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9NM E Hyannis MA

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 1:56 pm EDT Sep 20, 2026
Forecast Valid: 7pm EDT Sep 20, 2026-6pm EDT Sep 27, 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH

Tonight

SE wind 6 to 9 kt. Rain. Patchy fog after 8pm. Seas 1 to 2 ft.

Monday

NNE wind 12 to 15 kt, with gusts as high as 25 kt. Rain likely, mainly before 9am. Seas around 3 ft.

Monday Night

NE wind 11 to 13 kt, with gusts as high as 20 kt. Increasing clouds. Seas around 2 ft.

Tuesday

NE wind around 16 kt, with gusts as high as 22 kt. A chance of showers, mainly after 5pm. Seas around 3 ft.

Tuesday Night

ENE wind 16 to 18 kt, with gusts as high as 28 kt. Mostly cloudy. Seas 3 to 4 ft.

Wednesday

ENE wind 20 to 22 kt, with gusts as high as 32 kt. Partly sunny. Seas 4 to 5 ft.

Wednesday Night

ENE wind around 22 kt, with gusts as high as 31 kt. Mostly cloudy. Seas 5 to 6 ft.

Thursday

NE wind around 23 kt, with gusts as high as 32 kt. Partly sunny. Seas around 6 ft.

Thursday Night

NE wind 22 to 25 kt, with gusts as high as 32 kt. Mostly cloudy. Seas 6 to 7 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.