Hazardous Weather Conditions
Last Update: 1004 AM EDT Sat May 17 2025
For More Weather Information:
20NM W Hyannis MA
Marine Zone Forecast
...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY MORNING...
This Afternoon
S winds 10 to 15 kt. Seas 1 foot or less, then around 2 ft. Wave detail: SE 1 foot at 3 seconds and S 1 foot at 7 seconds, becoming S 2 ft at 7 seconds and SE 1 foot at 4 seconds. Patchy fog. Vsby 1 nm or less.
Tonight
SW winds 5 to 10 kt. Seas around 2 ft. Wave detail: S 2 ft at 7 seconds and S 1 foot at 4 seconds. Patchy fog. Vsby 1 nm or less, increasing to 1 to 3 nm after midnight.
Sun
W winds 10 to 15 kt, becoming SW 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. Wave detail: S 3 ft at 5 seconds.
Sun Night
W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave detail: SW 3 ft at 7 seconds and W 2 ft at 4 seconds.
Mon And Mon Night
NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave detail: NW 2 ft at 3 seconds and SW 2 ft at 7 seconds.
Tue Through Wed
NE winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave detail: N 2 ft at 3 seconds and S 1 foot at 8 seconds.
Wed Night
E winds 15 to 20 kt. Seas 3 to 5 ft. Showers likely.
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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