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4NM E Hyannis MA

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 4:50 am EST Jan 31, 2026
Forecast Valid: 7am EST Jan 31, 2026-6pm EST Feb 6, 2026

...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH LATE SUNDAY

Today

WNW wind 5 to 8 kt becoming variable and less than 5 kt in the afternoon. Increasing clouds. Seas 1 ft or less.

Tonight

N wind 5 to 8 kt becoming NE 10 to 13 kt after midnight. Winds could gust as high as 25 kt. A chance of snow, mainly after 1am. Seas 1 ft or less.

Sunday

NNE wind 17 to 20 kt increasing to 20 to 23 kt in the afternoon. Winds could gust as high as 37 kt. Snow. Seas 1 ft or less.

Sunday Night

NNW wind 19 to 22 kt decreasing to 13 to 16 kt after midnight. Winds could gust as high as 36 kt. Snow likely, mainly before 1am. Seas 1 ft or less.

Monday

NNW wind 7 to 11 kt, with gusts as high as 21 kt. Partly sunny. Seas 1 ft or less.

Monday Night

NW wind around 6 kt. Partly cloudy. Seas 1 ft or less.

Tuesday

Variable winds 5 kt or less. Sunny. Seas 1 ft or less.

Tuesday Night

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

Wednesday

W wind 5 to 7 kt. Mostly 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.