Tides Today & Tomorrow in South Dewees Island, SC

TIDE TIMES for Wednesday, July 1, 2026
The tide is currently falling in South Dewees Island, SC.
Next low tide (tomorrow) : in 5h 40m at 4:02 am (0.3 ft)
Next high tide (tomorrow) : 10:06 am (4.1 ft)
Sunset today : 8:31 pm
Sunrise tomorrow : 6:14 am
Moon phase : Full Moon (97% illuminated)
Tide Station Location : Station #8665111
Common Questions About Tides

South Dewees Island, SC Tides - Oct 2051

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun6:095.56:275.711:560.67:137:03Waning Crescent1Sun
2Mon6:555.67:085.712:280.712:440.57:137:02Waning Crescent2Mon
3Tue7:375.77:475.71:090.61:290.57:147:01New Moon3Tue
4Wed8:175.88:255.61:470.62:110.57:156:59New Moon4Wed
5Thu8:555.89:025.52:230.62:510.67:156:58New Moon5Thu
6Fri9:325.79:385.32:570.63:300.77:166:57New Moon6Fri
7Sat10:085.610:135.23:300.74:070.97:176:56Waxing Crescent7Sat
8Sun10:425.510:495.04:030.84:451.07:186:54Waxing Crescent8Sun
9Mon11:165.411:254.94:370.95:241.27:186:53Waxing Crescent9Mon
10Tue11:545.45:151.06:071.37:196:52Waxing Crescent10Tue
11Wed12:074.812:395.35:591.06:571.37:206:50First Quarter11Wed
12Thu12:564.81:335.36:521.17:521.37:206:49First Quarter12Thu
13Fri1:534.82:325.47:531.08:501.17:216:48First Quarter13Fri
14Sat2:535.03:335.58:570.99:470.97:226:47First Quarter14Sat
15Sun3:575.24:355.710:020.710:430.67:236:46Waxing Gibbous15Sun
16Mon5:005.65:355.911:050.511:380.27:236:44Waxing Gibbous16Mon
17Tue6:006.06:316.012:060.27:246:43Waxing Gibbous17Tue
18Wed6:566.47:246.112:31-0.11:03-0.17:256:42Full Moon18Wed
19Thu7:496.68:176.21:22-0.41:59-0.27:266:41Full Moon19Thu
20Fri8:436.89:106.12:13-0.52:53-0.37:266:40Full Moon20Fri
21Sat9:386.810:055.93:04-0.53:47-0.27:276:39Waning Gibbous21Sat
22Sun10:346.711:025.73:55-0.44:410.07:286:38Waning Gibbous22Sun
23Mon11:316.54:48-0.25:360.27:296:37Waning Gibbous23Mon
24Tue12:005.512:296.25:420.16:330.57:306:35Waning Gibbous24Tue
25Wed1:005.31:295.96:400.47:340.77:306:34Third Quarter25Wed
26Thu2:015.22:275.77:420.68:330.87:316:33Third Quarter26Thu
27Fri3:005.13:235.58:450.89:290.87:326:32Third Quarter27Fri
28Sat3:575.24:165.49:440.810:210.87:336:31Waning Crescent28Sat
29Sun4:525.35:065.310:400.811:100.77:346:30Waning Crescent29Sun
30Mon5:425.45:535.311:320.711:540.77:356:29Waning Crescent30Mon
31Tue6:285.66:365.312:200.77:356:29Waning Crescent31Tue
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 7:04 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 97% 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 (97% 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