FZUS53 KMKX 210610 NSHMKX Nearshore Marine Forecast National Weather Service Milwaukee/Sullivan WI 110 AM CDT Sat Mar 21 2026 For waters within five nautical miles of shore on Lake Michigan LMZ643-210900- Sheboygan to Port Washington WI- 110 AM CDT Sat Mar 21 2026 .REST OF TONIGHT...Northeast wind 5 to 10 knots veering east early in the morning. Mostly cloudy. Waves around 1 foot. .SATURDAY...Southeast wind 5 to 10 knots becoming south 10 to 15 knots late in the morning, then rising to 15 to 20 knots early in the afternoon becoming south 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. .SATURDAY NIGHT...Southwest wind 10 to 20 knots veering west 10 to 15 knots late in the evening, then veering north after midnight becoming 10 to 20 knots early in the morning. Slight chance of rain after midnight. Waves 2 to 4 feet subsiding to 1 to 2 feet after midnight. .SUNDAY...North wind 15 to 20 knots becoming 15 to 25 knots in the late morning and afternoon. Chance of rain through the day. Waves 3 to 4 feet building to 5 to 7 feet. A small craft advisory may be needed. $$ LMZ644-210900- Port Washington to North Point Light WI- 110 AM CDT Sat Mar 21 2026 .REST OF TONIGHT...Northeast wind 5 to 10 knots veering east early in the morning. Mostly cloudy. Waves around 1 foot. .SATURDAY...Southeast wind 5 to 10 knots becoming south 10 to 15 knots late in the morning, then rising to 15 to 20 knots early in the afternoon becoming south 15 to 20 knots late in the afternoon. Mostly cloudy in the morning then becoming mostly sunny. Waves 1 to 2 feet. .SATURDAY NIGHT...Southwest wind 15 to 20 knots becoming west 10 to 15 knots late in the evening, then veering northwest after midnight veering north 10 to 20 knots early in the morning. Slight chance of rain after midnight. Waves 1 to 2 feet. .SUNDAY...North wind 15 to 20 knots becoming 15 to 25 knots late in the morning, then becoming north 15 to 25 knots in the afternoon. Chance of rain through the day. Slight chance of snow in the afternoon. Waves 3 to 5 feet building to 6 to 8 feet. A small craft advisory may be needed. $$ LMZ645-210900- North Point Light to Wind Point WI- 110 AM CDT Sat Mar 21 2026 .REST OF TONIGHT...Northeast wind 5 to 10 knots veering east early in the morning. Mostly cloudy. Waves around 1 foot. .SATURDAY...Southeast wind 5 to 10 knots rising to 10 to 15 knots late in the morning, then veering south with gusts to around 20 knots early in the afternoon becoming south 10 to 15 knots with gusts to around 20 knots late in the afternoon. Mostly cloudy in the morning then becoming mostly sunny. Waves 1 to 2 feet. .SATURDAY NIGHT...Southwest wind 10 to 15 knots veering west late in the evening, then becoming west 10 to 15 knots after midnight veering north 10 to 20 knots early in the morning. Partly cloudy through around midnight then becoming mostly cloudy. Waves 1 to 2 feet. .SUNDAY...North wind 15 to 20 knots rising to up to 30 knots. Chance of rain through the day. Slight chance of snow in the afternoon. Waves 3 to 5 feet building to 6 to 8 feet. A small craft advisory may be needed. $$ LMZ646-210900- Wind Point WI to Winthrop Harbor IL- 110 AM CDT Sat Mar 21 2026 .REST OF TONIGHT...Northeast wind 5 to 10 knots. Mostly cloudy. Waves around 1 foot. .SATURDAY...Southeast wind 5 to 10 knots becoming south 10 to 15 knots late in the morning, then becoming south 10 to 15 knots with gusts to around 20 knots in the afternoon. Mostly cloudy in the morning then clearing. Waves 1 to 2 feet. .SATURDAY NIGHT...Southwest wind 10 to 15 knots veering west late in the evening, then becoming west 10 to 15 knots after midnight veering north early in the morning. Partly cloudy. Waves 1 to 2 feet. .SUNDAY...North wind 15 to 20 knotsrising to up to 30 knots. Chance of rain through the day. Slight chance of snow in the afternoon. Waves 3 to 5 feet building to 6 to 8 feet. A small craft advisory may be needed. $$ See Lake Michigan Open Waters Forecast for Monday through Wednesday.