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Costa Mesa, CA Marine Weather Forecast

This Afternoon - 59°F
Mar 11, 2025
10 to 15 mph SE
Rain
Rain and a slight chance of thunderstorms. Mostly cloudy, with a high near 59. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tonight - 52°F
Mar 11, 2025
5 to 10 mph SE
Chance Light Rain
A chance of rain. Mostly cloudy, with a low around 52. Southeast wind 5 to 10 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Wednesday - 61°F
Mar 12, 2025
5 to 15 mph S
Chance Light Rain
A chance of rain. Mostly cloudy, with a high near 61. South wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Wednesday Night - 50°F
Mar 12, 2025
15 to 25 mph S
Heavy Rain
Rain before 5am, then rain and a slight chance of thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a low around 50. South wind 15 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Thursday - 57°F
Mar 13, 2025
20 to 30 mph W
Heavy Rain
Rain and a slight chance of thunderstorms. Some of the storms could produce heavy rain. Mostly cloudy, with a high near 57. West wind 20 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night - 45°F
Mar 13, 2025
10 to 30 mph W
Slight Chance T-storms then Mostly Cloudy
A slight chance of thunderstorms before 11pm. Mostly cloudy, with a low around 45.
Friday - 55°F
Mar 14, 2025
5 to 15 mph W
Chance Light Rain
A chance of rain after 11am. Partly sunny, with a high near 55. Chance of precipitation is 30%.
Friday Night - 48°F
Mar 14, 2025
10 mph E
Chance Light Rain then Mostly Cloudy
A chance of rain before 11pm. Mostly cloudy, with a low around 48.
Saturday - 60°F
Mar 15, 2025
5 to 10 mph W
Mostly Sunny
Mostly sunny, with a high near 60.
Saturday Night - 48°F
Mar 15, 2025
5 to 10 mph N
Partly Cloudy
Partly cloudy, with a low around 48.
Sunday - 64°F
Mar 16, 2025
5 to 10 mph NW
Partly Sunny
Partly sunny, with a high near 64.
Sunday Night - 50°F
Mar 16, 2025
5 to 10 mph W
Mostly Cloudy
Mostly cloudy, with a low around 50.
Monday - 62°F
Mar 17, 2025
5 to 15 mph W
Chance Light Rain
A chance of rain after 11am. Mostly cloudy, with a high near 62.
Monday Night - 48°F
Mar 17, 2025
15 mph W
Chance Light Rain
A chance of rain. Mostly cloudy, with a low around 48.

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