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Castroville, CA Marine Weather Forecast

Station MLSC1 - Moss Landing, South Harbor, CA

August 17, 2026 10:00 pm PDT
Location: 36.802N 121.791W
Water Temperature: 61.9°F (16.6°C)


Tonight - 57°F
Aug 18, 2026
2 to 7 mph W
Mostly Cloudy
Mostly cloudy, with a low around 57. West wind 2 to 7 mph.
Tuesday - 64°F
Aug 18, 2026
2 to 12 mph WNW
Patchy Fog then Partly Sunny
Patchy fog between 9am and 10am. Partly sunny, with a high near 64. West northwest wind 2 to 12 mph, with gusts as high as 18 mph.
Tuesday Night - 58°F
Aug 18, 2026
2 to 10 mph WSW
Mostly Cloudy
Mostly cloudy, with a low around 58. West southwest wind 2 to 10 mph.
Wednesday - 63°F
Aug 19, 2026
2 to 10 mph W
Mostly Cloudy
Mostly cloudy, with a high near 63. West wind 2 to 10 mph, with gusts as high as 18 mph.
Wednesday Night - 58°F
Aug 19, 2026
2 to 10 mph WNW
Mostly Cloudy
Mostly cloudy, with a low around 58. West northwest wind 2 to 10 mph, with gusts as high as 18 mph.
Thursday - 63°F
Aug 20, 2026
2 to 12 mph WNW
Mostly Cloudy
Mostly cloudy, with a high near 63.
Thursday Night - 58°F
Aug 20, 2026
5 to 12 mph WNW
Mostly Cloudy
Mostly cloudy, with a low around 58.
Friday - 63°F
Aug 21, 2026
3 to 13 mph WNW
Mostly Cloudy
Mostly cloudy, with a high near 63.
Friday Night - 58°F
Aug 21, 2026
5 to 13 mph WNW
Mostly Cloudy
Mostly cloudy, with a low around 58.
Saturday - 62°F
Aug 22, 2026
2 to 12 mph WNW
Mostly Sunny
Mostly sunny, with a high near 62.
Saturday Night - 57°F
Aug 22, 2026
2 to 12 mph WNW
Mostly Cloudy
Mostly cloudy, with a low around 57.
Sunday - 61°F
Aug 23, 2026
2 to 12 mph WNW
Patchy Fog then Partly Sunny
Patchy fog between 8am and 11am. Partly sunny, with a high near 61.
Sunday Night - 57°F
Aug 23, 2026
2 to 12 mph WNW
Mostly Cloudy
Mostly cloudy, with a low around 57.
Monday - 60°F
Aug 24, 2026
2 to 12 mph W
Patchy Fog then Mostly Cloudy
Patchy fog between 8am and 11am. Mostly cloudy, with a high near 60.

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