Coastal Waters Forecast for Massachusetts Bay and Ipswich Bay (ANZ251) (Text-Only)
NWS Forecast for: Massachusetts Bay and Ipswich Bay (ANZ251)
Issued by: National Weather Service Norton, MA
Last Update: 1003 AM EDT Wed Sep 23 2026
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This Afternoon: NE winds 20 to 25 kt. Seas 3 to 5 ft. Wave detail: E 5 ft at 7 seconds.

Tonight: NE winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. Wave detail: E 6 ft at 9 seconds and N 1 foot at 4 seconds.

Thu: NE winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 7 ft. Wave detail: E 7 ft at 10 seconds.

Thu Night: NE winds 15 to 20 kt, increasing to 20 to 25 kt after midnight. Gusts up to 35 kt. Seas 5 to 7 ft. Wave detail: E 7 ft at 10 seconds and NE 6 ft at 9 seconds.

Fri: NE winds 25 to 30 kt with gusts up to 45 kt. Seas 7 to 10 ft. Wave detail: NE 10 ft at 9 seconds and E 10 ft at 11 seconds. A chance of showers in the afternoon.

Fri Night: NE winds 25 to 35 kt, becoming 30 to 35 kt after midnight. Gusts up to 45 kt. Seas 7 to 10 ft. Wave detail: E 10 ft at 11 seconds and NE 9 ft at 10 seconds. A chance of showers in the evening, then showers likely after midnight.

Sat: N winds 30 to 35 kt with gusts up to 45 kt. Seas 8 to 11 ft. Showers likely.

Sat Night: N winds around 30 kt with gusts up to 45 kt. Seas 8 to 11 ft. Showers likely with a chance of tstms.

Sun: NE winds 25 to 30 kt with gusts up to 40 kt. Seas 7 to 10 ft. Showers likely.

Sun Night: NE winds 25 to 30 kt with gusts up to 35 kt. Seas 6 to 9 ft. Showers likely.

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.







Zone Forecast: Massachusetts Bay and Ipswich Bay (ANZ251)

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