257
WHUS73 KGRB 240139
MWWGRB
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREEN BAY WI
839 PM CDT FRI OCT 23 2026
LMZ541>543-240945-
/O.NEW.KGRB.MF.Y.0022.261024T0139Z-261024T1500Z/
/O.CON.KGRB.SC.Y.0092.261024T1700Z-261025T1200Z/
ROCK ISLAND PASSAGE TO STURGEON BAY WI-
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-
839 PM CDT FRI OCT 23 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT SATURDAY
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM NOON SATURDAY TO
7 AM CDT SUNDAY...
* WHAT...FOR THE DENSE FOG ADVISORY, DENSE FOG WILL REDUCE
VISIBILITY TO UNDER ONE MILE. FOR THE SMALL CRAFT ADVISORY,
SOUTH WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT AND WAVES 3 TO 6
FT EXPECTED.
* WHERE...LAKE MICHIGAN NEARSHORE WATERS FROM WASHINGTON ISLAND
TO SHEBOYGAN.
* WHEN...FOR THE DENSE FOG ADVISORY, UNTIL 10 AM CDT SATURDAY.
FOR THE SMALL CRAFT ADVISORY, FROM NOON SATURDAY TO 7 AM CDT
SUNDAY.
* 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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