
A cold front will cross the Great Lakes and Northeast U.S. through Monday with gusty winds and areas of rain showers. A strong atmospheric river is expected to move into the Pacific Northwest by midweek bringing a threat for moderate to heavy rainfall, gusty winds, and mountain snows for parts of Washington, Oregon, northern California, and the Sierra Nevada. Read More >
FZUS53 KMKX 011406
NSHMKX
Experimental Tabular Nearshore Marine Forecast
National Weather Service Milwaukee/Sullivan WI
906 AM CDT Wed Oct 1 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.
LMZ643-012100-
Sheboygan to Port Washington WI-
906 AM CDT Wed Oct 1 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
THURSDAY AFTERNOON...
.This Afternoon...
Weather.............Partly sunny.
Sfc winds...........Southeast 10 to 15 knots.
100-ft winds........Southeast 15 to 20 knots.
Sig waves...........3 to 5 feet.
Ocnl waves..........Around 6 feet.
.TONIGHT...
Weather.............Partly cloudy.
Sfc winds...........Southeast 10 to 15 knots increasing to 15 to 20
knots after midnight.
100-ft winds........Southeast 15 to 20 knots increasing to 20 to 25
knots after midnight.
Sig waves...........2 to 4 feet building to 3 to 5 feet in the late
evening and overnight.
Ocnl waves..........Around 6 feet in the late evening and
overnight.
.THURSDAY...
Weather.............Mostly sunny.
Sfc winds...........South 15 to 20 knots.
100-ft winds........South 20 to 25 knots.
Sig waves...........3 to 5 feet.
Ocnl waves..........Around 6 feet.
.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.
Ocnl waves..........Around 5 feet early in the evening.
.FORECAST DAYS 3 THROUGH 5...
.FRIDAY...South winds 10 to 15 knots. Waves 2 to 4 feet.
.SATURDAY...South winds 15 to 20 knots. Waves 2 to 4 feet.
.SUNDAY...Chance of showers after midnight. South winds 15 to
20 knots. Waves 4 to 6 feet.
$$
LMZ644-012100-
Port Washington to North Point Light WI-
906 AM CDT Wed Oct 1 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
THURSDAY AFTERNOON...
.This Afternoon...
Weather.............Partly sunny.
Sfc winds...........Southeast 10 to 15 knots.
100-ft winds........Southeast 15 to 20 knots.
Sig waves...........3 to 5 feet.
Ocnl waves..........Around 6 feet.
.TONIGHT...
Weather.............Partly cloudy.
Sfc winds...........East 10 to 15 knots becoming southeast after
midnight.
100-ft winds........East 15 to 20 knots becoming southeast after
midnight.
Sig waves...........2 to 4 feet building to 3 to 5 feet in the late
evening and overnight.
Ocnl waves..........Around 6 feet in the late evening and
overnight.
.THURSDAY...
Weather.............Mostly sunny.
Sfc winds...........Southeast 10 to 15 knots.
100-ft winds........Southeast 15 to 20 knots.
Sig waves...........3 to 5 feet.
Ocnl waves..........Around 6 feet.
.THURSDAY NIGHT...
Weather.............Mostly clear.
Sfc winds...........South 10 to 15 knots.
100-ft winds........South 15 to 20 knots.
Sig waves...........2 to 4 feet.
.FORECAST DAYS 3 THROUGH 5...
.FRIDAY...South winds 10 to 15 knots. Waves 2 to 4 feet.
.SATURDAY...South winds 15 to 20 knots. Waves 2 to 4 feet.
.SUNDAY...Chance of showers after midnight. South winds 15 to
20 knots. Waves 4 to 6 feet.
$$
LMZ645-012100-
North Point Light to Wind Point WI-
906 AM CDT Wed Oct 1 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
THURSDAY AFTERNOON...
.This Afternoon...
Weather.............Partly sunny.
Sfc winds...........East 10 to 15 knots.
100-ft winds........East 15 to 20 knots.
Sig waves...........3 to 5 feet.
Ocnl waves..........Around 6 feet.
.TONIGHT...
Weather.............Partly cloudy.
Sfc winds...........East 15 to 20 knots becoming southeast after
midnight.
100-ft winds........East 20 to 25 knots becoming southeast after
midnight.
Sig waves...........2 to 4 feet building to 3 to 5 feet in the late
evening and overnight.
Ocnl waves..........Around 6 feet in the late evening and
overnight.
.THURSDAY...
Weather.............Mostly sunny.
Sfc winds...........Southeast 10 to 15 knots.
100-ft winds........Southeast 15 to 20 knots.
Sig waves...........3 to 5 feet subsiding to 2 to 4 feet early in
the afternoon.
Ocnl waves..........Around 6 feet until late afternoon.
.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.
.FORECAST DAYS 3 THROUGH 5...
.FRIDAY...South winds 10 to 15 knots. Waves 2 to 4 feet.
.SATURDAY...South winds 15 to 20 knots. Waves 2 to 4 feet.
.SUNDAY...Chance of showers after midnight. South winds 15 to
20 knots. Waves 4 to 6 feet.
$$
LMZ646-012100-
Wind Point WI to Winthrop Harbor IL-
906 AM CDT Wed Oct 1 2025
.This Afternoon...
Weather.............Partly sunny.
Sfc winds...........East 10 to 15 knots.
100-ft winds........East 15 to 20 knots.
Sig waves...........3 to 5 feet subsiding to 2 to 4 feet early in
the afternoon.
Ocnl waves..........Around 5 feet in the late morning and early
afternoon.
.TONIGHT...
Weather.............Mostly cloudy.
Sfc winds...........East 15 to 20 knots becoming southeast 10 to 15
knots after midnight.
100-ft winds........East 20 to 25 knots becoming southeast 15 to 20
knots after midnight.
Sig waves...........2 to 4 feet building to 3 to 5 feet in the late
evening and overnight.
Ocnl waves..........Around 6 feet in the late evening and
overnight.
.THURSDAY...
Weather.............Mostly sunny.
Sfc winds...........Southeast 10 to 15 knots.
100-ft winds........Southeast 15 to 20 knots.
Sig waves...........3 to 5 feet subsiding to 2 to 4 feet early in
the afternoon.
Ocnl waves..........Around 6 feet until late afternoon.
.THURSDAY NIGHT...
Weather.............Mostly clear.
Sfc winds...........South 10 to 15 knots decreasing to 5 to 10
knots after midnight.
100-ft winds........South 15 to 20 knots decreasing to 10 to 15
knots after midnight.
Sig waves...........1 to 3 feet.
.FORECAST DAYS 3 THROUGH 5...
.FRIDAY...South winds 10 to 15 knots. Waves 2 to 4 feet.
.SATURDAY...South winds 15 to 20 knots. Waves 2 to 4 feet.
.SUNDAY...Chance of showers after midnight. South winds 15 to
20 knots. Waves 4 to 6 feet.
$$
Occasional waves will only be displayed when values meet or exceed 5 feet/2 meters.