647  
WHUS51 KOKX 311835  
SMWOKX  
ANZ338-355-311930-  
/O.NEW.KOKX.MA.W.0057.250731T1835Z-250731T1930Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SPECIAL MARINE WARNING  
NATIONAL WEATHER SERVICE NEW YORK NY  
235 PM EDT THU JUL 31 2025  
 
THE NATIONAL WEATHER SERVICE IN UPTON NY HAS ISSUED A  
 
* SPECIAL MARINE WARNING FOR...  
 
SANDY HOOK NJ TO FIRE ISLAND INLET NY OUT 20 NM...  
NEW YORK HARBOR...  
 
* UNTIL 330 PM EDT.  
 
* AT 234 PM EDT, SEVERE THUNDERSTORMS CAPABLE OF PRODUCING  
WATERSPOUTS WERE LOCATED ALONG A LINE EXTENDING FROM NEAR THE  
VERRAZANO NARROWS BRIDGE TO NEAR SOUTH AMBOY, MOVING EAST AT 20  
KNOTS.  
 
HAZARD...WATERSPOUTS, WIND GUSTS IN EXCESS OF 50 KNOTS, AND LARGE  
HAIL.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...WATERSPOUTS CAN EASILY OVERTURN BOATS AND CREATE LOCALLY  
HAZARDOUS SEAS. BOATS COULD SUFFER SIGNIFICANT STRUCTURAL  
DAMAGE IN HIGH WINDS AND HAIL. SMALL CRAFT COULD CAPSIZE  
IN SUDDENLY HIGHER WAVES.  
 
* LOCATIONS IMPACTED INCLUDE...  
SANDY HOOK BAY, THE VERRAZANO NARROWS BRIDGE, RARITAN BAY, LOWER  
NEW YORK HARBOR, AND ROCKAWAY INLET.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
BOATERS SHOULD SEEK SAFE HARBOR IMMEDIATELY UNTIL THESE STORMS PASS.  
WIND GUSTS IN EXCESS OF 50 KNOTS, LARGE HAIL, HIGH WAVES, LIGHTNING,  
AND HEAVY RAIN ARE EXPECTED WITH THESE STORMS. IF CAUGHT ON THE OPEN  
WATER STAY BELOW DECK IF POSSIBLE, KEEP AWAY FROM UNGROUNDED METAL  
OBJECTS.  
 
THESE THUNDERSTORMS MAY PRODUCE SUDDEN WATERSPOUTS. WATERSPOUTS CAN  
EASILY OVERTURN BOATS AND CREATE LOCALLY HAZARDOUS SEAS. SEEK SAFE  
HARBOR IMMEDIATELY. IF CAUGHT ON THE OPEN WATER STAY BELOW DECK IF  
POSSIBLE.  
 

 
 
LAT...LON 4050 7426 4052 7425 4056 7413 4059 7409  
4062 7410 4062 7401 4059 7397 4061 7395  
4059 7361 4042 7394 4048 7402 4044 7399  
4040 7398 4046 7413 4044 7421 4047 7426  
4049 7429  
TIME...MOT...LOC 1834Z 280DEG 19KT 4058 7416 4051 7432  
 
WATERSPOUT...POSSIBLE  
HAIL...>.75IN  
WIND...50KTS  
 

 
 
JM  
 
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