Watches, Warnings & Advisories



3 products found for Marine Zone: LMZ542

Small Craft Advisory

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
1007 AM CDT Wed Jul 16 2025

LMZ541>543-162315-
/O.CON.KGRB.SC.Y.0062.250717T0000Z-250717T1800Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
1007 AM CDT Wed Jul 16 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING
TO 1 PM CDT THURSDAY...

* WHAT...North winds 15 to 20 kt with gusts up to 25 kt and
  waves 2 to 4 ft expected.

* WHERE...Lake Michigan nearshore waters from Washington Island
  to Sheboygan.

* WHEN...From 7 PM this evening to 1 PM CDT Thursday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$



Tornado Watch

WATCH COUNTY NOTIFICATION FOR WATCH 517
NATIONAL WEATHER SERVICE GREEN BAY WI
226 PM CDT WED JUL 16 2025

LMZ542-543-162300-
/O.CON.KGRB.TO.A.0517.000000T0000Z-250716T2300Z/

TORNADO WATCH 517 REMAINS VALID UNTIL 6 PM CDT THIS EVENING FOR
THE FOLLOWING AREAS

THIS WATCH INCLUDES THE FOLLOWING ADJACENT COASTAL WATERS

STURGEON BAY TO TWO RIVERS WI
TWO RIVERS TO SHEBOYGAN WI

$$




Hazardous Weather Outlook

Hazardous Weather Outlook...UPDATED
National Weather Service Green Bay WI
216 PM CDT Wed Jul 16 2025

LMZ521-522-541>543-171930-
The Bay of Green Bay south of a line from Cedar River MI to Rock
Island Passage-Lake Michigan from Washington Island to Sheboygan-
216 PM CDT Wed Jul 16 2025

This Hazardous Weather Outlook is for portions of northwest Lake
Michigan and the waters of Green Bay.

.DAY ONE...Tonight

Thunderstorms will pose a significant hazard to mariners for the
rest of the afternoon into this evening. Some of the storms
will produce strong winds and heavy rainfall that could reduce
visibilities below one mile for a brief period of time.

Small craft should exercise caution on the bay for the rest of
the afternoon. A Small Craft Advisory is in effect for the bay
and nearshore areas of Lake Michigan tonight.

.DAYS TWO THROUGH SEVEN...Thursday through Wednesday

A Small Craft Advisory is in effect for the bay and nearshore
areas of Lake Michigan through Thursday morning.

Thunderstorms are possible Saturday, and again at times next week
that would pose a hazard to mariners.

$$

Eckberg