Tides Today & Tomorrow in Charleston, SC

TIDE TIMES for Saturday, August 1, 2026
The tide is currently falling in Charleston, SC.
Next low tide : in 3h 02m at 4:23 am (0.3 ft)
Next high tide : 10:18 am (5.0 ft)
Sunset today : 8:18 pm
Sunrise tomorrow : 6:33 am
Moon phase : Waning Gibbous (91% illuminated)
Tide Station Location : Station #8665530
Common Questions About Tides

Charleston, SC Tides - Sep 2083

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed12:065.65:430.66:251.36:547:44Waning Gibbous1Wed
2Thu12:235.012:515.56:230.97:141.56:557:43Third Quarter2Thu
3Fri1:104.81:395.47:071.18:071.76:567:41Third Quarter3Fri
4Sat2:004.62:315.47:561.29:031.86:567:40Third Quarter4Sat
5Sun2:534.63:255.48:501.29:571.76:577:39Third Quarter5Sun
6Mon3:494.64:215.59:461.210:501.66:577:37Waning Crescent6Mon
7Tue4:454.75:155.710:421.011:391.46:587:36Waning Crescent7Tue
8Wed5:394.96:045.911:360.86:597:35Waning Crescent8Wed
9Thu6:285.26:496.112:241.112:270.66:597:33Waning Crescent9Thu
10Fri7:135.57:306.21:070.81:170.47:007:32New Moon10Fri
11Sat7:565.88:106.21:480.62:050.37:017:31New Moon11Sat
12Sun8:386.18:516.22:290.32:530.27:017:29New Moon12Sun
13Mon9:226.39:336.13:100.13:420.27:027:28New Moon13Mon
14Tue10:096.410:195.93:530.04:320.37:037:27Waxing Crescent14Tue
15Wed10:596.511:095.74:380.05:230.57:037:25Waxing Crescent15Wed
16Thu11:556.45:260.26:200.77:047:24Waxing Crescent16Thu
17Fri12:045.412:576.36:190.37:220.97:047:23First Quarter17Fri
18Sat1:075.22:056.27:200.58:281.07:057:21First Quarter18Sat
19Sun2:155.13:136.28:270.79:331.07:067:20First Quarter19Sun
20Mon3:245.24:196.29:360.710:350.97:067:19Waxing Gibbous20Mon
21Tue4:325.35:216.310:420.611:320.77:077:17Waxing Gibbous21Tue
22Wed5:355.66:166.311:430.57:087:16Waxing Gibbous22Wed
23Thu6:315.87:036.312:240.612:400.47:087:15Waxing Gibbous23Thu
24Fri7:206.17:476.31:110.41:310.47:097:13Full Moon24Fri
25Sat8:056.28:286.21:550.32:190.47:107:12Full Moon25Sat
26Sun8:476.39:076.02:360.33:050.57:107:11Full Moon26Sun
27Mon9:276.39:465.73:150.43:480.77:117:09Full Moon27Mon
28Tue10:066.210:255.53:510.54:280.97:127:08Waning Gibbous28Tue
29Wed10:446.111:045.34:270.75:081.27:127:06Waning Gibbous29Wed
30Thu11:225.911:455.05:020.95:481.47:137:05Waning Gibbous30Thu
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8665530)

Common Questions About Charleston, SC Tides

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What time does the tide turn (slack tide) in Charleston, SC today?

Slack tide in Charleston, SC is approximately 7:20 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 Charleston, SC?

Charleston, SC is currently in a spring phase. Tonight's moon is 91% 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 Charleston, SC 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 Charleston, SC?

Tide predictions for Charleston, SC 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 Charleston, SC?

Tide data for Charleston, SC is sourced from NOAA Station #8665530. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8665530.

What is the moon phase in Charleston, SC tonight?

Tonight the moon over Charleston, SC is Waning Gibbous (91% illuminated). This places Charleston, SC 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