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 PM EDT Wed May 6 2026




Overnight: S winds 15 to 20 kt, becoming W 10 to 15 kt. Seas 2 to 4 ft. Wave detail: S 4 ft at 5 seconds and E 1 foot at 9 seconds. Patchy fog. A slight chance of rain, then a chance of rain with vsby 1 to 3 nm.

Thu: W winds 5 to 10 kt. Seas around 2 ft. Wave detail: W 2 ft at 4 seconds and E 1 foot at 7 seconds. A chance of rain in the morning.

Thu Night: W winds 5 to 10 kt. Seas around 2 ft. Wave detail: NW 2 ft at 3 seconds and E 1 foot at 8 seconds.

Fri: W winds around 10 kt. Seas around 2 ft. Wave detail: W 2 ft at 3 seconds and E 2 ft at 9 seconds.

Fri Night: SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave detail: E 2 ft at 10 seconds and W 1 foot at 3 seconds.

Sat And Sat Night: SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave detail: S 3 ft at 4 seconds and E 2 ft at 9 seconds. A chance of showers in the morning, then showers through the night. A chance of showers after midnight.

Sun: S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft.

Sun Night Through Mon Night: NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Showers.

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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