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Eureka, CA Marine Weather Forecast

Tonight - 51°F
Dec 18, 2025
15 to 18 mph S
Rain
Rain. Cloudy, with a low around 51. South wind 15 to 18 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Friday - 58°F
Dec 19, 2025
7 to 15 mph WNW
Rain
Rain before 1pm, then rain showers likely. Cloudy. High near 58, with temperatures falling to around 49 in the afternoon. West northwest wind 7 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Friday Night - 40°F
Dec 19, 2025
2 to 7 mph NNE
Chance Rain Showers then Slight Chance Light Rain
A chance of rain showers before 1am, then a slight chance of rain. Mostly cloudy, with a low around 40. North northeast wind 2 to 7 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Saturday - 53°F
Dec 20, 2025
2 mph SE
Light Rain
Rain. Cloudy, with a high near 53. Southeast wind around 2 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
Saturday Night - 45°F
Dec 20, 2025
2 to 8 mph SE
Rain then Showers And Thunderstorms
Rain before 4am, then showers and thunderstorms. Cloudy, with a low around 45. Southeast wind 2 to 8 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday - 58°F
Dec 21, 2025
8 to 15 mph S
Showers And Thunderstorms
Showers and thunderstorms before 4pm, then rain. Cloudy, with a high near 58. South wind 8 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Sunday Night - 45°F
Dec 21, 2025
2 to 8 mph SSW
Rain
Rain. Cloudy, with a low around 45. New rainfall amounts between a quarter and half of an inch possible.
Monday - 53°F
Dec 22, 2025
5 mph S
Light Rain
Rain. Mostly cloudy, with a high near 53.
Monday Night - 41°F
Dec 22, 2025
3 mph SSE
Light Rain Likely
Rain likely. Mostly cloudy, with a low around 41.
Tuesday - 52°F
Dec 23, 2025
3 mph E
Rain Likely
Rain likely. Cloudy, with a high near 52.
Tuesday Night - 40°F
Dec 23, 2025
6 mph SE
Rain Likely
Rain likely. Mostly cloudy, with a low around 40.
Wednesday - 54°F
Dec 24, 2025
8 mph SSE
Rain Likely
Rain likely. Mostly cloudy, with a high near 54.
Wednesday Night - 43°F
Dec 24, 2025
8 mph SSE
Rain
Rain. Cloudy, with a low around 43.
Christmas Day - 55°F
Dec 25, 2025
7 to 10 mph SSE
Rain
Rain. Cloudy, with a high near 55.

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