FZUS53 KMKX 192010 NSHMKX Nearshore Marine Forecast National Weather Service Milwaukee/Sullivan WI 310 PM CDT Tue May 19 2026 For waters within five nautical miles of shore on Lake Michigan LMZ643-200900- Sheboygan to Port Washington WI- 310 PM CDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON... .THROUGH EARLY EVENING...West wind 15 to 20 knots. Mostly cloudy with scattered showers. Waves 2 to 4 feet. .TONIGHT...Northwest wind 15 to 20 knots easing to 10 to 15 knots with gusts to around 20 knots late in the evening, then becoming northwest 10 to 15 knots after midnight veering north early in the morning. Partly cloudy. Waves 1 to 2 feet. .WEDNESDAY...North wind 10 to 15 knots veering northeast late in the morning, then becoming northeast 10 to 15 knots early in the afternoon rising to 15 to 20 knots late in the afternoon. Partly sunny in the morning then clearing. Waves 1 to 2 feet building to 2 to 4 feet late in the afternoon. .WEDNESDAY NIGHT...Northeast wind 10 to 15 knots. Partly cloudy. Waves 2 to 4 feet subsiding to 1 to 2 feet in the late evening and overnight. .THURSDAY...Northeast wind 10 to 15 knots. Partly sunny. Waves 1 to 2 feet. $$ LMZ644-200900- Port Washington to North Point Light WI- 310 PM CDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON... .THROUGH EARLY EVENING...West wind 15 to 20 knots. Mostly cloudy with isolated showers. Waves 1 to 2 feet. .TONIGHT...Northwest wind 15 to 20 knots easing to 10 to 15 knots late in the evening, then becoming northwest 10 to 15 knots after midnight veering north early in the morning. Partly cloudy. Waves 1 to 2 feet. .WEDNESDAY...North wind 10 to 15 knots veering northeast late in the morning, then becoming northeast 10 to 15 knots early in the afternoon rising to 15 to 20 knots late in the afternoon. Partly sunny. Waves 1 to 2 feet building to 2 to 4 feet late in the afternoon. .WEDNESDAY NIGHT...Northeast wind 10 to 15 knots. Partly cloudy. Waves 2 to 4 feet. .THURSDAY...Northeast wind 10 to 15 knots. Partly sunny. Waves 2 to 4 feet subsiding to 1 to 3 feet in the afternoon. $$ LMZ645-200900- North Point Light to Wind Point WI- 310 PM CDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON... .THROUGH EARLY EVENING...West wind 15 to 20 knots. Mostly cloudy with isolated showers. Waves 1 to 2 feet. .TONIGHT...Northwest wind 15 to 20 knots easing to 10 to 15 knots late in the evening, then becoming northwest 10 to 15 knots after midnight veering north early in the morning. Partly cloudy. Waves 1 to 2 feet. .WEDNESDAY...North wind 10 to 15 knots veering northeast late in the morning, then becoming northeast 10 to 15 knots with gusts to around 20 knots early in the afternoon rising to 15 to 20 knots late in the afternoon. Partly sunny. Waves 1 to 2 feet building to 2 to 4 feet in the afternoon. .WEDNESDAY NIGHT...Northeast wind 15 to 20 knots easing to 10 to 15 knots late in the evening, then becoming northeast 10 to 15 knots after midnight rising to 15 to 20 knots early in the morning. Partly cloudy. Waves 3 to 4 feet. .THURSDAY...Northeast wind 10 to 15 knots. Partly sunny. Waves 2 to 4 feet subsiding to 1 to 3 feet late in the afternoon. $$ LMZ646-200900- Wind Point WI to Winthrop Harbor IL- 310 PM CDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON... .THROUGH EARLY EVENING...West wind 15 to 20 knots easing to 10 to 15 knots late in the afternoon. Mostly cloudy with isolated showers. Waves 1 to 2 feet. .TONIGHT...Northwest wind 10 to 15 knots with gusts to around 20 knots veering north early in the morning. Partly cloudy. Waves 1 to 2 feet. .WEDNESDAY...North wind 10 to 15 knots veering northeast late in the morning, then becoming northeast 10 to 15 knots with gusts to around 20 knots early in the afternoon rising to 15 to 20 knots late in the afternoon. Partly sunny. Waves 1 to 2 feet building to 2 to 4 feet in the afternoon. .WEDNESDAY NIGHT...Northeast wind 15 to 20 knots easing to 10 to 15 knots late in the evening, then becoming northeast 10 to 15 knots after midnight. Partly cloudy. Waves 3 to 4 feet. .THURSDAY...Northeast wind 10 to 15 knots veering east late in the morning, then backing northeast early in the afternoon becoming northeast 10 to 15 knots with gusts to around 20 knots late in the afternoon. Partly sunny. Waves 2 to 4 feet subsiding to 1 to 3 feet late in the afternoon. $$ See Lake Michigan Open Waters Forecast for Friday through Sunday.