37.7717’ N, 122.2983’ W

Alameda, CA

58°
H 64°
L 58°
WSW
7mph
High tide
10:05 am

Tides Today & Tomorrow in Alameda, CA

TIDE TIMES for Monday, September 21, 2026
The tide is currently rising in Alameda, CA.
Next low tide : 3:13 pm (3.0 ft)
Next high tide : in 6h 21m at 10:05 am (5.2 ft)
Sunset today : 7:07 pm
Sunrise tomorrow : 6:56 am
Moon phase : Waxing Gibbous (76% illuminated)
Tide Station Location : Station #9414750
Common Questions About Tides

Alameda, CA Tides - May 1872

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed6:175.68:115.812:452.61:13-0.35:197:06Third Quarter1Wed
2Thu7:345.58:546.21:532.02:07-0.15:187:07Waning Crescent2Thu
3Fri8:435.59:336.42:521.32:560.15:177:08Waning Crescent3Fri
4Sat9:455.510:086.63:430.63:390.55:167:09Waning Crescent4Sat
5Sun10:425.410:416.74:300.14:191.05:147:10New Moon5Sun
6Mon11:355.411:116.85:13-0.34:581.55:137:11New Moon6Mon
7Tue12:275.35:53-0.55:372.05:127:12New Moon7Tue
8Wed1:175.26:31-0.66:152.55:117:13New Moon8Wed
9Thu12:096.62:075.17:08-0.66:552.85:107:14Waxing Crescent9Thu
10Fri12:396.42:575.17:45-0.57:393.15:097:14Waxing Crescent10Fri
11Sat1:126.23:495.08:24-0.48:283.35:087:15Waxing Crescent11Sat
12Sun1:505.94:434.99:08-0.29:273.45:087:16Waxing Crescent12Sun
13Mon2:375.65:384.99:570.110:363.45:077:17First Quarter13Mon
14Tue3:335.26:295.010:520.211:473.25:067:18First Quarter14Tue
15Wed4:424.97:135.211:480.45:057:19First Quarter15Wed
16Thu5:574.77:515.512:512.712:420.55:047:20First Quarter16Thu
17Fri7:104.78:245.71:462.21:300.75:037:21Waxing Gibbous17Fri
18Sat8:174.88:556.12:341.62:140.95:037:21Waxing Gibbous18Sat
19Sun9:194.99:256.43:180.92:551.25:027:22Waxing Gibbous19Sun
20Mon10:175.19:576.84:000.23:361.55:017:23Waxing Gibbous20Mon
21Tue11:145.210:307.14:41-0.44:181.95:007:24Full Moon21Tue
22Wed12:105.35:24-0.95:022.35:007:25Full Moon22Wed
23Thu1:065.46:08-1.35:492.74:597:25Full Moon23Thu
24Fri2:025.56:55-1.56:402.94:597:26Waning Gibbous24Fri
25Sat12:347.32:595.57:46-1.67:373.14:587:27Waning Gibbous25Sat
26Sun1:257.13:575.58:40-1.48:433.24:577:28Waning Gibbous26Sun
27Mon2:226.74:555.69:37-1.19:583.04:577:28Waning Gibbous27Mon
28Tue3:286.15:515.810:37-0.811:182.74:567:29Third Quarter28Tue
29Wed4:445.66:436.011:38-0.34:567:30Third Quarter29Wed
30Thu6:065.27:306.312:342.212:350.14:567:31Third Quarter30Thu
31Fri7:254.98:136.61:411.51:280.54:557:31Waning Crescent31Fri
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9414750)

Common Questions About Alameda, CA Tides

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Is this week a spring tide or neap tide in Alameda, CA?

Alameda, CA is currently in a transitional phase. Tonight's moon is 76% 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 Waxing Gibbous (76% 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