Tides Today & Tomorrow in South Dewees Island, SC

TIDE TIMES for Sunday, June 28, 2026
The tide is currently falling in South Dewees Island, SC.
Next low tide : in 8m at 1:09 pm (0.3 ft)
Next high tide : 8:01 pm (5.3 ft)
Sunset today : 8:31 pm
Sunrise tomorrow : 6:13 am
Moon phase : Full Moon (98% illuminated)
Tide Station Location : Station #8665111
Common Questions About Tides

South Dewees Island, SC Tides - Mar 2001

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu11:334.211:584.85:280.35:400.06:466:16First Quarter1Thu
2Fri12:294.16:290.46:380.06:456:16First Quarter2Fri
3Sat1:014.81:364.07:360.57:430.06:436:17First Quarter3Sat
4Sun2:124.92:504.18:450.48:52-0.16:426:18First Quarter4Sun
5Mon3:285.14:064.39:520.19:59-0.46:416:19Waxing Gibbous5Mon
6Tue4:415.35:134.610:54-0.211:03-0.76:406:20Waxing Gibbous6Tue
7Wed5:435.66:125.011:50-0.56:386:20Waxing Gibbous7Wed
8Thu6:395.87:075.412:02-0.912:43-0.76:376:21Full Moon8Thu
9Fri7:315.97:595.612:58-1.11:32-0.96:366:22Full Moon9Fri
10Sat8:215.88:505.71:51-1.22:19-0.96:356:23Full Moon10Sat
11Sun9:095.69:405.72:43-1.13:04-0.86:336:23Waning Gibbous11Sun
12Mon9:565.310:285.53:33-0.83:49-0.66:326:24Waning Gibbous12Mon
13Tue10:424.911:185.34:23-0.54:33-0.36:316:25Waning Gibbous13Tue
14Wed11:304.65:15-0.15:200.06:296:26Waning Gibbous14Wed
15Thu12:095.112:214.36:100.26:110.36:286:26Third Quarter15Thu
16Fri1:024.81:144.17:080.57:060.66:276:27Third Quarter16Fri
17Sat1:574.62:104.08:050.68:040.76:266:28Third Quarter17Sat
18Sun2:544.53:074.09:020.79:030.76:246:29Third Quarter18Sun
19Mon3:524.64:054.19:550.69:590.66:236:29Waning Crescent19Mon
20Tue4:464.74:584.310:440.510:500.56:226:30Waning Crescent20Tue
21Wed5:344.85:454.511:280.411:370.36:206:31Waning Crescent21Wed
22Thu6:164.96:274.712:080.26:196:31Waning Crescent22Thu
23Fri6:565.07:064.912:200.112:450.16:186:32New Moon23Fri
24Sat7:335.07:425.01:000.01:200.06:166:33New Moon24Sat
25Sun8:085.08:165.11:400.01:55-0.16:156:34New Moon25Sun
26Mon8:414.98:485.22:19-0.12:29-0.16:146:34New Moon26Mon
27Tue9:134.79:215.32:580.03:05-0.16:126:35Waxing Crescent27Tue
28Wed9:484.610:005.33:390.13:44-0.16:116:36Waxing Crescent28Wed
29Thu10:294.510:465.34:240.24:280.06:106:36Waxing Crescent29Thu
30Fri11:194.311:415.25:150.35:200.16:086:37First Quarter30Fri
31Sat12:204.26:150.56:200.26:076:38First Quarter31Sat
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 4:35 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 98% 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 (98% 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