517
WHUS73 KGRB 121749
MWWGRB
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREEN BAY WI
1249 PM CDT FRI SEP 12 2025
LMZ521-522-121900-
/O.CAN.KGRB.MF.Y.0008.000000T0000Z-250912T1800Z/
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-
1249 PM CDT FRI SEP 12 2025
..DENSE FOG ADVISORY IS CANCELLED
LMZ541>543-130200-
/O.EXT.KGRB.MF.Y.0008.000000T0000Z-250913T1200Z/
ROCK ISLAND PASSAGE TO STURGEON BAY WI-
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-
1249 PM CDT FRI SEP 12 2025
..DENSE FOG ADVISORY NOW IN EFFECT UNTIL 7 AM CDT SATURDAY
* WHAT...DENSE FOG WILL REDUCE VISIBILITY TO 1 NM OR LESS.
* WHERE...LAKE MICHIGAN NEARSHORE WATERS FROM WASHINGTON ISLAND
TO SHEBOYGAN.
* WHEN...UNTIL 7 AM CDT SATURDAY.
* IMPACTS...LOW VISIBILITY WILL MAKE NAVIGATION DIFFICULT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
JLA
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