Tides Today & Tomorrow in South Dewees Island, SC

TIDE TIMES for Saturday, July 11, 2026
The tide is currently falling in South Dewees Island, SC.
Next low tide (tomorrow) : in 2h 03m at 12:21 am (0.1 ft)
Next high tide (tomorrow) : 6:23 am (4.5 ft)
Sunset today : 8:29 pm
Sunrise tomorrow : 6:19 am
Moon phase : Waning Crescent (11% illuminated)
Tide Station Location : Station #8665111
Common Questions About Tides

South Dewees Island, SC Tides - Oct 1982

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri7:155.47:425.812:560.71:080.67:127:04Full Moon1Fri
2Sat7:555.78:215.81:360.51:530.57:137:02Full Moon2Sat
3Sun8:355.98:595.82:160.32:390.47:147:01Full Moon3Sun
4Mon9:166.09:405.72:570.23:260.47:157:00Full Moon4Mon
5Tue9:596.110:245.53:390.14:130.47:156:58Waning Gibbous5Tue
6Wed10:476.211:135.34:230.15:030.57:166:57Waning Gibbous6Wed
7Thu11:406.15:110.25:580.77:176:56Waning Gibbous7Thu
8Fri12:095.212:406.06:040.37:000.97:176:55Third Quarter8Fri
9Sat1:135.01:475.97:050.58:060.97:186:53Third Quarter9Sat
10Sun2:215.02:555.98:110.69:110.97:196:52Third Quarter10Sun
11Mon3:305.04:025.99:180.510:130.77:196:51Third Quarter11Mon
12Tue4:375.25:066.010:230.411:110.67:206:50Waning Crescent12Tue
13Wed5:395.56:036.011:250.37:216:48Waning Crescent13Wed
14Thu6:355.86:546.112:050.412:220.27:226:47Waning Crescent14Thu
15Fri7:256.07:406.012:530.21:150.17:226:46New Moon15Fri
16Sat8:126.18:235.91:390.22:040.17:236:45New Moon16Sat
17Sun8:566.29:055.72:220.22:520.27:246:44New Moon17Sun
18Mon9:396.19:465.53:030.33:370.47:256:42New Moon18Mon
19Tue10:206.010:275.33:410.44:200.67:266:41Waxing Crescent19Tue
20Wed11:015.811:085.04:180.65:020.87:266:40Waxing Crescent20Wed
21Thu11:425.611:514.84:550.85:451.17:276:39Waxing Crescent21Thu
22Fri12:265.45:331.16:311.37:286:38Waxing Crescent22Fri
23Sat12:384.61:155.26:171.27:221.47:296:37First Quarter23Sat
24Sun1:294.52:075.17:071.48:141.47:296:36First Quarter24Sun
25Mon2:234.53:005.18:041.49:061.47:306:35First Quarter25Mon
26Tue3:184.63:545.29:031.39:561.27:316:34First Quarter26Tue
27Wed4:124.74:465.210:011.210:451.07:326:33Waxing Gibbous27Wed
28Thu5:065.05:365.410:571.011:310.87:336:32Waxing Gibbous28Thu
29Fri5:565.36:235.511:500.87:346:31Waxing Gibbous29Fri
30Sat6:425.67:065.612:160.512:410.57:346:30Waxing Gibbous30Sat
31Sun6:255.96:495.612:590.212:310.36:355:29Full Moon31Sun
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 3:22 am — 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 11% 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 Crescent (11% 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