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20NM E Hyannis MA

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 3:04 am EDT Jun 1, 2026
Forecast Valid: 5am EDT Jun 1, 2026-6pm EDT Jun 7, 2026

Today

N wind 6 to 9 kt becoming NE 11 to 16 kt in the morning. A chance of showers, mainly before 7am. Seas around 3 ft.

Tonight

NE wind around 6 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas around 3 ft.

Tuesday

Variable winds less than 5 kt becoming S 5 to 9 kt in the afternoon. Sunny. Seas 2 to 3 ft.

Tuesday Night

SSW wind 6 to 8 kt becoming WSW after midnight. Partly cloudy. Seas around 2 ft.

Wednesday

NW wind around 6 kt becoming ESE in the afternoon. Sunny. Seas around 2 ft.

Wednesday Night

SW wind around 6 kt. Mostly clear. Seas around 2 ft.

Thursday

SSW wind 8 to 12 kt. Sunny. Seas 2 to 3 ft.

Thursday Night

SW wind 10 to 12 kt. Mostly clear. Seas around 3 ft.

Friday

SW wind 9 to 13 kt. Mostly sunny. 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.