358
WHUS71 KBOX 191945
MWWBOX
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
245 PM EST FRI DEC 19 2025
ANZ230-201000-
/O.CAN.KBOX.SR.W.0005.000000T0000Z-251219T2000Z/
/O.EXA.KBOX.GL.W.0045.000000T0000Z-251220T1200Z/
BOSTON HARBOR-
245 PM EST FRI DEC 19 2025
..GALE WARNING IN EFFECT UNTIL 7 AM EST SATURDAY
..STORM WARNING WILL EXPIRE AT 3 PM EST THIS AFTERNOON
* WHAT...WEST WINDS 20 TO 30 KT WITH GUSTS UP TO 45 KT AND WAVES
AROUND 2 FEET.
* WHERE...BOSTON HARBOR.
* WHEN...UNTIL 7 AM EST SATURDAY.
* IMPACTS...STRONG WINDS WILL CAUSE HAZARDOUS WAVES WHICH COULD
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MARINERS SHOULD ALTER PLANS TO AVOID THESE HAZARDOUS CONDITIONS.
REMAIN IN PORT, SEEK SAFE HARBOR, ALTER COURSE, AND/OR SECURE THE
VESSEL FOR HAZARDOUS CONDITIONS.
ANZ231-251-201000-
/O.CAN.KBOX.SR.W.0005.000000T0000Z-251219T2000Z/
/O.EXB.KBOX.GL.W.0045.000000T0000Z-251220T1400Z/
CAPE COD BAY-MASSACHUSETTS BAY AND IPSWICH BAY-
245 PM EST FRI DEC 19 2025
..GALE WARNING IN EFFECT UNTIL 9 AM EST SATURDAY
..STORM WARNING WILL EXPIRE AT 3 PM EST THIS AFTERNOON
* WHAT...WEST WINDS 25 TO 35 KT WITH GUSTS UP TO 50 KT AND SEAS
5 TO 8 FEET.
* WHERE...CAPE COD BAY AND MASSACHUSETTS BAY AND IPSWICH BAY.
* WHEN...UNTIL 9 AM EST SATURDAY.
* IMPACTS...STRONG WINDS WILL CAUSE HAZARDOUS SEAS WHICH COULD
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MARINERS SHOULD ALTER PLANS TO AVOID THESE HAZARDOUS CONDITIONS.
REMAIN IN PORT, SEEK SAFE HARBOR, ALTER COURSE, AND/OR SECURE THE
VESSEL FOR HAZARDOUS CONDITIONS.
ANZ232>234-201000-
/O.CAN.KBOX.SR.W.0005.000000T0000Z-251219T2000Z/
/O.EXB.KBOX.GL.W.0045.000000T0000Z-251220T1400Z/
NANTUCKET SOUND-VINEYARD SOUND-BUZZARDS BAY-
245 PM EST FRI DEC 19 2025
..GALE WARNING IN EFFECT UNTIL 9 AM EST SATURDAY
..STORM WARNING WILL EXPIRE AT 3 PM EST THIS AFTERNOON
* WHAT...WEST WINDS 25 TO 35 KT WITH GUSTS UP TO 50 KT AND SEAS
7 TO 10 FEET.
* WHERE...NANTUCKET SOUND, VINEYARD SOUND AND BUZZARDS BAY.
* WHEN...UNTIL 9 AM EST SATURDAY.
* IMPACTS...STRONG WINDS WILL CAUSE HAZARDOUS SEAS WHICH COULD
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MARINERS SHOULD ALTER PLANS TO AVOID THESE HAZARDOUS CONDITIONS.
REMAIN IN PORT, SEEK SAFE HARBOR, ALTER COURSE, AND/OR SECURE THE
VESSEL FOR HAZARDOUS CONDITIONS.
ANZ235-201000-
/O.CAN.KBOX.SR.W.0005.000000T0000Z-251219T2000Z/
/O.EXB.KBOX.GL.W.0045.000000T0000Z-251220T1400Z/
RHODE ISLAND SOUND-
245 PM EST FRI DEC 19 2025
..GALE WARNING IN EFFECT UNTIL 9 AM EST SATURDAY
..STORM WARNING WILL EXPIRE AT 3 PM EST THIS AFTERNOON
* WHAT...WEST WINDS 30 TO 40 KT WITH GUSTS UP TO 45 KT AND SEAS
10 TO 15 FEET.
* WHERE...RHODE ISLAND SOUND.
* WHEN...UNTIL 9 AM EST SATURDAY.
