38.1450’ N, 121.6920’ W

Rio Vista, CA

54°
H -°
L 48°
NNW
10mph
High tide
10:55 pm

Tides Today & Tomorrow in Rio Vista, CA

TIDE TIMES for Tuesday, November 3, 2026
The tide is currently rising in Rio Vista, CA.
Next low tide (tomorrow) : 5:56 am (0.2 ft)
Next high tide : in 2h 41m at 10:55 pm (3.0 ft)
Sunset today : 5:05 pm
Sunrise tomorrow : 6:35 am
Moon phase : Waning Crescent (29% illuminated)
Tide Station Location : Station #9415316
Common Questions About Tides

Rio Vista, CA Tides - Sep 1802

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed5:363.25:303.912:171.211:42 AM0.95:426:44Waxing Crescent1Wed
2Thu6:302.96:004.01:071.212:131.15:436:43Waxing Crescent2Thu
3Fri7:422.66:394.12:081.112:511.45:446:41First Quarter3Fri
4Sat9:102.57:264.13:221.11:391.65:456:40First Quarter4Sat
5Sun10:342.58:254.04:360.92:391.85:466:38First Quarter5Sun
6Mon11:432.69:384.05:420.63:541.95:476:37First Quarter6Mon
7Tue12:362.86:390.45:161.85:486:35Waxing Gibbous7Tue
8Wed1:193.07:290.26:311.75:486:33Waxing Gibbous8Wed
9Thu12:144.11:563.28:130.27:381.45:496:32Waxing Gibbous9Thu
10Fri1:154.12:313.48:550.28:381.15:506:30Full Moon10Fri
11Sat2:114.13:053.69:330.29:350.95:516:29Full Moon11Sat
12Sun3:053.93:403.910:100.410:300.75:526:27Full Moon12Sun
13Mon4:003.74:154.110:450.511:260.65:536:26Waning Gibbous13Mon
14Tue4:573.44:534.211:200.85:546:24Waning Gibbous14Tue
15Wed6:003.15:324.312:230.511:55 AM1.05:546:23Waning Gibbous15Wed
16Thu7:092.96:154.21:240.512:351.35:556:21Waning Gibbous16Thu
17Fri8:252.77:034.12:300.41:221.55:566:19Third Quarter17Fri
18Sat9:412.78:013.93:380.42:241.85:576:18Third Quarter18Sat
19Sun10:522.99:133.74:440.23:371.95:586:16Third Quarter19Sun
20Mon11:513.110:293.65:420.14:501.85:596:15Waning Crescent20Mon
21Tue12:383.36:320.15:571.76:006:13Waning Crescent21Tue
22Wed1:193.57:170.16:551.56:016:12Waning Crescent22Wed
23Thu12:323.61:543.67:550.27:471.36:016:10Waning Crescent23Thu
24Fri1:203.62:263.68:290.38:341.16:026:08Waning Crescent24Fri
25Sat2:033.52:533.78:590.59:180.96:036:07New Moon25Sat
26Sun2:443.43:153.79:240.710:000.86:046:05New Moon26Sun
27Mon3:253.33:313.79:460.810:400.76:056:04New Moon27Mon
28Tue4:063.13:453.810:060.911:200.76:066:02New Moon28Tue
29Wed4:502.94:054.010:301.16:076:01Waxing Crescent29Wed
30Thu5:402.84:354.112:020.611:01 AM1.26:085:59Waxing Crescent30Thu
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 transitional phase. Tonight's moon is 29% 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 Waning Crescent (29% 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