Nearshore Marine Forecast
Issued by NWS Milwaukee/Sullivan, WI

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Nearshore Marine Forecast
National Weather Service Milwaukee/Sullivan WI
513 PM CDT Sun Oct 5 2025

For waters within five nautical miles of shore on Lake Michigan

LMZ643-060400-
Sheboygan to Port Washington WI-
513 PM CDT Sun Oct 5 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING...

.TONIGHT...South wind 15 to 20 knots veering southwest after
midnight, then easing to 10 to 15 knots early in the morning.
Gusts up to 25 knots. Mostly clear. Waves 4 to 6 feet subsiding
to 3 to 5 feet late in the evening, then subsiding to 3 to 4 feet
after midnight.
.MONDAY...Southwest wind 10 to 15 knots becoming west 5 to
10 knots late in the morning, then becoming north 10 to 15 knots
in the afternoon. Chance of showers through the day. Slight
chance of thunderstorms in the afternoon. Waves 2 to 4 feet
subsiding to 1 to 2 feet in the late morning and afternoon.
.MONDAY NIGHT...North wind 10 to 15 knots backing northwest early
in the morning. Rain showers likely. Waves 1 to 2 feet.
.TUESDAY...Northwest wind 10 to 15 knots veering north in the
late morning and afternoon. Partly sunny in the morning then
clearing. Waves 1 to 2 feet.

Wave heights are for ice free areas.

$$
LMZ644-060400-
Port Washington to North Point Light WI-
513 PM CDT Sun Oct 5 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT MONDAY...

.TONIGHT...South wind 10 to 15 knots veering southwest early in
the morning. Gusts up to 25 knots. Mostly clear. Waves 3 to
4 feet.
.MONDAY...Southwest wind 10 to 15 knots becoming northwest 5 to
10 knots early in the afternoon, then becoming north 10 to
15 knots late in the afternoon. Chance of showers through the
day. Slight chance of thunderstorms in the afternoon. Waves 1 to
2 feet.
.MONDAY NIGHT...North wind 10 to 15 knots. Chance of showers and
slight chance of thunderstorms through around midnight, then
showers likely after midnight. Waves 1 to 2 feet.
.TUESDAY...North wind 15 to 20 knots easing to 10 to 15 knots in
the afternoon. Rain showers likely in the morning. Waves 1 to
2 feet.

Wave heights are for ice free areas.

$$
LMZ645-060400-
North Point Light to Wind Point WI-
513 PM CDT Sun Oct 5 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT MONDAY...

.TONIGHT...South wind 10 to 15 knots veering southwest early in
the morning. Gusts up to 25 knots. Mostly clear. Waves 2 to
4 feet.
.MONDAY...Southwest wind 10 to 15 knots with gusts to around
20 knots becoming southwest 10 to 15 knots late in the morning,
then becoming west 5 to 10 knots early in the afternoon becoming
north 10 to 15 knots late in the afternoon. Slight chance of
showers in the morning, then chance of showers and slight chance
of thunderstorms in the afternoon. Waves 1 to 2 feet.
.MONDAY NIGHT...North wind 10 to 15 knots rising to 15 to
20 knots early in the morning. Rain showers and slight chance of
thunderstorms. Waves 1 to 2 feet building to 2 to 4 feet in the
late evening and overnight.
.TUESDAY...North wind 15 to 20 knots easing to 10 to 15 knots
late in the afternoon. Slight chance of showers through the day.
Waves 3 to 4 feet.

Wave heights are for ice free areas.

$$
LMZ646-060400-
Wind Point WI to Winthrop Harbor IL-
513 PM CDT Sun Oct 5 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT MONDAY...

.TONIGHT...South wind 10 to 15 knots veering southwest early in
the morning. Gusts up to 25 knots. Clear. Waves 2 to 4 feet.
.MONDAY...Southwest wind 10 to 15 knots with gusts to around
20 knots becoming southwest 10 to 15 knots late in the morning,
then easing to 5 to 10 knots early in the afternoon veering north
late in the afternoon. Slight chance of showers in the morning,
then chance of showers and slight chance of thunderstorms in the
afternoon. Waves 1 to 2 feet.
.MONDAY NIGHT...North wind 10 to 15 knots becoming 10 to 20 knots
early in the morning. Rain showers and slight chance of
thunderstorms. Waves 1 to 2 feet building to 2 to 4 feet after
midnight.
.TUESDAY...North wind 15 to 20 knots easing to 10 to 15 knots
late in the afternoon. Rain showers in the morning. Waves 3 to
4 feet.

Wave heights are for ice free areas.

$$
See Lake Michigan Open Waters Forecast for Wednesday through Friday.