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Harborside, ME Marine Weather Forecast

Station 44033 - Buoy F01 - Penobscot Bay

August 18, 2026 6:00 am EDT
Location: 44.055N 68.996W
Water Temperature: 57.7°F (14.3°C)


Today - 69°F
Aug 18, 2026
0 to 5 mph NE
Partly Sunny
Partly sunny, with a high near 69. Northeast wind 0 to 5 mph.
Tonight - 59°F
Aug 18, 2026
0 mph
Mostly Cloudy
Mostly cloudy, with a low around 59. North wind around 0 mph.
Wednesday - 72°F
Aug 19, 2026
0 to 10 mph SW
Partly Sunny
Partly sunny, with a high near 72. Southwest wind 0 to 10 mph.
Wednesday Night - 61°F
Aug 19, 2026
0 to 10 mph W
Mostly Cloudy
Mostly cloudy, with a low around 61. West wind 0 to 10 mph.
Thursday - 72°F
Aug 20, 2026
0 to 5 mph W
Mostly Sunny
Mostly sunny, with a high near 72. West wind 0 to 5 mph.
Thursday Night - 60°F
Aug 20, 2026
0 to 5 mph W
Mostly Cloudy
Mostly cloudy, with a low around 60.
Friday - 72°F
Aug 21, 2026
5 mph E
Mostly Sunny
Mostly sunny, with a high near 72.
Friday Night - 59°F
Aug 21, 2026
0 to 5 mph W
Partly Cloudy
Partly cloudy, with a low around 59.
Saturday - 70°F
Aug 22, 2026
5 mph E
Slight Chance Rain Showers
A slight chance of rain showers after 11am. Mostly sunny, with a high near 70.
Saturday Night - 59°F
Aug 22, 2026
5 mph E
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a low around 59. Chance of precipitation is 50%.
Sunday - 71°F
Aug 23, 2026
5 to 10 mph E
Rain Showers Likely
Rain showers likely. Mostly cloudy, with a high near 71. Chance of precipitation is 60%.
Sunday Night - 60°F
Aug 23, 2026
5 mph SE
Rain Showers Likely
Rain showers likely. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.
Monday - 73°F
Aug 24, 2026
5 to 10 mph S
Chance Rain Showers
A chance of rain showers before 5pm. Partly sunny, with a high near 73. Chance of precipitation is 30%.
Monday Night - 59°F
Aug 24, 2026
5 to 10 mph SW
Partly Cloudy
Partly cloudy, with a low around 59.

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