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Seattle, WA Marine Weather Forecast

Today - 53°F
Dec 18, 2025
10 to 20 mph S
Rain
Rain. Cloudy, with a high near 53. South wind 10 to 20 mph, with gusts as high as 48 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Tonight - 40°F
Dec 18, 2025
7 to 20 mph SW
Light Rain
Rain. Mostly cloudy, with a low around 40. Southwest wind 7 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 90%. New rainfall amounts less than a tenth of an inch possible.
Friday - 45°F
Dec 19, 2025
9 to 14 mph SSW
Light Rain
Rain. Mostly cloudy, with a high near 45. South southwest wind 9 to 14 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.
Friday Night - 41°F
Dec 19, 2025
13 mph SSW
Light Rain
Rain. Cloudy, with a low around 41. South southwest wind around 13 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts less than a tenth of an inch possible.
Saturday - 46°F
Dec 20, 2025
14 mph S
Light Rain
Rain. Cloudy, with a high near 46. South wind around 14 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
Saturday Night - 41°F
Dec 20, 2025
8 to 12 mph S
Light Rain
Rain. Mostly cloudy, with a low around 41. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
Sunday - 46°F
Dec 21, 2025
7 to 10 mph S
Light Rain
Rain. Cloudy, with a high near 46.
Sunday Night - 42°F
Dec 21, 2025
13 mph S
Light Rain
Rain. Cloudy, with a low around 42.
Monday - 46°F
Dec 22, 2025
14 mph S
Light Rain
Rain. Cloudy, with a high near 46.
Monday Night - 40°F
Dec 22, 2025
9 to 13 mph S
Light Rain
Rain. Mostly cloudy, with a low around 40.
Tuesday - 46°F
Dec 23, 2025
5 to 9 mph S
Light Rain Likely
Rain likely. Mostly cloudy, with a high near 46.
Tuesday Night - 37°F
Dec 23, 2025
5 mph ESE
Chance Light Rain
A chance of rain. Mostly cloudy, with a low around 37.
Wednesday - 44°F
Dec 24, 2025
3 to 7 mph NNE
Chance Light Rain
A chance of rain. Mostly cloudy, with a high near 44.
Wednesday Night - 37°F
Dec 24, 2025
6 mph SE
Chance Light Rain
A chance of rain. Mostly cloudy, with a low around 37.

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