Coastal Waters Forecast for Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm (ANZ254) (Text-Only)
NWS Forecast for: Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm (ANZ254)
Issued by: National Weather Service Norton, MA
Last Update: 705 PM EST Tue Jan 20 2026




Tonight: W winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. Wave detail: NW 5 ft at 6 seconds and SE 2 ft at 9 seconds. A chance of light freezing spray.

Wed: W winds 10 to 15 kt, becoming SW 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. Wave detail: SW 4 ft at 5 seconds and SE 2 ft at 10 seconds.

Wed Night: SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Wave detail: S 5 ft at 5 seconds and SE 2 ft at 10 seconds. A chance of rain after midnight.

Thu: SW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. Wave detail: SW 5 ft at 7 seconds and SE 2 ft at 11 seconds.

Thu Night And Fri: W winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. Wave detail: W 5 ft at 6 seconds and SE 2 ft at 11 seconds.

Fri Night: NW winds 25 to 30 kt. Seas 5 to 7 ft. Wave detail: N 7 ft at 6 seconds and SE 2 ft at 11 seconds. A chance of freezing spray. A chance of snow after midnight.

Sat: NW winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 7 ft. A chance of freezing spray.

Sat Night: NW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of light freezing spray. A chance of snow.

Sun: NE winds 15 to 20 kt. Seas 3 to 4 ft. A chance of snow. Vsby 1 nm or less.

Sun Night: NE winds 15 to 20 kt. Seas 3 to 5 ft. A chance of light freezing spray. A chance of snow. Vsby 1 nm or less.

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: Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm (ANZ254)

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