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Bayside, TX - Copano Bay Marine Weather Forecast

Overnight - 44°F
Dec 05, 2025
14 mph N
Chance Rain Showers
A chance of rain showers. Cloudy, with a low around 44. North wind around 14 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Friday - 56°F
Dec 05, 2025
6 to 13 mph N
Chance Rain Showers
A chance of rain showers before 3pm. Cloudy, with a high near 56. North wind 6 to 13 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Friday Night - 52°F
Dec 05, 2025
6 mph NNE
Slight Chance Rain Showers
A slight chance of rain showers after 10pm. Mostly cloudy, with a low around 52. North northeast wind around 6 mph. Chance of precipitation is 20%.
Saturday - 68°F
Dec 06, 2025
6 mph NE
Partly Sunny
Partly sunny, with a high near 68. Northeast wind around 6 mph.
Saturday Night - 58°F
Dec 06, 2025
3 mph S
Partly Cloudy
Partly cloudy, with a low around 58. South wind around 3 mph.
Sunday - 74°F
Dec 07, 2025
5 to 13 mph NW
Mostly Sunny
Mostly sunny, with a high near 74. Northwest wind 5 to 13 mph.
Sunday Night - 46°F
Dec 07, 2025
15 to 23 mph N
Mostly Clear
Mostly clear, with a low around 46. North wind 15 to 23 mph, with gusts as high as 28 mph.
Monday - 59°F
Dec 08, 2025
7 to 17 mph NNE
Sunny
Sunny, with a high near 59. North northeast wind 7 to 17 mph, with gusts as high as 23 mph.
Monday Night - 48°F
Dec 08, 2025
6 mph NE
Mostly Clear
Mostly clear, with a low around 48. Northeast wind around 6 mph.
Tuesday - 65°F
Dec 09, 2025
7 mph E
Sunny
Sunny, with a high near 65.
Tuesday Night - 56°F
Dec 09, 2025
8 mph S
Mostly Clear
Mostly clear, with a low around 56.
Wednesday - 74°F
Dec 10, 2025
8 to 13 mph SSW
Sunny
Sunny, with a high near 74.
Wednesday Night - 56°F
Dec 10, 2025
10 to 14 mph NE
Mostly Clear
Mostly clear, with a low around 56.
Thursday - 71°F
Dec 11, 2025
10 mph E
Sunny
Sunny, with a high near 71.

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