Tides Today & Tomorrow in Charleston, SC

TIDE TIMES for Tuesday, August 4, 2026
The tide is currently falling in Charleston, SC.
Next low tide : in 5h 31m at 6:56 pm (0.8 ft)
Next high tide (tomorrow) : 12:43 am (5.0 ft)
Sunset today : 8:15 pm
Sunrise tomorrow : 6:35 am
Moon phase : Third Quarter (66% illuminated)
Tide Station Location : Station #8665530
Common Questions About Tides

Charleston, SC Tides - Oct 2090

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun2:505.33:346.09:001.09:491.17:147:03First Quarter1Sun
2Mon3:465.34:285.99:581.110:421.17:157:02Waxing Gibbous2Mon
3Tue4:405.45:195.910:531.111:311.07:157:01Waxing Gibbous3Tue
4Wed5:325.56:055.911:451.07:167:00Waxing Gibbous4Wed
5Thu6:205.76:486.012:160.912:320.97:176:58Waxing Gibbous5Thu
6Fri7:035.97:286.012:570.81:160.97:176:57Full Moon6Fri
7Sat7:436.08:066.01:360.71:580.87:186:56Full Moon7Sat
8Sun8:216.18:445.92:130.72:370.87:196:54Full Moon8Sun
9Mon8:576.19:205.72:480.63:150.87:196:53Full Moon9Mon
10Tue9:316.19:545.63:220.73:530.97:206:52Full Moon10Tue
11Wed10:046.010:265.43:570.74:301.07:216:51Waning Gibbous11Wed
12Thu10:376.011:015.34:340.75:101.17:226:49Waning Gibbous12Thu
13Fri11:156.011:425.25:130.85:531.27:226:48Waning Gibbous13Fri
14Sat12:026.05:590.86:441.37:236:47Third Quarter14Sat
15Sun12:325.112:586.06:520.97:421.37:246:46Third Quarter15Sun
16Mon1:335.22:016.07:530.98:441.17:256:45Third Quarter16Mon
17Tue2:405.33:066.18:580.89:450.97:256:43Third Quarter17Tue
18Wed3:485.64:136.210:040.610:450.67:266:42Waning Crescent18Wed
19Thu4:555.95:176.411:090.311:430.27:276:41Waning Crescent19Thu
20Fri5:586.36:176.612:110.07:286:40Waning Crescent20Fri
21Sat6:556.77:126.612:38-0.11:09-0.27:286:39New Moon21Sat
22Sun7:497.08:046.61:30-0.42:05-0.47:296:38New Moon22Sun
23Mon8:427.28:576.52:21-0.52:59-0.47:306:37New Moon23Mon
24Tue9:357.29:496.33:11-0.53:51-0.37:316:36New Moon24Tue
25Wed10:287.010:416.04:00-0.34:43-0.17:326:35Waxing Crescent25Wed
26Thu11:216.711:345.74:490.05:340.27:326:34Waxing Crescent26Thu
27Fri12:146.45:390.36:270.67:336:33Waxing Crescent27Fri
28Sat12:285.51:096.16:310.77:230.87:346:32First Quarter28Sat
29Sun1:245.32:035.97:281.08:191.07:356:31First Quarter29Sun
30Mon2:195.22:565.78:271.29:131.17:366:30First Quarter30Mon
31Tue3:145.23:475.69:251.310:041.17:376:29First Quarter31Tue
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 9:49 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 Charleston, SC?

Charleston, SC is currently in a transitional phase. Tonight's moon is 66% 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 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 Third Quarter (66% illuminated). This places Charleston, SC 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