509
WHUS51 KBOX 131837
SMWBOX
ANZ231-250-251-131930-
/O.NEW.KBOX.MA.W.0037.260813T1837Z-260813T1930Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
237 PM EDT THU AUG 13 2026
THE NATIONAL WEATHER SERVICE IN BOSTON/NORTON HAS ISSUED A
* SPECIAL MARINE WARNING FOR...
CAPE COD BAY...
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK NATIONAL
MARINE SANCTUARY...
MASSACHUSETTS BAY AND IPSWICH BAY...
* UNTIL 330 PM EDT.
* AT 236 PM EDT, A STRONG THUNDERSTORM WAS LOCATED NEAR MANOMET
POINT, MOVING SOUTHEAST AT 20 KNOTS.
HAZARD...WIND GUSTS 34 KNOTS OR GREATER.
SOURCE...RADAR.
IMPACT...SMALL CRAFT COULD BE DAMAGED IN BRIEFLY HIGHER WINDS AND
SUDDENLY HIGHER WAVES.
* LOCATIONS IMPACTED INCLUDE...
PLYMOUTH LIGHT, DUXBURY PIER LIGHT, WELLFLEET HARBOR, CAPE COD BAY,
GREEN HARBOR, NORTH EASTHAM, MANOMET POINT, AND GURNET POINT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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 4195 6999 4180 6996 4176 7000 4177 7002
4173 7012 4193 7062 4199 7075 4214 7060
TIME...MOT...LOC 1836Z 293DEG 21KT 4199 7045
HAIL...0.00IN
WIND...>34KTS
EM
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