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20NM E Hyannis MA

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 8:56 am EST Jan 9, 2026
Forecast Valid: 11am EST Jan 9, 2026-6pm EST Jan 15, 2026

Today

S wind 12 to 15 kt. Partly sunny. Seas around 2 ft.

Tonight

S wind 18 to 21 kt becoming WSW 14 to 17 kt after midnight. Showers likely, mainly before 2am. Patchy fog. Seas 3 to 4 ft.

Saturday

WNW wind 6 to 10 kt becoming ENE in the afternoon. Rain likely, mainly after 5pm. Patchy fog after 5pm. Seas 2 to 3 ft.

Saturday Night

E wind 8 to 11 kt becoming E 11 to 14 kt after midnight. Rain. Patchy fog before 8pm. Seas 2 to 3 ft.

Sunday

W wind 10 to 14 kt, with gusts as high as 20 kt. Rain. Seas around 3 ft.

Sunday Night

W wind 18 to 21 kt increasing to 23 to 26 kt after midnight. A chance of rain, mainly before 1am. Seas 4 to 5 ft.

Monday

W wind 21 to 24 kt decreasing to 17 to 20 kt in the afternoon. Winds could gust as high as 30 kt. Sunny. Seas 4 to 5 ft.

Monday Night

WSW wind around 16 kt. Partly cloudy. Seas 3 to 4 ft.

Tuesday

WSW wind 15 to 17 kt. Mostly sunny. Seas around 3 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.