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20NM E Hyannis MA

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 2:32 am EDT May 2, 2026
Forecast Valid: 6am EDT May 2, 2026-6pm EDT May 8, 2026

Today

S wind 9 to 12 kt. A chance of showers, mainly after 5pm. Seas around 3 ft.

Tonight

S wind 6 to 9 kt becoming NNW after midnight. Showers, mainly after 7pm. Patchy fog. Seas around 3 ft.

Sunday

NNW wind 11 to 15 kt. Showers likely, mainly before 8am. Patchy fog before 9am. Seas 3 to 4 ft.

Sunday Night

W wind 10 to 12 kt. Mostly clear. Seas around 5 ft.

Monday

SW wind 12 to 15 kt increasing to 15 to 18 kt in the afternoon. Winds could gust as high as 24 kt. Sunny. Seas 3 to 4 ft.

Monday Night

SSW wind around 16 kt. Mostly clear. Seas around 3 ft.

Tuesday

SSW wind 16 to 19 kt, with gusts as high as 25 kt. Mostly sunny. Seas 3 to 4 ft.

Tuesday Night

SSW wind 21 to 23 kt, with gusts as high as 29 kt. Partly cloudy. Seas around 4 ft.

Wednesday

SSW wind 20 to 23 kt, with gusts as high as 30 kt. Mostly 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.