Tides Today & Tomorrow in South Dewees Island, SC

TIDE TIMES for Saturday, June 27, 2026
The tide is currently falling in South Dewees Island, SC.
Next low tide : in 40m at 12:42 am (0.5 ft)
Next high tide : 6:38 am (4.1 ft)
Sunset today : 8:31 pm
Sunrise tomorrow : 6:12 am
Moon phase : Waxing Gibbous (95% illuminated)
Tide Station Location : Station #8665111
Common Questions About Tides

South Dewees Island, SC Tides - May 2003

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu8:464.79:005.52:340.22:280.16:318:00New Moon1Thu
2Fri9:234.59:335.43:110.33:010.26:308:01New Moon2Fri
3Sat9:594.410:055.33:480.33:350.36:298:01Waxing Crescent3Sat
4Sun10:344.210:375.34:230.54:090.46:288:02Waxing Crescent4Sun
5Mon11:094.111:125.24:590.64:470.56:278:03Waxing Crescent5Mon
6Tue11:474.011:555.15:390.75:300.66:268:04Waxing Crescent6Tue
7Wed12:344.06:240.86:210.66:268:04First Quarter7Wed
8Thu12:455.01:304.07:170.87:210.76:258:05First Quarter8Thu
9Fri1:445.02:324.28:140.78:270.66:248:06First Quarter9Fri
10Sat2:465.03:364.59:120.59:330.46:238:07First Quarter10Sat
11Sun3:505.04:404.910:090.210:390.26:228:07Waxing Gibbous11Sun
12Mon4:535.15:415.411:04-0.111:42-0.16:228:08Waxing Gibbous12Mon
13Tue5:535.26:375.811:58-0.46:218:09Waxing Gibbous13Tue
14Wed6:505.37:306.212:41-0.312:50-0.66:208:09Full Moon14Wed
15Thu7:445.28:236.41:38-0.51:41-0.76:198:10Full Moon15Thu
16Fri8:385.19:176.42:33-0.72:32-0.86:198:11Full Moon16Fri
17Sat9:335.010:116.33:27-0.63:24-0.66:188:12Full Moon17Sat
18Sun10:304.811:076.14:20-0.54:15-0.46:178:12Waning Gibbous18Sun
19Mon11:274.65:13-0.35:09-0.16:178:13Waning Gibbous19Mon
20Tue12:045.812:274.56:08-0.16:060.26:168:14Waning Gibbous20Tue
21Wed1:025.41:274.47:050.27:080.56:168:14Third Quarter21Wed
22Thu1:595.12:264.48:020.38:120.76:158:15Third Quarter22Thu
23Fri2:544.93:234.58:560.49:150.86:158:16Third Quarter23Fri
24Sat3:474.74:174.69:470.410:130.86:148:16Third Quarter24Sat
25Sun4:374.65:084.810:340.311:070.76:148:17Waning Crescent25Sun
26Mon5:254.55:555.011:180.311:570.66:138:18Waning Crescent26Mon
27Tue6:104.56:385.211:590.26:138:18Waning Crescent27Tue
28Wed6:534.57:175.312:430.512:380.26:128:19Waning Crescent28Wed
29Thu7:354.47:555.41:260.41:150.16:128:20New Moon29Thu
30Fri8:154.48:315.52:080.31:530.26:128:20New Moon30Fri
31Sat8:554.39:075.42:470.32:300.26:118:21New Moon31Sat
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 3:40 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 95% 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 (95% 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