
Sfc winds...........North 15 to 20 knots.
100-ft winds........North 20 to 25 knots.
Sig waves...........3 to 5 feet.
Ocnl waves..........Around 7 feet.
.THURSDAY...
Weather.............Sunny.
Sfc winds...........East 10 to 15 knots.
100-ft winds........East 15 to 20 knots.
Sig waves...........2 to 4 feet.
.THURSDAY NIGHT...
Weather.............Mostly clear.
Sfc winds...........East 5 to 10 knots becoming southeast after
midnight.
100-ft winds........East 10 to 15 knots becoming southeast after
midnight.
Sig waves...........1 to 3 feet.
.FORECAST DAYS 3 THROUGH 5...
.FRIDAY...South winds 10 to 15 knots. Waves 2 to 4 feet.
.SATURDAY...Southeast winds 5 to 10 knots. Waves 1 to 3 feet.
.SUNDAY...Southeast winds 10 to 15 knots. Waves 2 to 4 feet.
$$
LEZ444-080800-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
1108 PM EDT Tue Oct 7 2025
.Overnight...
Weather.............Partly cloudy.
Sfc winds...........North 10 to 15 knots.
100-ft winds........North 15 to 20 knots.
Sig waves...........2 to 4 feet.
Prob SmCrft/Gst.....16%/33%.
.WEDNESDAY...
Weather.............Sunny.
Sfc winds...........North 15 to 20 knots.
100-ft winds........North 20 to 25 knots.
Sig waves...........2 to 4 feet.
Prob SmCrft/Gst.....6%/33%.
.WEDNESDAY NIGHT...
Weather.............Mostly clear.
Sfc winds...........Northeast 10 to 15 knots.
100-ft winds........Northeast 15 to 20 knots.
Sig waves...........2 to 4 feet.
.THURSDAY...
Weather.............Sunny.
Sfc winds...........Northeast 10 to 15 knots.
100-ft winds........Northeast 15 to 20 knots.
Sig waves...........2 to 4 feet.
.THURSDAY NIGHT...
Weather.............Mostly clear.
Sfc winds...........East 10 to 15 knots.
100-ft winds........East 15 to 20 knots.
Sig waves...........2 to 4 feet.
.FORECAST DAYS 3 THROUGH 5...
.FRIDAY...South winds 10 to 15 knots. Waves 2 to 4 feet.
.SATURDAY...Southeast winds 5 to 10 knots. Waves 1 to 3 feet.
.SUNDAY...Southeast winds 10 to 15 knots. Waves 2 to 4 feet.
$$
Occasional waves will only be displayed when values meet or exceed 5 feet.
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