National Weather Service Weather Forecast Office

• Home
• Site Map
• News
• Organization
• Search for: NWS All NOAA 

000
FZUS53 KMKX 211306
NSHMKX

Nearshore Marine Forecast
National Weather Service Milwaukee/Sullivan WI
706 AM CST Tue Jan 21 2020

For waters within five nautical miles of shore on Lake Michigan

LMZ643-211700-
Sheboygan to Port Washington WI-
706 AM CST Tue Jan 21 2020

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM CST THIS AFTERNOON
THROUGH WEDNESDAY AFTERNOON...

.TODAY...Southwest wind 5 to 15 knots becoming 10 to 15 knots
with gusts to around 20 knots late in the morning, then rising to
15 to 20 knots early in the afternoon becoming southwest 15 to
20 knots late in the afternoon. Sunny. Waves 1 to 2 feet building
to 2 to 4 feet late in the afternoon.
.TONIGHT...Southwest wind 15 to 25 knots. Mostly clear. Waves
3 to 4 feet building to 3 to 5 feet in the late evening and
overnight.
.WEDNESDAY...Southwest wind 15 to 25 knots becoming 15 to
20 knots early in the afternoon, then backing south late in the
afternoon. Slight chance of rain and snow in the afternoon. Waves
4 to 6 feet subsiding to 3 to 5 feet in the late morning and
afternoon.
.WEDNESDAY NIGHT...South wind 15 to 20 knots veering southwest
after midnight, then easing to 10 to 15 knots early in the
morning. Snow and rain likely. Waves 3 to 5 feet subsiding to
3 to 4 feet after midnight.

Wave heights are for ice free areas.

$$
LMZ644-211700-
Port Washington to North Point Light WI-
706 AM CST Tue Jan 21 2020

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM CST THIS AFTERNOON
THROUGH WEDNESDAY AFTERNOON...

.TODAY...West wind 5 to 15 knots backing southwest 10 to 15 knots
with gusts to around 20 knots late in the morning, then rising to
15 to 20 knots early in the afternoon becoming southwest 15 to
20 knots late in the afternoon. Sunny. Waves around 1 foot.
.TONIGHT...Southwest wind 15 to 20 knots becoming 15 to 25 knots.
Mostly clear. Waves 3 to 4 feet.
.WEDNESDAY...Southwest wind 10 to 20 knots becoming 15 to
20 knots in the late morning and early afternoon, then backing
south late in the afternoon. Gusts up to 25 knots. Slight chance
of rain and snow in the afternoon. Waves 3 to 4 feet.
.WEDNESDAY NIGHT...South wind 15 to 20 knots veering southwest
after midnight, then easing to 10 to 15 knots early in the
morning. Chance of snow through around midnight, then snow likely
after midnight. Waves 2 to 4 feet.

Wave heights are for ice free areas.

$$
LMZ645-211700-
North Point Light to Wind Point WI-
706 AM CST Tue Jan 21 2020

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM CST THIS AFTERNOON
THROUGH WEDNESDAY AFTERNOON...

.TODAY...West wind 5 to 15 knots backing southwest 10 to 15 knots
late in the morning, then rising to 15 to 20 knots early in the
afternoon becoming southwest 15 to 20 knots late in the
afternoon. Sunny. Waves around 1 foot.
.TONIGHT...Southwest wind 15 to 20 knots becoming 15 to 25 knots
after midnight. Mostly clear. Waves 3 to 4 feet.
.WEDNESDAY...Southwest wind 10 to 20 knots becoming 15 to
20 knots early in the afternoon, then backing south late in the
afternoon. Gusts up to 25 knots. Partly sunny. Waves 3 to 4 feet.
.WEDNESDAY NIGHT...South wind 15 to 20 knots veering southwest
after midnight, then easing to 10 to 15 knots early in the
morning. Chance of snow through around midnight, then snow likely
after midnight. Waves 3 to 4 feet subsiding to 1 to 2 feet early
in the morning.

Wave heights are for ice free areas.

$$
LMZ646-211700-
Wind Point WI to Winthrop Harbor IL-
706 AM CST Tue Jan 21 2020

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM CST THIS AFTERNOON
THROUGH WEDNESDAY AFTERNOON...

.TODAY...West wind 5 to 10 knots becoming southwest 10 to
15 knots with gusts to around 20 knots in the late morning and
afternoon. Sunny. Waves around 1 foot.
.TONIGHT...Southwest wind 15 to 20 knots becoming 15 to 25 knots
after midnight. Mostly clear. Waves 3 to 4 feet.
.WEDNESDAY...Southwest wind 15 to 25 knots backing south 15 to
20 knots in the afternoon. Partly sunny. Waves 3 to 4 feet.
.WEDNESDAY NIGHT...South wind 15 to 20 knots veering southwest
after midnight, then easing to 10 to 15 knots early in the
morning. Chance of snow and rain through around midnight, then
snow likely after midnight. Waves 3 to 4 feet subsiding to 1 to
3 feet early in the morning.

Wave heights are for ice free areas.

$$
See Lake Michigan Open Waters Forecast for Thursday through Saturday.