Coastal Waters Forecast for Boston Harbor (ANZ230) (Text-Only)
NWS Forecast for: Boston Harbor (ANZ230)
Issued by: National Weather Service Norton, MA
Last Update: 402 AM EDT Wed Apr 8 2026
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Today: N winds 10 to 15 kt with gusts up to 25 kt, becoming E 5 to 10 kt this afternoon. Waves around 2 ft this morning, then 1 foot or less.

Tonight: SE winds 5 to 10 kt, becoming SW after midnight. Waves 1 foot or less.

Thu: S 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 2 to 3 ft in the afternoon.

Thu Night: S winds 10 to 15 kt with gusts up to 20 kt, becoming SW 5 to 10 kt after midnight. Waves around 2 ft in the evening, then 1 foot or less.

Fri: SW winds 5 to 10 kt, becoming S 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.

Fri Night: SW winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. A chance of showers after midnight.

Sat Through Sun 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)

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