FZUS53 KMKX 191805

NSHMKX



Nearshore Marine Forecast

National Weather Service Milwaukee/Sullivan WI

105 PM CDT Tue Aug 19 2025



For waters within five nautical miles of shore on Lake Michigan



LMZ643-192200-

Sheboygan to Port Washington WI-

105 PM CDT Tue Aug 19 2025



.REST OF TODAY...North wind 10 to 15 knots. Partly sunny. Waves

1 to 2 feet. 

.TONIGHT...Northeast wind 10 to 15 knots backing north early in

the morning. Isolated sprinkles through the night. Waves 1 to

2 feet. 

.WEDNESDAY...North wind 10 to 15 knots veering northeast with

gusts to around 20 knots in the late morning and early afternoon,

then rising to 15 to 20 knots late in the afternoon. Isolated

sprinkles in the morning. Waves 2 to 4 feet. 

.WEDNESDAY NIGHT...North wind 15 to 20 knots becoming northeast

10 to 15 knots in the late evening and overnight. Mostly clear.

Waves 3 to 4 feet. 



$$

LMZ644-192200-

Port Washington to North Point Light WI-

105 PM CDT Tue Aug 19 2025



...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH

LATE WEDNESDAY NIGHT...



.REST OF TODAY...North wind 10 to 15 knots. Partly sunny. Waves

1 to 2 feet. 

.TONIGHT...Northeast wind 10 to 15 knots easing to 5 to 10 knots

late in the evening, then backing north after midnight rising to

10 to 15 knots early in the morning. Isolated sprinkles through

the night. Waves 1 to 2 feet building to 2 to 4 feet early in the

morning. 

.WEDNESDAY...North wind 10 to 15 knots veering northeast in the

late morning and early afternoon, then rising to 15 to 20 knots

late in the afternoon. Isolated sprinkles in the morning. Waves

2 to 4 feet. 

.WEDNESDAY NIGHT...North wind 15 to 20 knots becoming northeast

10 to 15 knots after midnight. Mostly clear. Waves 3 to 4 feet. 



$$

LMZ645-192200-

North Point Light to Wind Point WI-

105 PM CDT Tue Aug 19 2025



...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH

LATE WEDNESDAY NIGHT...



.REST OF TODAY...North wind 10 to 15 knots. Partly sunny. Waves

1 to 3 feet. 

.TONIGHT...North wind 10 to 15 knots. Isolated sprinkles through

the night. Waves 1 to 2 feet building to 2 to 4 feet early in the

morning. 

.WEDNESDAY...North wind 10 to 15 knots veering northeast with

gusts to around 20 knots in the late morning and early afternoon,

then becoming north 15 to 20 knots late in the afternoon.

Isolated sprinkles in the morning. Waves 3 to 4 feet. 

.WEDNESDAY NIGHT...North wind 15 to 20 knots becoming northeast

10 to 15 knots after midnight. Mostly clear. Waves 3 to 4 feet

building to 4 to 6 feet in the late evening and early morning,

then subsiding to 3 to 4 feet early in the morning. 



$$

LMZ646-192200-

Wind Point WI to Winthrop Harbor IL-

105 PM CDT Tue Aug 19 2025



...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH

LATE WEDNESDAY NIGHT...



.REST OF TODAY...North wind 10 to 15 knots. Partly sunny. Waves

1 to 3 feet. 

.TONIGHT...North wind 10 to 15 knots. Isolated sprinkles through

the night. Waves 1 to 2 feet building to 2 to 4 feet early in the

morning. 

.WEDNESDAY...North wind 10 to 15 knots veering northeast with

gusts to around 20 knots in the late morning and early afternoon,

then becoming north 15 to 20 knots late in the afternoon.

Isolated sprinkles in the morning. Waves 3 to 4 feet. 

.WEDNESDAY NIGHT...North wind 15 to 20 knots becoming northeast

10 to 15 knots after midnight. Mostly clear. Waves 3 to 4 feet

building to 4 to 6 feet late in the evening, then subsiding to

3 to 5 feet after midnight subsiding to 3 to 4 feet early in the

morning. 



$$

See Lake Michigan Open Waters Forecast for Thursday through Saturday.