38.1450’ N, 121.6920’ W

Rio Vista, CA

68°
H 68°
L 44°
W
6mph
High tide
4:10 pm

Tides Today & Tomorrow in Rio Vista, CA

TIDE TIMES for Tuesday, October 27, 2026
The tide is currently rising in Rio Vista, CA.
Next low tide (tomorrow) : 12:30 am (-0.2 ft)
Next high tide : in 59m at 4:10 pm (4.4 ft)
Sunset today : 6:13 pm
Sunrise tomorrow : 7:27 am
Moon phase : Full Moon (96% illuminated)
Tide Station Location : Station #9415316
Common Questions About Tides

Rio Vista, CA Tides - Nov 1812

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun1:263.01:533.87:540.58:450.36:405:14Waning Crescent1Sun
2Mon2:133.02:213.88:270.79:290.16:415:13New Moon2Mon
3Tue2:592.92:453.88:570.810:110.16:425:12New Moon3Tue
4Wed3:442.83:053.89:251.010:510.06:435:11New Moon4Wed
5Thu4:302.83:233.89:551.111:300.06:445:10New Moon5Thu
6Fri5:182.73:483.910:281.26:455:09Waxing Crescent6Fri
7Sat6:062.74:213.912:080.011:06 AM1.36:465:08Waxing Crescent7Sat
8Sun6:572.75:013.812:480.111:50 AM1.46:475:07Waxing Crescent8Sun
9Mon7:492.75:483.71:310.112:421.56:485:06Waxing Crescent9Mon
10Tue8:432.86:433.42:200.21:451.56:495:06First Quarter10Tue
11Wed9:352.97:503.23:130.22:591.56:515:05First Quarter11Wed
12Thu10:253.19:183.04:080.24:171.36:525:04First Quarter12Thu
13Fri11:093.310:512.95:010.35:291.06:535:03First Quarter13Fri
14Sat11:503.65:510.36:350.76:545:02Waxing Gibbous14Sat
15Sun12:052.912:293.86:390.47:360.46:555:02Waxing Gibbous15Sun
16Mon1:072.91:064.07:250.68:340.16:565:01Waxing Gibbous16Mon
17Tue2:052.91:444.28:110.79:29-0.26:575:00Full Moon17Tue
18Wed3:022.92:224.38:570.910:21-0.46:584:59Full Moon18Wed
19Thu4:002.83:034.39:441.011:12-0.56:594:59Full Moon19Thu
20Fri5:002.83:454.310:321.17:004:58Waning Gibbous20Fri
21Sat6:012.84:314.112:02-0.511:23 AM1.37:014:58Waning Gibbous21Sat
22Sun7:022.95:203.912:51-0.412:181.47:024:57Waning Gibbous22Sun
23Mon8:003.06:173.61:41-0.31:201.57:034:57Waning Gibbous23Mon
24Tue8:573.27:243.22:32-0.22:271.57:054:56Third Quarter24Tue
25Wed9:513.38:443.03:230.03:381.47:064:56Third Quarter25Wed
26Thu10:413.510:032.84:130.14:471.27:074:55Third Quarter26Thu
27Fri11:273.711:142.85:010.35:510.97:084:55Third Quarter27Fri
28Sat12:083.85:450.46:480.67:094:55Waning Crescent28Sat
29Sun12:152.712:443.96:260.67:410.47:104:55Waning Crescent29Sun
30Mon1:102.71:164.07:040.88:290.17:114:54Waning Crescent30Mon
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 96% 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 Full Moon (96% 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