149
WHUS51 KBOX 171924
SMWBOX
ANZ235>237-256-172030-
/O.NEW.KBOX.MA.W.0002.260417T1924Z-260417T2030Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
324 PM EDT FRI APR 17 2026
THE NATIONAL WEATHER SERVICE IN BOSTON/NORTON HAS ISSUED A
* SPECIAL MARINE WARNING FOR...
BLOCK ISLAND SOUND...
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT TO
20 NM SOUTH OF BLOCK ISLAND...
NARRAGANSETT BAY...
RHODE ISLAND SOUND...
* UNTIL 430 PM EDT.
* AT 324 PM EDT, SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 6 NM NORTHWEST OF SOUTH KINGSTOWN TO NEAR
STONINGTON, MOVING SOUTHEAST AT 30 KNOTS.
HAZARD...WIND GUSTS 34 KNOTS OR GREATER AND HAIL UP TO PENNY SIZE.
SOURCE...RADAR.
IMPACT...SMALL CRAFT COULD BE DAMAGED IN BRIEFLY HIGHER WINDS AND
SUDDENLY HIGHER WAVES. LARGE HAIL COULD RESULT IN
STRUCTURAL DAMAGE.
* LOCATIONS IMPACTED INCLUDE...
WATCH HILL, CHARLESTOWN BREACHWAY, DUTCH HARBOR LIGHT, BLOCK ISLAND
SOUND, THE COASTAL WATERS WEST OF BLOCK ISLAND, POINT JUDITH LIGHT,
CASTLE HILL LIGHT, NARRAGANSETT BAY, RHODE ISLAND SOUND, AND THE
COASTAL WATERS BETWEEN BLOCK ISLAND AND MARTHAS VINEYARD.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO SAFE HARBOR UNTIL HAZARDOUS WEATHER PASSES.
FREQUENT LIGHTNING IS OCCURRING WITH THESE STORMS. IF CAUGHT ON THE
OPEN WATER STAY BELOW DECK IF POSSIBLE, KEEP AWAY FROM UNGROUNDED
METAL OBJECTS.
LAT...LON 4132 7187 4132 7185 4135 7182 4140 7151
4151 7145 4153 7146 4115 7079 4083 7166
4099 7180 4114 7187 4131 7188
TIME...MOT...LOC 1924Z 312DEG 30KT 4154 7162 4143 7189
HAIL...>.75IN
WIND...>34KTS
LOCONTO
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