Last Update: 104 AM EDT Sat Apr 18 2026
For More Weather Information:
8NM S Hyannis MA
Marine Zone Forecast
Rest Of Tonight
NE winds 10 to 15 kt. Seas around 2 ft. Wave detail: N 2 ft at 4 seconds and S 1 foot at 7 seconds. Areas of fog. Vsby 1 nm or less.
Sat
NE winds 10 to 15 kt. Seas around 2 ft. Wave detail: NE 2 ft at 4 seconds and S 1 foot at 7 seconds. Areas of fog. Vsby 1 nm or less, increasing to 1 to 3 nm in the afternoon.
Sat Night
E winds 5 to 10 kt, becoming S after midnight. Seas around 2 ft. Wave detail: NE 2 ft at 4 seconds and S 1 foot at 7 seconds. Areas of fog in the evening. Patchy fog after midnight. Vsby 1 to 3 nm.
Sun
S winds 10 to 15 kt, becoming SW in the afternoon. Gusts up to 20 kt. Seas 2 to 3 ft. Wave detail: W 2 ft at 3 seconds and SE 2 ft at 7 seconds. Patchy fog. Rain and snow likely in the afternoon. Vsby 1 to 3 nm in the morning.
Sun Night
NW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 2 to 3 ft. Wave detail: W 2 ft at 3 seconds and S 2 ft at 6 seconds. Patchy fog in the evening. Rain and snow likely in the evening.
Mon And Mon Night
N winds 10 to 15 kt. Seas 2 to 3 ft. Wave detail: NW 2 ft at 3 seconds and NE 2 ft at 6 seconds.
Tue Through Wed Night
NW winds 15 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.
Additional Forecasts and Information
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