Coastal Waters Forecast for Boston Harbor (ANZ230) (Text-Only)
NWS Forecast for: Boston Harbor (ANZ230)
Issued by: National Weather Service Norton, MA
Last Update: 704 AM EDT Wed Apr 1 2026
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Today: SW winds 15 to 20 kt, becoming N 10 to 15 kt this afternoon. Waves 1 foot or less, then around 2 ft this afternoon. A chance of showers. Patchy fog this morning. Vsby 1 to 3 nm.

Tonight: NE winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Waves around 2 ft. Patchy fog. A chance of showers in the evening, then showers likely after midnight. Vsby 1 to 3 nm in the evening.

Thu: NE winds 15 to 20 kt. Waves 2 to 3 ft. A chance of showers. Patchy fog in the morning.

Thu Night: E winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Waves 2 to 3 ft. A chance of showers.

Fri And Fri Night: SW winds 15 to 20 kt with gusts up to 25 kt. Waves around 2 ft.

Sat: NE winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft.

Sat Night: E winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. A chance of showers.

Sun And Sun Night: S winds 15 to 20 kt, becoming W. Gusts up to 25 kt. Waves 2 to 4 ft. Showers likely.

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: Boston Harbor (ANZ230)

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