FZUS53 KMKX 190605 NSHMKX Nearshore Marine Forecast National Weather Service Milwaukee/Sullivan WI 105 AM CDT Tue Aug 19 2025 For waters within five nautical miles of shore on Lake Michigan LMZ643-190900- Sheboygan to Port Washington WI- 105 AM CDT Tue Aug 19 2025 .REST OF TONIGHT...North wind 5 to 10 knots rising to 10 to 15 knots early in the morning. Slight chance of showers after midnight. Waves 1 to 3 feet. .TUESDAY...North wind 10 to 15 knots rising to 15 to 20 knots late in the morning, then easing to 10 to 15 knots early in the afternoon becoming north 10 to 15 knots late in the afternoon. Mostly cloudy. Waves 1 to 3 feet. .TUESDAY NIGHT...Northeast wind 10 to 15 knots backing north early in the morning. Partly cloudy through around midnight then becoming mostly cloudy. Waves 1 to 3 feet building to 2 to 4 feet in the late evening and overnight. .WEDNESDAY...North wind 10 to 15 knots veering northeast early in the afternoon, then backing north late in the afternoon. Partly sunny. Waves 3 to 4 feet. $$ LMZ644-190900- Port Washington to North Point Light WI- 105 AM CDT Tue Aug 19 2025 .REST OF TONIGHT...Northwest wind 5 to 10 knots veering north 5 to 15 knots early in the morning. Chance of showers after midnight, then slight chance of showers early in the morning. Waves 1 to 2 feet. .TUESDAY...Northwest wind 10 to 15 knots veering north late in the afternoon. Mostly cloudy. Waves 1 to 2 feet. .TUESDAY NIGHT...North wind 10 to 15 knots. Mostly cloudy through around midnight then becoming partly cloudy. Waves 1 to 2 feet building to 2 to 4 feet in the late evening and overnight. .WEDNESDAY...North wind 10 to 20 knots becoming 10 to 15 knots late in the morning, then veering northeast early in the afternoon becoming north 15 to 20 knots late in the afternoon. Partly sunny. Waves 3 to 4 feet building to 3 to 5 feet late in the afternoon. $$ LMZ645-190900- North Point Light to Wind Point WI- 105 AM CDT Tue Aug 19 2025 .REST OF TONIGHT...Southwest wind 10 to 15 knots veering northwest early in the morning. Chance of showers. Waves 1 to 2 feet. .TUESDAY...Northwest wind 10 to 15 knots veering north late in the afternoon. Mostly cloudy. Waves 1 to 2 feet. .TUESDAY NIGHT...North wind 10 to 15 knots rising to 15 to 20 knots early in the morning. Mostly cloudy through around midnight then becoming partly cloudy. Waves 1 to 3 feet building to 3 to 4 feet in the late evening and overnight. .WEDNESDAY...North wind 15 to 20 knots becoming northeast 10 to 15 knots late in the morning, then becoming north 15 to 20 knots in the afternoon. Partly sunny in the morning then clearing. Waves 3 to 4 feet building to 4 to 6 feet in the late morning and afternoon. $$ LMZ646-190900- Wind Point WI to Winthrop Harbor IL- 105 AM CDT Tue Aug 19 2025 .REST OF TONIGHT...Southwest wind 10 to 15 knots veering west early in the morning. Showers likely after midnight, then chance of showers early in the morning. Waves 1 to 2 feet. .TUESDAY...Northwest wind 10 to 15 knots veering north late in the afternoon. Mostly cloudy. Waves 1 to 2 feet. .TUESDAY NIGHT...North wind 10 to 15 knots rising to 15 to 20 knots early in the morning. Mostly cloudy through around midnight then becoming partly cloudy. Waves 1 to 2 feet building to 3 to 4 feet in the late evening and overnight. .WEDNESDAY...North wind 15 to 20 knots becoming northeast 10 to 15 knots late in the morning, then backing north with gusts to around 20 knots early in the afternoon rising to 15 to 20 knots late in the afternoon. Mostly cloudy in the morning then clearing. Waves 3 to 4 feet building to 4 to 6 feet in the late morning and afternoon. $$ See Lake Michigan Open Waters Forecast for Thursday through Saturday.