Tides Today & Tomorrow in South Dewees Island, SC

TIDE TIMES for Sunday, August 2, 2026
The tide is currently rising in South Dewees Island, SC.
Next low tide : 4:55 pm (0.5 ft)
Next high tide : in 3h 35m at 10:56 am (4.8 ft)
Sunset today : 8:16 pm
Sunrise tomorrow : 6:33 am
Moon phase : Waning Gibbous (84% illuminated)
Tide Station Location : Station #8665111
Common Questions About Tides

South Dewees Island, SC Tides - Sep 2091

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat10:505.211:105.24:260.54:450.86:537:43Waning Gibbous1Sat
2Sun11:295.211:495.05:000.65:251.06:547:42Waning Gibbous2Sun
3Mon12:095.15:360.76:071.26:557:41Waning Gibbous3Mon
4Tue12:304.812:525.16:150.96:551.36:557:39Third Quarter4Tue
5Wed1:154.61:395.17:000.97:481.46:567:38Third Quarter5Wed
6Thu2:044.52:305.17:511.08:441.46:577:37Third Quarter6Thu
7Fri2:574.53:255.28:460.99:411.36:577:35Third Quarter7Fri
8Sat3:534.64:225.49:430.810:371.16:587:34Waning Crescent8Sat
9Sun4:524.85:195.610:410.611:310.96:597:33Waning Crescent9Sun
10Mon5:495.06:135.911:380.36:597:31Waning Crescent10Mon
11Tue6:425.37:036.112:220.512:330.17:007:30Waning Crescent11Tue
12Wed7:325.77:526.31:110.21:27-0.17:017:29New Moon12Wed
13Thu8:225.98:406.31:590.02:20-0.37:017:27New Moon13Thu
14Fri9:146.19:316.32:47-0.23:13-0.37:027:26New Moon14Fri
15Sat10:086.310:226.13:35-0.34:06-0.37:027:25Waxing Crescent15Sat
16Sun11:036.311:165.94:23-0.35:00-0.17:037:23Waxing Crescent16Sun
17Mon12:006.25:14-0.25:560.27:047:22Waxing Crescent17Mon
18Tue12:135.61:016.16:080.06:570.47:047:20First Quarter18Tue
19Wed1:135.42:046.07:060.38:010.67:057:19First Quarter19Wed
20Thu2:155.23:065.98:090.49:030.77:067:18First Quarter20Thu
21Fri3:175.14:065.99:120.510:030.77:067:16First Quarter21Fri
22Sat4:195.15:055.910:130.610:590.77:077:15Waxing Gibbous22Sat
23Sun5:175.25:585.911:110.611:510.67:087:14Waxing Gibbous23Sun
24Mon6:115.36:455.912:040.57:087:12Waxing Gibbous24Mon
25Tue6:585.57:275.912:380.512:530.57:097:11Full Moon25Tue
26Wed7:415.68:075.81:210.51:390.57:107:10Full Moon26Wed
27Thu8:225.78:455.72:010.42:210.57:107:08Full Moon27Thu
28Fri9:005.79:235.62:390.53:020.67:117:07Full Moon28Fri
29Sat9:385.710:005.43:140.53:400.87:127:06Full Moon29Sat
30Sun10:145.610:365.23:480.64:170.97:127:04Waning Gibbous30Sun
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 1:55 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 spring phase. Tonight's moon is 84% 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 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 Waning Gibbous (84% illuminated). This places South Dewees Island, 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