Watches, Warnings & Advisories



3 products found for Marine Zone: LMZ646

Gale Warning

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
905 PM CST Tue Dec 9 2025

LMZ643>646-101115-
/O.CON.KMKX.SC.Y.0109.000000T0000Z-251210T1100Z/
/O.CON.KMKX.GL.W.0036.251210T1100Z-251210T1800Z/
Sheboygan to Port Washington WI-
Port Washington to North Point Light WI-
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
905 PM CST Tue Dec 9 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM CST
WEDNESDAY...
...GALE WARNING REMAINS IN EFFECT FROM 5 AM TO NOON CST
WEDNESDAY...

* WHAT...For the Small Craft Advisory, southwest winds 10 to 20 kt
  with gusts up to 25 kt expected. For the Gale Warning, south
  winds 20 to 30 kt with gusts up to 35 kt veering west overnight
  and northwest Wednesday morning.

* WHERE...Nearshore Waters from Sheboygan to North Point
  Lighthouse.

* WHEN...For the Small Craft Advisory, until 5 AM CST Wednesday.
  For the Gale Warning, from 5 AM to noon CST Wednesday.

* IMPACTS...Strong winds will cause hazardous waves which could
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$



Small Craft Advisory

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
905 PM CST Tue Dec 9 2025

LMZ643>646-101115-
/O.CON.KMKX.SC.Y.0109.000000T0000Z-251210T1100Z/
/O.CON.KMKX.GL.W.0036.251210T1100Z-251210T1800Z/
Sheboygan to Port Washington WI-
Port Washington to North Point Light WI-
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
905 PM CST Tue Dec 9 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM CST
WEDNESDAY...
...GALE WARNING REMAINS IN EFFECT FROM 5 AM TO NOON CST
WEDNESDAY...

* WHAT...For the Small Craft Advisory, southwest winds 10 to 20 kt
  with gusts up to 25 kt expected. For the Gale Warning, south
  winds 20 to 30 kt with gusts up to 35 kt veering west overnight
  and northwest Wednesday morning.

* WHERE...Nearshore Waters from Sheboygan to North Point
  Lighthouse.

* WHEN...For the Small Craft Advisory, until 5 AM CST Wednesday.
  For the Gale Warning, from 5 AM to noon CST Wednesday.

* IMPACTS...Strong winds will cause hazardous waves which could
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$



Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
834 PM CST Tue Dec 9 2025

LMZ643>646-110245-
Sheboygan to Port Washington WI-
Port Washington to North Point Light WI-
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
834 PM CST Tue Dec 9 2025

This Hazardous Weather Outlook is for the nearshore waters from
Sheboygan Wisconsin to Winthrop Harbor Illinois.

.DAY ONE...Tonight

A Small Craft Advisory is in effect through tonight due to gusty
winds and building waves. A Gale Warning goes into effect early
Wednesday morning.

.DAYS TWO THROUGH SEVEN...Wednesday through Tuesday

North to northwest gales continue through around Noon on
Wednesday. Gusty winds and elevated waves will lead to lingering
Small Craft Advisory conditions through Wednesday evening.

Additional rounds of gusty winds and high waves are expected
again late week into the weekend.

$$