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12NM NW Hyannis MA

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 3:22 pm EDT Sep 23, 2026
Forecast Valid: 3pm EDT Sep 23, 2026-6pm EDT Sep 30, 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...

This Afternoon

NE wind around 19 kt, with gusts as high as 28 kt. Mostly sunny. Seas 1 ft or less.

Tonight

ENE wind around 19 kt, with gusts as high as 29 kt. Partly cloudy. Seas 1 ft or less.

Thursday

NE wind 18 to 21 kt, with gusts as high as 32 kt. Mostly sunny. Seas 1 ft or less.

Thursday Night

NE wind 19 to 21 kt, with gusts as high as 34 kt. A slight chance of rain after 4am. Seas 1 ft or less.

Friday

NNE wind 23 to 25 kt, with gusts as high as 42 kt. Rain likely, mainly after 10am. Seas 1 ft or less.

Friday Night

NNE wind around 29 kt, with gusts as high as 46 kt. Rain. Seas 1 ft or less.

Saturday

NNE wind 26 to 28 kt, with gusts as high as 43 kt. Rain. Seas 1 ft or less.

Saturday Night

N wind 25 to 27 kt, with gusts as high as 39 kt. Showers and possibly a thunderstorm. Seas 1 ft or less.

Sunday

NNE wind 22 to 24 kt, with gusts as high as 33 kt. Showers. 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.