38.1450’ N, 121.6920’ W

Rio Vista, CA

57°
H 74°
L 44°
WNW
4mph
High tide
12:47 pm

Tides Today & Tomorrow in Rio Vista, CA

TIDE TIMES for Thursday, November 5, 2026
The tide is currently rising in Rio Vista, CA.
Next low tide : 7:35 pm (0.3 ft)
Next high tide : in 3h 26m at 12:47 pm (3.9 ft)
Sunset today : 5:03 pm
Sunrise tomorrow : 6:37 am
Moon phase : Waning Crescent (12% illuminated)
Tide Station Location : Station #9415316
Common Questions About Tides

Rio Vista, CA Tides - Jun 1795

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon2:044.03:442.69:58-0.28:481.54:517:30Full Moon1Mon
2Tue2:254.04:342.610:38-0.39:261.64:517:31Full Moon2Tue
3Wed2:474.05:212.711:16-0.310:071.64:517:32Full Moon3Wed
4Thu3:164.06:052.811:51-0.310:501.74:507:32Waning Gibbous4Thu
5Fri3:524.06:472.912:26-0.34:507:33Waning Gibbous5Fri
6Sat4:343.97:283.01:01-0.34:507:33Waning Gibbous6Sat
7Sun5:223.88:083.212:271.61:38-0.24:507:34Waning Gibbous7Sun
8Mon6:153.68:493.31:241.62:20-0.14:497:34Third Quarter8Mon
9Tue7:173.39:323.52:301.53:060.14:497:35Third Quarter9Tue
10Wed8:343.010:153.73:441.33:550.34:497:36Third Quarter10Wed
11Thu10:082.810:583.94:591.14:450.54:497:36Third Quarter11Thu
12Fri11:332.611:404.16:110.75:350.74:497:36Waning Crescent12Fri
13Sat12:472.67:180.46:270.94:497:37Waning Crescent13Sat
14Sun12:224.31:532.68:190.07:211.24:497:37Waning Crescent14Sun
15Mon1:044.52:572.69:15-0.38:171.44:497:38New Moon15Mon
16Tue1:464.53:592.710:07-0.59:131.54:497:38New Moon16Tue
17Wed2:304.55:002.810:56-0.610:091.64:497:38New Moon17Wed
18Thu3:154.45:563.011:42-0.711:041.74:497:39Waxing Crescent18Thu
19Fri4:024.26:483.212:25-0.64:507:39Waxing Crescent19Fri
20Sat4:514.07:363.31:08-0.54:507:39Waxing Crescent20Sat
21Sun5:463.78:223.512:571.71:49-0.34:507:39Waxing Crescent21Sun
22Mon6:473.49:073.71:581.72:310.04:507:40First Quarter22Mon
23Tue7:593.09:533.83:051.63:130.24:507:40First Quarter23Tue
24Wed9:172.810:373.94:131.43:550.54:517:40First Quarter24Wed
25Thu10:332.611:194.05:201.14:380.84:517:40First Quarter25Thu
26Fri11:442.511:574.16:220.85:191.04:517:40Waxing Gibbous26Fri
27Sat12:472.57:190.56:011.24:527:40Waxing Gibbous27Sat
28Sun12:324.11:452.68:110.26:431.44:527:40Waxing Gibbous28Sun
29Mon1:024.12:392.68:570.07:271.64:537:40Waxing Gibbous29Mon
30Tue1:284.13:292.79:39-0.18:131.74:537:40Full Moon30Tue
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 12% 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 Waning Crescent (12% 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