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12NM NW Hyannis MA

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 2:35 am EDT Jul 13, 2026
Forecast Valid: 4am EDT Jul 13, 2026-6pm EDT Jul 19, 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH

Monday

Variable winds less than 5 kt becoming SSW 7 to 12 kt in the morning. Winds could gust as high as 20 kt. Sunny. Seas 1 ft or less.

Monday Night

SW wind around 12 kt, with gusts as high as 20 kt. Mostly clear. Seas 1 ft or less.

Tuesday

SW wind 11 to 16 kt, with gusts as high as 26 kt. Mostly sunny. Seas 1 ft or less.

Tuesday Night

SW wind 12 to 17 kt, with gusts as high as 27 kt. Mostly clear. Seas 1 ft or less.

Wednesday

W wind 6 to 9 kt becoming WNW in the morning. Sunny. Seas 1 ft or less.

Wednesday Night

Variable winds 5 kt or less. A slight chance of showers between 7pm and 8pm. Seas 1 ft or less.

Thursday

Variable winds less than 5 kt becoming WSW 5 to 9 kt in the morning. Mostly sunny. Seas 1 ft or less.

Thursday Night

WSW wind 5 to 8 kt becoming NNW after midnight. Partly cloudy. Seas 1 ft or less.

Friday

NW wind around 6 kt becoming N 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.