38.1450’ N, 121.6920’ W

Rio Vista, CA

55°
H -°
L 54°
SSE
4mph
High tide
7:14 am

Tides Today & Tomorrow in Rio Vista, CA

TIDE TIMES for Friday, November 13, 2026
The tide is currently rising in Rio Vista, CA.
Next low tide : 11:37 am (1.7 ft)
Next high tide : in 4h 19m at 7:14 am (2.7 ft)
Sunset today : 4:56 pm
Sunrise tomorrow : 6:45 am
Moon phase : Waxing Crescent (18% illuminated)
Tide Station Location : Station #9415316
Common Questions About Tides

Rio Vista, CA Tides - Dec 1748

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun12:462.612:294.36:270.88:09-0.17:124:54Waxing Gibbous1Sun
2Mon1:452.61:044.37:111.09:01-0.37:134:54Waxing Gibbous2Mon
3Tue2:412.61:384.37:541.29:48-0.57:144:54Full Moon3Tue
4Wed3:352.62:104.38:381.510:31-0.67:154:54Full Moon4Wed
5Thu4:282.72:434.39:211.611:11-0.57:164:54Full Moon5Thu
6Fri5:192.83:184.210:061.711:49-0.57:174:54Full Moon6Fri
7Sat6:062.83:574.010:511.77:184:54Waning Gibbous7Sat
8Sun6:502.94:393.812:24-0.311:39 AM1.77:184:54Waning Gibbous8Sun
9Mon7:313.05:263.612:58-0.212:301.77:194:54Waning Gibbous9Mon
10Tue8:123.16:183.31:310.01:271.77:204:54Waning Gibbous10Tue
11Wed8:533.27:203.02:040.22:321.67:214:54Third Quarter11Wed
12Thu9:323.38:382.72:380.43:421.57:224:54Third Quarter12Thu
13Fri10:093.410:052.53:150.64:531.37:224:55Third Quarter13Fri
14Sat10:413.611:232.33:530.85:591.07:234:55Third Quarter14Sat
15Sun11:103.74:331.07:000.77:244:55Waning Crescent15Sun
16Mon12:292.311:38 AM3.95:131.27:550.37:244:55Waning Crescent16Mon
17Tue1:282.312:104.25:571.48:450.17:254:56Waning Crescent17Tue
18Wed2:232.412:494.36:461.59:32-0.27:264:56New Moon18Wed
19Thu3:152.41:324.57:421.610:17-0.37:264:57New Moon19Thu
20Fri4:052.52:204.58:451.611:00-0.47:274:57New Moon20Fri
21Sat4:532.73:114.59:471.611:43-0.47:274:58New Moon21Sat
22Sun5:392.84:054.310:491.57:284:58Waxing Crescent22Sun
23Mon6:243.15:044.012:25-0.311:52 AM1.47:284:59Waxing Crescent23Mon
24Tue7:103.36:093.71:07-0.212:591.47:284:59Waxing Crescent24Tue
25Wed7:573.57:253.31:510.02:121.37:295:00First Quarter25Wed
26Thu8:473.88:482.92:350.23:291.17:295:01First Quarter26Thu
27Fri9:374.010:122.73:220.54:460.97:295:01First Quarter27Fri
28Sat10:264.211:302.64:100.85:580.67:305:02Waxing Gibbous28Sat
29Sun11:134.34:591.07:020.27:305:03Waxing Gibbous29Sun
30Mon12:382.611:57 AM4.45:501.27:58-0.17:305:03Waxing Gibbous30Mon
31Tue1:392.712:374.46:411.58:44-0.27:305:04Waxing Gibbous31Tue
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9415316)

Common Questions About Rio Vista, CA Tides

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Is this week a spring tide or neap tide in Rio Vista, CA?

Rio Vista, CA is currently in a spring phase. Tonight's moon is 18% 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 Rio Vista, 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 Rio Vista, CA?

Tide predictions for Rio Vista, 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 Rio Vista, CA?

Tide data for Rio Vista, CA is sourced from NOAA Station #9415316. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9415316.

What is the moon phase in Rio Vista, CA tonight?

Tonight the moon over Rio Vista, CA is Waxing Crescent (18% illuminated). This places Rio Vista, 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