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11NM SW Nantucket MA

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 12:24 pm EDT Aug 16, 2026
Forecast Valid: 6pm EDT Aug 16, 2026-6pm EDT Aug 23, 2026

Tonight

S wind 11 to 13 kt. A slight chance of showers after 3am. Seas 2 to 3 ft.

Monday

SSE wind 15 to 17 kt. Showers likely, mainly before 4pm. Patchy fog after noon. Seas 4 ft building to 6 ft.

Monday Night

SSE wind 9 to 12 kt becoming NNW after midnight. A chance of showers, mainly before 1am. Patchy fog before 2am. Seas 4 to 5 ft.

Tuesday

N wind 11 to 14 kt. Mostly cloudy, then gradually becoming sunny. Seas 3 to 4 ft.

Tuesday Night

Variable winds less than 5 kt becoming W around 6 kt after midnight. Partly cloudy. Seas around 3 ft.

Wednesday

SW wind 6 to 10 kt. Sunny. Seas around 2 ft.

Wednesday Night

SW wind 10 to 12 kt. Mostly clear. Seas around 2 ft.

Thursday

SW wind around 11 kt becoming NW in the afternoon. A chance of showers. Seas around 3 ft.

Thursday Night

W wind 8 to 10 kt becoming NNW after midnight. A chance of showers. Seas around 2 ft.

*Notices:

This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.