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19NM SW Hyannis MA

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 1:37 pm EST Nov 13, 2026
Forecast Valid: 2pm EST Nov 13, 2026-6pm EST Nov 19, 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM EST THIS EVENING...

This Afternoon

NNE wind 13 to 15 kt, with gusts as high as 24 kt. A chance of rain. Seas 1 ft or less.

Tonight

NNW wind around 11 kt. Mostly cloudy. Seas 1 ft or less.

Saturday

NNW wind 9 to 11 kt becoming WNW in the afternoon. Mostly cloudy, then gradually becoming 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 12 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 WSW 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.