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: 1004 PM EST Wed Dec 24 2025
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Overnight: NW winds 5 to 10 kt, becoming W 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. Wave detail: N 6 ft at 7 seconds.

Thu: SW winds 15 to 20 kt, becoming NW 20 to 25 kt in the afternoon. Gusts up to 30 kt. Seas 3 to 5 ft. Wave detail: E 5 ft at 9 seconds and W 3 ft at 4 seconds.

Thu Night: NW winds 25 to 30 kt, diminishing to 20 to 25 kt after midnight. Seas 4 to 6 ft. Wave detail: N 6 ft at 6 seconds and E 4 ft at 10 seconds. Light freezing spray.

Fri: NW winds 20 to 25 kt with gusts up to 30 kt, becoming N 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 4 to 6 ft. Wave detail: N 5 ft at 6 seconds and E 2 ft at 10 seconds. Light freezing spray in the morning.

Fri Night: N winds 10 to 15 kt. Seas 2 to 4 ft. Wave detail: NE 4 ft at 7 seconds and E 2 ft at 10 seconds. A chance of snow after midnight.

Sat And Sat Night: NW winds 10 to 15 kt. Seas 3 to 4 ft. Wave detail: NE 3 ft at 7 seconds and E 2 ft at 10 seconds.

Sun: W winds 5 to 10 kt. Seas 2 to 4 ft.

Sun Night: SW winds 15 to 20 kt. Seas 2 to 4 ft. Rain.

Mon: SW winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft. Rain.

Mon Night: W winds 25 to 30 kt with gusts up to 35 kt. Seas 3 to 5 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.







Zone Forecast: Massachusetts Bay and Ipswich Bay (ANZ251)

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