Tides Today & Tomorrow in Richmond Inner Harbor, CA

TIDE TIMES for Sunday, August 23, 2026
The tide is currently rising in Richmond Inner Harbor, CA.
Next low tide : 3:37 pm (3.3 ft)
Next high tide : in 3h 04m at 11:05 am (4.7 ft)
Sunset today : 7:51 pm
Sunrise tomorrow : 6:32 am
Moon phase : Waxing Gibbous (82% illuminated)
Tide Station Location : Station #9414849
Common Questions About Tides

Richmond Inner Harbor, CA Tides - Sep 1933

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri10:185.29:086.83:23-0.63:162.65:396:39Waxing Gibbous1Fri
2Sat10:545.510:036.74:09-0.64:082.15:396:38Full Moon2Sat
3Sun11:285.710:556.54:49-0.54:571.75:406:36Full Moon3Sun
4Mon12:005.95:27-0.25:441.35:416:35Full Moon4Mon
5Tue12:316.06:030.36:301.05:426:33Full Moon5Tue
6Wed12:365.71:016.16:380.87:160.85:436:32Waning Gibbous6Wed
7Thu1:285.31:316.17:131.48:020.85:446:30Waning Gibbous7Thu
8Fri2:244.82:026.07:502.18:520.85:456:29Waning Gibbous8Fri
9Sat3:294.42:365.98:302.79:480.95:456:27Waning Gibbous9Sat
10Sun4:524.23:195.79:203.210:550.95:466:25Third Quarter10Sun
11Mon6:344.24:135.510:353.55:476:24Third Quarter11Mon
12Tue7:564.45:195.412:070.912:063.65:486:22Third Quarter12Tue
13Wed8:474.66:285.51:140.81:173.45:496:21Third Quarter13Wed
14Thu9:224.77:295.62:090.62:113.15:506:19Waning Crescent14Thu
15Fri9:504.98:225.82:530.42:542.85:516:18Waning Crescent15Fri
16Sat10:155.19:105.93:290.23:332.45:516:16Waning Crescent16Sat
17Sun10:385.39:565.94:010.24:092.05:526:15Waning Crescent17Sun
18Mon11:025.510:415.94:310.34:451.55:536:13New Moon18Mon
19Tue11:265.811:285.75:000.55:221.15:546:11New Moon19Tue
20Wed11:526.05:310.86:020.65:556:10New Moon20Wed
21Thu12:175.512:216.36:031.36:450.35:566:08Waxing Crescent21Thu
22Fri1:115.212:536.56:381.87:320.05:576:07Waxing Crescent22Fri
23Sat2:114.91:296.57:162.38:26-0.15:576:05Waxing Crescent23Sat
24Sun3:214.62:146.58:002.89:28-0.15:586:04Waxing Crescent24Sun
25Mon4:454.43:116.38:573.310:410.05:596:02First Quarter25Mon
26Tue6:164.54:216.110:213.511:580.06:006:01First Quarter26Tue
27Wed7:304.75:406.012:013.46:015:59First Quarter27Wed
28Thu8:225.06:576.01:09-0.11:222.96:025:57Waxing Gibbous28Thu
29Fri9:045.38:066.02:08-0.22:252.46:035:56Waxing Gibbous29Fri
30Sat9:405.69:076.02:56-0.13:181.86:045:54Waxing Gibbous30Sat
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9414849)

Common Questions About Richmond Inner Harbor, CA Tides

Show All
What time does the tide turn (slack tide) in Richmond Inner Harbor, CA today?

Slack tide in Richmond Inner Harbor, CA is approximately 1:21 pm — midway between the next high and low tide, when tidal current is weakest. This is the preferred window for boat crossings, underwater visibility, and fishing in areas with strong currents.

Is this week a spring tide or neap tide in Richmond Inner Harbor, CA?

Richmond Inner Harbor, CA is currently in a spring phase. Tonight's moon is 82% 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 Richmond Inner Harbor, 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 Richmond Inner Harbor, CA?

Tide predictions for Richmond Inner Harbor, 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 Richmond Inner Harbor, CA?

Tide data for Richmond Inner Harbor, CA is sourced from NOAA Station #9414849. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9414849.

What is the moon phase in Richmond Inner Harbor, CA tonight?

Tonight the moon over Richmond Inner Harbor, CA is Waxing Gibbous (82% illuminated). This places Richmond Inner Harbor, 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