701  
WHUS54 KHGX 011149  
SMWHGX  
GMZ335-350-355-011245-  
/O.NEW.KHGX.MA.W.0205.171101T1149Z-171101T1245Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SPECIAL MARINE WARNING  
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX  
649 AM CDT WED NOV 1 2017  
 
THE NATIONAL WEATHER SERVICE IN LEAGUE CITY HAS ISSUED A  
 
* SPECIAL MARINE WARNING FOR...  
COASTAL WATERS FROM FREEPORT TO MATAGORDA SHIP CHANNEL TX OUT 20  
NM...  
COASTAL WATERS FROM HIGH ISLAND TO FREEPORT TX OUT 20 NM...  
GALVESTON BAY...  
 
* UNTIL 745 AM CDT  
 
* AT 649 AM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING  
WATERSPOUTS WAS LOCATED OVER SURFSIDE JETTY...MOVING NORTHEAST AT  
30 KNOTS.  
 
HAZARD...WATERSPOUTS AND WIND GUSTS 34 KNOTS OR GREATER.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...WATERSPOUTS CAN QUICKLY FORM AND CAPSIZE BOATS...DAMAGE  
VESSELS AND OIL RIGS...AND CREATE SUDDENLY HIGHER WAVES.  
MAKE SURE ALL ON BOARD ARE IN A SECURE LOCATION AND  
WEARING LIFE JACKETS. SMALL CRAFT COULD BE DAMAGED IN  
BRIEFLY HIGHER WINDS AND SUDDENLY HIGHER WAVES.  
 
* LOCATIONS IMPACTED INCLUDE...  
SAN LUIS PASS...GALVESTON CAUSEWAY...GALVESTON SHIP CHANNEL...  
SURFSIDE JETTY...BASTROP BAY...CHRISTMAS BAY...DRUM BAY...OFFATTS  
BAYOU...GALVESTON 221...GALVESTON PIER 21...WEST BAY AND THE TEXAS  
CITY DIKE.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
THUNDERSTORMS CAN PRODUCE SUDDEN WATERSPOUTS. WATERSPOUTS CAN EASILY  
OVERTURN BOATS AND CREATE LOCALLY HAZARDOUS SEAS. SEEK SAFE HARBOR  
IMMEDIATELY.  
 

 
 
LAT...LON 2917 9465 2880 9525 2891 9536 2900 9527  
2905 9525 2938 9484  
TIME...MOT...LOC 1149Z 230DEG 29KT 2892 9525  
 
WATERSPOUT...POSSIBLE  
HAIL...0.00IN  
WIND...>34KTS  
 

 
 
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