Tides Today & Tomorrow in Charleston, SC

TIDE TIMES for Saturday, June 20, 2026
The tide is currently rising in Charleston, SC.
Next low tide : 7:30 pm (0.3 ft)
Next high tide : in 5h 02m at 1:37 pm (5.2 ft)
Sunset today : 8:30 pm
Sunrise tomorrow : 6:11 am
Moon phase : First Quarter (37% illuminated)
Tide Station Location : Station #8665530
Common Questions About Tides

Charleston, SC Tides - May 2031

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu3:244.84:154.89:500.810:190.96:328:01First Quarter1Thu
2Fri4:204.95:095.110:400.611:170.66:318:02Waxing Gibbous2Fri
3Sat5:155.06:005.511:300.36:308:02Waxing Gibbous3Sat
4Sun6:075.16:475.912:120.312:190.06:298:03Waxing Gibbous4Sun
5Mon6:565.27:336.21:050.01:07-0.36:288:04Full Moon5Mon
6Tue7:445.38:196.41:56-0.21:55-0.56:278:04Full Moon6Tue
7Wed8:335.39:086.62:46-0.42:44-0.66:268:05Full Moon7Wed
8Thu9:245.39:596.63:37-0.53:34-0.66:258:06Full Moon8Thu
9Fri10:195.310:546.54:27-0.64:26-0.66:258:07Waning Gibbous9Fri
10Sat11:165.211:516.35:19-0.55:20-0.46:248:07Waning Gibbous10Sat
11Sun12:175.26:13-0.46:18-0.16:238:08Waning Gibbous11Sun
12Mon12:516.01:215.27:11-0.27:220.16:228:09Third Quarter12Mon
13Tue1:525.82:255.28:10-0.28:290.36:228:10Third Quarter13Tue
14Wed2:535.63:265.49:08-0.29:350.36:218:10Third Quarter14Wed
15Thu3:515.44:265.610:04-0.210:380.36:208:11Waning Crescent15Thu
16Fri4:485.35:235.810:57-0.211:370.26:198:12Waning Crescent16Fri
17Sat5:425.26:145.911:47-0.36:198:12Waning Crescent17Sat
18Sun6:325.17:006.012:310.112:35-0.36:188:13Waning Crescent18Sun
19Mon7:175.17:426.11:210.11:19-0.36:188:14New Moon19Mon
20Tue8:005.08:226.12:080.12:02-0.26:178:15New Moon20Tue
21Wed8:434.99:016.02:510.12:42-0.16:168:15New Moon21Wed
22Thu9:244.89:395.83:320.23:220.16:168:16New Moon22Thu
23Fri10:064.710:165.74:110.34:000.26:158:17Waxing Crescent23Fri
24Sat10:474.610:525.54:470.44:370.46:158:17Waxing Crescent24Sat
25Sun11:294.511:305.35:230.55:160.66:148:18Waxing Crescent25Sun
26Mon12:114.46:000.75:580.86:148:19Waxing Crescent26Mon
27Tue12:095.212:574.46:390.76:460.96:148:19First Quarter27Tue
28Wed12:535.01:454.57:230.77:411.06:138:20First Quarter28Wed
29Thu1:404.92:354.78:100.68:400.96:138:20First Quarter29Thu
30Fri2:324.83:274.99:000.59:410.86:138:21First Quarter30Fri
31Sat3:264.84:225.29:520.310:420.66:128:22Waxing Gibbous31Sat
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 4:33 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 37% 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 First Quarter (37% 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