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Seward, AK Marine Weather Forecast

Tonight - 42°F
Aug 18, 2026
10 to 15 mph S
Chance Light Rain
A chance of rain. Mostly cloudy, with a low around 42. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Tuesday - 50°F
Aug 18, 2026
10 mph S
Chance Light Rain
A chance of rain. Mostly cloudy, with a high near 50. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Tuesday Night - 40°F
Aug 18, 2026
5 to 10 mph SE
Chance Light Rain
A chance of rain. Mostly cloudy, with a low around 40. Southeast wind 5 to 10 mph. Chance of precipitation is 50%.
Wednesday - 50°F
Aug 19, 2026
5 to 10 mph E
Light Rain
Rain. Cloudy, with a high near 50. East wind 5 to 10 mph. Chance of precipitation is 80%.
Wednesday Night - 37°F
Aug 19, 2026
5 to 10 mph E
Light Rain
Rain. Cloudy, with a low around 37. East wind 5 to 10 mph. Chance of precipitation is 80%.
Thursday - 47°F
Aug 20, 2026
5 mph E
Light Rain
Rain. Cloudy, with a high near 47. East wind around 5 mph. Chance of precipitation is 80%.
Thursday Night - 36°F
Aug 20, 2026
5 mph SE
Light Rain Likely
Rain likely before 4am, then a chance of rain showers. Mostly cloudy, with a low around 36.
Friday - 47°F
Aug 21, 2026
5 mph S
Rain Showers Likely
Rain showers likely. Mostly cloudy, with a high near 47.
Friday Night - 35°F
Aug 21, 2026
5 to 10 mph SE
Rain Showers Likely
Rain showers likely. Cloudy, with a low around 35.
Saturday - 45°F
Aug 22, 2026
5 to 10 mph SE
Rain Showers
Rain showers. Cloudy, with a high near 45.
Saturday Night - 34°F
Aug 22, 2026
0 to 5 mph E
Rain Showers
Rain showers. Cloudy, with a low around 34.
Sunday - 49°F
Aug 23, 2026
0 to 5 mph N
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a high near 49.
Sunday Night - 36°F
Aug 23, 2026
0 to 5 mph N
Chance Rain Showers
A chance of rain showers before 4am. Mostly cloudy, with a low around 36.
Monday - 51°F
Aug 24, 2026
0 to 5 mph N
Partly Sunny then Slight Chance Rain Showers
A slight chance of rain showers after 4pm. Partly sunny, with a high near 51.

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