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Penobscot Bay Marine Forecast

Updated 2:26am EDT Aug 27, 2026
Zone Map
Today
S winds around 5 kt, increasing to 5 to 10 kt late this morning and afternoon. Seas around 2 ft. Patchy fog this morning with vsby 1 to 3 NM.
Tonight
S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds. A chance of showers after midnight.
Fri
S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 5 seconds. A chance of showers.
Fri Night
SW winds around 5 kt, becoming NW after midnight. Seas around 2 ft.
Sat
N winds 5 to 10 kt, becoming SW in the afternoon. Seas around 2 ft.
Sat Night
SW winds 5 to 10 kt, diminishing to around 5 kt after midnight. Seas around 2 ft.
Sun
SW winds around 5 kt, increasing to 5 to 10 kt in the afternoon. Seas around 2 ft.
Sun Night
SW winds 5 to 10 kt, becoming W after midnight. Seas around 2 ft. A chance of showers after midnight.
Mon
NW winds around 5 kt, becoming W in the afternoon. Seas around 2 ft. A chance of showers in the morning.
Mon Night
W winds around 5 kt, becoming N after midnight. Seas around 2 ft in the evening, then 1 foot or less.