Tides Today & Tomorrow in South Dewees Island, SC

TIDE TIMES for Sunday, June 28, 2026
The tide is currently falling in South Dewees Island, SC.
Next low tide : in 4h 00m at 1:09 pm (0.3 ft)
Next high tide : 8:01 pm (5.3 ft)
Sunset today : 8:31 pm
Sunrise tomorrow : 6:13 am
Moon phase : Full Moon (98% illuminated)
Tide Station Location : Station #8665111
Common Questions About Tides

South Dewees Island, SC Tides - Jun 2001

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri4:405.05:305.510:43-0.311:200.06:118:22Waxing Gibbous1Fri
2Sat5:364.96:235.711:35-0.46:118:22Waxing Gibbous2Sat
3Sun6:294.97:115.812:17-0.112:24-0.46:108:23Waxing Gibbous3Sun
4Mon7:174.87:575.91:09-0.21:10-0.46:108:23Full Moon4Mon
5Tue8:034.78:405.81:59-0.21:55-0.36:108:24Full Moon5Tue
6Wed8:474.69:225.72:46-0.22:38-0.16:108:24Full Moon6Wed
7Thu9:324.410:045.53:30-0.13:190.06:108:25Full Moon7Thu
8Fri10:164.310:445.34:120.13:590.26:108:25Waning Gibbous8Fri
9Sat11:004.211:255.14:530.24:390.46:108:26Waning Gibbous9Sat
10Sun11:444.15:330.45:190.66:108:26Waning Gibbous10Sun
11Mon12:064.912:314.16:140.56:030.86:108:27Waning Gibbous11Mon
12Tue12:504.71:194.16:570.66:540.96:108:27Third Quarter12Tue
13Wed1:364.62:094.27:420.67:501.06:108:27Third Quarter13Wed
14Thu2:244.52:584.38:280.68:481.06:108:28Third Quarter14Thu
15Fri3:124.43:484.59:140.49:460.96:108:28Third Quarter15Fri
16Sat4:034.34:404.810:010.310:440.76:108:28Waning Crescent16Sat
17Sun4:564.35:315.110:500.111:400.56:108:29Waning Crescent17Sun
18Mon5:494.46:205.411:40-0.16:108:29Waning Crescent18Mon
19Tue6:414.47:085.712:340.312:30-0.36:108:29Waning Crescent19Tue
20Wed7:314.57:565.91:260.01:20-0.56:108:30New Moon20Wed
21Thu8:224.68:476.02:17-0.22:12-0.66:118:30New Moon21Thu
22Fri9:174.69:406.13:08-0.33:04-0.66:118:30New Moon22Fri
23Sat10:144.710:356.03:59-0.43:57-0.66:118:30Waxing Crescent23Sat
24Sun11:124.711:315.94:49-0.44:52-0.56:118:30Waxing Crescent24Sun
25Mon12:134.85:42-0.45:50-0.36:128:30Waxing Crescent25Mon
26Tue12:285.71:154.96:37-0.36:52-0.16:128:31First Quarter26Tue
27Wed1:265.42:155.07:33-0.37:570.06:128:31First Quarter27Wed
28Thu2:235.23:145.28:29-0.39:010.16:138:31First Quarter28Thu
29Fri3:194.94:125.39:23-0.310:030.26:138:31First Quarter29Fri
30Sat4:154.75:095.510:16-0.311:020.16:148:31Waxing Gibbous30Sat
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 4:35 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 98% 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 Full Moon (98% 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