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12NM NW Hyannis MA

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 2:40 am EDT Sep 9, 2026
Forecast Valid: 5am EDT Sep 9, 2026-6pm EDT Sep 15, 2026

...GALE WARNING IN EFFECT FROM THIS EVENING THROUGH THURSDAY

Today

Variable winds less than 5 kt becoming SSW 8 to 13 kt in the morning. Winds could gust as high as 21 kt. Partly sunny. Seas 1 ft or less.

Tonight

SSW wind 12 to 17 kt, with gusts as high as 35 kt. A chance of showers, mainly after 2am. Seas 1 ft or less.

Thursday

WSW wind 14 to 17 kt, with gusts as high as 38 kt. A chance of showers, mainly before 10am. Seas 1 ft or less.

Thursday Night

W wind 5 to 9 kt becoming variable and less than 5 kt. Mostly cloudy. Seas 1 ft or less.

Friday

NNW wind 7 to 9 kt. Sunny. Seas 1 ft or less.

Friday Night

Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.

Saturday

Variable winds less than 5 kt becoming SSE 5 to 7 kt in the afternoon. Mostly sunny. Seas 1 ft or less.

Saturday Night

Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.

Sunday

S wind 6 to 10 kt. A chance of 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.