* IMPACTS...STRONG WINDS WILL CAUSE HAZARDOUS SEAS WHICH COULD
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MARINERS SHOULD ALTER PLANS TO AVOID THESE HAZARDOUS CONDITIONS.
REMAIN IN PORT, SEEK SAFE HARBOR, ALTER COURSE, AND/OR SECURE THE
VESSEL FOR HAZARDOUS CONDITIONS.
ANZ236-201000-
/O.CAN.KBOX.SR.W.0005.000000T0000Z-251219T2000Z/
/O.EXB.KBOX.GL.W.0045.000000T0000Z-251220T1000Z/
NARRAGANSETT BAY-
245 PM EST FRI DEC 19 2025
..GALE WARNING IN EFFECT UNTIL 5 AM EST SATURDAY
..STORM WARNING WILL EXPIRE AT 3 PM EST THIS AFTERNOON
* WHAT...WEST WINDS 25 TO 35 KT WITH GUSTS UP TO 45 KT AND WAVES
6 TO 9 FEET.
* WHERE...NARRAGANSETT BAY.
* WHEN...UNTIL 5 AM EST SATURDAY.
* IMPACTS...STRONG WINDS WILL CAUSE HAZARDOUS WAVES WHICH COULD
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MARINERS SHOULD ALTER PLANS TO AVOID THESE HAZARDOUS CONDITIONS.
REMAIN IN PORT, SEEK SAFE HARBOR, ALTER COURSE, AND/OR SECURE THE
VESSEL FOR HAZARDOUS CONDITIONS.
ANZ250-254-255-201000-
/O.CAN.KBOX.SR.W.0005.000000T0000Z-251219T2100Z/
/O.EXB.KBOX.GL.W.0045.000000T0000Z-251220T1400Z/
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-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
245 PM EST FRI DEC 19 2025
..GALE WARNING IN EFFECT UNTIL 9 AM EST SATURDAY
..STORM WARNING WILL EXPIRE AT 3 PM EST THIS AFTERNOON
* WHAT...WEST WINDS 30 TO 40 KT WITH GUSTS UP TO 50 KT AND SEAS
11 TO 16 FEET.
* WHERE...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 AND
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS
VINEYARD AND NANTUCKET.
* WHEN...UNTIL 9 AM EST SATURDAY.
* IMPACTS...STRONG WINDS WILL CAUSE HAZARDOUS SEAS WHICH COULD
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MARINERS SHOULD ALTER PLANS TO AVOID THESE HAZARDOUS CONDITIONS.
REMAIN IN PORT, SEEK SAFE HARBOR, ALTER COURSE, AND/OR SECURE THE
VESSEL FOR HAZARDOUS CONDITIONS.
ANZ256-201000-
/O.EXT.KBOX.GL.W.0045.000000T0000Z-251220T1400Z/
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
245 PM EST FRI DEC 19 2025
..GALE WARNING NOW IN EFFECT UNTIL 9 AM EST SATURDAY
* WHAT...WEST WINDS 30 TO 40 KT WITH GUSTS UP TO 45 KT AND SEAS
12 TO 17 FEET.
* WHERE...COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD
EXTENDING OUT TO 20 NM SOUTH OF BLOCK ISLAND.
* WHEN...UNTIL 9 AM EST SATURDAY.
* IMPACTS...STRONG WINDS WILL CAUSE HAZARDOUS SEAS WHICH COULD
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MARINERS SHOULD ALTER PLANS TO AVOID THESE HAZARDOUS CONDITIONS.
REMAIN IN PORT, SEEK SAFE HARBOR, ALTER COURSE, AND/OR SECURE THE
VESSEL FOR HAZARDOUS CONDITIONS.
ANZ237-201000-
/O.EXT.KBOX.GL.W.0045.000000T0000Z-251220T1400Z/
BLOCK ISLAND SOUND-
245 PM EST FRI DEC 19 2025
..GALE WARNING NOW IN EFFECT UNTIL 9 AM EST SATURDAY
* WHAT...WEST WINDS 25 TO 35 KT WITH GUSTS UP TO 45 KT AND SEAS
8 TO 13 FEET.
* WHERE...BLOCK ISLAND SOUND.
* WHEN...UNTIL 9 AM EST SATURDAY.
* IMPACTS...STRONG WINDS WILL CAUSE HAZARDOUS SEAS WHICH COULD
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MARINERS SHOULD ALTER PLANS TO AVOID THESE HAZARDOUS CONDITIONS.
REMAIN IN PORT, SEEK SAFE HARBOR, ALTER COURSE, AND/OR SECURE THE
VESSEL FOR HAZARDOUS CONDITIONS.
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