38.1450’ N, 121.6920’ W

Rio Vista, CA

49°
H -°
L 44°
NNW
2mph
High tide
6:22 am

Tides Today & Tomorrow in Rio Vista, CA

TIDE TIMES for Thursday, November 12, 2026
The tide is currently rising in Rio Vista, CA.
Next low tide : 10:49 am (1.7 ft)
Next high tide : in 5h 29m at 6:22 am (2.6 ft)
Sunset today : 4:57 pm
Sunrise tomorrow : 6:44 am
Moon phase : Waxing Crescent (11% illuminated)
Tide Station Location : Station #9415316
Common Questions About Tides

Rio Vista, CA Tides - Aug 1756

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun6:183.67:153.91:161.41:090.55:167:22Waxing Crescent1Sun
2Mon7:233.37:594.02:221.31:510.75:177:21First Quarter2Mon
3Tue8:453.08:514.23:371.22:401.05:187:20First Quarter3Tue
4Wed10:122.89:504.34:531.03:371.25:197:19First Quarter4Wed
5Thu11:312.810:514.46:030.74:411.45:197:18Waxing Gibbous5Thu
6Fri12:392.97:050.35:511.55:207:17Waxing Gibbous6Fri
7Sat1:383.08:020.17:021.65:217:16Waxing Gibbous7Sat
8Sun12:464.52:303.28:52-0.18:071.65:227:15Full Moon8Sun
9Mon1:394.53:193.39:39-0.29:081.55:237:14Full Moon9Mon
10Tue2:294.44:053.510:22-0.210:041.55:247:12Full Moon10Tue
11Wed3:194.24:493.611:02-0.110:571.45:257:11Full Moon11Wed
12Thu4:104.05:313.711:400.111:491.45:267:10Waning Gibbous12Thu
13Fri5:043.86:123.812:170.35:277:09Waning Gibbous13Fri
14Sat6:013.56:533.912:421.312:530.55:277:07Waning Gibbous14Sat
15Sun7:043.37:363.91:401.31:300.85:287:06Third Quarter15Sun
16Mon8:143.08:224.02:441.32:101.05:297:05Third Quarter16Mon
17Tue9:282.99:124.03:511.12:581.35:307:04Third Quarter17Tue
18Wed10:412.810:064.04:590.93:521.55:317:02Third Quarter18Wed
19Thu11:472.911:004.06:010.74:511.65:327:01Waning Crescent19Thu
20Fri12:443.06:550.55:491.65:337:00Waning Crescent20Fri
21Sat1:343.27:420.46:451.65:346:58Waning Crescent21Sat
22Sun12:344.02:173.28:230.37:371.65:346:57Waning Crescent22Sun
23Mon1:144.02:553.39:000.38:261.55:356:55Waning Crescent23Mon
24Tue1:514.03:283.39:340.39:111.45:366:54New Moon24Tue
25Wed2:274.03:563.410:040.49:541.35:376:53New Moon25Wed
26Thu3:054.04:193.510:320.410:361.25:386:51New Moon26Thu
27Fri3:454.04:413.610:590.511:191.15:396:50Waxing Crescent27Fri
28Sat4:303.95:073.811:280.65:406:48Waxing Crescent28Sat
29Sun5:203.75:404.012:061.112:000.75:416:47Waxing Crescent29Sun
30Mon6:193.46:224.11:011.012:390.85:416:45Waxing Crescent30Mon
31Tue7:293.27:124.12:061.01:251.05:426:44First Quarter31Tue
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 11% 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 Crescent (11% 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