38.1450’ N, 121.6920’ W

Rio Vista, CA

54°
H 92°
L 58°
W
7mph
Low tide
8:19 am

Tides Today & Tomorrow in Rio Vista, CA

TIDE TIMES for Monday, September 7, 2026
The tide is currently falling in Rio Vista, CA.
Next low tide : in 2h 44m at 8:19 am (0.1 ft)
Next high tide : 2:16 pm (3.1 ft)
Sunset today : 7:27 pm
Sunrise tomorrow : 6:41 am
Moon phase : Waning Crescent (14% illuminated)
Tide Station Location : Station #9415316
Common Questions About Tides

Rio Vista, CA Tides - Dec 1895

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun3:372.31:474.28:111.510:25-0.17:044:47Full Moon1Sun
2Mon4:272.32:214.38:541.611:04-0.27:054:47Full Moon2Mon
3Tue5:172.43:014.49:421.611:43-0.37:064:47Full Moon3Tue
4Wed6:032.53:474.310:331.67:074:47Waning Gibbous4Wed
5Thu6:482.64:384.212:23-0.311:29 AM1.67:084:46Waning Gibbous5Thu
6Fri7:312.85:354.01:05-0.212:301.67:094:46Waning Gibbous6Fri
7Sat8:163.06:403.61:49-0.11:401.57:104:46Third Quarter7Sat
8Sun9:023.27:583.32:360.12:571.37:114:46Third Quarter8Sun
9Mon9:483.59:262.93:240.24:151.17:114:47Third Quarter9Mon
10Tue10:343.810:492.74:120.45:290.77:124:47Third Quarter10Tue
11Wed11:194.04:590.66:380.37:134:47Waning Crescent11Wed
12Thu12:032.612:004.35:450.97:400.07:144:47Waning Crescent12Thu
13Fri1:092.612:404.46:311.18:37-0.37:144:47Waning Crescent13Fri
14Sat2:092.61:174.57:181.39:28-0.57:154:47New Moon14Sat
15Sun3:082.61:534.48:071.510:15-0.67:164:48New Moon15Sun
16Mon4:042.72:304.48:571.710:59-0.77:164:48New Moon16Mon
17Tue4:582.83:084.39:471.811:40-0.67:174:48New Moon17Tue
18Wed5:472.93:494.110:371.97:184:49Waxing Crescent18Wed
19Thu6:333.04:333.912:19-0.511:27 AM1.97:184:49Waxing Crescent19Thu
20Fri7:153.15:223.612:56-0.312:201.87:194:50Waxing Crescent20Fri
21Sat7:573.36:193.31:32-0.11:181.87:194:50Waxing Crescent21Sat
22Sun8:383.47:293.02:080.22:251.77:204:51First Quarter22Sun
23Mon9:193.58:552.62:440.43:391.67:204:51First Quarter23Mon
24Tue9:593.610:202.43:220.74:541.37:214:52First Quarter24Tue
25Wed10:373.711:372.34:000.96:041.17:214:52First Quarter25Wed
26Thu11:113.94:401.17:060.87:224:53Waxing Gibbous26Thu
27Fri12:442.311:42 AM4.05:221.47:590.57:224:54Waxing Gibbous27Fri
28Sat1:442.412:114.16:061.68:460.27:224:54Waxing Gibbous28Sat
29Sun2:382.412:444.26:541.79:290.17:224:55Waxing Gibbous29Sun
30Mon3:282.51:224.47:461.810:09-0.17:234:56Full Moon30Mon
31Tue4:142.62:054.58:411.810:43-0.27:234:56Full Moon31Tue
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 14% 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 (14% 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