Coastal Waters Forecast for Boston Harbor (ANZ230) (Text-Only)
NWS Forecast for: Boston Harbor (ANZ230)
Issued by: National Weather Service Norton, MA
Last Update: 1004 AM EST Thu Jan 1 2026




This Afternoon: W winds 15 to 20 kt, increasing to 20 to 25 kt. Gusts up to 30 kt. Waves around 2 ft. Numerous snow showers.

Tonight: W winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Gusts up to 30 kt. Waves around 2 ft.

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

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

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

Sun Through Mon: NW winds 10 to 15 kt. Waves around 2 ft.

Mon Night: W winds 5 to 10 kt. Waves 1 foot or less. A chance of snow.

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