Hazardous Weather Conditions
Last Update: 403 PM EDT Sat Nov 1 2025
For More Weather Information:
20NM W Hyannis MA
Marine Zone Forecast
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EDT SUNDAY...
Tonight
W winds 15 to 20 kt, becoming NW 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. Wave detail: W 4 ft at 6 seconds and S 2 ft at 11 seconds.
Sun
NW winds around 10 kt. Seas around 2 ft. Wave detail: W 2 ft at 6 seconds and S 1 foot at 10 seconds.
Sun Night
NW winds 5 to 10 kt, becoming W after midnight. Seas around 2 ft in the evening, then 1 foot or less. Wave detail: W 1 foot at 5 seconds and S 1 foot at 9 seconds, becoming W 1 foot at 4 seconds and S 1 foot at 8 seconds.
Mon
SW winds 10 to 15 kt, increasing to 15 to 20 kt with gusts up to 25 kt in the afternoon. Seas 2 to 4 ft. Wave detail: SW 3 ft at 4 seconds and S 1 foot at 8 seconds. A chance of rain in the afternoon.
Mon Night
SW winds 15 to 20 kt, becoming W after midnight. Gusts up to 25 kt. Seas 3 to 4 ft. Wave detail: SW 3 ft at 5 seconds and SE 1 foot at 10 seconds. A chance of rain.
Tue And Tue Night
W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave detail: W 3 ft at 5 seconds and SE 1 foot at 9 seconds.
Wed
W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft.
Wed Night And Thu
W winds 15 to 20 kt, becoming NW 20 to 25 kt with gusts up to 30 kt. Seas 2 to 4 ft. A chance of rain.
Thu Night
NW winds 20 to 25 kt. Seas 2 to 4 ft.
seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height.
seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height.
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