For More Weather Information:

20NM E Hyannis MA

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 2:35 am EDT Jul 13, 2026
Forecast Valid: 4am EDT Jul 13, 2026-6pm EDT Jul 19, 2026

Monday

Variable winds less than 5 kt becoming S 8 to 13 kt in the morning. Sunny. Seas 1 to 2 ft.

Monday Night

SW wind 14 to 17 kt. Mostly clear. Seas 2 to 3 ft.

Tuesday

SW wind 17 to 22 kt, with gusts as high as 29 kt. Mostly sunny. Seas around 3 ft.

Tuesday Night

SW wind 21 to 23 kt, with gusts as high as 30 kt. Mostly clear. Seas around 4 ft.

Wednesday

W wind 12 to 15 kt decreasing to 6 to 9 kt in the afternoon. Winds could gust as high as 21 kt. Sunny. Seas around 3 ft.

Wednesday Night

Variable winds 5 kt or less. Partly cloudy. Seas around 2 ft.

Thursday

W wind 7 to 10 kt becoming SW 10 to 13 kt in the afternoon. Mostly sunny. Seas around 2 ft.

Thursday Night

WSW wind 11 to 14 kt becoming NNW 8 to 11 kt after midnight. Partly cloudy. Seas around 2 ft.

Friday

NNW wind 6 to 9 kt. Sunny. Seas around 2 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.