Hazardous Weather Conditions
Last Update: 703 PM EST Sun Nov 2 2025
For More Weather Information:
8NM S Hyannis MA
Marine Zone Forecast
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY EVENING THROUGH LATE TUESDAY NIGHT...
Tonight
NW winds 10 to 15 kt, becoming W 5 to 10 kt after midnight. Seas around 2 ft this evening, then 1 foot or less. Wave detail: NW 2 ft at 4 seconds and SE 1 foot at 10 seconds, becoming W 1 foot at 3 seconds and N 1 foot at 5 seconds.
Mon
S winds 10 to 15 kt. Gusts up to 25 kt in the afternoon. Seas 2 to 3 ft. Wave detail: S 2 ft at 3 seconds and N 1 foot at 4 seconds. Rain likely in the afternoon.
Mon Night
SW winds 20 to 25 kt, becoming W 25 to 30 kt after midnight. Seas 3 to 4 ft. Wave detail: W 4 ft at 5 seconds and SE 1 foot at 4 seconds. Rain, mainly in the evening with vsby 1 to 3 nm.
Tue
W winds 25 to 30 kt, diminishing to 20 to 25 kt in the afternoon. Seas 3 to 4 ft. Wave detail: NW 4 ft at 5 seconds and SE 1 foot at 10 seconds.
Tue Night
W winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Gusts up to 30 kt. Seas 2 to 4 ft. Wave detail: NW 4 ft at 5 seconds and SE 1 foot at 9 seconds.
Wed
W winds around 15 kt, becoming SW 20 to 25 kt in the afternoon. Seas 2 to 3 ft. Wave detail: SW 3 ft at 5 seconds and N 1 foot at 6 seconds.
Wed Night
SW winds 25 to 35 kt. Seas 4 to 6 ft. A chance of rain.
Thu
NW winds 25 to 35 kt with gusts up to 40 kt. Seas 4 to 6 ft. A chance of rain.
Thu Night
NW winds 20 to 25 kt. Seas 3 to 5 ft.
Fri
SW winds 20 to 25 kt. Seas 2 to 3 ft.
Fri Night
SW winds 25 to 30 kt. Seas 3 to 5 ft. A chance of rain.
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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