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: 705 AM EDT Thu Jun 18 2026




Today: S winds 15 to 20 kt with gusts up to 25 kt, increasing to 20 to 25 kt with gusts up to 35 kt this afternoon. Seas 2 to 3 ft. Wave detail: S 3 ft at 4 seconds and SW 2 ft at 7 seconds. A chance of showers with a slight chance of tstms this afternoon.

Tonight: SW winds 20 to 25 kt with gusts up to 35 kt, diminishing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas 3 to 5 ft, subsiding to 2 ft after midnight. Wave detail: S 3 ft at 4 seconds and SE 3 ft at 7 seconds, becoming SW 2 ft at 4 seconds and E 2 ft at 8 seconds. Patchy fog. Vsby 1 to 3 nm in the evening.

Fri: SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave detail: SW 2 ft at 3 seconds and E 2 ft at 8 seconds.

Fri Night: W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave detail: W 2 ft at 3 seconds and E 1 foot at 7 seconds.

Sat And Sat Night: W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave detail: W 2 ft at 4 seconds and E 2 ft at 8 seconds.

Sun And Sun Night: W winds 5 to 10 kt, becoming SW. Seas 1 foot or less. Wave detail: NW 1 foot at 4 seconds and NE 1 foot at 8 seconds.

Mon And Mon Night: S winds 5 to 10 kt, becoming SW 10 to 15 kt. Gusts up to 20 kt. Seas 2 to 3 ft. Showers likely.

winds and seas higher in and near tstms.

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