WHUS73 KGRB 181958
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
258 PM CDT Mon May 18 2026

LMZ541>543-190400-
/O.CAN.KGRB.SC.Y.0052.000000T0000Z-260520T0600Z/
/O.EXB.KGRB.SC.Y.0053.260519T0600Z-260520T0600Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
258 PM CDT Mon May 18 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 1 AM TUESDAY TO 1 AM CDT
WEDNESDAY...

* WHAT...Southwest winds 10 to 20 kt with gusts up to 25 kt,
  veering northwest Tuesday afternoon. Waves 3 to 6 ft expected.

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

* WHEN...From 1 AM Tuesday to 1 AM CDT Wednesday.

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

* ADDITIONAL DETAILS...Patchy fog may be dense at times. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LMZ521-522-190400-
/O.CON.KGRB.SC.Y.0053.260519T1500Z-260520T0000Z/
Green Bay south of line from  Cedar River to Rock Island Passage
and north of a line from Oconto WI to Little Sturgeon Bay WI-
Green Bay south of line from  Oconto WI to Little Sturgeon Bay WI-
258 PM CDT Mon May 18 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 AM TO 7 PM CDT
TUESDAY...

* WHAT...West winds 10 to 15 kt with gusts up to 25 kt and waves 
  1 to 2 ft expected.

* WHERE...Central and Southern Bay of Green Bay.

* WHEN...From 10 AM to 7 PM CDT Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

JLA