For More Weather Information:

21NM NE Hyannis MA

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 6:04 pm EDT Apr 25, 2025
Forecast Valid: 6pm EDT Apr 25, 2025-6pm EDT May 2, 2025

Tonight

SSW wind around 9 kt. Increasing clouds. Seas 1 ft or less.

Saturday

S wind 12 to 17 kt increasing to 18 to 23 kt in the afternoon. Rain, mainly before 4pm. Seas 1 ft or less.

Saturday Night

SSW wind 16 to 19 kt becoming W 11 to 14 kt after midnight. Showers, mainly before 10pm. Seas 1 ft or less.

Sunday

W wind 11 to 14 kt, with gusts as high as 22 kt. A slight chance of showers after 2pm. Seas 1 ft or less.

Sunday Night

NNW wind 12 to 14 kt, with gusts as high as 27 kt. A slight chance of showers before 3am. Seas 1 ft or less.

Monday

NW wind 10 to 13 kt decreasing to 7 to 10 kt in the afternoon. Winds could gust as high as 26 kt. Sunny. Seas 1 ft or less.

Monday Night

Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.

Tuesday

WSW wind 5 to 9 kt becoming SSW in the afternoon. Mostly sunny. Seas 1 ft or less.

Tuesday Night

SW wind 9 to 12 kt, with gusts as high as 21 kt. Mostly cloudy. Seas 1 ft or less.

*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.