Tides Today & Tomorrow in Rio Vista, CA

TIDE TIMES for Monday, June 29, 2026
The tide is currently rising in Rio Vista, CA.
Next low tide : 11:29 am (-0.5 ft)
Next high tide : in 4h 53m at 2:57 am (4.2 ft)
Sunset today : 8:33 pm
Sunrise tomorrow : 5:46 am
Moon phase : Full Moon (99% illuminated)
Tide Station Location : Station #9415316
Common Questions About Tides

Rio Vista, CA Tides - May 2043

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri8:073.311:203.03:221.84:450.26:097:57Third Quarter1Fri
2Sat9:163.14:321.65:340.36:087:58Third Quarter2Sat
3Sun12:003.210:45 AM2.95:431.46:210.46:077:59Third Quarter3Sun
4Mon12:353.312:142.86:501.17:050.66:068:00Waning Crescent4Mon
5Tue1:063.51:262.87:530.87:480.76:058:01Waning Crescent5Tue
6Wed1:373.72:302.78:540.48:290.96:048:02Waning Crescent6Wed
7Thu2:084.03:312.79:520.09:111.16:038:03New Moon7Thu
8Fri2:434.24:342.610:48-0.39:561.36:028:04New Moon8Fri
9Sat3:214.45:402.511:42-0.510:441.56:018:05New Moon9Sat
10Sun4:034.56:472.612:35-0.66:008:06Waxing Crescent10Sun
11Mon4:484.47:512.71:27-0.75:598:07Waxing Crescent11Mon
12Tue5:374.28:502.912:331.72:18-0.65:588:07Waxing Crescent12Tue
13Wed6:303.99:443.01:351.73:10-0.55:578:08Waxing Crescent13Wed
14Thu7:323.510:353.32:441.74:01-0.35:568:09First Quarter14Thu
15Fri8:463.211:243.53:581.64:52-0.25:558:10First Quarter15Fri
16Sat10:122.85:111.45:400.15:548:11First Quarter16Sat
17Sun12:093.711:34 AM2.76:211.16:250.35:548:12First Quarter17Sun
18Mon12:493.812:452.67:240.87:060.55:538:13Waxing Gibbous18Mon
19Tue1:263.91:482.58:220.47:440.85:528:14Waxing Gibbous19Tue
20Wed1:584.02:452.59:150.18:191.15:518:14Waxing Gibbous20Wed
21Thu2:274.03:402.510:04-0.18:511.35:518:15Waxing Gibbous21Thu
22Fri2:524.04:342.510:49-0.39:241.55:508:16Full Moon22Fri
23Sat3:134.05:282.511:30-0.410:001.75:498:17Full Moon23Sat
24Sun3:354.16:202.612:10-0.55:498:18Full Moon24Sun
25Mon4:014.17:082.712:46-0.55:488:18Full Moon25Mon
26Tue4:354.07:512.81:22-0.45:488:19Waning Gibbous26Tue
27Wed5:143.98:322.912:151.81:56-0.45:478:20Waning Gibbous27Wed
28Thu5:593.89:113.01:051.82:32-0.35:478:21Waning Gibbous28Thu
29Fri6:503.69:483.12:001.73:10-0.15:468:21Waning Gibbous29Fri
30Sat7:473.310:253.33:011.73:510.05:468:22Third Quarter30Sat
31Sun8:553.011:013.54:081.54:330.25:458:23Third Quarter31Sun
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 7:13 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 99% 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 Full Moon (99% 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