956  
WHUS74 KHGX 180507  
MWWHGX  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX  
1207 AM CDT SAT APR 18 2026  
 
GMZ330-335-181315-  
/O.NEW.KHGX.SC.Y.0024.260419T0200Z-260419T1800Z/  
MATAGORDA BAY-GALVESTON BAY-  
1207 AM CDT SAT APR 18 2026  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 9 PM SATURDAY 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 SATURDAY TO 1 PM CDT SUNDAY.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
* ADDITIONAL DETAILS...FREQUENT GUSTS TO GALE WILL BE LIKELY LATE  
SATURDAY NIGHT TO EARLY SUNDAY. SMALL CRAFT ADVISORY WILL LIKELY  
BE CONTINUED INTO SUNDAY AFTERNOON.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.  
 
 
 
 
 
GMZ350-355-370-375-181315-  
/O.NEW.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-  
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-  
1207 AM CDT SAT APR 18 2026  
 
...GALE WATCH IN EFFECT FROM SATURDAY EVENING THROUGH SUNDAY  
AFTERNOON...  
 
* WHAT...NORTHEAST WINDS 25 TO 30 KT WITH GUSTS UP TO 35 TO 40 KT  
AND SEAS 7 TO 10 FT POSSIBLE.  
 
* WHERE...PORTIONS OF GULF OF AMERICA.  
 
* WHEN...FROM SATURDAY EVENING THROUGH SUNDAY AFTERNOON.  
 
* IMPACTS...STRONG WINDS CAN CAUSE HAZARDOUS SEAS WHICH COULD  
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.  
 
* ADDITIONAL DETAILS...WHILE GALE CONDITIONS BECOME UNLIKELY  
BEGINNING IN THE AFTERNOON, ELEVATED WINDS AND SEAS WILL  
CONTINUE INTO LATE SUNDAY.  
 
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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