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East Dennis, MA Marine Weather Forecast

Station 44090 - Cape Cod Bay, MA (221)

December 23, 2025 12:30 pm EST
Location: 41.84N 70.329W
Significant Wave Height: 0.7 ft
Average Period: 2.0 sec
Air Temperature: 36.7°F (2.6°C)
Water Temperature: 43.0°F (6.1°C)


This Afternoon - 41°F
Dec 23, 2025
7 mph S
Light Rain Likely
Rain likely before 2pm, then rain likely and patchy fog. Cloudy, with a high near 41. South wind around 7 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Tonight - 34°F
Dec 23, 2025
6 to 14 mph SW
Light Rain
Rain and patchy fog before 4am. Cloudy, with a low around 34. Southwest wind 6 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
Wednesday - 41°F
Dec 24, 2025
15 to 23 mph NW
Chance Light Rain
A chance of rain and patchy fog between 7am and 4pm. Mostly cloudy, with a high near 41. Northwest wind 15 to 23 mph, with gusts as high as 43 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Wednesday Night - 27°F
Dec 24, 2025
5 to 15 mph NW
Mostly Cloudy
Mostly cloudy, with a low around 27. Northwest wind 5 to 15 mph, with gusts as high as 28 mph.
Christmas Day - 40°F
Dec 25, 2025
8 to 18 mph W
Chance Light Snow then Chance Light Rain
A chance of snow between 7am and 9am, then a chance of rain. Mostly cloudy, with a high near 40. West wind 8 to 18 mph. Chance of precipitation is 40%.
Thursday Night - 22°F
Dec 25, 2025
21 mph NW
Slight Chance Light Snow then Mostly Cloudy
A slight chance of rain before 7pm, then a slight chance of snow between 7pm and 8pm. Mostly cloudy, with a low around 22. Northwest wind around 21 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.
Friday - 29°F
Dec 26, 2025
9 to 18 mph N
Mostly Cloudy
Mostly cloudy, with a high near 29. North wind 9 to 18 mph.
Friday Night - 23°F
Dec 26, 2025
8 mph NE
Chance Light Snow
A chance of snow. Cloudy, with a low around 23. Northeast wind around 8 mph. Chance of precipitation is 50%. New snow accumulation of 1 to 2 inches possible.
Saturday - 34°F
Dec 27, 2025
10 mph NE
Chance Light Snow
A chance of snow before 5pm, then a slight chance of rain. Cloudy, with a high near 34. Northeast wind around 10 mph. Chance of precipitation is 40%. New snow accumulation of less than half an inch possible.
Saturday Night - 28°F
Dec 27, 2025
7 mph NE
Slight Chance Light Snow then Mostly Cloudy
A slight chance of snow before 10pm. Mostly cloudy, with a low around 28. Northeast wind around 7 mph.
Sunday - 43°F
Dec 28, 2025
6 to 13 mph S
Slight Chance Light Snow then Light Rain Likely
A slight chance of snow before 7am, then rain likely. Mostly cloudy, with a high near 43. South wind 6 to 13 mph. Chance of precipitation is 70%.
Sunday Night - 29°F
Dec 28, 2025
13 to 16 mph SW
Light Rain
Rain. Mostly cloudy, with a low around 29. Southwest wind 13 to 16 mph. Chance of precipitation is 80%.
Monday - 37°F
Dec 29, 2025
18 mph W
Chance Light Snow then Chance Light Rain
A chance of snow before 8am, then a chance of rain. Partly sunny, with a high near 37. West wind around 18 mph. Chance of precipitation is 50%.
Monday Night - 22°F
Dec 29, 2025
18 mph W
Chance Light Snow
A chance of rain before 7pm, then a chance of snow between 7pm and 3am. Partly cloudy, with a low around 22. West wind around 18 mph, with gusts as high as 29 mph.

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