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 EST Sun Dec 28 2025
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Today: W winds 5 to 10 kt, becoming SW this afternoon. Waves 1 foot or less.

Tonight: SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 20 kt after midnight. Waves 1 foot or less, then around 2 ft after midnight. A chance of rain and freezing rain in the evening, then rain after midnight with vsby 1 to 3 nm.

Mon: S winds 10 to 15 kt, becoming SW 15 to 20 kt in the afternoon. Waves around 2 ft. Rain. Vsby 1 to 3 nm.

Mon Night: W winds 20 to 25 kt, increasing to 25 to 30 kt after midnight. Waves around 2 ft. A chance of rain in the evening.

Tue And Tue Night: W winds 25 to 30 kt with gusts up to 35 kt. Waves around 2 ft.

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

Thu And Thu Night: W winds 15 to 20 kt, diminishing to 10 to 15 kt. Waves around 2 ft. 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)

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