For Nantucket Island :
No gale warning.
The reliability of the situation is very good.
Sunny with some cloud in the afternoon. In the evening, skies with few clouds.
N force 4 turning NE force 3 in the middle of the day then E force 2. Gusts reaching 16 knots in the morning. Slight sea. Low, short swell from ENE. Excellent visibility becoming excellent in the evening.