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 2h 24m 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 - Oct 2091

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon10:495.511:125.04:220.84:541.17:137:03Waning Gibbous1Mon
2Tue11:245.411:504.84:560.95:331.37:147:02Waning Gibbous2Tue
3Wed12:035.45:341.06:161.47:147:00Waning Gibbous3Wed
4Thu12:324.712:495.36:191.17:071.57:156:59Third Quarter4Thu
5Fri1:214.61:425.37:111.18:031.47:166:58Third Quarter5Fri
6Sat2:164.72:395.48:101.09:011.37:166:56Third Quarter6Sat
7Sun3:154.83:405.69:110.99:591.17:176:55Third Quarter7Sun
8Mon4:175.04:415.710:130.710:550.87:186:54Waning Crescent8Mon
9Tue5:185.45:406.011:140.411:490.47:186:53Waning Crescent9Tue
10Wed6:165.86:346.212:120.17:196:51Waning Crescent10Wed
11Thu7:096.17:266.312:410.11:08-0.17:206:50New Moon11Thu
12Fri8:016.48:186.31:31-0.22:03-0.37:216:49New Moon12Fri
13Sat8:546.69:106.22:21-0.42:57-0.37:216:48New Moon13Sat
14Sun9:486.710:046.13:11-0.43:51-0.37:226:46Waxing Crescent14Sun
15Mon10:446.710:595.84:01-0.34:45-0.17:236:45Waxing Crescent15Mon
16Tue11:426.511:575.64:52-0.15:400.17:246:44Waxing Crescent16Tue
17Wed12:426.35:470.16:390.47:246:43First Quarter17Wed
18Thu12:585.31:436.06:460.47:410.67:256:42First Quarter18Thu
19Fri2:005.22:435.97:490.68:410.77:266:41First Quarter19Fri
20Sat3:015.13:425.78:530.89:390.77:276:39First Quarter20Sat
21Sun4:005.14:375.69:540.810:330.77:286:38Waxing Gibbous21Sun
22Mon4:565.25:295.610:510.811:220.67:286:37Waxing Gibbous22Mon
23Tue5:485.46:155.611:440.77:296:36Waxing Gibbous23Tue
24Wed6:345.56:575.612:070.612:320.77:306:35Waxing Gibbous24Wed
25Thu7:165.77:375.512:490.51:160.67:316:34Full Moon25Thu
26Fri7:555.88:155.51:280.51:580.67:326:33Full Moon26Fri
27Sat8:325.88:535.32:050.52:370.67:326:32Full Moon27Sat
28Sun9:085.89:305.22:400.53:150.77:336:31Full Moon28Sun
29Mon9:435.710:075.03:150.53:520.87:346:30Waning Gibbous29Mon
30Tue10:165.610:424.83:490.64:280.97:356:29Waning Gibbous30Tue
31Wed10:495.511:174.74:250.75:051.07:366:28Waning Gibbous31Wed
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