593 FZUS53 KMKX 151210 NSHMKX Nearshore Marine Forecast National Weather Service Milwaukee/Sullivan WI 710 AM CDT Thu Oct 15 2026 For waters within five nautical miles of shore on Lake Michigan LMZ643-151600- Sheboygan to Port Washington WI- 710 AM CDT Thu Oct 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY MORNING... ...GALE WARNING IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY EVENING... .TODAY...East wind 15 to 20 knots veering southeast late in the morning, then becoming 10 to 20 knots early in the afternoon becoming southeast 10 to 20 knots late in the afternoon. Slight chance of showers late in the morning. Rain showers in the afternoon. Waves 3 to 4 feet building to 5 to 7 feet. .TONIGHT...East wind 15 to 20 knots backing northeast 10 to 20 knots late in the evening, then backing northwest 15 to 20 knots after midnight becoming 15 to 25 knots early in the morning. Rain showers through around midnight, then chance of showers after midnight. Waves 4 to 6 feet subsiding to 3 to 4 feet. .FRIDAY...Northwest wind 15 to 25 knots rising to up to 30 knots late in the morning, then becoming north gales to 35 knots with gusts to around 40 knots in the afternoon. Chance of showers through the day. Waves 3 to 5 feet building to 7 to 9 feet. .FRIDAY NIGHT...North gales to 35 knots with gusts to around 40 knots easing to up to 30 knots late in the evening, then easing to 15 to 25 knots after midnight becoming northwest 10 to 15 knots early in the morning. Mostly clear. Waves 7 to 9 feet subsiding to 3 to 5 feet. $$ LMZ644-151600- Port Washington to North Point Light WI- 710 AM CDT Thu Oct 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY MORNING... ...GALE WARNING IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY EVENING... .TODAY...East wind 15 to 20 knots veering southeast late in the morning, then becoming 10 to 20 knots early in the afternoon becoming 15 to 20 knots late in the afternoon. Chance of showers late in the morning. Rain showers in the afternoon. Slight chance of thunderstorms late in the afternoon. Waves 4 to 6 feet building to 5 to 7 feet in the afternoon. .TONIGHT...East wind 15 to 20 knots backing northeast 10 to 20 knots late in the evening, then backing northwest 15 to 20 knots after midnight becoming 15 to 25 knots early in the morning. Rain showers through around midnight, then chance of showers after midnight. Waves 5 to 7 feet subsiding to 3 to 4 feet. .FRIDAY...Northwest wind 15 to 25 knots becoming northwest 15 to 25 knots with gusts to around 30 knots late in the morning, then becoming north up to 30 knots with gusts to around 35 knots early in the afternoon becoming north up to 30 knots with gusts to around 40 knots late in the afternoon. Chance of showers through the day. Waves 4 to 6 feet building to 7 to 9 feet late in the afternoon. .FRIDAY NIGHT...North wind up to 30 knots with gusts to around 40 knots easing to 15 to 25 knots after midnight, then easing to 10 to 20 knots early in the morning. Mostly clear. Waves 8 to 10 feet subsiding to 4 to 6 feet. $$ LMZ645-151600- North Point Light to Wind Point WI- 710 AM CDT Thu Oct 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY MORNING... ...GALE WARNING IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY EVENING... .TODAY...East wind 15 to 20 knots veering southeast late in the morning, then becoming 10 to 20 knots early in the afternoon becoming 15 to 20 knots late in the afternoon. Chance of showers late in the morning. Rain showers in the afternoon. Slight chance of thunderstorms late in the afternoon. Waves 4 to 6 feet. .TONIGHT...Southeast wind 15 to 20 knots backing north late in the evening, then backing northwest 15 to 25 knots after midnight becoming northwest 15 to 25 knots with gusts to around 30 knots early in the morning. Rain showers and slightchance of thunderstorms through around midnight, then chance of showers after midnight. Waves 4 to 6 feet subsiding to 3 to 4 feet after midnight. .FRIDAY...Northwest wind 15 to 25 knots becoming northwest 15 to 25 knots with gusts to around 30 knots late in the morning, then becoming north up to 30 knots with gusts to around 35 knots early in the afternoon rising to gales to 35 knots with gusts to around 40 knots late in the afternoon. Slight chance of showers in the morning. Chance of showers in the afternoon. Waves 4 to 6 feet building to 8 to 10 feet late in the afternoon. .FRIDAY NIGHT...North wind up to 30 knots with gusts to around 40 knots easing to 15 to 25 knots after midnight, then easing to 10 to 20 knots early in the morning. Partly cloudy. Waves 9 to 11 feet subsiding to 6 to 8 feet early in the morning. $$ LMZ646-151600- Wind Point WI to Winthrop Harbor IL- 710 AM CDT Thu Oct 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY MORNING... ...GALE WARNING IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY EVENING... .TODAY...East wind 15 to 20 knots veering southeast in the late morning and afternoon. Chance of showers late in the morning. Rain showers in the afternoon. Slight chance of thunderstorms late in the afternoon. patchy fog in the afternoon. Waves 4 to 6 feet. .TONIGHT...Southeast wind 15 to 20 knots veering west late in the evening, then veering northwest 15 to 25 knots after midnight becoming northwest 15 to 25 knots with gusts to around 30 knots early in the morning. Patchy fog through around midnight. showers and slight chance of thunderstorms through around midnight, then slight chance of showers after midnight. Waves 3 to 4 feet. .FRIDAY...Northwest wind 15 to 25 knots rising to up to 30 knots with gusts to around 35 knots early in the afternoon, then veering north with gusts to around 40 knots late in the afternoon. Chance of showers in the morning, then showers likely in the afternoon. slight chance of waterspouts in the afternoon. Waves 4 to 6 feet building to 7 to 9 feet late in the afternoon. .FRIDAY NIGHT...North wind up to 30 knots with gusts to around 40 knots easing to 15 to 20 knots. Slight chance of showers through around midnight. Waves 9 to 11 feet subsiding to 6 to 8 feet early in the morning. $$ See Lake Michigan Open Waters Forecast for Saturday through Monday.