Tides Today & Tomorrow in Alameda, CA

TIDE TIMES for Friday, August 7, 2026
The tide is currently falling in Alameda, CA.
Next low tide : in 1h 32m at 1:52 am (0.5 ft)
Next high tide : 8:53 am (4.5 ft)
Sunset today : 8:11 pm
Sunrise tomorrow : 6:18 am
Moon phase : Third Quarter (31% illuminated)
Tide Station Location : Station #9414750
Common Questions About Tides

Alameda, CA Tides - Aug 1965

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun3:176.64:336.59:46-0.210:281.76:128:18Waxing Crescent1Sun
2Mon4:195.85:176.610:310.511:361.56:138:17First Quarter2Mon
3Tue5:315.26:046.611:201.36:148:16First Quarter3Tue
4Wed6:524.86:526.712:461.212:162.06:158:15First Quarter4Wed
5Thu8:174.77:436.71:560.91:172.66:168:14First Quarter5Thu
6Fri9:344.88:336.72:590.52:203.06:178:12Waxing Gibbous6Fri
7Sat10:375.19:216.73:550.23:203.26:178:11Waxing Gibbous7Sat
8Sun11:285.310:076.84:420.04:143.26:188:10Waxing Gibbous8Sun
9Mon12:115.55:24-0.15:013.16:198:09Waxing Gibbous9Mon
10Tue12:495.66:01-0.25:443.06:208:08Full Moon10Tue
11Wed1:235.66:35-0.26:232.96:218:07Full Moon11Wed
12Thu12:086.71:535.67:06-0.26:592.76:228:06Full Moon12Thu
13Fri12:456.62:225.67:35-0.17:352.66:238:04Full Moon13Fri
14Sat1:216.42:485.78:020.08:102.46:238:03Waning Gibbous14Sat
15Sun1:596.23:145.88:300.38:482.26:248:02Waning Gibbous15Sun
16Mon2:405.83:416.09:000.79:302.06:258:01Waning Gibbous16Mon
17Tue3:285.44:126.29:331.110:211.86:267:59Waning Gibbous17Tue
18Wed4:275.04:496.310:111.711:231.66:277:58Third Quarter18Wed
19Thu5:454.65:346.510:592.36:287:57Third Quarter19Thu
20Fri7:224.56:296.712:341.212:012.96:297:55Third Quarter20Fri
21Sat8:504.67:306.91:480.71:163.26:297:54Third Quarter21Sat
22Sun10:015.08:347.22:560.22:313.36:307:53Waning Crescent22Sun
23Mon10:565.39:367.43:56-0.43:373.16:317:51Waning Crescent23Mon
24Tue11:445.710:357.64:49-0.84:362.86:327:50Waning Crescent24Tue
25Wed12:275.95:38-1.05:312.46:337:49New Moon25Wed
26Thu1:086.26:24-1.16:241.96:347:47New Moon26Thu
27Fri12:267.61:476.47:07-0.97:161.66:357:46New Moon27Fri
28Sat1:197.32:266.57:49-0.58:091.36:357:44Waxing Crescent28Sat
29Sun2:136.83:036.68:300.09:021.16:367:43Waxing Crescent29Sun
30Mon3:106.23:426.79:110.79:591.06:377:41Waxing Crescent30Mon
31Tue4:115.64:226.69:541.511:000.96:387:40Waxing Crescent31Tue
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9414750)

Common Questions About Alameda, CA Tides

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What time does the tide turn (slack tide) in Alameda, CA today?

Slack tide in Alameda, CA is approximately 5:22 am — 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 Alameda, CA?

Alameda, CA is currently in a transitional phase. Tonight's moon is 31% 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 Alameda, 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 Alameda, CA?

Tide predictions for Alameda, 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 Alameda, CA?

Tide data for Alameda, CA is sourced from NOAA Station #9414750. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9414750.

What is the moon phase in Alameda, CA tonight?

Tonight the moon over Alameda, CA is Third Quarter (31% illuminated). This places Alameda, 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