Tides Today & Tomorrow in South Dewees Island, SC

TIDE TIMES for Thursday, June 25, 2026
The tide is currently rising in South Dewees Island, SC.
Next low tide : 11:55 pm (0.5 ft)
Next high tide : in 5h 38m at 5:53 pm (5.2 ft)
Sunset today : 8:30 pm
Sunrise tomorrow : 6:12 am
Moon phase : Waxing Gibbous (84% illuminated)
Tide Station Location : Station #8665111
Common Questions About Tides

South Dewees Island, SC Tides - Jul 2044

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri1:265.12:145.07:28-0.17:570.46:148:31First Quarter1Fri
2Sat2:164.83:075.18:190.08:570.56:158:31First Quarter2Sat
3Sun3:054.53:595.19:080.19:550.66:158:31First Quarter3Sun
4Mon3:554.34:505.29:560.210:500.66:168:30Waxing Gibbous4Mon
5Tue4:464.15:395.210:430.211:420.66:168:30Waxing Gibbous5Tue
6Wed5:364.16:265.311:300.36:178:30Waxing Gibbous6Wed
7Thu6:254.17:095.312:300.512:150.36:178:30Waxing Gibbous7Thu
8Fri7:114.17:515.31:150.512:580.36:188:30Full Moon8Fri
9Sat7:554.28:315.31:570.41:400.36:188:29Full Moon9Sat
10Sun8:374.29:105.32:380.42:200.36:198:29Full Moon10Sun
11Mon9:184.29:475.23:150.43:000.36:198:29Full Moon11Mon
12Tue9:574.210:215.13:510.43:380.46:208:29Waning Gibbous12Tue
13Wed10:344.210:535.04:250.34:180.46:218:28Waning Gibbous13Wed
14Thu11:114.311:264.94:590.34:590.56:218:28Waning Gibbous14Thu
15Fri11:514.55:360.35:460.66:228:27Waning Gibbous15Fri
16Sat12:044.812:374.76:160.26:390.76:228:27Third Quarter16Sat
17Sun12:484.61:294.97:030.17:400.86:238:26Third Quarter17Sun
18Mon1:414.52:265.17:550.08:460.86:248:26Third Quarter18Mon
19Tue2:394.43:275.38:51-0.19:530.76:248:25Third Quarter19Tue
20Wed3:444.34:335.69:51-0.211:000.56:258:25Waning Crescent20Wed
21Thu4:544.35:415.810:54-0.36:258:24Waning Crescent21Thu
22Fri6:044.46:456.012:030.311:57 AM-0.46:268:24Waning Crescent22Fri
23Sat7:084.67:446.21:020.112:58-0.66:278:23New Moon23Sat
24Sun8:094.88:406.21:58-0.21:56-0.76:278:23New Moon24Sun
25Mon9:085.09:356.22:51-0.32:53-0.76:288:22New Moon25Mon
26Tue10:055.210:266.03:41-0.43:48-0.56:298:21Waxing Crescent26Tue
27Wed11:015.211:155.74:29-0.44:41-0.36:298:21Waxing Crescent27Wed
28Thu11:545.35:15-0.35:350.06:308:20Waxing Crescent28Thu
29Fri12:035.412:475.36:02-0.16:300.36:318:19Waxing Crescent29Fri
30Sat12:515.01:405.26:490.17:280.66:318:18First Quarter30Sat
31Sun1:384.72:315.27:370.38:260.86:328:17First Quarter31Sun
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 8:54 pm — 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 84% 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 (84% 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