898
WHUS74 KHGX 172317
MWWHGX
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
517 PM CST WED DEC 17 2025
GMZ330-335-350-355-180730-
/O.NEW.KHGX.MF.Y.0039.251217T2317Z-251218T1600Z/
MATAGORDA BAY-GALVESTON BAY-
COASTAL WATERS FROM FREEPORT TO MATAGORDA SHIP CHANNEL TX OUT
20 NM-COASTAL WATERS FROM HIGH ISLAND TO FREEPORT TX OUT 20 NM-
517 PM CST WED DEC 17 2025
..DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CST THURSDAY
* WHAT...DENSE FOG WILL REDUCE VISIBILITY TO 1/4 NM OR LESS.
* WHERE...PORTIONS OF GULF OF AMERICA.
* WHEN...UNTIL 10 AM CST THURSDAY.
* IMPACTS...LOW VISIBILITY WILL MAKE NAVIGATION DIFFICULT.
* ADDITIONAL DETAILS...DENSE FOG IS BEGINNING TO DEVELOP AROUND
THE GALVESTON BAY ENTRANCE, AND THIS TREND IS EXPECTED TO EXPAND
ACROSS THE NEARSHORE GULF WATERS, GALVESTON BAY, AND MATAGORDA
BAY THROUGH THE EVENING.
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.
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