Coastal Waters Forecast for Boston Harbor (ANZ230) (Text-Only)
NWS Forecast for: Boston Harbor (ANZ230)
Issued by: National Weather Service Norton, MA
Last Update: 703 PM EDT Mon Sep 15 2025
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Tonight: E winds 5 to 10 kt, becoming N after midnight. Waves 1 foot or less. Patchy fog after midnight with vsby 1 to 3 nm.

Tue: NE winds 5 to 10 kt. Waves 1 foot or less. Patchy fog in the morning with vsby 1 nm or less.

Tue Night: E winds 5 to 10 kt. Waves 1 foot or less.

Wed: E winds 5 to 10 kt. Waves 1 foot or less.

Wed Night And Thu: SE winds 5 to 10 kt. Waves 1 foot or less. A chance of showers.

Thu Night: S winds 5 to 10 kt, becoming W after midnight. Waves 1 foot or less.

Fri Through Sat Night: S 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