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SeaTac, WA Marine Weather Forecast

Station TCNW1 - 9446484 - Tacoma, WA

July 25, 2026 9:48 pm PDT
Location: 47.267N 122.413W
Atmospheric Pressure: 30.05 in (1017.6 mb)
Water Temperature: 55.8°F (13.2°C)


Tonight - 58°F
Jul 26, 2026
3 mph SW
Mostly Cloudy
Mostly cloudy. Low around 58, with temperatures rising to around 61 overnight. Southwest wind around 3 mph.
Sunday - 74°F
Jul 26, 2026
3 to 9 mph WSW
Partly Sunny then Slight Chance Light Rain
A slight chance of rain after 5pm. Partly sunny, with a high near 74. West southwest wind 3 to 9 mph. Chance of precipitation is 20%.
Sunday Night - 56°F
Jul 26, 2026
2 to 8 mph SW
Slight Chance Light Rain then Mostly Cloudy
A slight chance of rain before 7pm. Mostly cloudy. Low around 56, with temperatures rising to around 58 overnight. Southwest wind 2 to 8 mph. Chance of precipitation is 20%.
Monday - 79°F
Jul 27, 2026
2 to 8 mph SW
Mostly Sunny
Mostly sunny, with a high near 79. Southwest wind 2 to 8 mph.
Monday Night - 57°F
Jul 27, 2026
3 to 8 mph SW
Partly Cloudy
Partly cloudy, with a low around 57. Southwest wind 3 to 8 mph.
Tuesday - 75°F
Jul 28, 2026
3 to 10 mph SW
Slight Chance Light Rain
A slight chance of rain between 11am and 5pm. Partly sunny, with a high near 75. Chance of precipitation is 20%.
Tuesday Night - 55°F
Jul 28, 2026
1 to 10 mph WSW
Partly Cloudy
Partly cloudy, with a low around 55.
Wednesday - 72°F
Jul 29, 2026
1 to 6 mph WNW
Mostly Sunny
Mostly sunny, with a high near 72.
Wednesday Night - 54°F
Jul 29, 2026
1 to 7 mph NNW
Mostly Clear
Mostly clear, with a low around 54.
Thursday - 75°F
Jul 30, 2026
1 to 5 mph NW
Sunny
Sunny, with a high near 75.
Thursday Night - 55°F
Jul 30, 2026
1 to 5 mph NNW
Mostly Clear
Mostly clear, with a low around 55.
Friday - 76°F
Jul 31, 2026
1 to 7 mph W
Sunny
Sunny, with a high near 76.
Friday Night - 56°F
Jul 31, 2026
3 to 7 mph SW
Mostly Clear
Mostly clear, with a low around 56.
Saturday - 73°F
Aug 01, 2026
3 to 9 mph SW
Mostly Sunny
Mostly sunny, with a high near 73.

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