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20NM E Hyannis MA

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 1:29 am EST Feb 20, 2026
Forecast Valid: 6am EST Feb 20, 2026-6pm EST Feb 26, 2026

Today

ESE wind 8 to 11 kt increasing to 11 to 14 kt in the afternoon. A slight chance of rain. Seas around 2 ft.

Tonight

E wind 14 to 16 kt becoming NNE after midnight. A slight chance of rain. Seas 3 to 4 ft.

Saturday

N wind 10 to 13 kt. A slight chance of rain. Seas around 4 ft.

Saturday Night

N wind around 9 kt. A slight chance of rain. Seas around 4 ft.

Sunday

ENE wind 10 to 14 kt. A slight chance of rain. Seas around 3 ft.

Sunday Night

ENE wind 17 to 22 kt increasing to 22 to 27 kt after midnight. A slight chance of rain. Seas 4 ft building to 8 ft.

Monday

NE wind 32 to 35 kt becoming N in the afternoon. Winds could gust as high as 42 kt. Cloudy. Seas 11 ft building to 15 ft.

Monday Night

N wind 25 to 30 kt decreasing to 18 to 23 kt. Cloudy. Seas 15 ft subsiding to 11 ft.

Tuesday

NW wind 12 to 15 kt decreasing to 8 to 11 kt in the afternoon. Partly sunny. Seas 9 ft subsiding to 6 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.