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Cliff Island, ME Marine Weather Forecast

Station CASM1 - 8418150 - Portland, ME

April 1, 2026 6:30 am EDT
Location: 43.656N 70.246W
Wind Direction: S (180°)
Wind Speed: 1.9 knots
Wind Gust: 2.9 knots
Atmospheric Pressure: 29.80 in (1009.2 mb)
Air Temperature: 38.7°F (3.7°C)
Water Temperature: 39.4°F (4.1°C)


Today - 48°F
Apr 01, 2026
5 to 10 mph N
Patchy Fog then Partly Sunny
Patchy fog and a slight chance of rain showers before noon. Partly sunny, with a high near 48. North wind 5 to 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Tonight - 34°F
Apr 01, 2026
10 to 15 mph NE
Mostly Cloudy then Slight Chance Snow Showers
A slight chance of snow showers after 5am. Mostly cloudy, with a low around 34. Northeast wind 10 to 15 mph. Chance of precipitation is 20%.
Thursday - 38°F
Apr 02, 2026
15 mph E
Slight Chance Snow Showers then Chance Sleet
A slight chance of snow showers before 10am, then a chance of sleet. Mostly cloudy, with a high near 38. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Thursday Night - 36°F
Apr 02, 2026
10 to 15 mph E
Chance Sleet then Light Rain Likely
A chance of sleet before 7pm, then a chance of rain showers between 7pm and 8pm, then rain likely. Cloudy, with a low around 36. East wind 10 to 15 mph. Chance of precipitation is 60%.
Friday - 50°F
Apr 03, 2026
10 to 15 mph S
Chance Light Rain then Chance Rain Showers
A chance of rain before 9am, then a chance of rain showers between 9am and 1pm. Cloudy, with a high near 50. South wind 10 to 15 mph. Chance of precipitation is 50%.
Friday Night - 44°F
Apr 03, 2026
15 mph SW
Mostly Cloudy
Mostly cloudy, with a low around 44.
Saturday - 50°F
Apr 04, 2026
10 to 15 mph NE
Partly Sunny
Partly sunny, with a high near 50.
Saturday Night - 39°F
Apr 04, 2026
15 mph E
Chance Rain Showers
A chance of rain showers after 8pm. Mostly cloudy, with a low around 39. Chance of precipitation is 50%.
Sunday - 50°F
Apr 05, 2026
15 to 20 mph S
Rain Showers Likely
Rain showers likely. Mostly cloudy, with a high near 50. Chance of precipitation is 70%.
Sunday Night - 40°F
Apr 05, 2026
15 to 20 mph SW
Rain Showers Likely
Rain showers likely. Mostly cloudy, with a low around 40. Chance of precipitation is 70%.
Monday - 45°F
Apr 06, 2026
15 mph W
Slight Chance Rain Showers then Mostly Sunny
A slight chance of rain showers before 9am. Mostly sunny, with a high near 45.
Monday Night - 33°F
Apr 06, 2026
10 to 15 mph NW
Partly Cloudy
Partly cloudy, with a low around 33.
Tuesday - 42°F
Apr 07, 2026
10 mph W
Mostly Sunny
Mostly sunny, with a high near 42.
Tuesday Night - 32°F
Apr 07, 2026
10 mph NE
Mostly Cloudy
Mostly cloudy, with a low around 32.

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