For More Weather Information:

20NM E Hyannis MA

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 2:46 pm EST Mar 4, 2026
Forecast Valid: 4pm EST Mar 4, 2026-6pm EDT Mar 11, 2026

Tonight

SW wind around 6 kt. Partly cloudy. Seas around 3 ft.

Thursday

Variable winds less than 5 kt becoming ENE 9 to 14 kt in the morning. Rain likely, mainly after 5pm. Patchy fog. Seas around 2 ft.

Thursday Night

E wind 14 to 19 kt. Rain. Seas 2 ft building to 4 ft.

Friday

NE wind 15 to 19 kt. Rain, mainly before 1pm. Seas 4 to 5 ft.

Friday Night

NE wind 5 to 10 kt becoming ESE after midnight. Cloudy. Seas around 6 ft.

Saturday

S wind 6 to 11 kt increasing to 12 to 17 kt in the afternoon. Cloudy. Seas around 5 ft.

Saturday Night

SSW wind 15 to 20 kt. A chance of rain after 8pm. Seas around 5 ft.

Sunday

W wind 7 to 11 kt. A chance of rain. Seas 3 to 4 ft.

Sunday Night

SW wind 8 to 11 kt. Partly cloudy. 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.