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4NM E Hyannis MA

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 2:50 pm EDT Apr 10, 2026
Forecast Valid: 4pm EDT Apr 10, 2026-6pm EDT Apr 17, 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT SATURDAY...

Tonight

SW wind 11 to 16 kt. A slight chance of showers after 3am. Seas 1 ft or less.

Saturday

NNW wind 11 to 14 kt, with gusts as high as 22 kt. Cloudy through mid morning, then gradual clearing. Seas 1 ft or less.

Saturday Night

NNW wind 5 to 9 kt. Mostly clear. Seas 1 ft or less.

Sunday

Variable winds 5 kt or less. Increasing clouds. Seas 1 ft or less.

Sunday Night

SSW wind 5 to 8 kt. A chance of showers, mainly after 3am. Seas 1 ft or less.

Monday

SW wind 12 to 15 kt, with gusts as high as 26 kt. A chance of showers before 8am, then a slight chance of showers after 2pm. Seas 1 ft or less.

Monday Night

SW wind 9 to 13 kt, with gusts as high as 22 kt. A chance of showers before midnight. Seas 1 ft or less.

Tuesday

W wind around 7 kt becoming SSE in the afternoon. Mostly sunny. Seas 1 ft or less.

Tuesday Night

S wind around 6 kt. Mostly cloudy. 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.