Hazardous Weather Conditions
Last Update: 703 PM EDT Fri Sep 25 2026
For More Weather Information:
8NM S Hyannis MA
Marine Zone Forecast
...STORM WARNING IN EFFECT THROUGH SATURDAY EVENING...
Tonight
NE winds 25 to 30 kt with gusts up to 55 kt. Seas 6 to 9 ft. Wave detail: E 7 ft at 12 seconds and NE 6 ft at 6 seconds. Rain.
Sat
NE winds 25 to 30 kt. Gusts up to 55 kt, decreasing to 45 kt in the afternoon. Seas 6 to 9 ft. Wave detail: N 7 ft at 6 seconds and E 7 ft at 11 seconds. Rain.
Sat Night
NE winds 25 to 30 kt with gusts up to 45 kt. Seas 5 to 8 ft. Wave detail: N 7 ft at 7 seconds and SE 4 ft at 11 seconds. Rain.
Sun
E winds 20 to 25 kt with gusts up to 50 kt, diminishing to 15 to 20 kt with gusts up to 40 kt in the afternoon. Seas 5 to 7 ft. Wave detail: S 7 ft at 11 seconds and E 6 ft at 7 seconds. Rain.
Sun Night
E winds around 15 kt. Gusts up to 30 kt, decreasing to 20 kt after midnight. Seas 4 to 6 ft. Wave detail: SE 5 ft at 11 seconds and E 4 ft at 8 seconds. Rain.
Mon
E winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 2 to 4 ft. Wave detail: E 3 ft at 9 seconds and S 1 foot at 7 seconds. Rain likely, mainly in the morning.
Mon Night
SE winds 5 to 10 kt, becoming S after midnight. Seas 2 to 4 ft. A chance of rain in the evening, then a chance of showers after midnight.
Tue Through Wed Night
SW winds 5 to 10 kt. Seas 2 to 3 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.
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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