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12NM NW Hyannis MA

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 3:34 pm EDT Jun 30, 2026
Forecast Valid: 4pm EDT Jun 30, 2026-6pm EDT Jul 7, 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH

Tonight

SSW wind 8 to 11 kt. A chance of showers, mainly after 2am. Seas 1 ft or less.

Wednesday

SW wind 13 to 16 kt, with gusts as high as 26 kt. A slight chance of showers before 7am. Seas 1 ft or less.

Wednesday Night

SW wind 12 to 14 kt, with gusts as high as 23 kt. A slight chance of showers between 4am and 5am. Seas 1 ft or less.

Thursday

SW wind 11 to 13 kt, with gusts as high as 23 kt. Sunny. Seas 1 ft or less.

Thursday Night

SW wind 6 to 11 kt, with gusts as high as 20 kt. Mostly clear. Seas 1 ft or less.

Friday

W wind around 7 kt. A slight chance of showers and thunderstorms after 5pm. Seas 1 ft or less.

Friday Night

WSW wind around 6 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas 1 ft or less.

Independence Day

Variable winds less than 5 kt becoming SW around 6 kt in the morning. Mostly sunny. Seas 1 ft or less.

Saturday Night

Variable winds 5 kt or less. 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.