Tides Today & Tomorrow in Redwood City, CA

TIDE TIMES for Sunday, August 9, 2026
The tide is currently falling in Redwood City, CA.
Next low tide : in 23m at 4:15 pm (3.7 ft)
Next high tide : 9:59 pm (9.1 ft)
Sunset today : 8:08 pm
Sunrise tomorrow : 6:20 am
Moon phase : Waning Crescent (12% illuminated)
Tide Station Location : Station #9414523
Common Questions About Tides

Redwood City, CA Tides - Jan 1952

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue3:467.83:008.09:222.29:47-0.67:235:00Waxing Crescent1Tue
2Wed4:297.94:047.110:232.010:320.37:235:01First Quarter2Wed
3Thu5:138.05:166.411:311.811:211.27:235:02First Quarter3Thu
4Fri6:008.26:375.912:431.47:235:03First Quarter4Fri
5Sat6:478.37:575.812:162.01:520.97:235:04First Quarter5Sat
6Sun7:348.39:116.01:152.72:530.47:235:05Waxing Gibbous6Sun
7Mon8:208.410:146.32:143.13:480.07:235:06Waxing Gibbous7Mon
8Tue9:068.411:076.63:123.44:35-0.37:235:06Waxing Gibbous8Tue
9Wed9:498.311:536.84:053.55:18-0.57:235:07Waxing Gibbous9Wed
10Thu10:318.34:533.45:56-0.67:235:08Full Moon10Thu
11Fri12:336.911:10 AM8.25:363.36:30-0.57:235:09Full Moon11Fri
12Sat1:106.911:47 AM8.26:173.27:01-0.57:235:10Full Moon12Sat
13Sun1:446.912:238.06:543.07:29-0.37:235:11Full Moon13Sun
14Mon2:146.912:587.97:312.97:56-0.27:225:12Waning Gibbous14Mon
15Tue2:406.91:367.68:092.88:230.17:225:13Waning Gibbous15Tue
16Wed3:057.02:177.18:482.68:520.57:225:14Waning Gibbous16Wed
17Thu3:297.13:056.69:322.59:251.07:215:15Waning Gibbous17Thu
18Fri3:567.44:056.010:252.310:051.77:215:16Third Quarter18Fri
19Sat4:327.65:275.511:312.010:542.47:215:17Third Quarter19Sat
20Sun5:187.87:045.412:461.57:205:18Third Quarter20Sun
21Mon6:148.18:335.612:003.11:590.87:205:20Third Quarter21Mon
22Tue7:168.49:486.01:173.53:040.07:195:21Waning Crescent22Tue
23Wed8:198.710:486.52:323.64:03-0.87:195:22Waning Crescent23Wed
24Thu9:219.011:387.03:393.54:55-1.47:185:23Waning Crescent24Thu
25Fri10:209.34:393.15:43-1.87:175:24New Moon25Fri
26Sat12:237.311:16 AM9.45:332.66:28-2.07:175:25New Moon26Sat
27Sun1:057.612:099.36:262.17:11-1.97:165:26New Moon27Sun
28Mon1:457.81:029.07:171.77:52-1.47:155:27Waxing Crescent28Mon
29Tue2:238.01:558.48:091.48:32-0.87:155:28Waxing Crescent29Tue
30Wed3:018.12:507.69:021.29:110.17:145:29Waxing Crescent30Wed
31Thu3:388.23:516.89:581.29:521.07:135:30Waxing Crescent31Thu
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9414523)

Common Questions About Redwood City, CA Tides

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

Slack tide in Redwood City, CA is approximately 7:07 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 Redwood City, CA?

Redwood City, CA is currently in a spring phase. Tonight's moon is 12% 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 Redwood City, 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 Redwood City, CA?

Tide predictions for Redwood City, 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 Redwood City, CA?

Tide data for Redwood City, CA is sourced from NOAA Station #9414523. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9414523.

What is the moon phase in Redwood City, CA tonight?

Tonight the moon over Redwood City, CA is Waning Crescent (12% illuminated). This places Redwood City, 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