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 : 7:36 pm (1.7 ft)
Next high tide : in 1h 44m at 3:06 pm (2.5 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 - Feb 2009

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun7:034.08:042.81:160.92:341.37:105:29First Quarter1Sun
2Mon7:494.19:432.61:591.24:021.17:105:31First Quarter2Mon
3Tue8:444.211:112.62:511.45:240.97:095:32First Quarter3Tue
4Wed9:474.33:541.66:340.67:085:33Waxing Gibbous4Wed
5Thu12:242.710:55 AM4.35:061.77:330.37:075:34Waxing Gibbous5Thu
6Fri1:222.812:024.46:211.78:250.17:065:35Waxing Gibbous6Fri
7Sat2:123.01:034.47:301.69:110.07:055:36Waxing Gibbous7Sat
8Sun2:573.21:594.48:341.49:540.07:045:37Full Moon8Sun
9Mon3:393.42:534.39:321.310:330.17:035:38Full Moon9Mon
10Tue4:183.63:464.110:261.111:090.37:015:40Full Moon10Tue
11Wed4:573.74:393.911:191.011:430.57:005:41Waning Gibbous11Wed
12Thu5:343.85:353.612:121.06:595:42Waning Gibbous12Thu
13Fri6:113.96:343.412:160.71:080.96:585:43Waning Gibbous13Fri
14Sat6:504.07:403.112:480.92:080.96:575:44Waning Gibbous14Sat
15Sun7:314.08:502.91:221.23:130.86:565:45Third Quarter15Sun
16Mon8:174.010:042.82:031.54:210.76:545:46Third Quarter16Mon
17Tue9:123.911:132.92:551.75:250.66:535:47Third Quarter17Tue
18Wed10:143.93:581.86:230.46:525:48Third Quarter18Wed
19Thu12:133.011:17 AM3.85:051.97:140.36:515:49Waning Crescent19Thu
20Fri1:043.112:133.86:091.97:580.36:495:50Waning Crescent20Fri
21Sat1:473.31:013.87:071.78:380.36:485:51Waning Crescent21Sat
22Sun2:253.31:433.87:591.69:130.46:475:53Waning Crescent22Sun
23Mon2:573.42:223.88:451.59:440.56:455:54New Moon23Mon
24Tue3:253.42:593.89:281.310:120.66:445:55New Moon24Tue
25Wed3:483.53:373.710:081.210:380.76:435:56New Moon25Wed
26Thu4:073.64:173.610:481.111:040.86:415:57New Moon26Thu
27Fri4:293.85:033.411:291.011:330.96:405:58Waxing Crescent27Fri
28Sat4:584.05:563.212:150.96:395:59Waxing Crescent28Sat
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 5:21 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 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