Tides Today & Tomorrow in South Dewees Island, SC

TIDE TIMES for Friday, July 3, 2026
The tide is currently falling in South Dewees Island, SC.
Next low tide : in 16m at 4:37 am (0.3 ft)
Next high tide : 10:44 am (4.2 ft)
Sunset today : 8:31 pm
Sunrise tomorrow : 6:15 am
Moon phase : Waning Gibbous (88% illuminated)
Tide Station Location : Station #8665111
Common Questions About Tides

South Dewees Island, SC Tides - May 1997

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu3:255.24:015.09:37-0.110:020.16:318:00Third Quarter1Thu
2Fri4:325.35:065.410:36-0.311:07-0.16:308:01Waning Crescent2Fri
3Sat5:355.36:065.711:32-0.56:298:02Waning Crescent3Sat
4Sun6:335.47:016.012:08-0.312:26-0.76:288:02Waning Crescent4Sun
5Mon7:265.47:526.21:05-0.51:17-0.86:278:03New Moon5Mon
6Tue8:175.38:416.21:58-0.62:05-0.76:268:04New Moon6Tue
7Wed9:065.29:296.12:50-0.52:53-0.66:258:05New Moon7Wed
8Thu9:555.010:155.93:38-0.43:39-0.46:248:05Waxing Crescent8Thu
9Fri10:444.811:005.74:25-0.24:24-0.26:248:06Waxing Crescent9Fri
10Sat11:324.711:455.45:120.05:090.16:238:07Waxing Crescent10Sat
11Sun12:224.55:580.35:560.46:228:08Waxing Crescent11Sun
12Mon12:325.11:134.46:460.56:470.76:218:08First Quarter12Mon
13Tue1:204.92:054.37:360.77:420.96:208:09First Quarter13Tue
14Wed2:104.72:584.48:260.78:390.96:208:10First Quarter14Wed
15Thu3:014.63:504.59:140.79:350.96:198:10First Quarter15Thu
16Fri3:524.54:424.610:010.610:290.86:188:11Waxing Gibbous16Fri
17Sat4:454.55:324.910:460.511:210.66:188:12Waxing Gibbous17Sat
18Sun5:354.66:185.111:300.46:178:13Waxing Gibbous18Sun
19Mon6:224.67:015.312:100.512:120.26:168:13Waxing Gibbous19Mon
20Tue7:064.77:415.512:570.312:540.16:168:14Full Moon20Tue
21Wed7:484.78:205.61:420.11:36-0.16:158:15Full Moon21Wed
22Thu8:294.78:595.72:260.02:19-0.26:158:15Full Moon22Thu
23Fri9:124.79:405.73:10-0.13:03-0.26:148:16Full Moon23Fri
24Sat9:574.710:255.73:55-0.23:49-0.26:148:17Waning Gibbous24Sat
25Sun10:464.711:145.64:42-0.24:38-0.26:138:17Waning Gibbous25Sun
26Mon11:404.75:30-0.25:31-0.16:138:18Waning Gibbous26Mon
27Tue12:085.512:404.76:23-0.26:300.16:138:19Third Quarter27Tue
28Wed1:075.41:434.87:20-0.27:350.26:128:19Third Quarter28Wed
29Thu2:095.32:475.08:18-0.28:430.26:128:20Third Quarter29Thu
30Fri3:115.23:505.29:16-0.39:490.16:118:20Third Quarter30Fri
31Sat4:135.14:515.510:13-0.410:530.06:118:21Waning Crescent31Sat
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 7:40 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 88% 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 (88% 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