Station 44090 - Cape Cod Bay, MA (221)
May 16, 2026 6:30 pm EDTLocation: 41.84N 70.329W
Significant Wave Height: 3.0 ft
Dominant Wave Period: 4 sec
Average Period: 3.1 sec
Mean Wave Direction: SW (233°)
Air Temperature: 60.4°F (15.8°C)
Water Temperature: 52.2°F (11.2°C)
Tonight - 55°F
May 16, 2026
18 mph SW
Partly Cloudy then Slight Chance Rain Showers
A slight chance of rain showers after 5am. Partly cloudy, with a low around 55. Southwest wind around 18 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.
Sunday - 67°F
May 17, 2026
9 to 15 mph SW
Sunny
Sunny, with a high near 67. Southwest wind 9 to 15 mph.
Sunday Night - 55°F
May 17, 2026
6 to 12 mph NW
Mostly Clear
Mostly clear, with a low around 55. Northwest wind 6 to 12 mph.
Monday - 61°F
May 18, 2026
6 to 9 mph SE
Mostly Sunny
Mostly sunny, with a high near 61. Southeast wind 6 to 9 mph.
Monday Night - 55°F
May 18, 2026
10 mph SW
Partly Cloudy
Partly cloudy, with a low around 55. Southwest wind around 10 mph.
Tuesday - 66°F
May 19, 2026
10 to 17 mph SW
Mostly Sunny
Mostly sunny, with a high near 66. Southwest wind 10 to 17 mph.
Tuesday Night - 58°F
May 19, 2026
16 mph SW
Mostly Clear
Mostly clear, with a low around 58. Southwest wind around 16 mph.
Wednesday - 68°F
May 20, 2026
14 to 17 mph SW
Sunny then Slight Chance Rain Showers
A slight chance of rain showers after 5pm. Sunny, with a high near 68. Southwest wind 14 to 17 mph.
Wednesday Night - 56°F
May 20, 2026
8 to 15 mph W
Chance Showers And Thunderstorms
A slight chance of rain showers before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 56. West wind 8 to 15 mph. Chance of precipitation is 30%.
Thursday - 63°F
May 21, 2026
9 mph N
Chance Rain Showers
A chance of rain showers. Partly sunny, with a high near 63. North wind around 9 mph. Chance of precipitation is 30%.
Thursday Night - 51°F
May 21, 2026
7 mph NE
Slight Chance Rain Showers then Mostly Cloudy
A slight chance of rain showers before 8pm. Mostly cloudy, with a low around 51. Northeast wind around 7 mph.
Friday - 58°F
May 22, 2026
9 mph NE
Partly Sunny
Partly sunny, with a high near 58. Northeast wind around 9 mph.
Friday Night - 50°F
May 22, 2026
3 to 7 mph E
Mostly Cloudy then Slight Chance Rain Showers
A slight chance of rain showers after 2am. Mostly cloudy, with a low around 50. East wind 3 to 7 mph.
Saturday - 58°F
May 23, 2026
3 to 10 mph E
Chance Rain Showers
A chance of rain showers. Partly sunny, with a high near 58. East wind 3 to 10 mph.