Tides Today & Tomorrow in Richmond Inner Harbor, CA

TIDE TIMES for Wednesday, August 19, 2026
The tide is currently rising in Richmond Inner Harbor, CA.
Next low tide (tomorrow) : 12:53 am (1.0 ft)
Next high tide : in 0m at 5:19 pm (5.9 ft)
Sunset today : 7:57 pm
Sunrise tomorrow : 6:28 am
Moon phase : First Quarter (47% illuminated)
Tide Station Location : Station #9414849
Common Questions About Tides

Richmond Inner Harbor, CA Tides - Jun 1938

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed12:476.72:545.37:48-1.57:572.44:487:25Waxing Crescent1Wed
2Thu1:436.33:465.48:40-1.19:082.34:487:26Waxing Crescent2Thu
3Fri2:435.74:385.59:33-0.610:252.14:477:26First Quarter3Fri
4Sat3:515.15:305.710:28-0.111:441.74:477:27First Quarter4Sat
5Sun5:094.56:205.911:250.54:477:28First Quarter5Sun
6Mon6:334.27:076.112:551.212:231.04:477:28First Quarter6Mon
7Tue7:574.17:516.31:570.61:181.54:467:29Waxing Gibbous7Tue
8Wed9:104.28:326.42:500.22:111.94:467:29Waxing Gibbous8Wed
9Thu10:114.49:106.43:37-0.23:002.34:467:30Waxing Gibbous9Thu
10Fri11:044.69:466.44:18-0.43:462.54:467:30Waxing Gibbous10Fri
11Sat11:504.710:216.34:55-0.64:292.74:467:31Full Moon11Sat
12Sun12:324.75:31-0.65:102.84:467:31Full Moon12Sun
13Mon1:104.86:04-0.65:502.94:467:32Full Moon13Mon
14Tue1:454.86:37-0.66:292.94:467:32Full Moon14Tue
15Wed12:075.92:194.87:11-0.57:112.94:467:33Waning Gibbous15Wed
16Thu12:445.62:534.87:45-0.47:562.84:467:33Waning Gibbous16Thu
17Fri1:245.33:284.98:20-0.28:482.74:467:33Waning Gibbous17Fri
18Sat2:085.04:045.18:580.19:482.64:467:34Waning Gibbous18Sat
19Sun3:004.54:425.39:390.510:552.34:467:34Third Quarter19Sun
20Mon4:054.15:235.510:240.94:467:34Third Quarter20Mon
21Tue5:263.86:055.812:011.811:15 AM1.44:477:34Third Quarter21Tue
22Wed6:563.86:486.11:011.212:101.84:477:35Third Quarter22Wed
23Thu8:194.07:336.51:550.61:082.14:477:35Waning Crescent23Thu
24Fri9:294.38:216.82:45-0.12:052.44:477:35Waning Crescent24Fri
25Sat10:284.69:097.13:33-0.73:012.54:487:35Waning Crescent25Sat
26Sun11:204.99:597.34:21-1.23:552.54:487:35New Moon26Sun
27Mon12:085.15:08-1.54:502.54:487:35New Moon27Mon
28Tue12:545.45:55-1.65:462.44:497:35New Moon28Tue
29Wed1:405.66:42-1.56:442.24:497:35Waxing Crescent29Wed
30Thu12:376.82:255.77:29-1.27:462.14:497:35Waxing Crescent30Thu
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9414849)

Common Questions About Richmond Inner Harbor, CA Tides

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

Slack tide in Richmond Inner Harbor, CA is approximately 9:06 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 neap phase. Tonight's moon is 47% 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 minimum.

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 First Quarter (47% illuminated). This places Richmond Inner Harbor, CA in a neap tide cycle, so tidal ranges are near their weekly minimum 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