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12NM NW Hyannis MA

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 5:04 am EDT Sep 14, 2026
Forecast Valid: 9am EDT Sep 14, 2026-6pm EDT Sep 20, 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EDT THIS MORNING

Today

WNW wind 11 to 14 kt becoming N in the afternoon. Winds could gust as high as 24 kt. Isolated showers before 11am. Seas 1 ft or less.

Tonight

N wind 11 to 14 kt decreasing to 8 to 11 kt after midnight. Clear. Seas 1 ft or less.

Tuesday

NE wind around 9 kt. Sunny. Seas 1 ft or less.

Tuesday Night

Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.

Wednesday

Variable winds less than 5 kt becoming SSW 5 to 8 kt in the morning. Sunny. Seas 1 ft or less.

Wednesday Night

SSW wind around 6 kt becoming variable and less than 5 kt in the evening. Partly cloudy. Seas 1 ft or less.

Thursday

Variable winds less than 5 kt becoming SSW 5 to 7 kt in the afternoon. Mostly sunny. Seas 1 ft or less.

Thursday Night

SSW wind around 7 kt. A chance of showers. Seas 1 ft or less.

Friday

NNW wind 8 to 10 kt becoming NNE in the afternoon. 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.