Hazardous Weather Conditions
Last Update: 105 PM EDT Sun Mar 29 2026
For More Weather Information:
8NM S Hyannis MA
Marine Zone Forecast
...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY EVENING...
This Afternoon
SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave detail: SW 3 ft at 4 seconds and NE 1 foot at 5 seconds.
Tonight
SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave detail: SW 3 ft at 5 seconds and NE 1 foot at 5 seconds.
Mon
SW winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft. Wave detail: SW 4 ft at 5 seconds and E 1 foot at 8 seconds.
Mon Night
SW winds 20 to 25 kt with gusts up to 30 kt, diminishing to 15 to 20 kt after midnight. Seas 3 to 5 ft. Wave detail: SW 4 ft at 4 seconds and SW 3 ft at 8 seconds.
Tue
SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave detail: SW 3 ft at 4 seconds and SW 3 ft at 8 seconds.
Tue Night
SW winds 25 to 30 kt with gusts up to 35 kt. Seas 5 to 7 ft. Wave detail: S 5 ft at 8 seconds and SW 4 ft at 4 seconds.
Wed
SW winds 25 to 30 kt with gusts up to 35 kt. Seas 5 to 7 ft.
Wed Night
NW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Rain likely.
Thu
NE winds 15 to 20 kt. Seas 2 to 4 ft. Rain likely.
Thu Night
NE winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. A chance of rain.
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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