For Nantucket Island :
No gale warning.
The reliability of the situation is very good.
Fair weather with mostly clear skies. In the evening, clear skies but atmosphere misty.
WNW force 1 turning NE force 2 in the middle of the day then SE. Gusts reaching 9 knots from the middle of the day. Slight sea. Low, short swell from S. Poor visibility becoming good in the middle of the day then reduced by mist.