Hazardous Weather Conditions
Last Update: 704 AM EST Tue Nov 4 2025
For More Weather Information:
8NM S Hyannis MA
Marine Zone Forecast
...GALE WARNING IN EFFECT UNTIL 7 PM EST THIS EVENING...
Today
W winds 25 to 30 kt with gusts up to 45 kt, diminishing to 20 to 25 kt with gusts up to 35 kt this afternoon. Seas 4 to 6 ft. Wave detail: NW 4 ft at 6 seconds and SW 2 ft at 9 seconds.
Tonight
W winds 15 to 20 kt. Gusts up to 35 kt, decreasing to 25 kt after midnight. Seas 3 to 5 ft. Wave detail: NW 4 ft at 6 seconds and SW 1 foot at 8 seconds.
Wed
W winds 10 to 15 kt with gusts up to 20 kt, becoming SW 20 to 25 kt with gusts up to 30 kt in the afternoon. Seas 2 to 3 ft, building to 3 to 5 ft in the afternoon. Wave detail: W 2 ft at 4 seconds and W 2 ft at 7 seconds, becoming SW 4 ft at 4 seconds and N 1 foot at 6 seconds.
Wed Night
SW winds 25 to 35 kt, becoming W 30 to 40 kt after midnight. Seas 5 to 7 ft, building to 6 to 9 ft after midnight. Wave detail: SW 5 ft at 5 seconds and SW 5 ft at 8 seconds, becoming W 7 ft at 6 seconds and SW 4 ft at 10 seconds. A chance of rain.
Thu
NW winds 30 to 40 kt with gusts up to 45 kt, diminishing to 25 to 30 kt in the afternoon. Seas 5 to 8 ft, subsiding to 4 to 6 ft in the afternoon. Wave detail: W 7 ft at 6 seconds and SW 3 ft at 10 seconds, becoming NW 5 ft at 6 seconds and SW 2 ft at 9 seconds. A chance of rain in the morning.
Thu Night
NW winds 20 to 25 kt, diminishing to 10 to 15 kt after midnight. Seas 3 to 5 ft, subsiding to 2 to 3 ft after midnight. Wave detail: N 4 ft at 5 seconds and SW 2 ft at 9 seconds, becoming NW 3 ft at 5 seconds and SW 1 foot at 9 seconds.
Fri
SW winds 20 to 25 kt. Seas 2 to 4 ft.
Fri Night
SW winds 25 to 30 kt. Seas 4 to 6 ft. Rain likely.
Sat
SW winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft. Rain likely.
Sat Night
NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 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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