241
FZUS71 KBOX 212111
MWSBOX
MARINE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
511 PM EDT TUE JUL 21 2026
ANZ230-231-250-251-254-280-281-212215-
511 PM EDT TUE JUL 21 2026
..STRONG THUNDERSTORMS APPROACHING THE WATERS
THE AREAS AFFECTED INCLUDE...
BOSTON HARBOR...
CAPE COD BAY...
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY...
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM...
MASSACHUSETTS BAY AND IPSWICH BAY...
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM...
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO 60
NM...
AT 511 PM EDT, DOPPLER RADAR INDICATED STRONG THUNDERSTORMS, CAPABLE
OF PRODUCING WINDS TO AROUND 30 KNOTS. THESE THUNDERSTORMS WERE
LOCATED ALONG A LINE EXTENDING FROM NEAR QUINCY TO NEAR BARNSTABLE,
MOVING NORTHEAST AT 45 KNOTS.
LOCATIONS IMPACTED INCLUDE...
EASTERN POINT MA, THE COASTAL WATERS EAST OF CAPE ANN, BOSTON LIGHT,
MASS BAY BUOY 44029, STELLWAGEN BANK, BROAD SOUND, THE COASTAL WATERS
EAST OF BOSTON HARBOR, CAPE COD BAY, MINOT LIGHT, BARNSTABLE HARBOR,
OCEAN BLUFF-BRANT ROCK, GREEN HARBOR, MANOMET POINT, BOSTON HARBOR,
THE EAST END OF CAPE COD CANAL, BOSTON BUOY 44013, IPSWICH BAY, RACE
POINT, THATCHER ISLAND, AND PLYMOUTH LIGHT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXPECT GUSTY WINDS TO AROUND 30 KNOTS...BRIEFLY ROUGH SEAS AND
LIGHTNING STRIKES. CONSIDER HEADING FOR SAFE HARBOR UNTIL THESE
STORMS PASS.
FREQUENT LIGHTNING IS OCCURRING WITH THESE STORMS. IF CAUGHT ON THE
OPEN WATER STAY BELOW DECK IF POSSIBLE AND KEEP AWAY FROM UNGROUNDED
METAL OBJECTS.
LAT...LON 4232 6938 4189 6995 4204 7005 4208 7023
4201 7008 4180 7000 4171 7033 4172 7035
4174 7031 4174 7029 4180 7053 4225 7076
4225 7088 4236 7103 4264 7059 4265 7059
4269 7063 4262 7069 4265 7075 4280 7060
BW
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