Tides Today & Tomorrow in Rio Vista, CA

TIDE TIMES for Friday, June 26, 2026
The tide is currently rising in Rio Vista, CA.
Next low tide : 9:25 am (-0.2 ft)
Next high tide : in 46m at 1:22 am (4.3 ft)
Sunset today : 8:33 pm
Sunrise tomorrow : 5:45 am
Moon phase : Waxing Gibbous (91% illuminated)
Tide Station Location : Station #9415316
Common Questions About Tides

Rio Vista, CA Tides - Mar 2039

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue7:353.89:232.91:431.33:241.16:385:59First Quarter1Tue
2Wed8:183.810:342.82:281.54:331.06:366:01First Quarter2Wed
3Thu9:093.711:402.93:231.75:380.86:356:02First Quarter3Thu
4Fri10:093.74:251.86:350.76:336:03First Quarter4Fri
5Sat12:363.011:09 AM3.75:281.87:240.66:326:04Waxing Gibbous5Sat
6Sun1:243.112:033.76:281.78:070.56:306:05Waxing Gibbous6Sun
7Mon2:043.212:523.87:231.68:450.56:296:06Waxing Gibbous7Mon
8Tue2:373.21:373.98:141.49:200.56:276:07Waxing Gibbous8Tue
9Wed3:053.22:233.99:021.29:530.66:266:07Full Moon9Wed
10Thu3:303.33:094.09:471.010:250.66:246:08Full Moon10Thu
11Fri3:543.53:583.910:330.810:560.76:236:09Full Moon11Fri
12Sat4:213.74:513.811:210.711:280.86:216:10Waning Gibbous12Sat
13Sun5:533.96:483.51:140.67:207:11Waning Gibbous13Sun
14Mon6:334.17:533.31:040.92:130.57:187:12Waning Gibbous14Mon
15Tue7:184.19:053.11:451.13:200.57:177:13Third Quarter15Tue
16Wed8:104.110:222.92:341.34:330.57:157:14Third Quarter16Wed
17Thu9:124.011:373.03:361.55:440.47:147:15Third Quarter17Thu
18Fri10:273.84:501.66:500.27:127:16Third Quarter18Fri
19Sat12:443.111:48 AM3.76:081.67:480.17:117:17Waning Crescent19Sat
20Sun1:403.31:003.77:201.58:400.17:097:18Waning Crescent20Sun
21Mon2:283.42:013.78:241.39:260.17:087:19Waning Crescent21Mon
22Tue3:103.62:543.69:221.110:080.27:067:20Waning Crescent22Tue
23Wed3:483.73:433.610:131.010:450.37:057:21New Moon23Wed
24Thu4:233.74:313.511:000.811:200.57:037:22New Moon24Thu
25Fri4:543.75:203.411:450.711:510.77:027:23New Moon25Fri
26Sat5:243.86:113.312:280.67:007:24Waxing Crescent26Sat
27Sun5:513.87:043.112:200.91:110.66:587:25Waxing Crescent27Sun
28Mon6:183.88:013.012:491.11:560.56:577:26Waxing Crescent28Mon
29Tue6:473.89:032.91:211.32:460.56:557:27Waxing Crescent29Tue
30Wed7:213.810:072.82:011.53:410.66:547:27Waxing Crescent30Wed
31Thu8:023.611:102.92:511.64:420.66:527:28First Quarter31Thu
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9415316)

Common Questions About Rio Vista, CA Tides

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What time does the tide turn (slack tide) in Rio Vista, CA today?

Slack tide in Rio Vista, CA is approximately 5:23 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 Rio Vista, CA?

Rio Vista, CA is currently in a spring phase. Tonight's moon is 91% 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 Gibbous (91% 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