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20NM E Hyannis MA

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 1:06 am EST Mar 2, 2026
Forecast Valid: 4am EST Mar 2, 2026-6pm EDT Mar 8, 2026

Monday

N wind 9 to 14 kt becoming variable and less than 5 kt in the afternoon. Mostly cloudy, then gradually becoming sunny. Seas 3 to 4 ft.

Monday Night

Variable winds less than 5 kt becoming SSW 5 to 7 kt in the evening. Mostly clear. Seas 2 to 3 ft.

Tuesday

S wind 10 to 15 kt. A slight chance of rain and snow between 11am and 1pm, then rain likely. Seas 2 to 3 ft.

Tuesday Night

SE wind 12 to 17 kt becoming W after midnight. Rain. Seas 2 to 3 ft.

Wednesday

W wind 5 to 9 kt becoming variable and less than 5 kt in the afternoon. Rain likely, mainly before 10am. Seas around 3 ft.

Wednesday Night

Variable winds 5 kt or less. A chance of rain, mainly after 3am. Seas 2 to 3 ft.

Thursday

SSE wind 5 to 7 kt becoming E in the afternoon. A chance of rain. Seas 2 to 3 ft.

Thursday Night

E wind 7 to 10 kt increasing to 11 to 14 kt after midnight. Rain likely. Seas around 3 ft.

Friday

ENE wind 14 to 16 kt. Rain likely. Seas 3 ft building to 5 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.