National Weather Service Marine Forecast FZUS53 KMKX

FZUS53 KMKX 230410
NSHMKX

Nearshore Marine Forecast
National Weather Service Milwaukee/Sullivan WI
1110 PM CDT Wed Jul 22 2026

For waters within five nautical miles of shore on Lake Michigan

LMZ643-231000
Sheboygan to Port Washington WI
1110 PM CDT Wed Jul 22 2026

REST OF TONIGHT
West wind 5 to 10 knots. Clear. Waves around 1 foot.

THURSDAY
West wind 5 to 10 knots backing south early in the afternoon, then rising to 10 to 15 knots with gusts to around 20 knots late in the afternoon. Sunny. Waves around 1 foot.

THURSDAY NIGHT
South wind 15 to 20 knots easing to 10 to 15 knots late in the evening, then veering southwest after midnight veering west early in the morning. Partly cloudy. Waves 1 to 2 feet.

FRIDAY
West wind 5 to 10 knots backing southwest late in the morning, then becoming south 10 to 20 knots early in the afternoon becoming south 10 to 20 knots with gusts to around 25 knots late in the afternoon. Sunny. Waves around 1 foot building to 3 to 4 feet late in the afternoon.

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LMZ644-231000
Port Washington to North Point Light WI
1110 PM CDT Wed Jul 22 2026

REST OF TONIGHT
West wind 5 to 10 knots. Mostly clear. Waves around 1 foot.

THURSDAY
West wind 5 to 10 knots backing southeast early in the afternoon, then rising to 10 to 15 knots late in the afternoon. Sunny. Waves around 1 foot.

THURSDAY NIGHT
South wind 10 to 15 knots becoming southwest 5 to 10 knots after midnight, then veering west early in the morning. Partly cloudy through around midnight then becoming mostly cloudy. Waves 1 to 2 feet.

FRIDAY
West wind 5 to 10 knots backing southwest late in the morning, then becoming south 10 to 20 knots early in the afternoon becoming 15 to 20 knots with gusts to around 25 knots late in the afternoon. Sunny. Waves around 1 foot building to 2 to 4 feet late in the afternoon.

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LMZ645-231000
North Point Light to Wind Point WI
1110 PM CDT Wed Jul 22 2026

REST OF TONIGHT
West wind 5 to 10 knots. Clear. Waves around 1 foot.

THURSDAY
West wind 5 to 10 knots backing southeast early in the afternoon, then rising to 10 to 15 knots late in the afternoon. Sunny. Waves around 1 foot.

THURSDAY NIGHT
South wind 10 to 15 knots becoming southwest 5 to 10 knots after midnight, then veering west early in the morning. Partly cloudy. Waves around 1 foot.

FRIDAY
West wind 5 to 10 knots backing southwest late in the morning, then becoming south 10 to 15 knots with gusts to around 20 knots early in the afternoon rising to 15 to 20 knots late in the afternoon. Mostly sunny. Waves around 1 foot building to 2 to 4 feet late in the afternoon.

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LMZ646-231000
Wind Point WI to Winthrop Harbor IL
1110 PM CDT Wed Jul 22 2026

REST OF TONIGHT
West wind 5 to 10 knots. Clear. Waves around 1 foot.

THURSDAY
West wind 5 to 10 knots backing southeast early in the afternoon, then rising to 10 to 15 knots late in the afternoon. Sunny. Waves around 1 foot.

THURSDAY NIGHT
South wind 10 to 15 knots becoming southwest 5 to 10 knots after midnight, then veering west early in the morning. Partly cloudy. Waves around 1 foot.

FRIDAY
West wind 5 to 10 knots backing south late in the morning, then rising to 10 to 15 knots early in the afternoon backing southeast with gusts to around 20 knots late in the afternoon. Mostly sunny. Waves around 1 foot.

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See Lake Michigan Open Waters Forecast for Saturday through Monday.