National Weather Service Marine Forecast FZUS53 KMKX

FZUS53 KMKX 240005
NSHMKX

Nearshore Marine Forecast
National Weather Service Milwaukee/Sullivan WI
705 PM CDT Mon Jun 23 2025

For waters within five nautical miles of shore on Lake Michigan

LMZ643-240400
Sheboygan to Port Washington WI
705 PM CDT Mon Jun 23 2025

SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 PM CDT THIS EVENING

SEVERE THUNDERSTORM WATCH 455 IN EFFECT UNTIL 9 PM CDT THIS EVENING

TONIGHT
Southwest wind 10 to 15 knots with gusts to around 20 knots easing to 5 to 10 knots late in the evening, then becoming southwest 5 to 10 knots after midnight. Showers and thunderstorms through around midnight, then scattered showers and a chance of thunderstorms after midnight. Waves 2 to 4 feet subsiding to 1 to 2 feet in the late evening and overnight.

TUESDAY
Southwest wind 5 to 10 knots veering north late in the morning, then becoming northeast 10 to 15 knots in the afternoon. Chance of showers and thunderstorms. Waves around 1 foot.

TUESDAY NIGHT
North wind 10 to 15 knots easing to 5 to 10 knots in the late evening and overnight. Slight chance of thunderstorms through around midnight. Chance of showers through the night. Chance of thunderstorms after midnight. Waves 1 to 2 feet.

WEDNESDAY
North wind 10 to 15 knots becoming northeast 5 to 10 knots in the late morning and afternoon. Rain showers likely and slight chance of thunderstorms. Waves 1 to 2 feet.

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LMZ644-240400
Port Washington to North Point Light WI
705 PM CDT Mon Jun 23 2025

SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 PM CDT THIS EVENING

SEVERE THUNDERSTORM WATCH 455 IN EFFECT UNTIL 9 PM CDT THIS EVENING

TONIGHT
Southwest wind 10 to 15 knots with gusts to around 20 knots becoming southwest 10 to 15 knots late in the evening, then easing to 5 to 10 knots after midnight veering west early in the morning. Showers and thunderstorms through around midnight, then numerous thunderstorms and a chance of showers after midnight. Waves around 1 foot.

TUESDAY
West wind 5 to 10 knots veering northwest late in the morning, then veering northeast early in the afternoon becoming northeast 5 to 10 knots late in the afternoon. Chance of showers and thunderstorms. Waves around 1 foot.

TUESDAY NIGHT
North wind 5 to 10 knots. Chance of showers and thunderstorms. Waves around 1 foot.

WEDNESDAY
North wind 5 to 10 knots veering northeast in the afternoon. Chance of thunderstorms in the morning. Showers likely through the day. Slight chance of thunderstorms in the afternoon. Waves around 1 foot.

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LMZ645-240400
North Point Light to Wind Point WI
705 PM CDT Mon Jun 23 2025

SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 PM CDT THIS EVENING

TONIGHT
Southwest wind 10 to 15 knots with gusts to around 25 knots becoming southwest 10 to 15 knots with gusts to around 20 knots late in the evening, then easing to 5 to 10 knots after midnight veering west early in the morning. Scattered showers and thunderstorms in the evening, then showers and thunderstorms late in the evening. Chance of showers and thunderstorms after midnight. Waves around 1 foot.

TUESDAY
West wind 5 to 10 knots veering northwest late in the morning, then veering northeast early in the afternoon backing north late in the afternoon. Slight chance of showers and thunderstorms in the morning, then chance of showers and thunderstorms in the afternoon. Waves around 1 foot.

TUESDAY NIGHT
North wind 5 to 10 knots. Showers likely and a chance of thunderstorms. Waves around 1 foot.

WEDNESDAY
North wind 5 to 10 knots veering northeast in the afternoon. Showers likely and a chance of thunderstorms in the morning, then chance of showers and slight chance of thunderstorms in the afternoon. Waves around 1 foot.

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LMZ646-240400
Wind Point WI to Winthrop Harbor IL
705 PM CDT Mon Jun 23 2025

SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 PM CDT THIS EVENING

TONIGHT
Southwest wind 10 to 15 knots with gusts to around 20 knots easing to 5 to 10 knots after midnight, then becoming southwest 5 to 10 knots early in the morning. Isolated showers and thunderstorms in the evening, then scattered showers and thunderstorms in the late evening and early morning. Slight chance of showers and thunderstorms early in the morning. Waves around 1 foot.

TUESDAY
West wind 5 to 10 knots veering north late in the morning, then veering east early in the afternoon backing northeast late in the afternoon. Slight chance of showers and thunderstorms in the morning, then chance of showers and thunderstorms in the afternoon. Waves around 1 foot.

TUESDAY NIGHT
North wind 5 to 10 knots. Showers likely and a chance of thunderstorms. Waves around 1 foot.

WEDNESDAY
North wind 5 to 10 knots veering northeast in the afternoon. Showers likely and slight chance of thunderstorms. Waves around 1 foot.

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See Lake Michigan Open Waters Forecast for Thursday through Saturday.