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Hazardous Weather Conditions
Last Update: 1005 PM EDT Fri Mar 13 2026
For More Weather Information:
20NM W Hyannis MA
Marine Zone Forecast
...GALE WARNING IN EFFECT FROM 2 AM EDT SATURDAY THROUGH SATURDAY AFTERNOON...
Overnight
S winds 20 to 25 kt, increasing to 25 to 30 kt. Seas 3 to 5 ft. Wave detail: S 5 ft at 5 seconds and S 5 ft at 9 seconds. Showers likely.
Sat
W winds 25 to 30 kt with gusts up to 35 kt. Seas 4 to 6 ft. Wave detail: SW 6 ft at 7 seconds.
Sat Night
W winds 20 to 25 kt with gusts up to 30 kt, becoming NW 15 to 20 kt after midnight. Seas 3 to 5 ft, subsiding to 2 to 3 ft after midnight. Wave detail: SW 5 ft at 9 seconds and W 4 ft at 6 seconds, becoming W 3 ft at 7 seconds and S 3 ft at 9 seconds.
Sun
N winds 5 to 10 kt, becoming SE in the afternoon. Seas around 2 ft. Wave detail: SW 2 ft at 7 seconds and N 1 foot at 4 seconds.
Sun Night
SE winds 10 to 15 kt with gusts up to 20 kt, increasing to 20 to 25 kt with gusts up to 30 kt after midnight. Seas 2 to 4 ft. Wave detail: S 3 ft at 5 seconds and SE 1 foot at 10 seconds.
Mon
SE winds 25 to 30 kt, becoming S 30 to 35 kt in the afternoon. Seas 5 to 7 ft. Wave detail: S 5 ft at 9 seconds and S 4 ft at 5 seconds. Rain.
Mon Night
S winds 30 to 40 kt with gusts up to 45 kt. Seas 5 to 8 ft, building to 7 to 9 ft after midnight. Rain.
Tue
SW winds 25 to 35 kt. Seas 6 to 8 ft. Rain likely with a chance of snow.
Tue Night
W winds 25 to 30 kt. Seas 5 to 7 ft.
Wed And Wed Night
W winds 15 to 20 kt, becoming S 5 to 10 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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