Tides Today & Tomorrow in Redwood City, CA

TIDE TIMES for Sunday, July 12, 2026
The tide is currently rising in Redwood City, CA.
Next low tide (tomorrow) : 6:40 am (-1.6 ft)
Next high tide : in 2h 49m at 11:04 pm (9.5 ft)
Sunset today : 8:31 pm
Sunrise tomorrow : 5:57 am
Moon phase : Waning Crescent (4% illuminated)
Tide Station Location : Station #9414523
Common Questions About Tides

Redwood City, CA Tides - Jul 1989

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat12:506.86:08-1.25:423.55:518:33New Moon1Sat
2Sun1:427.16:57-1.46:373.45:518:33New Moon2Sun
3Mon12:139.12:297.27:42-1.47:293.35:528:33New Moon3Mon
4Tue1:018.83:117.38:24-1.28:183.25:528:33New Moon4Tue
5Wed1:478.53:507.49:02-0.99:063.05:538:33Waxing Crescent5Wed
6Thu2:338.04:257.49:37-0.59:532.95:548:33Waxing Crescent6Thu
7Fri3:197.54:597.410:110.010:412.85:548:32Waxing Crescent7Fri
8Sat4:097.05:317.410:430.711:332.75:558:32Waxing Crescent8Sat
9Sun5:036.46:047.511:161.35:558:32First Quarter9Sun
10Mon6:085.86:407.612:312.511:55 AM2.05:568:31First Quarter10Mon
11Tue7:255.57:207.81:352.112:422.75:578:31First Quarter11Tue
12Wed8:445.58:027.92:381.71:393.35:578:31First Quarter12Wed
13Thu9:585.78:478.13:371.22:423.85:588:30Waxing Gibbous13Thu
14Fri11:046.09:348.24:290.63:444.05:598:30Waxing Gibbous14Fri
15Sat11:596.410:228.45:170.14:424.05:598:29Waxing Gibbous15Sat
16Sun12:476.76:01-0.35:353.96:008:29Waxing Gibbous16Sun
17Mon1:296.96:42-0.76:243.66:018:28Full Moon17Mon
18Tue2:087.17:21-1.07:103.36:028:28Full Moon18Tue
19Wed12:428.92:457.37:58-1.27:563.06:028:27Full Moon19Wed
20Thu1:288.93:187.58:36-1.28:442.66:038:26Waning Gibbous20Thu
21Fri2:168.63:517.89:13-1.09:332.36:048:26Waning Gibbous21Fri
22Sat3:088.24:258.19:51-0.510:262.06:058:25Waning Gibbous22Sat
23Sun4:067.55:018.410:310.211:261.76:058:24Waning Gibbous23Sun
24Mon5:126.85:428.611:151.16:068:23Third Quarter24Mon
25Tue6:326.16:308.812:341.412:072.16:078:23Third Quarter25Tue
26Wed8:015.87:258.91:480.91:092.96:088:22Third Quarter26Wed
27Thu9:285.98:248.93:000.42:203.46:098:21Waning Crescent27Thu
28Fri10:436.39:248.94:06-0.13:303.76:098:20Waning Crescent28Fri
29Sat11:456.710:238.95:05-0.54:363.66:108:19Waning Crescent29Sat
30Sun12:367.15:56-0.85:353.46:118:18Waning Crescent30Sun
31Mon1:207.36:41-0.96:273.16:128:17New Moon31Mon
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 2:52 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 Redwood City, CA?

Redwood City, CA is currently in a spring phase. Tonight's moon is 4% 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 (4% 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