Rio Vista Tide Chart
California · NOAA Station 9415316 · 38.145°, -121.692°
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This Week’s Tides for Rio Vista
High and low tide times and heights (ft, MLLW) for the week ahead.
| Low | 4:59 AM | 1.1 ft |
| High | 10:13 AM | 2.7 ft |
| Low | 3:50 PM | 1.1 ft |
| High | 10:33 PM | 4.2 ft |
| Low | 6:09 AM | 0.8 ft |
| High | 11:32 AM | 2.5 ft |
| Low | 4:31 PM | 1.4 ft |
| High | 11:19 PM | 4.2 ft |
| Low | 7:14 AM | 0.5 ft |
| High | 12:47 PM | 2.5 ft |
| Low | 5:20 PM | 1.6 ft |
| High | 12:05 AM | 4.3 ft |
| Low | 8:11 AM | 0.2 ft |
| High | 1:53 PM | 2.6 ft |
| Low | 6:16 PM | 1.8 ft |
| High | 12:50 AM | 4.3 ft |
| Low | 9:01 AM | 0.0 ft |
| High | 2:49 PM | 2.8 ft |
| Low | 7:16 PM | 2.0 ft |
| High | 1:32 AM | 4.3 ft |
| Low | 9:44 AM | -0.2 ft |
| High | 3:38 PM | 2.9 ft |
| Low | 8:15 PM | 2.0 ft |
| High | 2:11 AM | 4.2 ft |
| Low | 10:23 AM | -0.2 ft |
| High | 4:20 PM | 3.0 ft |
| Low | 9:10 PM | 2.0 ft |
Rio Vista Tide Table — Next 30 Days
Every high and low tide for the next month at Rio Vista, with heights in feet (MLLW), the daily tidal range, and sunrise & sunset.
| Day | Sunrise | Sunset | Tides (time · ft, MLLW) | Range | |||
|---|---|---|---|---|---|---|---|
| Tue, Jul 21Today | 6:00 AM | 8:26 PM | Low4:59 AM1.1 ft | High10:13 AM2.7 ft | Low3:50 PM1.1 ft | High10:33 PM4.2 ft | 3.1 ft |
| Wed, Jul 22 | 6:01 AM | 8:25 PM | Low6:09 AM0.8 ft | High11:32 AM2.5 ft | Low4:31 PM1.4 ft | High11:19 PM4.2 ft | 3.4 ft |
| Thu, Jul 23 | 6:02 AM | 8:24 PM | Low7:14 AM0.5 ft | High12:47 PM2.5 ft | Low5:20 PM1.6 ft | — | 2.0 ft |
| Fri, Jul 24 | 6:03 AM | 8:23 PM | High12:05 AM4.3 ft | Low8:11 AM0.2 ft | High1:53 PM2.6 ft | Low6:16 PM1.8 ft | 4.1 ft |
| Sat, Jul 25 | 6:03 AM | 8:23 PM | High12:50 AM4.3 ft | Low9:01 AM0.0 ft | High2:49 PM2.8 ft | Low7:16 PM2.0 ft | 4.3 ft |
| Sun, Jul 26 | 6:04 AM | 8:22 PM | High1:32 AM4.3 ft | Low9:44 AM-0.2 ft | High3:38 PM2.9 ft | Low8:15 PM2.0 ft | 4.5 ft |
| Mon, Jul 27 | 6:05 AM | 8:21 PM | High2:11 AM4.2 ft | Low10:23 AM-0.2 ft | High4:20 PM3.0 ft | Low9:10 PM2.0 ft | 4.4 ft |
| Tue, Jul 28 | 6:06 AM | 8:20 PM | High2:47 AM4.2 ft | Low10:58 AM-0.1 ft | High4:58 PM3.1 ft | Low9:59 PM1.9 ft | 4.3 ft |
| Wed, Jul 29 | 6:07 AM | 8:19 PM | High3:23 AM4.1 ft | Low11:29 AM-0.1 ft | High5:31 PM3.2 ft | Low10:44 PM1.8 ft | 4.2 ft |
| Thu, Jul 30 | 6:08 AM | 8:18 PM | High3:58 AM4.1 ft | Low11:57 AM0.0 ft | High5:59 PM3.3 ft | Low11:26 PM1.7 ft | 4.1 ft |
| Fri, Jul 31 | 6:08 AM | 8:17 PM | High4:36 AM4.0 ft | Low12:23 PM0.2 ft | High6:23 PM3.5 ft | — | 3.8 ft |
| Sat, Aug 1 | 6:09 AM | 8:16 PM | Low12:07 AM1.6 ft | High5:16 AM3.9 ft | Low12:48 PM0.3 ft | High6:45 PM3.6 ft | 3.6 ft |
| Sun, Aug 2 | 6:10 AM | 8:15 PM | Low12:49 AM1.5 ft | High6:01 AM3.7 ft | Low1:14 PM0.4 ft | High7:09 PM3.8 ft | 3.4 ft |
| Mon, Aug 3 | 6:11 AM | 8:14 PM | Low1:37 AM1.4 ft | High6:50 AM3.5 ft | Low1:43 PM0.6 ft | High7:39 PM4.0 ft | 3.4 ft |
| Tue, Aug 4 | 6:12 AM | 8:13 PM | Low2:37 AM1.3 ft | High7:50 AM3.1 ft | Low2:18 PM0.8 ft | High8:17 PM4.2 ft | 3.4 ft |
| Wed, Aug 5 | 6:13 AM | 8:12 PM | Low3:56 AM1.2 ft | High9:13 AM2.7 ft | Low2:59 PM1.1 ft | High9:02 PM4.4 ft | 3.3 ft |
| Thu, Aug 6 | 6:14 AM | 8:11 PM | Low5:23 AM1.0 ft | High10:56 AM2.5 ft | Low3:49 PM1.4 ft | High9:56 PM4.5 ft | 3.5 ft |
