38.1450’ N, 121.6920’ W

Rio Vista, CA

80°
H 80°
L 57°
W
10mph
High tide
5:48 pm

Tides Today & Tomorrow in Rio Vista, CA

TIDE TIMES for Sunday, September 13, 2026
The tide is currently rising in Rio Vista, CA.
Next low tide (tomorrow) : 1:05 am (0.7 ft)
Next high tide : in 2h 48m at 5:48 pm (4.0 ft)
Sunset today : 7:18 pm
Sunrise tomorrow : 6:47 am
Moon phase : Waxing Crescent (8% illuminated)
Tide Station Location : Station #9415316
Common Questions About Tides

Rio Vista, CA Tides - Jul 1885

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed4:493.77:093.412:460.04:477:33Waning Gibbous1Wed
2Thu5:333.57:433.512:421.61:150.14:477:33Waning Gibbous2Thu
3Fri6:213.38:173.61:351.61:480.34:487:33Third Quarter3Fri
4Sat7:203.08:523.82:381.62:260.54:487:33Third Quarter4Sat
5Sun8:422.79:313.93:501.43:100.74:497:32Third Quarter5Sun
6Mon10:212.510:144.15:041.23:581.04:497:32Third Quarter6Mon
7Tue11:432.511:004.36:130.94:511.24:507:32Waning Crescent7Tue
8Wed12:512.57:160.65:491.44:517:32Waning Crescent8Wed
9Thu1:522.68:120.26:531.54:517:31Waning Crescent9Thu
10Fri12:374.62:482.79:030.08:001.64:527:31New Moon10Fri
11Sat1:274.63:402.99:51-0.29:031.64:537:31New Moon11Sat
12Sun2:184.64:313.110:36-0.310:031.54:537:30New Moon12Sun
13Mon3:104.55:203.311:19-0.311:011.44:547:30Waxing Crescent13Mon
14Tue4:044.36:063.512:00-0.34:557:29Waxing Crescent14Tue
15Wed5:014.16:533.712:41-0.14:557:29Waxing Crescent15Wed
16Thu6:013.77:393.912:591.31:220.14:567:28Waxing Crescent16Thu
17Fri7:073.48:274.02:021.22:040.44:577:28First Quarter17Fri
18Sat8:193.19:174.13:091.12:480.64:587:27First Quarter18Sat
19Sun9:352.910:074.24:181.03:360.94:587:26First Quarter19Sun
20Mon10:492.810:564.25:250.74:271.24:597:26First Quarter20Mon
21Tue11:572.811:434.36:270.45:191.45:007:25Waxing Gibbous21Tue
22Wed12:572.97:220.26:131.55:017:24Waxing Gibbous22Wed
23Thu12:264.31:503.08:110.07:051.65:027:24Waxing Gibbous23Thu
24Fri1:064.32:383.18:55-0.17:561.75:027:23Waxing Gibbous24Fri
25Sat1:424.23:223.29:34-0.18:441.75:037:22Full Moon25Sat
26Sun2:174.24:023.310:10-0.19:281.75:047:21Full Moon26Sun
27Mon2:514.14:393.410:430.010:111.75:057:20Full Moon27Mon
28Tue3:244.05:123.411:130.110:511.65:067:19Full Moon28Tue
29Wed3:593.95:423.511:400.211:321.65:077:18Waning Gibbous29Wed
30Thu4:363.86:093.612:070.35:077:18Waning Gibbous30Thu
31Fri5:193.66:353.812:141.512:350.45:087:17Waning Gibbous31Fri
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9415316)

Common Questions About Rio Vista, CA Tides

Collapse All
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 8% 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 (8% 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