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17NM SW Hyannis MA

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 10:13 am EST Nov 13, 2026
Forecast Valid: 1pm EST Nov 13, 2026-6pm EST Nov 19, 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EST THIS EVENING...

This Afternoon

NNE wind 15 to 17 kt, with gusts as high as 29 kt. A chance of rain. Seas 1 ft or less.

Tonight

N wind around 12 kt, with gusts as high as 24 kt. Mostly cloudy. Seas 1 ft or less.

Saturday

NW wind 9 to 12 kt. Mostly sunny. Seas 1 ft or less.

Saturday Night

WNW wind 11 to 13 kt. Mostly cloudy, then gradually becoming mostly clear. Seas 1 ft or less.

Sunday

NW wind 9 to 13 kt, with gusts as high as 21 kt. Sunny. Seas 1 ft or less.

Sunday Night

NNW wind 7 to 11 kt. Mostly clear. Seas 1 ft or less.

Monday

NNW wind 8 to 11 kt decreasing to 5 to 8 kt in the afternoon. Sunny. Seas 1 ft or less.

Monday Night

NW wind 5 to 7 kt. Mostly clear. Seas 1 ft or less.

Tuesday

WNW wind 6 to 8 kt becoming W in the afternoon. Sunny. 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.