Tides Today & Tomorrow in Rio Vista, CA

TIDE TIMES for Monday, June 22, 2026
The tide is currently rising in Rio Vista, CA.
Next low tide (tomorrow) : 6:32 am (0.7 ft)
Next high tide : in 6h 36m at 11:26 pm (4.1 ft)
Sunset today : 8:33 pm
Sunrise tomorrow : 5:44 am
Moon phase : First Quarter (59% illuminated)
Tide Station Location : Station #9415316
Common Questions About Tides

Rio Vista, CA Tides - Jun 2015

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon2:403.94:412.610:54-0.19:411.55:458:23Full Moon1Mon
2Tue3:054.05:272.611:34-0.310:271.55:448:24Full Moon2Tue
3Wed3:394.16:112.812:12-0.35:448:25Full Moon3Wed
4Thu4:194.16:542.912:50-0.45:448:25Waning Gibbous4Thu
5Fri5:054.17:373.112:041.51:28-0.45:448:26Waning Gibbous5Fri
6Sat5:564.08:213.212:571.42:09-0.35:438:27Waning Gibbous6Sat
7Sun6:523.79:073.41:561.42:53-0.25:438:27Waning Gibbous7Sun
8Mon7:563.49:553.63:031.33:400.05:438:28Third Quarter8Mon
9Tue9:143.110:453.84:171.24:300.25:438:28Third Quarter9Tue
10Wed10:442.811:354.05:330.95:230.45:438:29Third Quarter10Wed
11Thu12:092.66:460.66:160.65:438:29Waning Crescent11Thu
12Fri12:234.21:222.67:530.37:100.85:438:30Waning Crescent12Fri
13Sat1:084.32:282.68:540.08:031.15:438:30Waning Crescent13Sat
14Sun1:514.43:292.79:49-0.38:581.35:438:31Waning Crescent14Sun
15Mon2:324.44:272.810:40-0.59:511.45:438:31New Moon15Mon
16Tue3:124.35:232.911:26-0.610:421.55:438:31New Moon16Tue
17Wed3:524.26:153.012:09-0.65:438:32New Moon17Wed
18Thu4:324.17:033.212:48-0.55:438:32Waxing Crescent18Thu
19Fri5:154.07:483.312:201.71:26-0.45:438:32Waxing Crescent19Fri
20Sat6:013.78:303.41:101.72:01-0.25:438:32Waxing Crescent20Sat
21Sun6:523.59:133.52:021.62:360.05:438:33Waxing Crescent21Sun
22Mon7:503.29:563.63:001.63:100.25:448:33First Quarter22Mon
23Tue8:592.910:393.74:031.53:460.45:448:33First Quarter23Tue
24Wed10:172.611:223.85:101.34:250.75:448:33First Quarter24Wed
25Thu11:342.56:161.15:060.95:458:33First Quarter25Thu
26Fri12:023.912:442.47:180.85:491.15:458:33Waxing Gibbous26Fri
27Sat12:383.91:462.48:140.66:351.35:458:33Waxing Gibbous27Sat
28Sun1:084.02:422.59:050.37:231.55:468:33Waxing Gibbous28Sun
29Mon1:364.13:322.69:510.18:151.65:468:33Waxing Gibbous29Mon
30Tue2:054.14:192.710:330.09:101.75:468:33Full Moon30Tue
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 2:59 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 neap phase. Tonight's moon is 59% 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 minimum.

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 First Quarter (59% illuminated). This places Rio Vista, CA in a neap tide cycle, so tidal ranges are near their weekly minimum 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