Tides Today & Tomorrow in Point San Quentin, CA

TIDE TIMES for Wednesday, August 12, 2026
The tide is currently falling in Point San Quentin, CA.
Next low tide : in 1h 39m at 6:30 pm (2.1 ft)
Next high tide (tomorrow) : 12:31 am (6.7 ft)
Sunset today : 8:06 pm
Sunrise tomorrow : 6:22 am
Moon phase : New Moon (0% illuminated)
Tide Station Location : Station #9414873
Common Questions About Tides

Point San Quentin, CA Tides - Mar 2091

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu8:105.610:144.52:172.63:12-0.16:406:03Waxing Gibbous1Thu
2Fri9:055.910:524.83:102.33:56-0.46:386:04Waxing Gibbous2Fri
3Sat9:586.111:285.13:571.94:38-0.66:376:05Waxing Gibbous3Sat
4Sun10:496.24:431.55:19-0.76:366:06Full Moon4Sun
5Mon12:035.411:40 AM6.25:301.16:00-0.66:346:07Full Moon5Mon
6Tue12:405.612:326.06:180.76:42-0.36:336:08Full Moon6Tue
7Wed1:185.81:265.77:080.47:240.16:316:09Waning Gibbous7Wed
8Thu1:576.02:235.38:010.28:090.76:306:10Waning Gibbous8Thu
9Fri2:406.03:274.88:580.18:581.36:286:11Waning Gibbous9Fri
10Sat3:275.94:414.410:020.29:561.86:276:12Third Quarter10Sat
11Sun5:215.87:064.212:130.27:257:13Third Quarter11Sun
12Mon6:225.68:334.312:092.21:280.27:247:14Third Quarter12Mon
13Tue7:305.49:444.51:332.42:390.17:227:15Third Quarter13Tue
14Wed8:385.410:384.82:492.33:390.07:217:16Waning Crescent14Wed
15Thu9:405.411:214.93:522.14:290.07:197:17Waning Crescent15Thu
16Fri10:345.411:585.14:441.95:120.07:187:18Waning Crescent16Fri
17Sat11:225.45:281.65:490.17:167:19Waning Crescent17Sat
18Sun12:305.112:055.36:071.46:220.27:157:20New Moon18Sun
19Mon12:585.112:455.26:421.26:530.47:137:21New Moon19Mon
20Tue1:245.11:245.07:161.07:230.77:127:22New Moon20Tue
21Wed1:485.22:034.87:490.87:530.97:107:22New Moon21Wed
22Thu2:135.22:434.68:220.78:231.37:097:23Waxing Crescent22Thu
23Fri2:405.23:264.48:580.68:551.67:077:24Waxing Crescent23Fri
24Sat3:105.24:164.19:370.69:312.07:067:25Waxing Crescent24Sat
25Sun3:455.15:173.910:230.610:152.37:047:26Waxing Crescent25Sun
26Mon4:275.06:313.811:180.611:142.67:037:27First Quarter26Mon
27Tue5:194.97:523.912:230.57:017:28First Quarter27Tue
28Wed6:234.99:004.112:332.71:320.47:007:29First Quarter28Wed
29Thu7:334.99:504.41:542.62:350.26:587:30First Quarter29Thu
30Fri8:425.110:314.72:592.33:30-0.16:567:31Waxing Gibbous30Fri
31Sat9:455.311:095.03:521.84:18-0.26:557:32Waxing Gibbous31Sat
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9414873)

Common Questions About Point San Quentin, CA Tides

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What time does the tide turn (slack tide) in Point San Quentin, CA today?

Slack tide in Point San Quentin, CA is approximately 9:30 pm — midway between the next high and low tide, when tidal current is weakest. This is the preferred window for boat crossings, underwater visibility, and fishing in areas with strong currents.

Is this week a spring tide or neap tide in Point San Quentin, CA?

Point San Quentin, CA is currently in a spring phase. Tonight's moon is 0% illuminated. Spring tides (largest swings) occur near new and full moons; neap tides (smallest swings) occur near first and third quarter moons. Tidal ranges this week are near their weekly maximum.

What datum are Point San Quentin, CA tide heights measured from?

Tide heights on this page are measured from Mean Lower Low Water (MLLW), the U.S. NOAA standard. A height of 0 ft represents the 19-year average of each day's lower low tide. Negative values indicate a "minus tide" — water levels below that long-term reference.

What factors can affect the tide predictions for Point San Quentin, CA?

Tide predictions for Point San Quentin, CA come from NOAA's harmonic analysis and are typically accurate within about ±10 minutes on timing and ±0.5 ft on height. Actual water levels can deviate further due to sustained winds, atmospheric pressure changes, river flow, and storm surge. During major weather events, be sure to check US Harbors weather pages for factors that could impact tidal predictions.

Which NOAA station provides tide data for Point San Quentin, CA?

Tide data for Point San Quentin, CA is sourced from NOAA Station #9414873. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9414873.

What is the moon phase in Point San Quentin, CA tonight?

Tonight the moon over Point San Quentin, CA is New Moon (0% illuminated). This places Point San Quentin, CA in a spring tide cycle, so tidal ranges are near their weekly maximum this week.

US Harbors Tidal Data

The data in our tide charts, tide tables, and tide graphs is provided by NOAA and others. These predictions are derived mathematically from numerous inputs, including data from historical tide stations and nearby locations where sensors are actively recording. As shown in the tide graph at the top of this page, “Predicted” tides (blue) are what forecasting models expect to happen. “Observed” tides (red) are those recorded by local sensors in real time, overlaid on the predictions for direct comparison. We display Observed water levels for a select group of harbors including Portland, Maine, where a physical sensor monitors water levels in real time.

LEARN MORE ABOUT OUR TIDE DATA