635
WHUS74 KHGX 181823
MWWHGX
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
123 PM CDT SAT APR 18 2026
GMZ370-375-191200-
/O.UPG.KHGX.GL.A.0003.260419T0200Z-260419T1800Z/
/O.NEW.KHGX.GL.W.0004.260419T0200Z-260419T1800Z/
WATERS FROM FREEPORT TO MATAGORDA SHIP CHANNEL TX FROM 20 TO
60 NM-WATERS FROM HIGH ISLAND TO FREEPORT TX FROM 20 TO 60 NM-
123 PM CDT SAT APR 18 2026
...GALE WARNING IN EFFECT FROM 9 PM THIS EVENING TO 1 PM CDT
SUNDAY...
* WHAT...NORTHEAST WINDS AROUND 35 KT WITH GUSTS UP TO 40 KT AND
SEAS 7 TO 10 FT EXPECTED.
* WHERE...WATERS FROM FREEPORT TO MATAGORDA SHIP CHANNEL TX FROM
20 TO 60 NM AND WATERS FROM HIGH ISLAND TO FREEPORT TX FROM 20
TO 60 NM.
* WHEN...FROM 9 PM THIS EVENING TO 1 PM CDT SUNDAY.
* IMPACTS...STRONG WINDS WILL CAUSE HAZARDOUS SEAS WHICH COULD
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MARINERS SHOULD ALTER PLANS TO AVOID THESE HAZARDOUS CONDITIONS.
REMAIN IN PORT, SEEK SAFE HARBOR, ALTER COURSE, AND/OR SECURE THE
VESSEL FOR HAZARDOUS CONDITIONS.
GMZ330-335-191200-
/O.CON.KHGX.SC.Y.0024.260419T0200Z-260419T1800Z/
MATAGORDA BAY-GALVESTON BAY-
123 PM CDT SAT APR 18 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING
TO 1 PM CDT SUNDAY...
* WHAT...NORTHEAST WINDS 20 TO 30 KT WITH GUSTS UP TO 35 KT AND
VERY ROUGH BAY WATERS EXPECTED.
* WHERE...MATAGORDA BAY AND GALVESTON BAY.
* WHEN...FROM 9 PM THIS EVENING TO 1 PM CDT SUNDAY.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
GMZ350-355-191200-
/O.CON.KHGX.GL.A.0003.260419T0200Z-260419T1800Z/
COASTAL WATERS FROM FREEPORT TO MATAGORDA SHIP CHANNEL TX OUT
20 NM-COASTAL WATERS FROM HIGH ISLAND TO FREEPORT TX OUT 20 NM-
123 PM CDT SAT APR 18 2026
...GALE WATCH REMAINS IN EFFECT FROM 9 PM CDT THIS EVENING
THROUGH SUNDAY AFTERNOON...
* WHAT...NORTHEAST WINDS AROUND 30 KT WITH GUSTS UP TO 35 KT AND
SEAS 5 TO 8 FT POSSIBLE.
* WHERE...COASTAL WATERS FROM FREEPORT TO MATAGORDA SHIP CHANNEL
TX OUT 20 NM AND COASTAL WATERS FROM HIGH ISLAND TO FREEPORT
TX OUT 20 NM.
* WHEN...FROM 9 PM CDT THIS EVENING THROUGH SUNDAY AFTERNOON.
* IMPACTS...STRONG WINDS CAN CAUSE HAZARDOUS SEAS WHICH COULD
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MARINERS SHOULD CONSIDER ALTERING PLANS TO AVOID POSSIBLE
HAZARDOUS CONDITIONS. REMAIN IN PORT, SEEK SAFE HARBOR, ALTER
COURSE, AND/OR SECURE THE VESSEL FOR SEVERE WIND AND SEAS.
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