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Avalon, CA - Santa Catalina Island Marine Weather Forecast

Station 46253 - San Pedro South, CA (213)

August 17, 2026 9:26 pm PDT
Location: 33.576N 118.182W
Significant Wave Height: 3.0 ft
Dominant Wave Period: 14 sec
Average Period: 4.6 sec
Mean Wave Direction: SSW (192°)
Water Temperature: 69.6°F (20.9°C)


Tonight - 68°F
Aug 18, 2026
5 to 10 mph WNW
Mostly Cloudy
Mostly cloudy, with a low around 68. West northwest wind 5 to 10 mph.
Tuesday - 76°F
Aug 18, 2026
5 to 10 mph WNW
Mostly Sunny
Mostly sunny, with a high near 76. West northwest wind 5 to 10 mph.
Tuesday Night - 68°F
Aug 18, 2026
5 to 10 mph WNW
Patchy Fog
Patchy fog after 11pm. Mostly cloudy, with a low around 68. West northwest wind 5 to 10 mph.
Wednesday - 76°F
Aug 19, 2026
5 to 15 mph WNW
Patchy Fog then Mostly Sunny
Patchy fog before 11am. Mostly sunny, with a high near 76. West northwest wind 5 to 15 mph.
Wednesday Night - 69°F
Aug 19, 2026
0 to 15 mph W
Patchy Fog
Patchy fog after 11pm. Mostly cloudy, with a low around 69. West wind 0 to 15 mph.
Thursday - 76°F
Aug 20, 2026
0 to 10 mph W
Patchy Fog then Mostly Sunny
Patchy fog before 11am. Mostly sunny, with a high near 76.
Thursday Night - 69°F
Aug 20, 2026
0 to 5 mph SW
Partly Cloudy
Partly cloudy, with a low around 69.
Friday - 76°F
Aug 21, 2026
0 to 5 mph SSW
Mostly Sunny
Mostly sunny, with a high near 76.
Friday Night - 69°F
Aug 21, 2026
0 to 5 mph SW
Partly Cloudy
Partly cloudy, with a low around 69.
Saturday - 76°F
Aug 22, 2026
0 to 10 mph SW
Mostly Sunny
Mostly sunny, with a high near 76.
Saturday Night - 68°F
Aug 22, 2026
5 to 10 mph W
Mostly Clear
Mostly clear, with a low around 68.
Sunday - 75°F
Aug 23, 2026
5 to 15 mph W
Mostly Sunny
Mostly sunny, with a high near 75.
Sunday Night - 67°F
Aug 23, 2026
5 to 15 mph WNW
Partly Cloudy
Partly cloudy, with a low around 67.
Monday - 74°F
Aug 24, 2026
5 to 15 mph WNW
Mostly Sunny
Mostly sunny, with a high near 74.

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