467
WHUS73 KGRB 132245
MWWGRB
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREEN BAY WI
545 PM CDT MON APR 13 2026
LMZ541>543-140645-
/O.NEW.KGRB.MF.Y.0003.260413T2245Z-260414T1200Z/
/O.CON.KGRB.SC.Y.0042.260414T0600Z-260414T1800Z/
ROCK ISLAND PASSAGE TO STURGEON BAY WI-
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-
545 PM CDT MON APR 13 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT TUESDAY
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 1 AM TO 1 PM CDT
TUESDAY...
* WHAT...FOR THE DENSE FOG ADVISORY, DENSE FOG WILL REDUCE
VISIBILITY TO 1/2 NM OR LESS. FOR THE SMALL CRAFT ADVISORY,
NORTH WINDS 10 TO 15 KT AND WAVES 3 TO 5 FT EXPECTED.
* WHERE...LAKE MICHIGAN NEARSHORE WATERS FROM WASHINGTON ISLAND
TO SHEBOYGAN.
* WHEN...FOR THE DENSE FOG ADVISORY, UNTIL 7 AM CDT TUESDAY. FOR
THE SMALL CRAFT ADVISORY, FROM 1 AM TO 1 PM CDT TUESDAY.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT. LOW
VISIBILITY WILL MAKE NAVIGATION DIFFICULT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
IF YOU MUST NAVIGATE, PROCEED WITH CAUTION. USE PROPER FOG
SIGNALS. MAKE SURE ALL RUNNING LIGHTS ARE ON. REMEMBER TO USE
YOUR RADAR AND COMPASS.
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