National Weather Service Marine Forecast FZUS53 KMKX

FZUS53 KMKX 010210
NSHMKX

Nearshore Marine Forecast
National Weather Service Milwaukee/Sullivan WI
910 PM CDT Thu Apr 30 2026

For waters within five nautical miles of shore on Lake Michigan

LMZ643-011000
Sheboygan to Port Washington WI
910 PM CDT Thu Apr 30 2026

REST OF TONIGHT
West wind 5 to 10 knots veering northwest after midnight, then veering north 5 to 15 knots early in the morning. Scattered showers just before midnight, then isolated showers after midnight. Waves around 1 foot.

FRIDAY
North wind 10 to 15 knots becoming northeast 5 to 10 knots early in the afternoon, then veering east late in the afternoon. Isolated showers in the afternoon. Waves around 1 foot.

FRIDAY NIGHT
Southeast wind 5 to 10 knots easing to 5 knots late in the evening, then becoming north after midnight. Partly cloudy. Waves around 1 foot.

SATURDAY
North wind 5 to 10 knots veering northeast late in the morning, then veering southeast early in the afternoon becoming south 10 to 15 knots late in the afternoon. Sunny. Waves around 1 foot.


LMZ644-011000
Port Washington to North Point Light WI
910 PM CDT Thu Apr 30 2026

REST OF TONIGHT
West wind 5 to 10 knots veering north early in the morning. Numerous showers just before midnight, then scattered showers after midnight. Isolated showers early in the morning. Waves around 1 foot.

FRIDAY
North wind 10 to 15 knots veering northeast early in the afternoon, then easing to 5 to 10 knots late in the afternoon. Isolated showers in the afternoon. Waves 1 to 2 feet.

FRIDAY NIGHT
Southeast wind 5 to 10 knots easing to 5 knots late in the evening, then backing northeast after midnight becoming north early in the morning. Partly cloudy. Waves around 1 foot.

SATURDAY
North wind 5 to 10 knots veering southeast late in the afternoon. Mostly sunny. Waves around 1 foot.


LMZ645-011000
North Point Light to Wind Point WI
910 PM CDT Thu Apr 30 2026

REST OF TONIGHT
Northwest wind 5 to 10 knots veering north after midnight. Numerous showers just before midnight, then scattered showers after midnight. Isolated showers early in the morning. Waves around 1 foot.

FRIDAY
North wind 10 to 15 knots becoming northeast 5 to 10 knots late in the afternoon. Isolated showers in the afternoon. Waves 1 to 2 feet.

FRIDAY NIGHT
East wind 5 to 10 knots becoming southeast late in the evening, then veering northwest after midnight becoming north early in the morning. Partly cloudy. Waves around 1 foot.

SATURDAY
North wind 5 to 10 knots veering southeast late in the afternoon. Mostly sunny. Waves around 1 foot.


LMZ646-011000
Wind Point WI to Winthrop Harbor IL
910 PM CDT Thu Apr 30 2026

REST OF TONIGHT
Northeast wind 5 to 10 knots backing north early in the morning. Numerous showers just before midnight, then scattered showers after midnight. Waves around 1 foot.

FRIDAY
North wind 10 to 15 knots becoming northeast 5 to 10 knots late in the afternoon. Partly sunny. Waves around 1 foot.

FRIDAY NIGHT
East wind 5 to 10 knots easing to 5 knots late in the evening, then backing northwest after midnight veering north early in the morning. Partly cloudy. Waves around 1 foot.

SATURDAY
North wind 5 to 10 knots veering southeast late in the afternoon. Mostly sunny. Waves around 1 foot.


See Lake Michigan Open Waters Forecast for Sunday through Tuesday.