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: 404 AM EDT Mon Aug 24 2026


Today: SW winds 5 to 10 kt. Seas 2 to 4 ft. Wave detail: SE 3 ft at 7 seconds and SW 1 foot at 3 seconds.

Tonight: S winds 5 to 10 kt. Seas 2 to 3 ft. Wave detail: SE 2 ft at 6 seconds and W 1 foot at 3 seconds.

Tue: SW 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: W 2 ft at 3 seconds and S 2 ft at 6 seconds.

Tue Night: SW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave detail: SW 2 ft at 5 seconds and SE 2 ft at 6 seconds.

Wed And Wed Night: SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave detail: SE 3 ft at 10 seconds and S 2 ft at 6 seconds.

Thu: S winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave detail: SE 3 ft at 8 seconds and SW 2 ft at 4 seconds.

Thu Night And Fri: S winds around 10 kt. Seas 2 to 4 ft. A chance of showers.

Fri Night: SW winds 5 to 10 kt. Seas 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: Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM (ANZ254)

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