Nearshore Marine Forecast
Issued by NWS Milwaukee/Sullivan, WI
Issued by NWS Milwaukee/Sullivan, WI
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928 FZUS53 KMKX 190010 NSHMKX Nearshore Marine Forecast National Weather Service Milwaukee/Sullivan WI 710 PM CDT Sat Apr 18 2026 For waters within five nautical miles of shore on Lake Michigan LMZ643-190400- Sheboygan to Port Washington WI- 710 PM CDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING... .TONIGHT...West wind 15 to 25 knots becoming 15 to 20 knots late in the evening, then easing to 10 to 15 knots after midnight. Partly cloudy. Waves 2 to 4 feet subsiding to 1 to 2 feet in the late evening and overnight. .SUNDAY...West wind 10 to 15 knots veering northwest late in the afternoon. Chance of showers and slight chance of snow showers in the morning. Chance of sprinkles in the afternoon. Waves 1 to 2 feet. .SUNDAY NIGHT...North wind 10 to 15 knots veering northeast late in the evening, then becoming northeast 10 to 15 knots after midnight becoming north 5 to 10 knots early in the morning. Chance of sprinkles through around midnight. Waves 1 to 2 feet. .MONDAY...Southwest wind 5 to 10 knots backing south late in the morning, then rising to 10 to 15 knots early in the afternoon rising to 15 to 20 knots late in the afternoon. Sunny. Waves 1 to 2 feet building to 2 to 4 feet late in the afternoon. $$ LMZ644-190400- Port Washington to North Point Light WI- 710 PM CDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING... .TONIGHT...West wind 15 to 25 knots becoming 15 to 20 knots late in the evening, then easing to 10 to 15 knots after midnight. Partly cloudy through around midnight then clearing. Waves 2 to 4 feet subsiding to 1 to 2 feet in the late evening and overnight. .SUNDAY...West wind 10 to 15 knots veering northwest late in the afternoon. Slight chance of snow showers in the morning. Slight chance of showers through the day. Waves 1 to 2 feet. .SUNDAY NIGHT...North wind 10 to 15 knots veering northeast late in the evening, then becoming northeast 10 to 15 knots after midnight easing to 5 to 10 knots early in the morning. Partly cloudy. Waves 1 to 2 feet. .MONDAY...Southeast wind 5 to 10 knots rising to 10 to 15 knots early in the afternoon, then rising to 15 to 20 knots late in the afternoon. Sunny. Waves 1 to 2 feet building to 2 to 4 feet late in the afternoon. $$ LMZ645-190400- North Point Light to Wind Point WI- 710 PM CDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING... .TONIGHT...West wind 15 to 20 knots with gusts to around 25 knots easing to 10 to 15 knots after midnight, then becoming west 10 to 15 knots early in the morning. Partly cloudy through around midnight then clearing. Waves 2 to 4 feet subsiding to 1 to 2 feet in the late evening and overnight. .SUNDAY...West wind 10 to 15 knots veering northwest late in the afternoon. Slight chance of snow showers in the morning. Slight chance of showers through the day. Waves 1 to 2 feet. .SUNDAY NIGHT...North wind 10 to 15 knots veering northeast late in the evening, then becoming northeast 10 to 15 knots after midnight easing to 5 to 10 knots early in the morning. Slight chance of showers through around midnight. Waves 1 to 2 feet. .MONDAY...East wind 5 to 10 knots veering southeast late in the morning, then rising to 10 to 15 knots in the afternoon. Sunny. Waves 1 to 2 feet. $$ LMZ646-190400- Wind Point WI to Winthrop Harbor IL- 710 PM CDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING... .TONIGHT...West wind 15 to 20 knots with gusts to around 25 knots becoming 10 to 20 knots late in the evening, then becoming 10 to 15 knots after midnight becoming west 10 to 15 knots early in the morning. Partly cloudy through around midnight then becoming clear. Waves around 1 foot. .SUNDAY...West wind 10 to 15 knots veering northwest with gusts to around 20 knots late in the afternoon. Slight chance of showers through the day. Waves 1 to 2 feet. .SUNDAY NIGHT...North wind 10 to 15 knots veering northeast after midnight, then easing to 5 to 10 knots early in the morning. Slight chance of showers through around midnight. Waves 1 to 2 feet. .MONDAY...East wind 5 to 10 knots veering southeast late in the morning, then rising to 10 to 15 knots in the afternoon. Sunny. Waves 1 to 2 feet. $$ See Lake Michigan Open Waters Forecast for Tuesday through Thursday.