National Weather Service Raw Text Product

846 
WHUS73 KGRB 212100
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
300 PM CST Tue Jan 21 2025

LMZ541>543-220500-
/O.CON.KGRB.SC.Y.0007.250122T0600Z-250123T0000Z/
/O.NEW.KGRB.UP.W.0001.250122T0900Z-250122T1800Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
300 PM CST Tue Jan 21 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT
TO 6 PM CST WEDNESDAY...
...HEAVY FREEZING SPRAY WARNING IN EFFECT FROM 3 AM TO NOON CST
WEDNESDAY...

* WHAT...For the Small Craft Advisory, southwest winds 15 to 25 
  kt with gusts up to 30 kt and waves 4 to 7 ft expected. For 
  the Heavy Freezing Spray Warning, heavy freezing spray at a 
  rate of 2 cm per hour or greater expected, and may rapidly 
  accumulate on vessels.

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

* WHEN...For the Small Craft Advisory, from midnight tonight to 
  6 PM CST Wednesday. For the Heavy Freezing Spray Warning, from 
  3 AM to noon CST Wednesday.

* IMPACTS...Operating a vessel in heavy freezing spray is 
  hazardous. Freezing spray may render mechanical and electronic 
  components inoperative. Rapid ice accretion on decks and 
  superstructures may result in a catastrophic loss of 
  stability. Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should prepare for dangerous accumulation of ice on
their vessel. If possible, remain in port, avoid the warning area
or conduct mitigation.

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

&&

$$

LMZ521-220500-
/O.CON.KGRB.SC.Y.0007.250122T0600Z-250122T1800Z/
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-
300 PM CST Tue Jan 21 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT
TO NOON CST WEDNESDAY...

* WHAT...Southwest winds 15 to 20 kt with gusts up to 30 kt 
  expected.

* WHERE...Central Bay of Green Bay.

* WHEN...From midnight tonight to noon CST Wednesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$