Hazardous Weather Conditions
Last Update: 403 AM EDT Sat Sep 26 2026
For More Weather Information:
20NM W Hyannis MA
Marine Zone Forecast
...STORM WARNING IN EFFECT THROUGH THIS EVENING...
Today
NE winds 25 to 30 kt with gusts up to 55 kt. Seas 4 to 6 ft. Wave detail: NE 5 ft at 6 seconds. Patchy fog. Showers. A slight chance of tstms this morning, then a chance of tstms this afternoon. Vsby 1 to 3 nm.
Tonight
NE winds 25 to 30 kt, diminishing to 20 to 25 kt after midnight. Gusts up to 45 kt. Seas 4 to 6 ft. Wave detail: NE 4 ft at 4 seconds and SW 4 ft at 5 seconds. Patchy fog. Showers. Vsby 1 to 3 nm.
Sun
NE winds 15 to 20 kt with gusts up to 45 kt. Seas 4 to 6 ft. Wave detail: NE 4 ft at 4 seconds and SE 3 ft at 9 seconds. Patchy fog. Showers likely. A chance of tstms in the afternoon. Vsby 1 to 3 nm.
Sun Night
NE winds 10 to 15 kt. Gusts up to 30 kt, decreasing to 20 kt after midnight. Seas 3 to 5 ft, subsiding to 2 to 3 ft after midnight. Wave detail: SE 3 ft at 7 seconds and NE 2 ft at 4 seconds, becoming E 3 ft at 6 seconds. Showers. A chance of tstms in the evening. Patchy fog in the evening with vsby 1 to 3 nm.
Mon
E winds around 10 kt. Seas around 2 ft. Wave detail: NE 2 ft at 6 seconds. Showers, mainly in the morning.
Mon Night
SE winds 5 to 10 kt, becoming SW after midnight. Seas 2 to 3 ft. Wave detail: SE 3 ft at 7 seconds and E 1 foot at 17 seconds. A chance of showers in the evening.
Tue Through Wed Night
SW winds 5 to 10 kt. Seas around 2 ft.
winds and seas higher in and near tstms.
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.
winds and seas higher in and near tstms.
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.
Winds and seas higher in and near tstms. 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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