Coastal Waters Forecast for Boston Harbor (ANZ230) (Text-Only)
NWS Forecast for: Boston Harbor (ANZ230)
Issued by: National Weather Service Norton, MA
Last Update: 404 PM EST Fri Nov 7 2025




Tonight: SW winds 15 to 20 kt with gusts up to 25 kt. Waves around 2 ft. Patchy fog after midnight. Showers likely after midnight.

Sat: W winds around 10 kt. Waves 1 foot or less. Patchy fog in the morning.

Sat Night: NW winds 5 to 10 kt, becoming N after midnight. Waves 1 foot or less.

Sun: E winds 5 to 10 kt, becoming SE 10 to 15 kt with gusts up to 20 kt in the afternoon. Waves 1 foot or less, then around 2 ft in the afternoon. A chance of rain in the afternoon.

Sun Night: SE winds 15 to 20 kt, becoming S 10 to 15 kt after midnight. Waves around 2 ft. Rain.

Mon: W winds 10 to 15 kt. Waves around 2 ft. Rain likely, mainly in the morning.

Mon Night: W winds 15 to 20 kt. Waves around 2 ft. A chance of rain in the evening.

Tue Through Wed: SW winds 20 to 25 kt with gusts up to 30 kt. Waves around 2 ft.

Wed Night: SW winds 15 to 20 kt. Waves around 2 ft. A chance of rain.

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