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20NM E Hyannis MA

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 1:23 pm EST Mar 3, 2026
Forecast Valid: 3pm EST Mar 3, 2026-6pm EDT Mar 10, 2026

This Afternoon

SE wind around 13 kt. Rain. Seas 2 to 3 ft.

Tonight

ESE wind 13 to 15 kt becoming WSW after midnight. Winds could gust as high as 25 kt. Rain, mainly before 4am. Patchy fog after 10pm. Seas 3 to 4 ft.

Wednesday

W wind 5 to 9 kt becoming variable and less than 5 kt in the afternoon. Patchy fog before 11am. Seas around 3 ft.

Wednesday Night

Variable winds 5 kt or less. Patchy fog after midnight. Seas around 3 ft.

Thursday

Variable winds less than 5 kt becoming SSE around 6 kt in the morning. A chance of rain, mainly after noon. Seas around 2 ft.

Thursday Night

E wind 7 to 10 kt increasing to 11 to 14 kt after midnight. Rain likely, mainly after 8pm. Seas 2 ft building to 4 ft.

Friday

NE wind around 15 kt. Rain likely, mainly before 9am. Seas 4 to 5 ft.

Friday Night

NE wind 7 to 11 kt becoming E after midnight. Cloudy. Seas around 6 ft.

Saturday

SE wind 8 to 11 kt becoming SSW 13 to 16 kt in the afternoon. Cloudy. Seas around 5 ft.

*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.