Tides Today & Tomorrow in South Dewees Island, SC

TIDE TIMES for Thursday, August 6, 2026
The tide is currently falling in South Dewees Island, SC.
Next low tide : in 2h 56m at 8:50 pm (0.8 ft)
Next high tide (tomorrow) : 2:43 am (4.4 ft)
Sunset today : 8:13 pm
Sunrise tomorrow : 6:36 am
Moon phase : Third Quarter (44% illuminated)
Tide Station Location : Station #8665111
Common Questions About Tides

South Dewees Island, SC Tides - May 1951

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue5:175.05:455.211:080.011:390.36:328:00Waning Crescent1Tue
2Wed6:075.06:335.411:55-0.16:318:00Waning Crescent2Wed
3Thu6:524.97:175.612:320.212:39-0.16:308:01Waning Crescent3Thu
4Fri7:344.87:565.71:200.11:20-0.16:298:02New Moon4Fri
5Sat8:144.78:345.72:050.11:59-0.16:288:03New Moon5Sat
6Sun8:534.69:105.62:470.12:360.06:278:03New Moon6Sun
7Mon9:334.49:465.53:270.23:120.26:268:04New Moon7Mon
8Tue10:124.310:215.34:040.43:480.36:258:05Waxing Crescent8Tue
9Wed10:514.210:585.14:410.54:240.56:248:05Waxing Crescent9Wed
10Thu11:324.011:375.05:180.75:030.66:238:06Waxing Crescent10Thu
11Fri12:153.95:570.95:460.86:238:07Waxing Crescent11Fri
12Sat12:204.81:033.96:400.96:360.96:228:08First Quarter12Sat
13Sun1:084.71:564.07:290.97:340.96:218:08First Quarter13Sun
14Mon2:004.72:504.28:190.88:370.96:208:09First Quarter14Mon
15Tue2:544.63:454.49:100.79:390.86:208:10First Quarter15Tue
16Wed3:504.64:424.810:010.410:410.66:198:11Waxing Gibbous16Wed
17Thu4:474.75:375.210:530.211:410.36:188:11Waxing Gibbous17Thu
18Fri5:444.76:295.611:44-0.16:188:12Waxing Gibbous18Fri
19Sat6:384.87:206.012:380.012:35-0.36:178:13Full Moon19Sat
20Sun7:314.88:116.21:33-0.21:27-0.56:168:13Full Moon20Sun
21Mon8:254.89:046.32:27-0.42:19-0.66:168:14Full Moon21Mon
22Tue9:214.810:016.23:20-0.43:12-0.66:158:15Full Moon22Tue
23Wed10:204.710:596.14:13-0.44:07-0.46:158:15Waning Gibbous23Wed
24Thu11:214.611:585.95:07-0.35:03-0.26:148:16Waning Gibbous24Thu
25Fri12:244.66:02-0.26:030.06:148:17Waning Gibbous25Fri
26Sat12:595.61:274.67:00-0.17:080.26:138:17Third Quarter26Sat
27Sun1:585.32:294.77:570.08:150.46:138:18Third Quarter27Sun
28Mon2:545.13:284.98:530.09:200.56:128:19Third Quarter28Mon
29Tue3:484.94:245.09:440.010:200.56:128:19Third Quarter29Tue
30Wed4:414.75:175.210:330.011:170.46:128:20Waning Crescent30Wed
31Thu5:314.56:055.411:200.06:118:20Waning Crescent31Thu
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8665111)

Common Questions About South Dewees Island, SC Tides

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What time does the tide turn (slack tide) in South Dewees Island, SC today?

Slack tide in South Dewees Island, SC is approximately 11:46 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 South Dewees Island, SC?

South Dewees Island, SC is currently in a neap phase. Tonight's moon is 44% 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 minimum.

What datum are South Dewees Island, 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 South Dewees Island, SC?

Tide predictions for South Dewees Island, 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 South Dewees Island, SC?

Tide data for South Dewees Island, SC is sourced from NOAA Station #8665111. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8665111.

What is the moon phase in South Dewees Island, SC tonight?

Tonight the moon over South Dewees Island, SC is Third Quarter (44% illuminated). This places South Dewees Island, SC in a neap tide cycle, so tidal ranges are near their weekly minimum 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