FZUS53 KDTX 050907
NSHDTX
Experimental Tabular Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
507 AM EDT Sat Jul 5 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, 29.70 inches, slides across the northern Great Lakes
this weekend. Its attendant cold front sinks across the central
Great Lakes late Saturday night through Sunday offering scattered
thunderstorm chances. A few storms could linger over the southern
Great Lakes Monday before high pressure builds in.
LHZ422-051400-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
507 AM EDT Sat Jul 5 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM EDT THIS AFTERNOON
THROUGH SUNDAY MORNING...
.Today...
Weather.............Mostly sunny.
Sfc winds...........Southwest 15 to 20 knots.
100-ft winds........Southwest 20 to 25 knots.
Sig waves...........2 to 4 feet building to 3 to 5 feet in the
afternoon.
Ocnl waves..........Around 6 feet in the afternoon.
Prob SmCrft/Gst.....28%/91%.
.TONIGHT...
Weather.............Mostly clear.
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.....45%/91%.
.SUNDAY...
Weather.............Partly sunny 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...........3 to 5 feet subsiding to 2 to 4 feet in the
afternoon.
Ocnl waves..........Around 6 feet subsiding to around 5 feet in the
afternoon.
Prob SmCrft/Gst.....49%/98%.
Prob Gale/Gst.......2%/18%.
.SUNDAY NIGHT...
Weather.............Mostly cloudy.
Sfc winds...........West 15 to 20 knots becoming north after
midnight.
100-ft winds........West 20 to 25 knots becoming north after
midnight.
Sig waves...........2 to 4 feet.
Prob SmCrft/Gst.....44%/55%.
.FORECAST DAYS 3 THROUGH 5...
.MONDAY...North winds 5 to 10 knots. Waves 2 to 4 feet.
.TUESDAY...Northwest winds 5 to 10 knots. Waves 1 to 3 feet.
.WEDNESDAY...Northeast winds 5 to 10 knots. Waves 1 to 3 feet.
$$
LHZ421-051400-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
507 AM EDT Sat Jul 5 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM EDT THIS AFTERNOON
THROUGH SUNDAY MORNING...
.Today...
Weather.............Mostly sunny, then slight chance of showers in
the afternoon.
Sfc winds...........Southwest 15 to 20 knots.
100-ft winds........Southwest 20 to 25 knots.
Sig waves...........2 to 4 feet building to 3 to 5 feet in the
afternoon.
Ocnl waves..........Around 6 feet in the afternoon.
Prob SmCrft/Gst.....30%/82%.
.TONIGHT...
Weather.............Mostly clear with a slight chance of showers,
then partly cloudy after midnight.
Sfc winds...........South 20 to 25 knots.
100-ft winds........South to 30 knots.
Sig waves...........3 to 5 feet.
Ocnl waves..........Around 6 feet.
Prob SmCrft/Gst.....46%/82%.
.SUNDAY...
Weather.............Partly sunny with chance of showers, then
partly sunny with showers likely with a chance
of thunderstorms in the afternoon.
Sfc winds...........Southwest 15 to 20 knots.
100-ft winds........Southwest 20 to 25 knots.
Sig waves...........3 to 5 feet.
Ocnl waves..........Around 6 feet.
Prob SmCrft/Gst.....54%/98%.
Prob Gale/Gst.......1%/21%.
.SUNDAY NIGHT...
Weather.............Mostly cloudy with showers likely, then mostly
cloudy after midnight.
Sfc winds...........West 15 to 20 knots becoming north after
midnight.
100-ft winds........West 20 to 25 knots becoming north after
midnight.
Sig waves...........2 to 4 feet.
Ocnl waves..........Around 5 feet.
Prob SmCrft/Gst.....44%/59%.
.FORECAST DAYS 3 THROUGH 5...
.MONDAY...North winds 5 to 10 knots. Waves 2 to 4 feet.
.TUESDAY...Northwest winds 5 to 10 knots. Waves 1 to 3 feet.
.WEDNESDAY...Northeast winds 5 to 10 knots. Waves 1 to 3 feet.
$$
LHZ441-051400-
Port Austin to Harbor Beach MI-
507 AM EDT Sat Jul 5 2025
.Today...
Weather.............Mostly sunny, then slight chance of showers and
thunderstorms in the afternoon.
Sfc winds...........Southwest 10 to 15 knots.
100-ft winds........Southwest 15 to 20 knots.
Sig waves...........2 to 4 feet.
Prob SmCrft/Gst.....10%/68%.
.TONIGHT...
Weather.............Mostly clear with a slight chance of showers,
then partly cloudy 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.....32%/68%.
.SUNDAY...
Weather.............Mostly sunny with chance of showers, then
mostly cloudy with showers likely with a chance
of 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.
Ocnl waves..........Around 5 feet.
Prob SmCrft/Gst.....35%/95%.
.SUNDAY NIGHT...
Weather.............Mostly cloudy with showers likely, then mostly
cloudy after midnight.
Sfc winds...........Northwest 10 to 15 knots.
100-ft winds........Northwest 15 to 20 knots becoming north after
midnight.
Sig waves...........2 to 4 feet.
