369
WHUS51 KBOX 300458
SMWBOX
ANZ232-254-255-281-300600-
/O.NEW.KBOX.MA.W.0005.260530T0458Z-260530T0600Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
1258 AM EDT SAT MAY 30 2026
THE NATIONAL WEATHER SERVICE IN BOSTON/NORTON HAS ISSUED A
* SPECIAL MARINE WARNING FOR...
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD AND
NANTUCKET...
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM...
NANTUCKET SOUND...
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM...
* UNTIL 200 AM EDT.
* AT 1258 AM EDT, A STRONG THUNDERSTORM WAS LOCATED NEAR MADAKET
HARBOR, MOVING EAST AT 45 KNOTS.
HAZARD...WIND GUSTS 34 KNOTS OR GREATER AND SMALL HAIL AND
LIGHTNING.
SOURCE...RADAR.
IMPACT...SMALL CRAFT COULD BE DAMAGED IN BRIEFLY HIGHER WINDS AND
SUDDENLY HIGHER WAVES.
* LOCATIONS IMPACTED INCLUDE...
MADAKET HARBOR, BRANT POINT LIGHT, THE COASTAL WATERS SOUTH OF
NANTUCKET, SURFSIDE ON NANTUCKET, SANKATY HEAD LIGHT, AND THE
COASTAL WATERS EAST OF NANTUCKET.
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 4112 7033 4128 7037 4146 6932 4120 6929
TIME...MOT...LOC 0458Z 261DEG 45KT 4123 7021
HAIL...<.75IN
WIND...>34KTS
CAM
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page