38.1450’ N, 121.6920’ W

Rio Vista, CA

57°
H 61°
L 45°
SSE
10mph
High tide
7:14 am

Tides Today & Tomorrow in Rio Vista, CA

TIDE TIMES for Friday, November 13, 2026
The tide is currently rising in Rio Vista, CA.
Next low tide : 11:37 am (1.7 ft)
Next high tide : in 1h 01m at 7:14 am (2.7 ft)
Sunset today : 4:56 pm
Sunrise tomorrow : 6:45 am
Moon phase : Waxing Crescent (18% illuminated)
Tide Station Location : Station #9415316
Common Questions About Tides

Rio Vista, CA Tides - Oct 1747

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun12:443.41:493.47:510.57:591.06:095:57Waning Crescent1Sun
2Mon1:293.42:093.58:220.68:460.86:105:55New Moon2Mon
3Tue2:123.42:273.78:500.79:320.66:115:54New Moon3Tue
4Wed2:573.32:483.99:170.810:190.46:125:52New Moon4Wed
5Thu3:453.23:164.19:461.011:080.26:135:51New Moon5Thu
6Fri4:383.03:524.310:201.16:135:49Waxing Crescent6Fri
7Sat5:392.84:344.412:010.110:59 AM1.26:145:48Waxing Crescent7Sat
8Sun6:482.65:214.312:590.111:46 AM1.46:155:46Waxing Crescent8Sun
9Mon8:022.66:164.12:030.112:451.56:165:45First Quarter9Mon
10Tue9:152.77:233.83:100.12:021.76:175:43First Quarter10Tue
11Wed10:232.98:533.54:140.03:321.76:185:42First Quarter11Wed
12Thu11:203.110:303.35:130.04:561.56:195:41First Quarter12Thu
13Fri12:083.46:050.06:081.26:205:39Waxing Gibbous13Fri
14Sat12:493.76:520.17:110.96:215:38Waxing Gibbous14Sat
15Sun12:473.21:263.87:340.28:070.66:225:36Waxing Gibbous15Sun
16Mon1:403.21:593.98:130.48:590.46:235:35Full Moon16Mon
17Tue2:293.12:294.08:480.69:470.26:245:33Full Moon17Tue
18Wed3:182.92:564.09:200.810:330.16:255:32Full Moon18Wed
19Thu4:102.83:224.19:501.111:170.06:265:31Full Moon19Thu
20Fri5:042.73:484.110:201.36:275:29Waning Gibbous20Fri
21Sat6:022.64:174.012:010.010:52 AM1.46:285:28Waning Gibbous21Sat
22Sun7:012.64:513.912:450.011:32 AM1.66:295:27Waning Gibbous22Sun
23Mon8:002.65:313.81:320.112:211.76:305:25Waning Gibbous23Mon
24Tue8:592.76:193.52:210.21:211.86:315:24Third Quarter24Tue
25Wed9:532.87:193.33:130.22:321.86:325:23Third Quarter25Wed
26Thu10:433.08:383.04:030.33:451.76:335:22Third Quarter26Thu
27Fri11:253.110:082.94:500.44:531.56:345:20Third Quarter27Fri
28Sat12:003.25:330.55:551.26:355:19Waning Crescent28Sat
29Sun12:283.36:110.66:500.96:365:18Waning Crescent29Sun
30Mon12:202.912:513.56:460.77:430.66:375:17Waning Crescent30Mon
31Tue1:122.91:113.77:180.88:340.36:385:16Waning Crescent31Tue
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 18% 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 (18% 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