Coastal Waters Forecast for Boston Harbor (ANZ230) (Text-Only)
NWS Forecast for: Boston Harbor (ANZ230)
Issued by: National Weather Service Norton, MA
Last Update: 405 AM EDT Wed Mar 25 2026
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Today: W winds 10 to 15 kt, becoming S 5 to 10 kt this afternoon. Waves around 2 ft this morning, then 1 foot or less.

Tonight: S winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft.

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

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

Fri: NW winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. Rain likely in the morning.

Fri Night: N winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft.

Sat Through Sun Night: SW winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft.

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)

Visit your local NWS office at: https://www.weather.gov/boston