013  
WHUS51 KPHI 201610  
SMWPHI  
ANZ483-485-201715-  
/O.NEW.KPHI.MA.W.0020.260420T1610Z-260420T1715Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SPECIAL MARINE WARNING  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
1210 PM EDT MON APR 20 2026  
 
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A  
 
* SPECIAL MARINE WARNING FOR...  
OUTER WATERS FROM GREAT EGG INLET NJ TO FENWICK ISLAND DE FROM 20  
TO 60 NM...  
 
* UNTIL 115 PM EDT.  
 
* AT 1210 PM EDT, A SEVERE THUNDERSTORM CAPABLE OF PRODUCING  
WATERSPOUTS WAS LOCATED 20 NM SOUTHEAST OF FIVE FATHOMS BUOY,  
MOVING EAST AT 15 KNOTS.  
 
HAZARD...WATERSPOUTS AND WIND GUSTS 34 KNOTS OR GREATER.  
 
SOURCE...RADAR.  
 
IMPACT...WATERSPOUTS CAN EASILY OVERTURN BOATS AND CREATE LOCALLY  
HAZARDOUS SEAS. SMALL CRAFT COULD BE DAMAGED IN BRIEFLY  
HIGHER WINDS AND SUDDENLY HIGHER WAVES.  
 
* THE SEVERE THUNDERSTORM WILL REMAIN OVER MAINLY OPEN WATERS.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MOVE TO SAFE HARBOR IMMEDIATELY AS GUSTY WINDS AND HIGH WAVES ARE  
EXPECTED.  
 
THUNDERSTORMS CAN PRODUCE SUDDEN WATERSPOUTS. WATERSPOUTS CAN EASILY  
OVERTURN BOATS AND CREATE LOCALLY HAZARDOUS SEAS. SEEK SAFE HARBOR  
IMMEDIATELY.  
 
 
 
LAT...LON 3857 7429 3874 7423 3871 7374 3835 7388  
TIME...MOT...LOC 1610Z 287DEG 13KT 3860 7421  
 
WATERSPOUT...POSSIBLE  
HAIL...0.00IN  
WIND...>34KTS  
 
 
 
ROBERTSON  
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