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16NM WSW Hyannis MA

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 8:21 am EDT Sep 20, 2026
Forecast Valid: 8am EDT Sep 20, 2026-6pm EDT Sep 26, 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH

Today

SE wind around 9 kt. Rain. Patchy fog after 2pm. Seas 1 ft or less.

Tonight

SE wind 5 to 9 kt. Rain and possibly a thunderstorm before 2am, then rain likely. Patchy fog. Seas 1 ft or less.

Monday

NNE wind around 15 kt, with gusts as high as 23 kt. A chance of rain, mainly before 11am. Patchy fog before 9am. Seas 1 ft or less.

Monday Night

NE wind 10 to 12 kt. Increasing clouds. Seas 1 ft or less.

Tuesday

NE wind around 15 kt, with gusts as high as 23 kt. A slight chance of showers after 2pm. Seas 1 ft or less.

Tuesday Night

ENE wind around 14 kt, with gusts as high as 20 kt. A slight chance of showers before 8pm. Seas 1 ft or less.

Wednesday

ENE wind around 18 kt, with gusts as high as 29 kt. Partly sunny. Seas 1 ft or less.

Wednesday Night

ENE wind around 18 kt, with gusts as high as 24 kt. Mostly cloudy. Seas 1 ft or less.

Thursday

NE wind around 21 kt, with gusts as high as 32 kt. 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.