365
WHUS73 KGRB 220240
MWWGRB
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREEN BAY WI
840 PM CST TUE JAN 21 2025
LMZ541>543-221045-
/O.CON.KGRB.SC.Y.0007.250122T0600Z-250123T0000Z/
/O.CON.KGRB.UP.W.0001.250122T0900Z-250122T1800Z/
ROCK ISLAND PASSAGE TO STURGEON BAY WI-
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-
840 PM CST TUE JAN 21 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT
TO 6 PM CST WEDNESDAY...
...HEAVY FREEZING SPRAY WARNING REMAINS 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.
LMZ521-221045-
/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-
840 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.
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