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20NM E Hyannis MA

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 2:55 pm EDT May 8, 2026
Forecast Valid: 9pm EDT May 8, 2026-6pm EDT May 15, 2026

Tonight

WSW wind 7 to 11 kt. Partly cloudy. Seas around 3 ft.

Saturday

SSW wind 6 to 9 kt becoming S 10 to 13 kt in the afternoon. Winds could gust as high as 20 kt. A chance of showers, mainly after 2pm. Seas 2 to 3 ft.

Saturday Night

S wind 13 to 15 kt, with gusts as high as 22 kt. Showers and possibly a thunderstorm before 2am, then showers likely. Patchy fog. Seas 3 to 4 ft.

Sunday

SSW wind around 12 kt. A chance of showers, mainly before 9am. Patchy fog before 9am. Seas around 3 ft.

Sunday Night

SSW wind 5 to 10 kt. A slight chance of showers after 4am. Seas around 3 ft.

Monday

N wind 6 to 10 kt. Showers, mainly after 9am. Seas 2 to 3 ft.

Monday Night

N wind 10 to 13 kt. Showers, mainly before 2am. Seas around 3 ft.

Tuesday

N wind 13 to 16 kt decreasing to 10 to 13 kt in the afternoon. A chance of showers. Seas around 3 ft.

Tuesday Night

WNW wind around 8 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.