Tides Today & Tomorrow in Point San Quentin, CA

TIDE TIMES for Thursday, August 20, 2026
The tide is currently falling in Point San Quentin, CA.
Next low tide : in 3h 32m at 12:31 pm (3.1 ft)
Next high tide : 6:38 pm (5.5 ft)
Sunset today : 7:56 pm
Sunrise tomorrow : 6:29 am
Moon phase : First Quarter (56% illuminated)
Tide Station Location : Station #9414873
Common Questions About Tides

Point San Quentin, CA Tides - Apr 1951

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun7:385.39:424.92:022.52:40-0.45:556:32Waning Crescent1Sun
2Mon8:475.310:175.13:032.03:28-0.35:546:33Waning Crescent2Mon
3Tue9:475.310:495.43:541.44:09-0.15:526:34Waning Crescent3Tue
4Wed10:425.111:185.54:400.94:460.25:516:35New Moon4Wed
5Thu11:335.011:465.65:220.45:200.65:496:35New Moon5Thu
6Fri12:234.86:020.15:531.15:486:36New Moon6Fri
7Sat12:115.71:124.66:39-0.16:261.65:466:37New Moon7Sat
8Sun12:375.72:024.47:16-0.27:002.15:456:38Waxing Crescent8Sun
9Mon1:035.62:554.27:54-0.27:352.55:436:39Waxing Crescent9Mon
10Tue1:325.53:544.08:35-0.18:142.85:426:40Waxing Crescent10Tue
11Wed2:065.35:043.89:220.19:033.15:406:41Waxing Crescent11Wed
12Thu2:485.06:263.810:170.210:173.25:396:42First Quarter12Thu
13Fri3:424.87:363.911:230.311:533.25:376:43First Quarter13Fri
14Sat4:504.68:214.112:300.35:366:44First Quarter14Sat
15Sun6:044.58:524.31:102.91:270.35:346:45First Quarter15Sun
16Mon7:164.59:194.52:062.52:140.25:336:46Waxing Gibbous16Mon
17Tue8:204.59:434.82:512.02:550.35:326:46Waxing Gibbous17Tue
18Wed9:194.610:085.13:321.43:310.45:306:47Waxing Gibbous18Wed
19Thu10:154.710:355.54:100.84:060.75:296:48Waxing Gibbous19Thu
20Fri11:114.811:035.84:500.14:421.05:286:49Full Moon20Fri
21Sat12:064.85:31-0.55:191.55:266:50Full Moon21Sat
22Sun1:034.76:14-0.95:591.95:256:51Full Moon22Sun
23Mon12:106.32:024.67:00-1.26:412.35:246:52Waning Gibbous23Mon
24Tue12:506.43:054.57:51-1.37:292.65:226:53Waning Gibbous24Tue
25Wed1:356.34:134.38:46-1.28:272.95:216:54Waning Gibbous25Wed
26Thu2:296.05:254.39:48-1.09:433.05:206:55Third Quarter26Thu
27Fri3:335.66:334.410:55-0.711:192.95:186:56Third Quarter27Fri
28Sat4:475.27:304.712:04-0.55:176:57Third Quarter28Sat
29Sun7:094.89:174.912:482.52:07-0.26:167:58Third Quarter29Sun
30Mon8:294.69:575.22:591.93:010.16:157:58Waning Crescent30Mon
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 3:34 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 neap phase. Tonight's moon is 56% 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 minimum.

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 First Quarter (56% illuminated). This places Point San Quentin, CA in a neap tide cycle, so tidal ranges are near their weekly minimum 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