38.1450’ N, 121.6920’ W

Rio Vista, CA

82°
H -°
L 74°
WSW
11mph
High tide
3:04 am

Tides Today & Tomorrow in Rio Vista, CA

TIDE TIMES for Thursday, September 10, 2026
The tide is currently rising in Rio Vista, CA.
Next low tide : 10:27 am (0.2 ft)
Next high tide : in 2h 23m at 3:04 am (4.0 ft)
Sunset today : 7:22 pm
Sunrise tomorrow : 6:44 am
Moon phase : New Moon (0% illuminated)
Tide Station Location : Station #9415316
Common Questions About Tides

Rio Vista, CA Tides - Jul 1890

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue1:044.53:372.69:49-0.38:101.84:477:33Full Moon1Tue
2Wed1:504.64:312.710:34-0.49:171.84:477:33Full Moon2Wed
3Thu2:394.65:212.911:19-0.510:211.84:487:33Full Moon3Thu
4Fri3:324.56:083.112:02-0.54:487:33Waning Gibbous4Fri
5Sat4:284.36:543.312:44-0.44:497:33Waning Gibbous5Sat
6Sun5:284.07:403.612:261.61:27-0.34:497:32Waning Gibbous6Sun
7Mon6:363.68:263.81:331.52:110.04:507:32Third Quarter7Mon
8Tue7:523.29:144.02:451.42:560.24:517:32Third Quarter8Tue
9Wed9:142.910:024.24:001.23:420.54:517:31Third Quarter9Wed
10Thu10:352.710:494.35:130.94:300.84:527:31Third Quarter10Thu
11Fri11:502.611:334.46:210.65:181.14:527:31Waning Crescent11Fri
12Sat12:562.77:220.26:071.34:537:30Waning Crescent12Sat
13Sun12:144.51:572.78:160.06:571.64:547:30Waning Crescent13Sun
14Mon12:524.52:522.89:03-0.27:471.84:557:29Waning Crescent14Mon
15Tue1:284.53:433.09:45-0.38:371.94:557:29New Moon15Tue
16Wed2:044.44:293.110:24-0.49:241.94:567:28New Moon16Wed
17Thu2:394.35:123.210:58-0.310:101.94:577:28New Moon17Thu
18Fri3:164.35:503.311:30-0.210:541.94:577:27New Moon18Fri
19Sat3:544.16:243.411:58-0.111:381.84:587:26Waxing Crescent19Sat
20Sun4:354.06:563.412:240.14:597:26Waxing Crescent20Sun
21Mon5:183.87:263.512:231.812:480.25:007:25Waxing Crescent21Mon
22Tue6:053.57:543.61:131.71:150.45:017:24Waxing Crescent22Tue
23Wed6:593.28:213.72:111.71:470.65:017:24First Quarter23Wed
24Thu8:092.98:523.83:191.62:240.95:027:23First Quarter24Thu
25Fri9:402.69:304.04:341.43:071.15:037:22First Quarter25Fri
26Sat11:082.510:154.25:451.13:551.45:047:21First Quarter26Sat
27Sun12:232.56:500.74:481.65:057:20Waxing Gibbous27Sun
28Mon1:262.67:480.45:481.85:067:20Waxing Gibbous28Mon
29Tue2:222.78:400.16:581.85:067:19Waxing Gibbous29Tue
30Wed12:504.63:132.99:28-0.18:111.85:077:18Full Moon30Wed
31Thu1:444.64:003.010:12-0.39:181.85:087:17Full Moon31Thu
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9415316)

Common Questions About Rio Vista, CA Tides

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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 0% 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 New Moon (0% 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