National Weather Service Marine Forecast FZUS53 KMKX

FZUS53 KMKX 131111
NSHMKX

Nearshore Marine Forecast
National Weather Service Milwaukee/Sullivan WI
511 AM CST Tue Jan 13 2026

For waters within five nautical miles of shore on Lake Michigan

LMZ643-131700
Sheboygan to Port Washington WI
511 AM CST Tue Jan 13 2026

SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT

GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY EVENING

TODAY
Southwest wind 15 to 20 knots veering west late in the morning, then becoming 10 to 20 knots early in the afternoon becoming 15 to 20 knots late in the afternoon. Gusts up to 30 knots. Slight chance of rain in the morning. Slight chance of rain late in the afternoon. Waves 3 to 4 feet.

TONIGHT
West wind 15 to 20 knots with gusts to around 25 knots veering northwest 15 to 25 knots after midnight, then rising to up to 30 knots with gusts to around 35 knots early in the morning. Slight chance of rain through around midnight, then chance of snow and rain after midnight. Waves 1 to 2 feet building to 4 to 6 feet after midnight.

WEDNESDAY
North wind up to 30 knots with gusts to around 35 knots. Freezing spray through the day. chance of snow in the morning. Slight chance of snow in the afternoon. Waves 5 to 7 feet building to 6 to 8 feet late in the morning, then subsiding to 5 to 7 feet in the afternoon.

WEDNESDAY NIGHT
North wind up to 30 knots easing to 15 to 25 knots late in the evening, then backing northwest after midnight. Freezing spray. Waves 5 to 7 feet subsiding to 3 to 5 feet after midnight.

Wave heights are for ice free areas.


LMZ644-131700
Port Washington to North Point Light WI
511 AM CST Tue Jan 13 2026

SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT

GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY EVENING

TODAY
Southwest wind 15 to 20 knots veering west 10 to 20 knots in the late morning and early afternoon, then becoming 15 to 20 knots late in the afternoon. Gusts up to 30 knots. Slight chance of rain in the morning. Slight chance of rain late in the afternoon. Waves 2 to 4 feet subsiding to 1 to 2 feet late in the afternoon.

TONIGHT
West wind 15 to 20 knots veering northwest 15 to 25 knots after midnight, then rising to up to 30 knots early in the morning. Chance of snow after midnight. Waves 1 to 2 feet building to 3 to 5 feet after midnight.

WEDNESDAY
Northwest wind up to 30 knots with gusts to around 35 knots. Freezing spray through the day. chance of snow in the morning. Slight chance of snow in the afternoon. Waves 5 to 7 feet.

WEDNESDAY NIGHT
North wind up to 30 knots easing to 15 to 25 knots with gusts to around 30 knots late in the evening, then backing northwest after midnight becoming 15 to 20 knots early in the morning. Freezing spray through the night. Waves 5 to 7 feet subsiding to 4 to 6 feet in the late evening and overnight.

Wave heights are for ice free areas.


LMZ645-131700
North Point Light to Wind Point WI
511 AM CST Tue Jan 13 2026

SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT

GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY EVENING

TODAY
Southwest wind 15 to 20 knots veering west 10 to 20 knots in the late morning and early afternoon, then becoming 15 to 20 knots late in the afternoon. Gusts up to 25 knots. Sprinkles likely in the morning. Slight chance of rain late in the afternoon. Waves 2 to 4 feet subsiding to 1 to 2 feet late in the afternoon.

TONIGHT
West wind 15 to 20 knots veering northwest after midnight, then rising to up to 30 knots early in the morning. Chance of snow and slight chance of rain after midnight. Waves 1 to 2 feet building to 3 to 5 feet after midnight.

WEDNESDAY
North wind up to 30 knots backing northwest in the afternoon. Gusts up to 35 knots. Freezing spray through the day. chance of snow in the morning. Slight chance of snow in the afternoon. Waves 5 to 7 feet building to 7 to 9 feet in the late morning and afternoon.

WEDNESDAY NIGHT
North wind up to 30 knots easing to 15 to 25 knots with gusts to around 30 knots in the late evening and early morning, then backing northwest 15 to 20 knots early in the morning. Slight chance of snow through around midnight. freezing spray through the night. Waves 6 to 8 feet subsiding to 5 to 7 feet after midnight.

Wave heights are for ice free areas.


LMZ646-131700
Wind Point WI to Winthrop Harbor IL
511 AM CST Tue Jan 13 2026

SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT

GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY EVENING

TODAY
Southwest wind 15 to 20 knots becoming 10 to 20 knots late in the morning, then veering west 15 to 20 knots in the afternoon. Gusts up to 25 knots. Sprinkles likely in the morning. Waves 2 to 4 feet subsiding to 1 to 2 feet late in the afternoon.

TONIGHT
West wind 15 to 20 knots veering northwest after midnight, then becoming 15 to 25 knots early in the morning. Gusts up to 30 knots. Chance of rain and snow after midnight. Waves 1 to 2 feet building to 3 to 5 feet early in the morning.

WEDNESDAY
Northwest wind up to 30 knots easing to 15 to 25 knots late in the afternoon. Gusts up to 35 knots. Freezing spray through the day. chance of snow in the morning. Slight chance of snow in the afternoon. Waves 5 to 7 feet building to 7 to 9 feet late in the morning, then subsiding to 6 to 8 feet in the afternoon.

WEDNESDAY NIGHT
Northwest wind 15 to 25 knots with gusts to around 30 knots becoming 15 to 20 knots early in the morning. Freezing spray through the night. slight chance of snow through the night. Waves 6 to 8 feet subsiding to 5 to 7 feet after midnight.

Wave heights are for ice free areas.


See Lake Michigan Open Waters Forecast for Thursday through Saturday.