Prob SmCrft/Gst.....33%/55%.
.FORECAST DAYS 3 THROUGH 5...
.MONDAY...North winds 5 to 10 knots. Waves 2 to 4 feet.
.TUESDAY...Northwest winds 5 to 10 knots. Waves 1 to 3 feet.
.WEDNESDAY...Northeast winds 5 to 10 knots. Waves 1 to 3 feet.
$$
LHZ442-051400-
Harbor Beach to Port Sanilac MI-
507 AM EDT Sat Jul 5 2025
.Today...
Weather.............Mostly sunny, then slight chance of showers and
thunderstorms in the afternoon.
Sfc winds...........South 10 to 15 knots.
100-ft winds........South 15 to 20 knots.
Sig waves...........2 to 4 feet.
Prob SmCrft/Gst.....1%/54%.
.TONIGHT...
Weather.............Mostly clear with a slight chance of showers,
then partly cloudy after midnight.
Sfc winds...........South 10 to 15 knots.
100-ft winds........South 15 to 20 knots.
Sig waves...........2 to 4 feet.
Prob SmCrft/Gst.....15%/54%.
.SUNDAY...
Weather.............Mostly sunny with chance of showers, then
partly sunny with chance of showers and
thunderstorms in the afternoon.
Sfc winds...........Southwest 10 to 15 knots.
100-ft winds........Southwest 15 to 20 knots.
Sig waves...........2 to 4 feet.
Prob SmCrft/Gst.....18%/91%.
.SUNDAY NIGHT...
Weather.............Mostly cloudy with chance of showers, then
cloudy with chance of showers after midnight.
Sfc winds...........Northwest 10 to 15 knots.
100-ft winds........Northwest 15 to 20 knots.
Sig waves...........2 to 4 feet.
Prob SmCrft/Gst.....16%/52%.
.FORECAST DAYS 3 THROUGH 5...
.MONDAY...North winds 5 to 10 knots. Waves 2 to 4 feet.
.TUESDAY...Northwest winds 5 to 10 knots. Waves 1 to 3 feet.
.WEDNESDAY...Northeast winds 5 to 10 knots. Waves 1 to 3 feet.
$$
LHZ443-051400-
Port Sanilac to Port Huron MI-
507 AM EDT Sat Jul 5 2025
.Today...
Weather.............Mostly sunny, then slight chance of showers and
thunderstorms in the afternoon.
Sfc winds...........South 10 to 15 knots.
100-ft winds........South 15 to 20 knots.
Sig waves...........2 to 4 feet.
Prob SmCrft/Gst.....1%/31%.
.TONIGHT...
Weather.............Partly cloudy with a slight chance of showers,
then partly cloudy 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.....22%/31%.
.SUNDAY...
Weather.............Mostly sunny with chance of showers, then
mostly sunny with showers likely with a chance
of 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.....23%/81%.
.SUNDAY NIGHT...
Weather.............Mostly cloudy with showers likely with a chance
of thunderstorms, then cloudy with chance of
showers after midnight.
Sfc winds...........Northwest 10 to 15 knots.
100-ft winds........Northwest 15 to 20 knots.
Sig waves...........2 to 4 feet.
Prob SmCrft/Gst.....22%/43%.
.FORECAST DAYS 3 THROUGH 5...
.MONDAY...North winds 5 to 10 knots. Waves 2 to 4 feet.
.TUESDAY...Northwest winds 5 to 10 knots. Waves 1 to 3 feet.
.WEDNESDAY...Northeast winds 5 to 10 knots. Waves 1 to 3 feet.
$$
LEZ444-051400-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
507 AM EDT Sat Jul 5 2025
.Today...
Weather.............Mostly sunny.
Sfc winds...........Southwest 10 to 15 knots.
100-ft winds........Southwest 15 to 20 knots.
Sig waves...........1 to 3 feet.
Prob SmCrft/Gst.....0%/15%.
.TONIGHT...
Weather.............Mostly clear.
Sfc winds...........South 10 to 15 knots.
100-ft winds........South 15 to 20 knots.
Sig waves...........2 to 4 feet.
Prob SmCrft/Gst.....8%/15%.
.SUNDAY...
Weather.............Sunny, then chance of showers and thunderstorms
in the afternoon.
Sfc winds...........Southwest 10 to 15 knots.
100-ft winds........Southwest 15 to 20 knots.
Sig waves...........2 to 4 feet.
Prob SmCrft/Gst.....9%/72%.
.SUNDAY NIGHT...
Weather.............Mostly cloudy with chance of showers and
thunderstorms.
Sfc winds...........West 10 to 15 knots.
100-ft winds........West 15 to 20 knots.
Sig waves...........1 to 3 feet.
Prob SmCrft/Gst.....8%/19%.
.FORECAST DAYS 3 THROUGH 5...
.MONDAY...North winds 5 to 10 knots. Waves 2 to 4 feet.
.TUESDAY...Northwest winds 5 to 10 knots. Waves 1 to 3 feet.
.WEDNESDAY...Northeast winds 5 to 10 knots. Waves 1 to 3 feet.
$$
Occasional waves will only be displayed when values meet or exceed 5 feet.
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