Tides Today & Tomorrow in Redwood City, CA

TIDE TIMES for Tuesday, August 4, 2026
The tide is currently rising in Redwood City, CA.
Next low tide : 10:39 am (1.6 ft)
Next high tide : in 2h 13m at 4:39 am (6.6 ft)
Sunset today : 8:14 pm
Sunrise tomorrow : 6:15 am
Moon phase : Third Quarter (64% illuminated)
Tide Station Location : Station #9414523
Common Questions About Tides

Redwood City, CA Tides - Jun 2088

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue11:586.611:208.45:43-0.35:212.55:488:25Waxing Gibbous1Tue
2Wed12:476.76:25-0.56:052.75:488:25Full Moon2Wed
3Thu1:326.87:04-0.66:462.95:488:26Full Moon3Thu
4Fri12:258.22:146.97:40-0.67:263.15:488:27Full Moon4Fri
5Sat12:578.12:546.98:14-0.58:053.25:478:27Full Moon5Sat
6Sun1:308.03:326.98:45-0.48:443.25:478:28Waning Gibbous6Sun
7Mon2:047.84:096.99:17-0.39:253.25:478:28Waning Gibbous7Mon
8Tue2:427.64:446.99:49-0.110:083.15:478:29Waning Gibbous8Tue
9Wed3:257.35:217.010:240.110:583.05:478:29Waning Gibbous9Wed
10Thu4:166.96:007.111:040.411:562.95:478:30Third Quarter10Thu
11Fri5:186.46:437.411:510.85:478:30Third Quarter11Fri
12Sat6:346.07:297.71:022.512:471.35:478:31Third Quarter12Sat
13Sun7:575.98:158.22:111.91:481.75:478:31Third Quarter13Sun
14Mon9:166.09:038.63:141.12:502.05:478:31Waning Crescent14Mon
15Tue10:286.39:519.04:130.33:512.35:478:32Waning Crescent15Tue
16Wed11:346.610:419.35:09-0.54:502.55:478:32Waning Crescent16Wed
17Thu12:347.06:02-1.25:482.55:478:32New Moon17Thu
18Fri1:297.36:52-1.66:442.55:478:33New Moon18Fri
19Sat12:249.52:227.67:41-1.97:392.45:488:33New Moon19Sat
20Sun1:169.43:127.88:28-1.98:332.35:488:33Waxing Crescent20Sun
21Mon2:099.14:007.99:15-1.69:282.25:488:33Waxing Crescent21Mon
22Tue3:048.64:468.110:01-1.210:252.15:488:33Waxing Crescent22Tue
23Wed4:017.95:328.110:46-0.611:252.05:498:34Waxing Crescent23Wed
24Thu5:037.26:198.211:330.25:498:34First Quarter24Thu
25Fri6:106.67:078.212:291.912:230.95:498:34First Quarter25Fri
26Sat7:236.27:558.31:371.61:171.65:508:34First Quarter26Sat
27Sun8:356.08:418.42:421.22:142.25:508:34First Quarter27Sun
28Mon9:446.19:258.43:410.73:092.65:508:34Waxing Gibbous28Mon
29Tue10:466.310:078.44:340.34:022.95:518:34Waxing Gibbous29Tue
30Wed11:406.510:488.45:210.04:523.05:518:34Waxing Gibbous30Wed
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 7:39 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 transitional phase. Tonight's moon is 64% 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 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 Third Quarter (64% illuminated). This places Redwood City, 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