Hazardous Weather Conditions
Last Update: 404 AM EDT Thu Apr 2 2026
For More Weather Information:
20NM W Hyannis MA
Marine Zone Forecast
...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...
Today
NE winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave detail: NE 3 ft at 4 seconds and SW 2 ft at 7 seconds. Patchy fog. Rain this morning. A slight chance of rain this afternoon. Vsby 1 to 3 nm.
Tonight
NE winds 15 to 20 kt, becoming E 10 to 15 kt after midnight. Seas around 2 ft. Wave detail: NE 2 ft at 4 seconds and S 1 foot at 7 seconds. Patchy fog. Vsby 1 to 3 nm.
Fri
SE winds 5 to 10 kt, becoming SW 15 to 20 kt with gusts up to 25 kt in the afternoon. Seas around 2 ft. Wave detail: SW 2 ft at 4 seconds and E 1 foot at 4 seconds. Patchy fog. Vsby 1 to 3 nm in the morning.
Fri Night
SW winds 20 to 25 kt. Seas 2 to 4 ft. Wave detail: SW 4 ft at 6 seconds and E 1 foot at 7 seconds. Patchy fog in the evening with vsby 1 to 3 nm.
Sat
NW winds 10 to 15 kt, becoming NE with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave detail: SW 3 ft at 6 seconds and NE 2 ft at 5 seconds.
Sat Night
E winds 10 to 15 kt, becoming SE 15 to 20 kt after midnight. Seas around 2 ft. Wave detail: E 2 ft at 3 seconds and SW 2 ft at 7 seconds.
Sun And Sun Night
SW winds 25 to 30 kt, becoming W 20 to 25 kt. Seas 3 to 5 ft. Showers.
Mon And Mon Night
W winds 10 to 15 kt with gusts up to 20 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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