Hazardous Weather Conditions
Last Update: 705 AM EDT Fri Mar 13 2026
For More Weather Information:
20NM W Hyannis MA
Marine Zone Forecast
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING... ...GALE WATCH IN EFFECT FROM SATURDAY MORNING THROUGH SATURDAY AFTERNOON...
Today
W winds 10 to 15 kt, becoming SW this afternoon. Gusts up to 25 kt. Seas 2 to 3 ft. Wave detail: SW 3 ft at 4 seconds and SW 2 ft at 8 seconds.
Tonight
S winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Gusts up to 30 kt. Seas 3 to 4 ft, building to 4 to 6 ft after midnight. Wave detail: S 3 ft at 4 seconds and S 2 ft at 9 seconds, becoming S 6 ft at 8 seconds and S 4 ft at 5 seconds. Scattered showers after midnight.
Sat
W winds 20 to 25 kt with gusts up to 40 kt. Seas 4 to 6 ft. Wave detail: SW 6 ft at 8 seconds and SW 4 ft at 5 seconds.
Sat Night
W winds 15 to 20 kt with gusts up to 30 kt, becoming NW 10 to 15 kt with gusts up 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 3 ft at 5 seconds, becoming SW 3 ft at 8 seconds and NW 2 ft at 4 seconds.
Sun
N winds 5 to 10 kt, becoming E 10 to 15 kt 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 15 to 20 kt, increasing to 25 to 30 kt after midnight. Seas 2 to 4 ft. Wave detail: S 4 ft at 5 seconds and SE 1 foot at 10 seconds. A chance of rain after midnight.
Mon
SE winds 30 to 35 kt with gusts up to 45 kt. Seas 5 to 7 ft. Rain.
Mon Night And Tue
S winds 35 to 45 kt with gusts up to 55 kt, becoming SW 30 to 40 kt with gusts up to 45 kt. Seas 5 to 8 ft. Rain.
Tue Night
W winds 25 to 30 kt. Seas 5 to 7 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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