232
WHUS73 KGRB 130900
MWWGRB
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREEN BAY WI
400 AM CDT MON APR 13 2026
LMZ521-522-131000-
/O.EXP.KGRB.SC.Y.0041.000000T0000Z-260413T0900Z/
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-
400 AM CDT MON APR 13 2026
...SMALL CRAFT ADVISORY WILL EXPIRE AT 4 AM CDT EARLY THIS
MORNING...
WINDS AND WAVES HAVE SUBSIDED ON THE BAY.
LMZ541-131500-
/O.CON.KGRB.MF.Y.0002.000000T0000Z-260413T1200Z/
/O.CON.KGRB.SC.Y.0041.000000T0000Z-260413T1500Z/
ROCK ISLAND PASSAGE TO STURGEON BAY WI-
400 AM CDT MON APR 13 2026
...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 7 AM CDT THIS
MORNING...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM CDT THIS
MORNING...
* WHAT...FOR THE DENSE FOG ADVISORY, DENSE FOG WILL REDUCE
VISIBILITY TO LESS THAN 1 NM. FOR THE SMALL CRAFT ADVISORY,
SOUTHWEST WINDS 10 TO 15 KT BECOMING WEST, AND WAVES 3 TO 6 FT.
* WHERE...LAKE MICHIGAN NEARSHORE WATERS FROM WASHINGTON ISLAND
TO STURGEON BAY.
* WHEN...FOR THE DENSE FOG ADVISORY, UNTIL 7 AM CDT THIS
MORNING. FOR THE SMALL CRAFT ADVISORY, UNTIL 10 AM CDT THIS
MORNING.
* 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.
LMZ542-543-131500-
/O.CON.KGRB.SC.Y.0041.000000T0000Z-260413T1500Z/
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-
400 AM CDT MON APR 13 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM CDT THIS
MORNING...
* WHAT...SOUTHWEST WINDS 10 TO 15 KTS BECOMING WEST, AND WAVES 2
TO 5 FT.
* WHERE...LAKE MICHIGAN NEARSHORE WATERS FROM STURGEON BAY TO
SHEBOYGAN.
* WHEN...UNTIL 10 AM CDT THIS MORNING.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
TSK
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