Marine Forecast — Wednesday, October 21

Today’s marine forecast for the coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary, from the National Weather Service.

SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON
GALE WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH FRIDAY AFTERNOON

TODAY: NE winds 20 to 25 kt with gusts up to 30 kt. Seas 7 to 9 ft. Wave Detail: E 9 ft at 9 seconds and NW 2 ft at 5 seconds.

TONIGHT: NE winds 20 to 25 kt with gusts up to 30 kt. Seas 7 to 9 ft. Wave Detail: E 9 ft at 10 seconds and NW 3 ft at 5 seconds. A chance of showers.

THU: N winds 20 to 25 kt with gusts up to 30 kt. Seas 6 to 9 ft. Wave Detail: E 9 ft at 9 seconds and N 5 ft at 6 seconds.

THU NIGHT: N winds 25 to 30 kt with gusts up to 35 kt. Seas 6 to 9 ft. Wave Detail: N 9 ft at 7 seconds.

FRI: N winds 20 to 25 kt with gusts up to 30 kt. Seas 6 to 9 ft. Wave Detail: NE 9 ft at 9 seconds and N 7 ft at 7 seconds.

FRI NIGHT: N winds 10 to 15 kt with gusts up to 20 kt. Seas 5 to 7 ft. Wave Detail: NE 7 ft at 9 seconds and NW 2 ft at 6 seconds.

SAT: W winds 5 to 10 kt. Seas 3 to 5 ft.

SAT NIGHT THROUGH SUN NIGHT: SW winds 5 to 10 kt. Seas 2 to 4 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.

Source: National Weather Service, Boston/Norton.

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