32.8333’ N, 79.7267’ W

South Dewees Island, SC

78°
H -°
L 67°
SE
7mph
High tide
10:33 pm

Tides Today & Tomorrow in South Dewees Island, SC

TIDE TIMES for Tuesday, September 29, 2026
The tide is currently rising in South Dewees Island, SC.
Next low tide (tomorrow) : 4:31 am (0.2 ft)
Next high tide : in 4h 26m at 10:33 pm (5.3 ft)
Sunset today : 7:06 pm
Sunrise tomorrow : 7:11 am
Moon phase : Waning Gibbous (89% illuminated)
Tide Station Location : Station #8665111
Common Questions About Tides

South Dewees Island, SC Tides - Apr 1848

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat5:245.35:455.411:23-0.411:48-0.56:106:43Waning Crescent1Sat
2Sun6:175.66:385.812:14-0.76:086:43New Moon2Sun
3Mon7:085.77:296.112:43-0.81:04-0.96:076:44New Moon3Mon
4Tue8:005.78:216.21:37-0.91:53-1.06:066:45New Moon4Tue
5Wed8:525.69:146.22:30-0.92:43-1.06:056:45Waxing Crescent5Wed
6Thu9:465.410:096.13:23-0.83:33-0.86:036:46Waxing Crescent6Thu
7Fri10:425.211:055.94:17-0.64:25-0.66:026:47Waxing Crescent7Fri
8Sat11:404.95:13-0.35:21-0.26:016:48Waxing Crescent8Sat
9Sun12:045.612:424.76:130.06:210.15:596:48First Quarter9Sun
10Mon1:065.31:434.67:160.27:250.35:586:49First Quarter10Mon
11Tue2:075.12:444.68:160.38:280.45:576:50First Quarter11Tue
12Wed3:065.03:434.79:130.39:280.45:566:50Waxing Gibbous12Wed
13Thu4:024.94:374.910:060.310:240.35:546:51Waxing Gibbous13Thu
14Fri4:534.95:265.110:530.211:150.25:536:52Waxing Gibbous14Fri
15Sat5:384.96:095.211:370.15:526:53Waxing Gibbous15Sat
16Sun6:195.06:495.412:010.112:160.15:516:53Full Moon16Sun
17Mon6:584.97:275.412:440.012:530.15:506:54Full Moon17Mon
18Tue7:364.98:045.41:250.01:270.15:486:55Full Moon18Tue
19Wed8:134.88:395.42:030.02:000.25:476:55Full Moon19Wed
20Thu8:494.79:115.32:400.12:330.25:466:56Waning Gibbous20Thu
21Fri9:234.59:425.23:170.23:060.35:456:57Waning Gibbous21Fri
22Sat9:584.410:135.13:530.33:410.45:446:58Waning Gibbous22Sat
23Sun10:354.310:515.04:320.54:220.55:436:58Waning Gibbous23Sun
24Mon11:184.311:374.95:170.65:090.65:426:59Third Quarter24Mon
25Tue12:104.36:070.66:060.65:417:00Third Quarter25Tue
26Wed12:344.91:094.47:030.57:100.65:407:00Third Quarter26Wed
27Thu1:374.92:134.78:010.48:170.55:387:01Third Quarter27Thu
28Fri2:425.03:185.09:000.19:240.25:377:02Waning Crescent28Fri
29Sat3:495.14:225.49:57-0.210:29-0.15:367:03Waning Crescent29Sat
30Sun4:525.35:215.810:53-0.511:29-0.45:357:03Waning Crescent30Sun
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8665111)

Common Questions About South Dewees Island, SC Tides

Collapse All
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 89% 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 (89% 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