NWS Forecast for: Boston Harbor (ANZ230) Issued by: National Weather Service Norton, MA Last Update: 104 AM EDT Sun Oct 18 2026

Rest Of Tonight: N winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. Sun: N winds 5 to 10 kt, becoming E in the afternoon. Waves 1 foot or less. Sun Night: S winds around 5 kt. Waves 1 foot or less. Mon: NE winds 5 to 10 kt. Waves 1 foot or less. Mon Night Through Tue Night: NE winds 20 to 25 kt with gusts up to 30 kt. Waves 2 to 3 ft. Wed Through Thu Night: N winds 20 to 25 kt with gusts up to 30 kt. Waves 2 to 3 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