939  
WHUS74 KHGX 160522  
MWWHGX  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX  
1222 AM CDT MON MAR 16 2026  
 
GMZ335-161330-  
/O.NEW.KHGX.LO.Y.0008.260316T0522Z-260316T1800Z/  
/O.CON.KHGX.GL.W.0003.000000T0000Z-260316T1800Z/  
/O.CON.KHGX.SC.Y.0020.260316T1800Z-260317T0600Z/  
GALVESTON BAY-  
1222 AM CDT MON MAR 16 2026  
   
..LOW WATER ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON  
   
..GALE WARNING REMAINS IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 1 PM THIS  
AFTERNOON TO 1 AM CDT TUESDAY...  
 
* WHAT...FOR THE LOW WATER ADVISORY, ABNORMALLY LOW WATER LEVELS.  
FOR THE GALE WARNING, NORTH WINDS 25 TO 35 KT WITH GUSTS OF 40  
TO 45 KT AND VERY ROUGH BAY WATERS. FOR THE SMALL CRAFT  
ADVISORY, NORTH WINDS 15 TO 25 KT WITH GUSTS UP TO 30 KT AND  
ROUGH BAY WATERS EXPECTED.  
 
* WHERE...GALVESTON BAY.  
 
* WHEN...FOR THE LOW WATER ADVISORY, UNTIL 1 PM CDT THIS  
AFTERNOON. FOR THE SMALL CRAFT ADVISORY, FROM 1 PM THIS  
AFTERNOON TO 1 AM CDT TUESDAY.  
 
* IMPACTS...STRONG WINDS WILL CAUSE HAZARDOUS SEAS WHICH COULD  
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY. BELOW NORMAL  
WATER LEVELS WILL RESULT IN HAZARDOUS NAVIGATING CONDITIONS.  
 
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.  
 
MARINERS SHOULD NAVIGATE SHALLOW WATERS WITH EXTREME CAUTION DUE  
TO BELOW NORMAL WATER LEVELS.  
 
 
 
 
 
GMZ330-350-355-370-375-161330-  
/O.CON.KHGX.GL.W.0003.000000T0000Z-260316T1800Z/  
/O.CON.KHGX.SC.Y.0020.260316T1800Z-260317T0600Z/  
MATAGORDA BAY-  
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-  
1222 AM CDT MON MAR 16 2026  
   
..GALE WARNING REMAINS IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 1 PM THIS  
AFTERNOON TO 1 AM CDT TUESDAY...  
 
* WHAT...FOR THE GALE WARNING, NORTH WINDS 25 TO 35 KT WITH GUSTS  
UP TO 45 KT AND SEAS 10 TO 15 FT EXPECTED. FOR THE SMALL CRAFT  
ADVISORY, NORTH WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT AND  
SEAS 6 TO 12 FT EXPECTED.  
 
* WHERE...GALVESTON BAY, MATAGORDA BAY, AND THE ADJACENT GULF  
WATERS.  
 
* WHEN...FOR THE GALE WARNING, FROM 10 PM THIS EVENING TO 1 PM  
CDT MONDAY. FOR THE SMALL CRAFT ADVISORY, FROM 1 PM MONDAY TO  
1 AM CDT TUESDAY.  
 
* IMPACTS...STRONG WINDS WILL CAUSE HAZARDOUS SEAS WHICH COULD  
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.  
 
* ADDITIONAL DETAILS...LOCALLY HIGHER WIND GUSTS UP TO AROUND 50  
KNOTS ARE POSSIBLE. SEAS WELL OFFSHORE COULD REACH 15 FEET.  
 
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.  
 
 
 
 
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