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11NM SW Nantucket MA

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 2:51 pm EDT Oct 17, 2026
Forecast Valid: 11pm EDT Oct 17, 2026-6pm EDT Oct 24, 2026

Overnight

NNE wind 22 to 24 kt, with gusts as high as 30 kt. Mostly clear. Seas 4 to 5 ft.

Sunday

NE wind 15 to 20 kt. Sunny. Seas 3 to 4 ft.

Sunday Night

ENE wind 14 to 17 kt. Clear. Seas around 3 ft.

Monday

ENE wind 21 to 24 kt. A slight chance of showers after 2pm. Seas 4 ft building to 6 ft.

Monday Night

NNE wind 25 to 30 kt. A chance of showers. Seas 7 to 8 ft.

Tuesday

NNE wind 29 to 31 kt. A chance of showers, mainly after 2pm. Seas around 8 ft.

Tuesday Night

NNE wind 33 to 35 kt. A chance of showers before 8pm. Seas around 8 ft.

Wednesday

NE wind 33 to 37 kt. Mostly cloudy. Seas around 9 ft.

Wednesday Night

NE wind 32 to 35 kt. A chance of showers. Seas 9 to 10 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.