Tides Today & Tomorrow in Rio Vista, CA

TIDE TIMES for Wednesday, June 24, 2026
The tide is currently falling in Rio Vista, CA.
Next low tide : in 4h 37m at 6:09 pm (1.2 ft)
Next high tide (tomorrow) : 12:46 am (4.3 ft)
Sunset today : 8:33 pm
Sunrise tomorrow : 5:44 am
Moon phase : Waxing Gibbous (77% illuminated)
Tide Station Location : Station #9415316
Common Questions About Tides

Rio Vista, CA Tides - Apr 2012

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun12:403.111:26 AM3.26:111.47:080.76:507:30Waxing Gibbous1Sun
2Mon1:183.212:383.27:131.27:530.86:487:31Waxing Gibbous2Mon
3Tue1:513.31:393.38:111.08:350.86:477:32Waxing Gibbous3Tue
4Wed2:193.52:343.39:070.79:150.96:457:33Waxing Gibbous4Wed
5Thu2:473.73:283.310:000.49:541.06:447:34Full Moon5Thu
6Fri3:183.94:233.210:530.110:341.16:427:34Full Moon6Fri
7Sat3:534.15:203.111:45-0.111:161.16:417:35Full Moon7Sat
8Sun4:334.26:203.112:37-0.26:407:36Waning Gibbous8Sun
9Mon5:174.27:223.012:011.21:30-0.26:387:37Waning Gibbous9Mon
10Tue6:054.18:253.012:501.32:26-0.26:377:38Waning Gibbous10Tue
11Wed6:593.99:273.11:471.43:23-0.26:357:39Third Quarter11Wed
12Thu8:023.610:293.22:521.54:22-0.16:347:40Third Quarter12Thu
13Fri9:203.311:273.44:051.55:200.06:327:41Third Quarter13Fri
14Sat10:463.15:201.36:140.16:317:42Third Quarter14Sat
15Sun12:193.612:053.06:301.17:050.26:297:43Waning Crescent15Sun
16Mon1:053.71:123.07:340.97:510.46:287:44Waning Crescent16Mon
17Tue1:473.92:093.08:320.68:340.66:277:45Waning Crescent17Tue
18Wed2:233.93:012.99:240.49:140.86:257:46Waning Crescent18Wed
19Thu2:564.03:512.910:120.29:501.06:247:47New Moon19Thu
20Fri3:264.04:412.910:560.010:251.16:237:48New Moon20Fri
21Sat3:523.95:312.811:38-0.110:581.36:217:48New Moon21Sat
22Sun4:183.96:212.812:17-0.16:207:49New Moon22Sun
23Mon4:443.97:102.912:55-0.16:197:50Waxing Crescent23Mon
24Tue5:143.97:582.912:101.41:32-0.16:177:51Waxing Crescent24Tue
25Wed5:513.88:462.912:521.52:090.06:167:52Waxing Crescent25Wed
26Thu6:333.79:343.01:401.52:480.16:157:53Waxing Crescent26Thu
27Fri7:213.510:203.02:341.53:310.26:147:54First Quarter27Fri
28Sat8:173.311:053.13:351.54:180.36:127:55First Quarter28Sat
29Sun9:253.011:463.24:421.45:070.56:117:56First Quarter29Sun
30Mon10:482.95:491.25:550.66:107:57First Quarter30Mon
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 9:27 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 Rio Vista, CA?

Rio Vista, CA is currently in a transitional phase. Tonight's moon is 77% 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 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 (77% illuminated). This places Rio Vista, 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