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4NM E Hyannis MA

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 7:59 am EST Jan 16, 2026
Forecast Valid: 8am EST Jan 16, 2026-6pm EST Jan 22, 2026

...GALE WARNING IN EFFECT UNTIL 4 PM EST THIS AFTERNOON...

Today

W wind 14 to 18 kt, with gusts as high as 35 kt. Sunny. Seas 1 ft or less.

Tonight

WSW wind 5 to 10 kt becoming SSW after midnight. Winds could gust as high as 24 kt. Increasing clouds. Seas 1 ft or less.

Saturday

SSW wind 5 to 9 kt. A chance of rain, mainly after 1pm. Seas 1 ft or less.

Saturday Night

WSW wind 5 to 8 kt. A slight chance of rain before 8pm, then a slight chance of snow after 5am. Seas 1 ft or less.

Sunday

Variable winds less than 5 kt becoming WSW 5 to 8 kt in the morning. A chance of rain and snow before 1pm, then snow. Seas 1 ft or less.

Sunday Night

WNW wind around 6 kt. Snow, mainly before 2am. Seas 1 ft or less.

M.L.King Day

WSW wind 6 to 9 kt increasing to 10 to 13 kt in the afternoon. Winds could gust as high as 26 kt. Mostly sunny. Seas 1 ft or less.

Monday Night

W wind around 15 kt, with gusts as high as 28 kt. Partly cloudy. Seas 1 ft or less.

Tuesday

W wind around 15 kt, with gusts as high as 27 kt. 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.