FZUS53 KMKX 152210 NSHMKX Nearshore Marine Forecast National Weather Service Milwaukee/Sullivan WI 510 PM CDT Wed Apr 15 2026 For waters within five nautical miles of shore on Lake Michigan LMZ643-160400- Sheboygan to Port Washington WI- 510 PM CDT Wed Apr 15 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT THURSDAY... .TONIGHT...North wind 5 to 10 knots veering east late in the evening, then backing northeast after midnight becoming northeast 5 to 10 knots early in the morning. Patchy dense fog through around midnight. Areas of dense fog after midnight. showers through around midnight. Chance of thunderstorms through the night. Chance of showers after midnight. Waves around 1 foot. .THURSDAY...North wind 10 to 15 knots becoming northeast 5 to 10 knots late in the afternoon. Chance of showers and slight chance of thunderstorms in the morning. areas of dense fog in the morning, then patchy fog in the afternoon. Waves around 1 foot. .THURSDAY NIGHT...East wind 5 to 10 knots veering south late in the evening, then becoming south 5 to 10 knots after midnight. Patchy fog through around midnight. Waves around 1 foot. .FRIDAY...South wind 10 to 15 knots rising to 15 to 20 knots early in the afternoon, then becoming 15 to 25 knots late in the afternoon. Slight chance of showers in the afternoon. Waves 1 to 2 feet building to 3 to 5 feet in the afternoon. $$ LMZ644-160400- Port Washington to North Point Light WI- 510 PM CDT Wed Apr 15 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT THURSDAY... .TONIGHT...Southeast wind 5 to 10 knots backing northeast late in the evening, then veering southeast after midnight backing north early in the morning. Patchy dense fog until early morning. Areas of dense fog early in the morning. showers through around midnight. Chance of thunderstorms through the night. Chance of showers after midnight. Waves around 1 foot. .THURSDAY...North wind 5 to 10 knots rising to 10 to 15 knots early in the afternoon, then becoming northeast 5 to 10 knots late in the afternoon. Patchy dense fog through the day. chance of showers and slight chance of thunderstorms in the morning. Slight chance of showers in the afternoon. Waves around 1 foot. .THURSDAY NIGHT...East wind 5 to 10 knots veering south after midnight. Areas of dense fog through around midnight. Waves around 1 foot. .FRIDAY...South wind 5 to 10 knots rising to 10 to 15 knots late in the morning, then becoming southeast 15 to 20 knots in the afternoon. Slight chance of showers in the afternoon. Waves 1 to 2 feet building to 3 to 4 feet in the afternoon. $$ LMZ645-160400- North Point Light to Wind Point WI- 510 PM CDT Wed Apr 15 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT THURSDAY... .TONIGHT...South wind 10 to 15 knots becoming southeast 5 to 10 knots late in the evening, then veering south after midnight veering west early in the morning. Patchy dense fog through the night. showers through around midnight. Chance of thunderstorms through the night. Rain showers likely after midnight. Waves around 1 foot. .THURSDAY...Northwest wind 5 to 10 knots veering north 5 to 15 knots late in the morning, then becoming 10 to 15 knots early in the afternoon easing to 5 to 10 knots late in the afternoon. Patchy fog through the day. chance of showers and slight chance of thunderstorms in the morning. Slight chance of showers in the afternoon. Waves around 1 foot. .THURSDAY NIGHT...Northeast wind 5 to 10 knots veering south after midnight. Areas of dense fog through around midnight. Waves around 1 foot. .FRIDAY...South wind 5 to 10 knots rising to 10 to 15 knots late in the morning, then backing southeast 10 to 20 knots early in the afternoon becoming 15 to 20 knots late in the afternoon. Mostly cloudy. Waves 1 to 2 feet building to 2 to 4 feet in the afternoon. $$ LMZ646-160400- Wind Point WI to Winthrop Harbor IL- 510 PM CDT Wed Apr 15 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT THURSDAY... .TONIGHT...South wind 10 to 15 knots easing to 5 to 10 knots late in the evening, then becoming south 5 to 10 knots after midnight veering southwest early in the morning. Patchy dense fog through the night. showers through around midnight. Chance of thunderstorms through the night. Rain showers likely after midnight. Waves around 1 foot. .THURSDAY...West wind 5 to 10 knots becoming northwest 10 to 15 knots late in the morning, then veering north early in the afternoon easing to 5 to 10 knots late in the afternoon. Patchy fog through the day. chance of showers and slight chance of thunderstorms in the morning. Slight chance of showers in the afternoon. Waves around 1 foot. .THURSDAY NIGHT...Northeast wind 5 to 10 knots veering south after midnight. Patchy fog through around midnight. Waves around 1 foot. .FRIDAY...Southeast wind 5 to 10 knots rising to 15 to 20 knots. Mostly cloudy. Waves 1 to 2 feet building to 2 to 4 feet late in the afternoon. $$ See Lake Michigan Open Waters Forecast for Saturday through Monday.