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: 1004 PM EST Fri Jan 23 2026
Print




Overnight: NW winds 25 to 30 kt with gusts up to 35 kt. Seas 5 to 8 ft. Wave detail: NW 8 ft at 7 seconds and SE 2 ft at 11 seconds. Heavy freezing spray.

Sat: NW winds 25 to 30 kt, diminishing to 15 to 20 kt in the afternoon. Seas 5 to 8 ft. Wave detail: NW 8 ft at 7 seconds and E 1 foot at 11 seconds. Heavy freezing spray.

Sat Night: NW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave detail: NW 5 ft at 7 seconds and E 2 ft at 11 seconds. Light freezing spray in the evening.

Sun: N winds 5 to 10 kt, becoming E 15 to 20 kt with gusts up to 30 kt in the afternoon. Seas 2 to 4 ft. Wave detail: NW 3 ft at 5 seconds and NE 3 ft at 8 seconds. A chance of snow in the morning, then snow in the afternoon. Areas of blowing snow in the afternoon with vsby 1 nm or less.

Sun Night: E winds 25 to 30 kt with gusts up to 40 kt. Seas 5 to 7 ft, building to 6 to 9 ft after midnight. Wave detail: E 7 ft at 6 seconds and N 1 foot at 6 seconds, becoming E 9 ft at 7 seconds. Snow. Rain and sleet after midnight.

Mon: NE winds 25 to 30 kt, becoming N 20 to 25 kt in the afternoon. Seas 8 to 11 ft. Wave detail: E 11 ft at 9 seconds and N 2 ft at 4 seconds. Rain. Sleet in the morning, then snow likely in the afternoon.

Mon Night: NW winds 25 to 30 kt with gusts up to 40 kt. Seas 9 to 13 ft. A chance of light freezing spray. Snow likely in the evening. A chance of snow after midnight.

Tue: W winds 25 to 30 kt with gusts up to 35 kt. Seas 8 to 11 ft. A chance of light freezing spray. A chance of snow.

Tue Night: W winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 7 ft, except 8 to 11 ft S and E of nantucket. A chance of light freezing spray.

Wed: W winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. A chance of light freezing spray.

Wed Night: W winds 15 to 20 kt. Seas 3 to 5 ft. A chance of light freezing spray.

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