For Nantucket Island :
No gale warning.
The reliability of the situation is very good.
Sunny despite some high cloud in the morning, sunny in the afternoon. No precipitation. In the evening, cloud and long sunny periods.
No precipitation. WNW force 2 turning SW force 3 in the middle of the day then becoming force 4. Gusts reaching 17 knots in the evening. Slight sea. Low, short swell from SSW. Good visibility becoming excellent in the middle of the day then excellent.