Tides Today & Tomorrow in Point San Quentin, CA

TIDE TIMES for Sunday, August 23, 2026
The tide is currently falling in Point San Quentin, CA.
Next low tide : in 4h 33m at 4:12 am (0.4 ft)
Next high tide : 11:31 am (4.5 ft)
Sunset today : 7:53 pm
Sunrise tomorrow : 6:31 am
Moon phase : Waxing Gibbous (74% illuminated)
Tide Station Location : Station #9414873
Common Questions About Tides

Point San Quentin, CA Tides - Oct 1947

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed12:235.212:355.76:121.06:440.66:055:54Full Moon1Wed
2Thu1:115.01:035.86:441.47:250.36:055:52Waning Gibbous2Thu
3Fri2:044.81:355.97:191.98:120.16:065:51Waning Gibbous3Fri
4Sat3:054.52:125.97:582.49:050.06:075:49Waning Gibbous4Sat
5Sun4:194.32:585.98:462.810:080.06:085:48Third Quarter5Sun
6Mon5:454.33:575.79:523.211:210.06:095:46Third Quarter6Mon
7Tue7:094.45:115.611:243.36:105:45Third Quarter7Tue
8Wed8:144.76:305.612:37-0.112:553.16:115:43Third Quarter8Wed
9Thu9:015.07:465.61:44-0.22:062.66:125:42Waning Crescent9Thu
10Fri9:415.28:535.72:41-0.23:032.06:135:40Waning Crescent10Fri
11Sat10:175.59:535.73:29-0.23:541.46:145:39Waning Crescent11Sat
12Sun10:515.810:505.64:120.04:410.86:155:37New Moon12Sun
13Mon11:235.911:445.54:510.45:260.46:165:36New Moon13Mon
14Tue11:556.15:300.86:100.16:175:35New Moon14Tue
15Wed12:375.212:256.16:071.36:53-0.16:175:33New Moon15Wed
16Thu1:315.012:566.06:451.97:35-0.16:185:32Waxing Crescent16Thu
17Fri2:274.71:285.87:252.48:20-0.16:195:30Waxing Crescent17Fri
18Sat3:284.52:025.68:092.89:080.16:205:29Waxing Crescent18Sat
19Sun4:384.42:435.39:043.210:030.36:215:28Waxing Crescent19Sun
20Mon5:564.33:355.010:213.411:060.56:225:26First Quarter20Mon
21Tue7:104.44:404.811:543.46:235:25First Quarter21Tue
22Wed8:044.55:554.612:130.61:083.16:245:24First Quarter22Wed
23Thu8:424.77:064.61:140.62:042.76:255:22First Quarter23Thu
24Fri9:124.88:094.72:040.62:482.36:265:21Waxing Gibbous24Fri
25Sat9:375.09:044.82:460.63:271.86:275:20Waxing Gibbous25Sat
26Sun10:015.39:554.93:220.74:021.46:285:19Waxing Gibbous26Sun
27Mon10:255.510:444.93:550.84:350.96:295:17Waxing Gibbous27Mon
28Tue10:505.711:344.94:281.15:100.46:305:16Full Moon28Tue
29Wed11:176.05:011.45:46-0.16:315:15Full Moon29Wed
30Thu12:244.911:47 AM6.25:351.86:25-0.46:335:14Full Moon30Thu
31Fri1:184.812:206.36:122.27:08-0.76:345:13Waning Gibbous31Fri
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 7:51 am — 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 transitional phase. Tonight's moon is 74% 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 shifting between spring and neap.

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 Waxing Gibbous (74% illuminated). This places Point San Quentin, CA in a transitional tide cycle, so tidal ranges are shifting between spring and neap 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