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: 704 AM EDT Tue Sep 23 2025


Today: SW winds 5 to 10 kt. Seas 2 to 4 ft. Wave detail: E 3 ft at 10 seconds and SW 1 foot at 3 seconds. A slight chance of showers with isolated tstms this afternoon.

Tonight: W winds 5 to 10 kt. Seas 2 to 3 ft. Wave detail: E 3 ft at 10 seconds and SW 1 foot at 3 seconds. Patchy fog. Showers likely. Vsby 1 to 3 nm after midnight.

Wed: NE winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 4 ft. Wave detail: SE 3 ft at 13 seconds and E 2 ft at 9 seconds. Showers likely, mainly in the morning. Patchy fog in the morning. Vsby 1 to 3 nm.

Wed Night: E winds 5 to 10 kt. Seas 2 to 4 ft. Wave detail: NE 3 ft at 5 seconds and SE 2 ft at 12 seconds. A chance of showers in the evening, then showers likely after midnight.

Thu: SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave detail: E 3 ft at 11 seconds and E 2 ft at 5 seconds. Showers likely. Vsby 1 to 3 nm.

Thu Night: S winds 10 to 15 kt. Seas 2 to 3 ft. Wave detail: E 3 ft at 10 seconds and S 2 ft at 3 seconds. Showers likely. Vsby 1 to 3 nm.

Fri: SW winds around 10 kt. Seas 2 to 3 ft. Showers likely.

Fri Night Through Sat Night: SW winds 5 to 10 kt. Seas around 2 ft. A chance of showers.

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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