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20NM E Hyannis MA

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 7:27 pm EDT Apr 2, 2026
Forecast Valid: 9pm EDT Apr 2, 2026-6pm EDT Apr 9, 2026

Tonight

E wind 9 to 13 kt. A slight chance of showers after 2am. Patchy fog. Seas 4 to 5 ft.

Friday

SE wind 10 to 15 kt becoming SW in the afternoon. Patchy fog. Seas 3 to 4 ft.

Friday Night

SW wind 18 to 20 kt, with gusts as high as 26 kt. Patchy fog. Seas around 4 ft.

Saturday

WNW wind 11 to 14 kt becoming NE in the afternoon. Winds could gust as high as 21 kt. Patchy fog before 10am. Seas 2 to 3 ft.

Saturday Night

E wind around 14 kt becoming SE after midnight. A chance of showers, mainly after 11pm. Patchy fog. Seas around 3 ft.

Sunday

SSW wind 19 to 22 kt increasing to 22 to 25 kt in the afternoon. Winds could gust as high as 33 kt. Showers. Seas 4 to 5 ft.

Sunday Night

SW wind 16 to 19 kt becoming WNW 13 to 16 kt after midnight. Showers likely before 4am. Seas 6 ft subsiding to 4 ft.

Monday

W wind 12 to 15 kt. Showers likely. Seas 3 to 4 ft.

Monday Night

WNW wind 9 to 11 kt. Mostly clear. 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.