38.0617’ N, 121.5550’ W

Prisoners Point, San Joaquin River, CA

59°
H 85°
L 57°
SW
4mph
High tide
6:28 am

Prisoners Point, San Joaquin River, CA Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Sat
Sep 12
Sunny
Close Hourly
85º / 57º 2% WSW 18 mph 46%
7am Sunny 59º 2% SW 4 mph 78%
8am Sunny 65º 1% SW 4 mph 70%
9am Sunny 70º 1% WSW 5 mph 58%
10am Sunny 73º 0% WSW 8 mph 49%
11am Sunny 77º 0% WSW 11 mph 41%
12pm Sunny 81º 0% WSW 12 mph 35%
1pm Sunny 83º 0% WSW 14 mph 32%
2pm Sunny 83º 0% WSW 16 mph 30%
3pm Sunny 83º 0% WSW 18 mph 30%
4pm Sunny 82º 0% WSW 18 mph 31%
5pm Sunny 80º 0% WSW 18 mph 34%
6pm Sunny 77º 0% WSW 18 mph 39%
7pm Sunny 73º 0% WSW 16 mph 44%
8pm Clear 69º 0% WSW 15 mph 52%
9pm Clear 66º 1% WSW 17 mph 57%
10pm Clear 65º 1% WSW 16 mph 61%
11pm Clear 64º 2% WSW 16 mph 63%
Sun
Sep 13
Sunny
View Hourly
83º / 57º 6% W 15 mph 44%
12am Clear 63º 3% WSW 15 mph 65%
1am Clear 62º 4% WSW 15 mph 67%
2am Clear 62º 4% WSW 15 mph 67%
3am Clear 61º 4% WSW 16 mph 68%
4am Clear 60º 5% WSW 16 mph 70%
5am Clear 60º 5% WSW 15 mph 73%
6am Clear 59º 6% WSW 14 mph 76%
7am Sunny 58º 6% W 13 mph 77%
8am Sunny 62º 3% W 14 mph 70%
9am Sunny 65º 1% W 14 mph 61%
10am Sunny 68º 0% WNW 13 mph 52%
11am Sunny 72º 0% WNW 11 mph 44%
12pm Sunny 75º 0% WNW 10 mph 39%
1pm Sunny 77º 0% WNW 10 mph 35%
2pm Sunny 79º 0% WNW 10 mph 32%
3pm Sunny 81º 0% WNW 11 mph 29%
4pm Sunny 82º 0% W 10 mph 27%
5pm Sunny 81º 0% W 11 mph 28%
6pm Sunny 80º 0% W 12 mph 30%
7pm Sunny 75º 0% W 11 mph 37%
8pm Clear 71º 0% W 10 mph 46%
9pm Clear 68º 1% WSW 11 mph 52%
10pm Clear 66º 1% WSW 12 mph 57%
11pm Clear 65º 2% WSW 12 mph 61%
Mon
Sep 14
Sunny
View Hourly
90º / 53º 4% WNW 12 mph 35%
12am Clear 63º 4% W 12 mph 67%
1am Clear 62º 5% W 11 mph 69%
2am Clear 62º 5% W 11 mph 70%
3am Clear 61º 5% W 10 mph 72%
4am Clear 60º 5% W 10 mph 73%
5am Clear 59º 4% W 9 mph 74%
6am Clear 59º 4% W 9 mph 75%
Tue
Sep 15
Sunny 89º / 55º 6% W 11 mph 46%
Wed
Sep 16
Sunny 83º / 56º 7% W 13 mph 51%
Thu
Sep 17
Sunny 82º / 57º 7% W 12 mph 51%
Fri
Sep 18
Sunny 86º / 57º 6% W 12 mph 48%
Sat
Sep 19
Sunny 86º / 58º 6% W 13 mph 48%

Weather Radar for Prisoners Point, San Joaquin River, CA See Radar

* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Prisoners Point, San Joaquin River, CA

Today
High : 78ºF
SSW wind 6 to 11 kt becoming W 12 to 17 kt in the afternoon. Winds could gust as high as 24 kt. Sunny.
Tonight
Low : 59ºF
WSW wind 16 to 18 kt, with gusts as high as 26 kt. Clear.
Sunday
High : 76ºF
WNW wind 8 to 15 kt, with gusts as high as 25 kt. Patchy smoke between noon and 3pm.
Sunday Night
Low : 59ºF
W wind 8 to 10 kt. Clear.
Monday
High : 80ºF
WNW wind 8 to 10 kt, with gusts as high as 18 kt. Sunny.
Monday Night
Low : 59ºF
W wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Clear.
Tuesday
High : 82ºF
Variable winds 5 kt or less. Sunny.
Tuesday Night
Low : 56ºF
W wind 5 to 8 kt becoming variable and less than 5 kt after midnight. Mostly clear.
Wednesday
High : 83ºF
Variable winds less than 5 kt becoming W around 6 kt in the morning. Sunny.

NOAA Buoy Data Near Prisoners Point, San Joaquin River, CA See Map

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    Wind Speed Forecast for Prisoners Point, San Joaquin River, CA

    SaturdaySundayMonday
    Wind Speed (MPH) 41118161616131111111210
    2pm6pm10pm2am6am10am2pm6pm10pm2am6am10am
    MPH 41118161616131111111210
    DIR SWWSWWSWWSWWSWWSWWWNWWNWWWSWW

    Current Weather Conditions In Prisoners Point, San Joaquin River, CA

    As Of: 37 minutes ago

    • 59ºF
    • 59ºF
    • 4mph
    • 0º (SW)
    • 4mph
    • Sunny
    • 10mi
    • 29.86"
    • 78%
    • 0ºF

    The weather right now in Prisoners Point, San Joaquin River, CA is Sunny. The current temperature is 59°F, and the expected high and low for today, Saturday, September 12, 2026, are 85° high temperature and 57°F low temperature. The wind is currently blowing at 4 miles per hour, and coming from the Southwest. The wind is gusting to 4 mph. With the wind and the atmosphere the temperature feels like 59° Fahrenheit. Expected precipitation is 2 percent, with current humidity at 78 percent, and air pressure at 29.86 in. Visibility is 10 nautical miles. There are 1 current weather alert(s).

    Weather Alerts
    Small Craft Advisory - 2:00am Sat Sep 12 2026

    ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 AM THIS MORNING TO 9 AM PDT SUNDAY...

    WHAT: West winds 15 to 25 kt with gusts up to 30 kt and rough
    waters expected.

    WHERE: San Pablo Bay, Suisun Bay, the West Delta and the San
    Francisco Bay north of the Bay Bridge.

    WHEN: From 9 AM this morning to 9 AM PDT Sunday.

    IMPACTS: Conditions will be hazardous to small craft.

    PRECAUTIONARY / PREPAREDNESS ACTIONS:

    Inexperienced mariners, especially those operating smaller
    vessels, should avoid navigating in hazardous conditions.

    &&