News Headlines
Last Update: 705 PM EDT Fri Jul 18 2025
For More Weather Information:
20NM W Hyannis MA
Marine Zone Forecast
Tonight
S winds 5 to 10 kt. Seas around 2 ft. Wave detail: SW 2 ft at 7 seconds and N 1 foot at 4 seconds.
Sat
S winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas around 2 ft. Wave detail: SW 2 ft at 5 seconds and N 1 foot at 4 seconds.
Sat Night
S winds around 10 kt. Gusts up to 20 kt after midnight. Seas around 2 ft. Wave detail: SW 2 ft at 4 seconds and SE 1 foot at 9 seconds. A chance of showers after midnight.
Sun
S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave detail: S 2 ft at 4 seconds and SE 1 foot at 9 seconds. A chance of showers and tstms.
Sun Night
W winds 10 to 15 kt with gusts up to 20 kt, becoming NW after midnight. Seas around 2 ft. Wave detail: SW 2 ft at 4 seconds and SE 1 foot at 9 seconds. A chance of showers and tstms in the evening.
Mon And Mon Night
N winds 10 to 15 kt. Seas around 2 ft. Wave detail: N 1 foot at 4 seconds and SW 1 foot at 5 seconds.
Tue Through Wed Night
SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 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.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaRADAR & SATELLITE IMAGES
