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Sandwich Marina, MA - Cape Cod Canal, East Entrance Marine Weather Forecast

Station 44090 - Cape Cod Bay, MA (221)

May 16, 2026 6:30 am EDT
Location: 41.84N 70.329W
Significant Wave Height: 1.3 ft
Dominant Wave Period: 2 sec
Average Period: 2.5 sec
Mean Wave Direction: W (260°)
Air Temperature: 51.3°F (10.7°C)
Water Temperature: 51.6°F (10.9°C)


Today - 61°F
May 16, 2026
8 to 16 mph SW
Sunny
Sunny, with a high near 61. Southwest wind 8 to 16 mph.
Tonight - 55°F
May 16, 2026
16 mph SW
Partly Cloudy
Partly cloudy, with a low around 55. Southwest wind around 16 mph, with gusts as high as 26 mph.
Sunday - 68°F
May 17, 2026
10 to 14 mph SW
Sunny
Sunny, with a high near 68. Southwest wind 10 to 14 mph.
Sunday Night - 55°F
May 17, 2026
6 to 13 mph NW
Mostly Clear
Mostly clear, with a low around 55. Northwest wind 6 to 13 mph.
Monday - 62°F
May 18, 2026
6 to 9 mph SE
Sunny
Sunny, with a high near 62. Southeast wind 6 to 9 mph.
Monday Night - 55°F
May 18, 2026
10 mph S
Partly Cloudy
Partly cloudy, with a low around 55. South wind around 10 mph.
Tuesday - 69°F
May 19, 2026
10 to 16 mph SW
Mostly Sunny
Mostly sunny, with a high near 69. Southwest wind 10 to 16 mph.
Tuesday Night - 58°F
May 19, 2026
15 mph SW
Mostly Clear
Mostly clear, with a low around 58. Southwest wind around 15 mph.
Wednesday - 67°F
May 20, 2026
13 to 16 mph SW
Mostly Sunny then Slight Chance Rain Showers
A slight chance of rain showers after 5pm. Mostly sunny, with a high near 67. Southwest wind 13 to 16 mph, with gusts as high as 26 mph.
Wednesday Night - 56°F
May 20, 2026
9 to 16 mph SW
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a low around 56. Southwest wind 9 to 16 mph. Chance of precipitation is 30%.
Thursday - 63°F
May 21, 2026
9 mph W
Chance Rain Showers
A chance of rain showers. Partly sunny, with a high near 63. West wind around 9 mph. Chance of precipitation is 30%.
Thursday Night - 52°F
May 21, 2026
7 mph NW
Slight Chance Rain Showers then Mostly Cloudy
A slight chance of rain showers before 8pm. Mostly cloudy, with a low around 52. Northwest wind around 7 mph.
Friday - 59°F
May 22, 2026
8 mph NE
Partly Sunny
Partly sunny, with a high near 59. Northeast wind around 8 mph.
Friday Night - 51°F
May 22, 2026
3 to 7 mph E
Partly Cloudy then Slight Chance Rain Showers
A slight chance of rain showers after 3am. Partly cloudy, with a low around 51. East wind 3 to 7 mph.

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