Coastal Waters Forecast for Cape Cod Bay (ANZ231) (Text-Only)
NWS Forecast for: Cape Cod Bay (ANZ231)
Issued by: National Weather Service Norton, MA
Last Update: 1003 AM EDT Wed Aug 26 2026


This Afternoon: NW winds around 5 kt, becoming E. Seas 1 foot or less, then around 2 ft. Wave detail: W 1 foot at 2 seconds and E 1 foot at 8 seconds, becoming W 1 foot at 3 seconds and E 1 foot at 12 seconds.

Tonight: S winds 5 to 10 kt. Seas around 2 ft. Wave detail: S 1 foot at 2 seconds and E 1 foot at 10 seconds.

Thu: S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave detail: SW 1 foot at 2 seconds and E 1 foot at 6 seconds.

Thu Night: S winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas around 2 ft. Wave detail: S 1 foot at 3 seconds and E 1 foot at 11 seconds. A chance of showers after midnight.

Fri: S winds 5 to 10 kt. Seas around 2 ft. Wave detail: S 1 foot at 2 seconds and E 1 foot at 11 seconds. A chance of showers.

Fri Night: SW winds around 5 kt, becoming NW after midnight. Seas around 2 ft. Wave detail: SW 1 foot at 2 seconds and E 1 foot at 11 seconds.

Sat Through Sun Night: SW winds 5 to 10 kt. Seas 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: Cape Cod Bay (ANZ231)

Visit your local NWS office at: https://www.weather.gov/boston