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Korths Harbor, CA - San Joaquin River Marine Weather Forecast

Station PSBC1 - 9415115 - Pittsburg (Suisun Bay), CA

December 5, 2025 11:48 am PST
Location: 38.04N 121.887W
Wind Direction: ESE (110°)
Wind Speed: 8.9 knots
Wind Gust: 11.1 knots
Atmospheric Pressure: 30.22 in (1023.3 mb)


This Afternoon - 53°F
Dec 05, 2025
2 to 6 mph E
Mostly Sunny
Mostly sunny. High near 53, with temperatures falling to around 50 in the afternoon. East wind 2 to 6 mph.
Tonight - 44°F
Dec 05, 2025
5 mph ESE
Partly Cloudy
Partly cloudy, with a low around 44. East southeast wind around 5 mph.
Saturday - 55°F
Dec 06, 2025
3 mph NNE
Mostly Sunny
Mostly sunny, with a high near 55. North northeast wind around 3 mph.
Saturday Night - 46°F
Dec 06, 2025
2 mph ESE
Partly Cloudy then Patchy Fog
Patchy fog after 2am. Partly cloudy, with a low around 46. East southeast wind around 2 mph.
Sunday - 58°F
Dec 07, 2025
2 mph N
Patchy Fog then Partly Sunny
Patchy fog before 10am. Partly sunny, with a high near 58. North wind around 2 mph.
Sunday Night - 46°F
Dec 07, 2025
3 mph NW
Partly Cloudy
Partly cloudy, with a low around 46.
Monday - 58°F
Dec 08, 2025
3 mph NNW
Patchy Fog then Partly Sunny
Patchy fog between 7am and 10am. Partly sunny, with a high near 58.
Monday Night - 46°F
Dec 08, 2025
2 mph W
Partly Cloudy
Partly cloudy, with a low around 46.
Tuesday - 59°F
Dec 09, 2025
3 mph NNE
Patchy Fog then Partly Sunny
Patchy fog between 8am and 10am. Partly sunny, with a high near 59.
Tuesday Night - 47°F
Dec 09, 2025
2 mph SSW
Partly Cloudy
Partly cloudy, with a low around 47.
Wednesday - 60°F
Dec 10, 2025
3 mph NNE
Patchy Fog then Mostly Sunny
Patchy fog before 10am. Mostly sunny, with a high near 60.
Wednesday Night - 48°F
Dec 10, 2025
2 mph W
Partly Cloudy then Patchy Fog
Patchy fog after 3am. Partly cloudy, with a low around 48.
Thursday - 60°F
Dec 11, 2025
3 mph NNW
Patchy Fog then Mostly Sunny
Patchy fog before 10am. Mostly sunny, with a high near 60.
Thursday Night - 47°F
Dec 11, 2025
3 mph SE
Partly Cloudy
Partly cloudy, with a low around 47.

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