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12NM NW Hyannis MA

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 3:27 pm EDT Jun 18, 2026
Forecast Valid: 6pm EDT Jun 18, 2026-6pm EDT Jun 25, 2026

...GALE WARNING IN EFFECT UNTIL 10 PM EDT THIS EVENING...

Tonight

SSW wind 14 to 19 kt becoming WSW 7 to 10 kt. Winds could gust as high as 33 kt. A slight chance of showers between 7pm and 9pm. Seas 1 ft or less.

Juneteenth

WSW wind 9 to 12 kt, with gusts as high as 22 kt. Mostly sunny. Seas 1 ft or less.

Friday Night

W wind 7 to 9 kt. Mostly clear. Seas 1 ft or less.

Saturday

W wind around 13 kt, with gusts as high as 21 kt. Sunny. Seas 1 ft or less.

Saturday Night

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

Sunday

Variable winds 5 kt or less. A chance of showers, mainly after 3pm. Seas 1 ft or less.

Sunday Night

Variable winds 5 kt or less. A chance of showers before 7pm. Seas 1 ft or less.

Monday

Variable winds less than 5 kt becoming S 5 to 8 kt in the afternoon. Showers likely. The rain could be heavy at times. Seas 1 ft or less.

Monday Night

S wind 12 to 14 kt, with gusts as high as 23 kt. Showers. The rain could be heavy at times. 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.