357
WHUS71 KBOX 171909
MWWBOX
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
309 PM EDT WED SEP 17 2025
ANZ256-180600-
/O.EXT.KBOX.SC.Y.0093.000000T0000Z-250918T0600Z/
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
309 PM EDT WED SEP 17 2025
..SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 2 AM EDT THURSDAY
* WHAT...EAST WINDS 5 TO 15 KT WITH GUSTS UP TO 25 KT AND SEAS 3
TO 5 FEET.
* WHERE...COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD
EXTENDING OUT TO 20 NM SOUTH OF BLOCK ISLAND.
* WHEN...UNTIL 2 AM EDT THURSDAY.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
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