| Fri, Aug 7 | 6:14 AM | 8:10 PM | Low6:42 AM0.7 ft | High12:28 PM2.4 ft | Low4:50 PM1.6 ft | High10:57 PM4.5 ft | 3.8 ft |
| Sat, Aug 8 | 6:15 AM | 8:09 PM | Low7:50 AM0.4 ft | High1:42 PM2.6 ft | Low6:04 PM1.8 ft | — | 2.2 ft |
| Sun, Aug 9 | 6:16 AM | 8:08 PM | High12:03 AM4.5 ft | Low8:48 AM0.1 ft | High2:42 PM2.8 ft | Low7:24 PM1.9 ft | 4.4 ft |
| Mon, Aug 10 | 6:17 AM | 8:07 PM | High1:08 AM4.5 ft | Low9:38 AM-0.1 ft | High3:33 PM3.0 ft | Low8:37 PM1.8 ft | 4.6 ft |
| Tue, Aug 11 | 6:18 AM | 8:05 PM | High2:07 AM4.5 ft | Low10:23 AM-0.2 ft | High4:18 PM3.2 ft | Low9:43 PM1.7 ft | 4.7 ft |
| Wed, Aug 12 | 6:19 AM | 8:04 PM | High3:03 AM4.4 ft | Low11:04 AM-0.1 ft | High4:59 PM3.4 ft | Low10:41 PM1.5 ft | 4.5 ft |
| Thu, Aug 13 | 6:20 AM | 8:03 PM | High3:56 AM4.3 ft | Low11:42 AM0.0 ft | High5:37 PM3.5 ft | Low11:36 PM1.4 ft | 4.3 ft |
| Fri, Aug 14 | 6:21 AM | 8:02 PM | High4:48 AM4.1 ft | Low12:17 PM0.2 ft | High6:14 PM3.7 ft | — | 3.9 ft |
| Sat, Aug 15 | 6:21 AM | 8:00 PM | Low12:29 AM1.3 ft | High5:41 AM3.8 ft | Low12:49 PM0.4 ft | High6:50 PM3.9 ft | 3.5 ft |
| Sun, Aug 16 | 6:22 AM | 7:59 PM | Low1:23 AM1.2 ft | High6:36 AM3.5 ft | Low1:18 PM0.6 ft | High7:25 PM4.0 ft | 3.4 ft |
| Mon, Aug 17 | 6:23 AM | 7:58 PM | Low2:20 AM1.1 ft | High7:37 AM3.2 ft | Low1:47 PM0.9 ft | High8:02 PM4.0 ft | 3.1 ft |
| Tue, Aug 18 | 6:24 AM | 7:56 PM | Low3:22 AM1.0 ft | High8:46 AM2.9 ft | Low2:18 PM1.2 ft | High8:41 PM4.1 ft | 3.1 ft |
| Wed, Aug 19 | 6:25 AM | 7:55 PM | Low4:30 AM0.9 ft | High10:01 AM2.7 ft | Low2:57 PM1.5 ft | High9:26 PM4.0 ft | 3.1 ft |
About Rio Vista tides
Tide predictions for Rio Vista come from NOAA station 9415316 (California), computed from long-term harmonic analysis of observed water levels. Heights are shown in feet relative to MLLW (Mean Lower Low Water) — the same datum used on US nautical charts — so they line up directly with charted depths.
Rio Vista typically sees a mixed semidiurnal tide, with two highs and two lows of differing heights each day. Use the curve above to time a harbor entrance, a beach walk, fishing a moving tide, or clearing a shallow bar — and remember that wind and pressure can push the real water level above or below prediction. The daily tidal range in the 30-day table shows how much water moves each day: bigger ranges around the new and full moon mean stronger currents.
Frequently asked
What time is high tide in Rio Vista today?+
Today (Tuesday, July 21), high tide at Rio Vista is at 10:13 AM (2.7 ft), 10:33 PM (4.2 ft). Heights are referenced to MLLW (Mean Lower Low Water).
What time is low tide in Rio Vista today?+
Today, low tide at Rio Vista is at 4:59 AM (1.1 ft), 3:50 PM (1.1 ft).
What tidal datum do these Rio Vista tide heights use?+
All heights are given in feet relative to MLLW (Mean Lower Low Water), the standard NOAA chart datum for US tidal waters. A tide of 0.0 ft equals the chart datum; negative tides fall below it.
How accurate are these tide predictions?+
These are NOAA harmonic predictions — highly accurate for the astronomical tide. Real water levels can still differ with wind, barometric pressure, and storms, so always check current conditions before getting underway.
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