Tides Today & Tomorrow in South Dewees Island, SC

TIDE TIMES for Friday, June 26, 2026
The tide is currently rising in South Dewees Island, SC.
Next low tide : 11:43 am (0.2 ft)
Next high tide : in 3h 09m at 5:51 am (4.1 ft)
Sunset today : 8:31 pm
Sunrise tomorrow : 6:12 am
Moon phase : Waxing Gibbous (90% illuminated)
Tide Station Location : Station #8665111
Common Questions About Tides

South Dewees Island, SC Tides - Oct 2004

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri10:345.910:545.24:020.44:400.87:137:03Waning Gibbous1Fri
2Sat11:155.711:364.94:390.65:231.07:147:02Waning Gibbous2Sat
3Sun11:575.65:170.96:081.37:147:00Waning Gibbous3Sun
4Mon12:214.712:435.45:581.16:581.57:156:59Third Quarter4Mon
5Tue1:104.51:335.26:451.37:521.77:166:58Third Quarter5Tue
6Wed2:044.42:275.27:381.48:471.77:166:56Third Quarter6Wed
7Thu2:594.43:235.28:361.49:401.67:176:55Third Quarter7Thu
8Fri3:544.54:185.39:331.310:301.57:186:54Waning Crescent8Fri
9Sat4:504.75:105.410:301.111:161.37:196:53Waning Crescent9Sat
10Sun5:414.95:585.511:230.911:591.07:196:51Waning Crescent10Sun
11Mon6:285.26:425.712:140.77:206:50Waning Crescent11Mon
12Tue7:115.67:225.712:400.71:030.57:216:49New Moon12Tue
13Wed7:525.98:025.81:210.51:500.47:216:48New Moon13Wed
14Thu8:336.18:445.72:020.32:380.37:226:46New Moon14Thu
15Fri9:166.29:275.52:440.13:270.37:236:45New Moon15Fri
16Sat10:026.310:155.43:280.14:170.47:246:44Waxing Crescent16Sat
17Sun10:546.311:075.24:140.25:090.57:246:43Waxing Crescent17Sun
18Mon11:516.15:040.36:050.77:256:42Waxing Crescent18Mon
19Tue12:065.012:566.06:000.57:080.97:266:41First Quarter19Tue
20Wed1:134.82:065.97:050.78:130.97:276:39First Quarter20Wed
21Thu2:244.83:135.88:150.79:170.87:286:38First Quarter21Thu
22Fri3:334.94:185.89:250.710:160.77:286:37Waxing Gibbous22Fri
23Sat4:385.25:175.810:310.611:110.57:296:36Waxing Gibbous23Sat
24Sun5:395.46:105.811:310.57:306:35Waxing Gibbous24Sun
25Mon6:325.76:575.812:010.312:270.47:316:34Waxing Gibbous25Mon
26Tue7:195.97:405.712:470.21:170.47:326:33Full Moon26Tue
27Wed8:026.18:215.51:300.22:050.47:326:32Full Moon27Wed
28Thu8:436.19:015.32:110.22:500.47:336:31Full Moon28Thu
29Fri9:226.09:415.12:490.33:320.67:346:30Full Moon29Fri
30Sat10:005.910:214.93:270.44:130.87:356:29Waning Gibbous30Sat
31Sun9:385.710:024.73:030.63:531.06:365:28Waning Gibbous31Sun
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 8:47 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 90% 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 Waxing Gibbous (90% 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