633  
FZUS74 KLCH 221504  
MWSLCH  
 
MARINE WEATHER STATEMENT  
NATIONAL WEATHER SERVICE LAKE CHARLES LA  
1004 AM CDT SUN APR 22 2018  
 
GMZ472-475-221530-  
/O.CON.KLCH.MA.W.0042.000000T0000Z-180422T1530Z/  
1004 AM CDT SUN APR 22 2018  
   
..A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 1030 AM CDT
 
 
FOR THE FOLLOWING AREAS...  
WATERS FROM INTRACOASTAL CITY TO CAMERON LA FROM 20 TO 60 NM...  
WATERS FROM LOWER ATCHAFALAYA RIVER TO INTRACOASTAL CITY LA FROM 20  
TO 60 NM...  
 
AT 1003 AM CDT, A STRONG THUNDERSTORM WAS LOCATED OVER SOUTH MARSH  
ISLAND 99, OR 65 NM SOUTH OF MARSH ISLAND, MOVING EAST AT 30 KNOTS.  
 
HAZARD...WIND GUSTS TO 40 KNOTS.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...SMALL CRAFT COULD BE DAMAGED IN BRIEFLY HIGHER WINDS AND  
SUDDENLY HIGHER WAVES.  
 
LOCATIONS IMPACTED INCLUDE...  
EUGENE ISLAND 224, SOUTH MARSH ISLAND 78, SOUTH MARSH ISLAND 69,  
VERMILION 256, SOUTH MARSH ISLAND 58, EUGENE ISLAND 243, VERMILION  
250, SOUTH MARSH ISLAND 99, VERMILION 252, SOUTH MARSH ISLAND 76,  
SOUTH MARSH ISLAND 61 AND EUGENE ISLAND 217.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
THUNDERSTORMS CAN PRODUCE SUDDEN WATERSPOUTS. WATERSPOUTS CAN EASILY  
OVERTURN BOATS AND CREATE LOCALLY HAZARDOUS SEAS. SEEK SAFE HARBOR  
IMMEDIATELY.  
 
FREQUENT LIGHTNING IS OCCURRING WITH THIS STORM. IF CAUGHT ON THE  
OPEN WATER STAY BELOW DECK IF POSSIBLE, KEEP AWAY FROM UNGROUNDED  
METAL OBJECTS.  
 

 
 
LAT...LON 2862 9146 2842 9206 2846 9224 2853 9242  
2877 9201  
TIME...MOT...LOC 1503Z 272DEG 28KT 2848 9207  
 
HAIL...0.00IN  
WIND...40KTS  
 

 
 
WARTHEN  
 
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