Coastal Waters Forecast for Penobscot Bay (ANZ151) (Text-Only)
NWS Forecast for: Penobscot Bay (ANZ151)
Issued by: National Weather Service Gray/Portland, ME
Last Update: 501 PM EDT Thu May 21 2026


Tonight: W winds around 5 kt, becoming N after midnight. Seas around 2 ft. Wave detail: S 2 ft at 7 seconds.

Fri: NW winds around 5 kt, becoming SW in the afternoon. Seas around 2 ft. Wave detail: S 2 ft at 7 seconds.

Fri Night: SW winds 5 to 10 kt, becoming NW after midnight. Seas around 2 ft.

Sat: NE winds around 5 kt, becoming S in the afternoon. Seas 1 foot or less.

Sat Night: S winds around 5 kt in the evening, becoming light and variable. Seas 1 foot or less.

Sun: SE winds around 5 kt, increasing to 5 to 10 kt in the afternoon. Seas 1 foot or less.

Sun Night: SE winds 5 to 10 kt. Seas around 2 ft. Showers.

Mon: E winds 10 to 15 kt. Seas 2 to 4 ft. Showers.

Mon Night: N winds 5 to 10 kt, diminishing to around 5 kt after midnight. Seas 2 to 4 ft. A chance of showers in the evening.

Tue: NW winds around 5 kt, becoming SW in the afternoon. Seas 2 to 4 ft.

Tue Night: SW winds around 5 kt. Seas 2 to 3 ft.







Zone Forecast: Penobscot Bay (ANZ151)

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