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San Mateo, CA Marine Weather Forecast

Station RTYC1 - 9414523 - Redwood City, CA

December 4, 2025 11:24 pm PST
Location: 37.507N 122.212W
Wind Direction: SSW (210°)
Wind Speed: 1.9 knots
Wind Gust: 2.9 knots
Atmospheric Pressure: 30.25 in (1024.3 mb)
Air Temperature: 48.6°F (9.2°C)
Water Temperature: 56.1°F (13.4°C)


Overnight - 44°F
Dec 05, 2025
3 mph WSW
Mostly Clear
Mostly clear, with a low around 44. West southwest wind around 3 mph.
Friday - 65°F
Dec 05, 2025
2 to 6 mph WNW
Sunny
Sunny. High near 65, with temperatures falling to around 60 in the afternoon. West northwest wind 2 to 6 mph.
Friday Night - 48°F
Dec 05, 2025
3 mph WNW
Partly Cloudy
Partly cloudy, with a low around 48. West northwest wind around 3 mph.
Saturday - 64°F
Dec 06, 2025
2 to 7 mph NW
Mostly Sunny
Mostly sunny, with a high near 64. Northwest wind 2 to 7 mph.
Saturday Night - 48°F
Dec 06, 2025
2 to 7 mph WNW
Mostly Clear then Patchy Fog
Patchy fog after 5am. Mostly clear, with a low around 48. West northwest wind 2 to 7 mph.
Sunday - 65°F
Dec 07, 2025
2 to 8 mph NW
Patchy Fog then Partly Sunny
Patchy fog before 9am. Partly sunny, with a high near 65.
Sunday Night - 48°F
Dec 07, 2025
2 to 8 mph NW
Partly Cloudy
Partly cloudy, with a low around 48.
Monday - 66°F
Dec 08, 2025
2 to 6 mph N
Mostly Sunny
Mostly sunny, with a high near 66.
Monday Night - 47°F
Dec 08, 2025
5 mph N
Partly Cloudy
Partly cloudy, with a low around 47.
Tuesday - 67°F
Dec 09, 2025
2 to 6 mph N
Mostly Sunny
Mostly sunny, with a high near 67.
Tuesday Night - 48°F
Dec 09, 2025
2 to 6 mph N
Partly Cloudy
Partly cloudy, with a low around 48.
Wednesday - 67°F
Dec 10, 2025
2 to 6 mph N
Mostly Sunny
Mostly sunny, with a high near 67.
Wednesday Night - 49°F
Dec 10, 2025
2 to 6 mph NNW
Mostly Clear
Mostly clear, with a low around 49.
Thursday - 68°F
Dec 11, 2025
5 mph NNW
Mostly Sunny
Mostly sunny, with a high near 68.

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