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 3h 26m 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 - Jun 2100

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue8:325.89:057.82:521.92:321.65:498:24Third Quarter1Tue
2Wed9:395.89:408.03:471.33:182.15:488:25Waning Crescent2Wed
3Thu10:425.910:128.14:370.74:032.65:488:25Waning Crescent3Thu
4Fri11:406.110:438.25:220.24:473.05:488:26Waning Crescent4Fri
5Sat12:336.46:03-0.25:323.45:488:27Waning Crescent5Sat
6Sun1:216.56:41-0.56:153.65:478:27New Moon6Sun
7Mon2:086.67:18-0.66:573.75:478:28New Moon7Mon
8Tue12:208.32:516.77:53-0.77:393.85:478:28New Moon8Tue
9Wed12:568.33:336.78:29-0.88:213.85:478:29New Moon9Wed
10Thu1:368.34:126.79:05-0.99:053.75:478:29Waxing Crescent10Thu
11Fri2:198.24:506.89:43-0.89:533.55:478:30Waxing Crescent11Fri
12Sat3:087.95:296.910:23-0.710:473.35:478:30Waxing Crescent12Sat
13Sun4:037.56:087.111:06-0.411:483.05:478:31First Quarter13Sun
14Mon5:077.06:507.511:540.15:478:31First Quarter14Mon
15Tue6:246.47:337.912:582.512:470.85:478:31First Quarter15Tue
16Wed7:506.18:178.42:091.71:441.45:478:32First Quarter16Wed
17Thu9:146.09:018.93:160.82:432.15:478:32Waxing Gibbous17Thu
18Fri10:336.19:479.24:17-0.13:432.75:478:32Waxing Gibbous18Fri
19Sat11:446.410:369.45:15-0.94:433.15:478:33Waxing Gibbous19Sat
20Sun12:486.86:09-1.45:433.45:488:33Full Moon20Sun
21Mon1:447.07:00-1.76:393.45:488:33Full Moon21Mon
22Tue12:169.32:367.27:48-1.87:333.45:488:33Full Moon22Tue
23Wed1:069.03:237.38:34-1.68:263.35:488:33Waning Gibbous23Wed
24Thu1:568.74:077.49:17-1.39:183.25:498:34Waning Gibbous24Thu
25Fri2:468.24:487.49:58-0.910:103.05:498:34Waning Gibbous25Fri
26Sat3:387.65:277.410:37-0.311:042.95:498:34Waning Gibbous26Sat
27Sun4:327.06:057.511:150.45:508:34Third Quarter27Sun
28Mon5:326.36:437.612:022.711:55 AM1.15:508:34Third Quarter28Mon
29Tue6:415.87:227.71:062.412:381.85:508:34Third Quarter29Tue
30Wed7:575.58:017.92:102.01:272.55:518:34Third Quarter30Wed
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9414523)

Common Questions About Redwood City, CA Tides

Show All
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