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: 1003 PM EDT Sun Aug 16 2026




Overnight: S winds 10 to 15 kt. Gusts up to 20 kt. Seas 2 to 3 ft. Wave detail: S 2 ft at 4 seconds and NE 1 foot at 3 seconds. A slight chance of showers.

Mon: S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Wave detail: SE 3 ft at 4 seconds and SE 1 foot at 9 seconds. A chance of showers. Patchy fog in the afternoon with vsby 1 to 3 nm.

Mon Night: SE winds 10 to 15 kt with gusts up to 20 kt, becoming E 5 to 10 kt after midnight. Seas 3 to 5 ft. Wave detail: SE 3 ft at 5 seconds and SE 2 ft at 10 seconds. Patchy fog. A chance of showers. Vsby 1 to 3 nm.

Tue: N winds around 10 kt. Seas 3 to 4 ft. Wave detail: SE 4 ft at 8 seconds and S 3 ft at 7 seconds. Patchy fog in the morning with vsby 1 to 3 nm.

Tue Night: NW winds 5 to 10 kt. Seas 2 to 4 ft. Wave detail: SE 4 ft at 8 seconds and NE 2 ft at 4 seconds.

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

Thu: W winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers.

Thu Night: W winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers.

Fri And Fri Night: NE winds 5 to 10 kt, becoming E. 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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