Tides Today & Tomorrow in Redwood City, CA

TIDE TIMES for Tuesday, July 28, 2026
The tide is currently rising in Redwood City, CA.
Next low tide : 6:41 pm (3.4 ft)
Next high tide : in 3h 44m at 1:35 pm (7.0 ft)
Sunset today : 8:20 pm
Sunrise tomorrow : 6:10 am
Moon phase : Full Moon (99% illuminated)
Tide Station Location : Station #9414523
Common Questions About Tides

Redwood City, CA Tides - Oct 1972

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun9:187.08:267.72:340.32:393.17:046:51Waning Crescent1Sun
2Mon10:097.49:357.73:330.33:452.47:056:50Waning Crescent2Mon
3Tue10:537.810:347.74:230.34:411.87:066:48Waning Crescent3Tue
4Wed11:308.111:277.75:070.55:311.27:076:47Waning Crescent4Wed
5Thu12:038.25:460.86:170.87:086:45New Moon5Thu
6Fri12:157.612:328.36:211.26:580.57:096:44New Moon6Fri
7Sat1:017.512:578.36:551.77:370.37:106:43New Moon7Sat
8Sun1:457.31:218.27:282.28:130.37:106:41New Moon8Sun
9Mon2:297.11:438.28:002.68:480.47:116:40Waxing Crescent9Mon
10Tue3:146.92:088.18:323.19:230.57:126:38Waxing Crescent10Tue
11Wed4:016.62:378.09:083.49:590.77:136:37Waxing Crescent11Wed
12Thu4:506.43:147.89:483.710:410.97:146:35Waxing Crescent12Thu
13Fri5:466.24:007.510:353.911:321.17:156:34First Quarter13Fri
14Sat6:476.15:007.211:364.07:166:33First Quarter14Sat
15Sun7:486.36:146.912:341.212:513.97:176:31First Quarter15Sun
16Mon8:406.57:356.91:391.12:043.57:186:30First Quarter16Mon
17Tue9:246.98:477.02:371.03:082.97:196:28Waxing Gibbous17Tue
18Wed10:037.49:527.33:280.84:042.17:206:27Waxing Gibbous18Wed
19Thu10:387.910:527.54:150.84:551.27:216:26Waxing Gibbous19Thu
20Fri11:118.411:507.65:001.05:440.47:226:24Waxing Gibbous20Fri
21Sat11:458.95:451.36:32-0.47:236:23Full Moon21Sat
22Sun12:467.612:219.26:291.77:20-0.97:246:22Full Moon22Sun
23Mon1:437.612:599.57:142.18:09-1.27:256:21Full Moon23Mon
24Tue2:417.51:409.58:022.58:59-1.27:266:19Waning Gibbous24Tue
25Wed3:407.32:279.38:522.99:52-1.07:276:18Waning Gibbous25Wed
26Thu4:417.13:208.89:473.210:48-0.77:286:17Waning Gibbous26Thu
27Fri5:446.94:218.310:483.411:49-0.27:296:16Third Quarter27Fri
28Sat6:477.05:337.611:583.47:306:15Third Quarter28Sat
29Sun6:487.15:537.212:530.212:153.16:315:13Third Quarter29Sun
30Mon7:427.47:116.912:560.51:272.56:325:12Third Quarter30Mon
31Tue8:297.88:206.91:520.72:311.86:335:11Waning Crescent31Tue
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 4:08 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 99% 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 Full Moon (99% 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