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20NM E Hyannis MA

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 2:33 pm EDT May 2, 2026
Forecast Valid: 6pm EDT May 2, 2026-6pm EDT May 9, 2026

Tonight

S wind 8 to 11 kt becoming SSW 5 to 8 kt in the evening. Showers, mainly after 7pm. Patchy fog after 7pm. Seas around 3 ft.

Sunday

NW wind 12 to 16 kt. Showers likely, mainly before 11am. Patchy fog before 11am. Seas around 3 ft.

Sunday Night

W wind around 12 kt. Mostly clear. Seas 3 to 4 ft.

Monday

SW wind 13 to 16 kt increasing to 17 to 20 kt in the afternoon. Sunny. Seas around 4 ft.

Monday Night

SW wind 15 to 17 kt. Mostly clear. Seas 3 to 4 ft.

Tuesday

SSW wind 16 to 20 kt, with gusts as high as 26 kt. Sunny. Seas 3 to 4 ft.

Tuesday Night

SSW wind 23 to 26 kt, with gusts as high as 32 kt. Mostly cloudy. Seas around 4 ft.

Wednesday

SSW wind 21 to 23 kt, with gusts as high as 30 kt. Mostly cloudy. Seas 3 to 4 ft.

Wednesday Night

SSW wind 18 to 20 kt, with gusts as high as 26 kt. A chance of showers. Seas 3 to 4 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.