Tides Today & Tomorrow in Oakland – Inner Harbor, CA

TIDE TIMES for Friday, August 21, 2026
The tide is currently falling in Oakland - Inner Harbor, CA.
Next low tide : in 1h 53m at 12:35 pm (3.7 ft)
Next high tide : 7:33 pm (5.8 ft)
Sunset today : 7:54 pm
Sunrise tomorrow : 6:30 am
Moon phase : First Quarter (66% illuminated)
Tide Station Location : Station #9414764
Common Questions About Tides

Oakland – Inner Harbor, CA Tides - Sep 1926

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed8:324.87:396.21:590.41:363.25:386:39Waning Crescent1Wed
2Thu9:255.08:326.22:530.22:393.15:396:38Waning Crescent2Thu
3Fri10:095.29:206.33:390.13:292.95:406:36Waning Crescent3Fri
4Sat10:465.410:046.34:180.04:112.65:416:35Waning Crescent4Sat
5Sun11:195.510:446.34:510.04:462.45:426:33New Moon5Sun
6Mon11:515.611:226.25:210.05:202.15:426:32New Moon6Mon
7Tue12:215.75:490.25:521.95:436:30New Moon7Tue
8Wed12:505.76:150.56:251.85:446:29New Moon8Wed
9Thu12:375.71:185.76:400.87:011.65:456:27Waxing Crescent9Thu
10Fri1:165.41:445.77:071.27:391.55:466:26Waxing Crescent10Fri
11Sat2:005.12:125.77:361.68:231.45:476:24Waxing Crescent11Sat
12Sun2:504.72:425.68:102.19:131.35:476:22Waxing Crescent12Sun
13Mon3:544.43:205.68:492.510:121.25:486:21First Quarter13Mon
14Tue5:164.34:115.69:392.911:231.05:496:19First Quarter14Tue
15Wed6:404.45:205.710:453.25:506:18First Quarter15Wed
16Thu7:474.76:345.912:370.612:093.35:516:16First Quarter16Thu
17Fri8:415.17:416.21:420.11:283.05:526:15Waxing Gibbous17Fri
18Sat9:275.58:436.62:39-0.32:362.55:536:13Waxing Gibbous18Sat
19Sun10:095.99:416.83:30-0.63:341.95:536:12Waxing Gibbous19Sun
20Mon10:496.310:366.94:16-0.74:271.35:546:10Full Moon20Mon
21Tue11:286.611:306.95:00-0.65:170.75:556:08Full Moon21Tue
22Wed12:076.85:41-0.26:060.35:566:07Full Moon22Wed
23Thu12:246.612:476.86:230.36:580.15:576:05Waning Gibbous23Thu
24Fri1:216.21:286.87:041.07:510.05:586:04Waning Gibbous24Fri
25Sat2:215.72:116.67:471.78:490.15:596:02Waning Gibbous25Sat
26Sun3:255.22:586.38:342.49:510.35:596:01Waning Gibbous26Sun
27Mon4:374.93:525.99:282.911:010.56:005:59Third Quarter27Mon
28Tue5:564.84:565.610:423.36:015:58Third Quarter28Tue
29Wed7:084.86:095.512:150.612:203.46:025:56Third Quarter29Wed
30Thu8:065.07:145.41:210.61:383.26:035:55Waning Crescent30Thu
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9414764)

Common Questions About Oakland - Inner Harbor, CA Tides

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

Slack tide in Oakland - Inner Harbor, CA is approximately 4:04 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 Oakland - Inner Harbor, CA?

Oakland - Inner Harbor, CA is currently in a transitional phase. Tonight's moon is 66% 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 shifting between spring and neap.

What datum are Oakland - 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 Oakland - Inner Harbor, CA?

Tide predictions for Oakland - 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 Oakland - Inner Harbor, CA?

Tide data for Oakland - Inner Harbor, CA is sourced from NOAA Station #9414764. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9414764.

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

Tonight the moon over Oakland - Inner Harbor, CA is First Quarter (66% illuminated). This places Oakland - Inner Harbor, CA in a transitional tide cycle, so tidal ranges are shifting between spring and neap 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