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 PM EDT Sun Mar 30 2025




Tonight: E winds 5 to 10 kt. Waves around 2 ft. Areas of fog this evening, then patchy fog after midnight. A slight chance of rain after midnight. Vsby 1 nm or less.

Mon: S winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 30 kt. Waves 2 to 3 ft. Patchy fog in the morning. A chance of rain in the afternoon. Vsby 1 to 3 nm in the morning.

Mon Night: SW winds 10 to 15 kt, becoming W after midnight. Gusts up to 25 kt. Waves 2 to 3 ft. Patchy fog. Rain. Vsby 1 to 3 nm.

Tue: NW winds 15 to 20 kt with gusts up to 25 kt. Waves around 2 ft. A chance of rain in the morning.

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

Wed: N winds 5 to 10 kt, becoming E in the afternoon. Waves 1 foot or less, then around 2 ft in the afternoon.

Wed Night: SE winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Waves 2 to 3 ft. A chance of rain in the evening, then rain likely after midnight.

Thu: S winds 15 to 20 kt with gusts up to 25 kt. Waves around 2 ft. Patchy fog. Rain likely. Vsby 1 to 3 nm.

Thu Night And Fri: SW winds 15 to 20 kt with gusts up to 25 kt, becoming W around 10 kt. Waves around 2 ft. A chance of rain.

Fri Night: N winds around 10 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