Tides Today & Tomorrow in South Dewees Island, SC

TIDE TIMES for Friday, July 10, 2026
The tide is currently falling in South Dewees Island, SC.
Next low tide : in 2h 17m at 11:19 pm (0.4 ft)
Next high tide (tomorrow) : 5:16 am (4.3 ft)
Sunset today : 8:29 pm
Sunrise tomorrow : 6:18 am
Moon phase : Waning Crescent (20% illuminated)
Tide Station Location : Station #8665111
Common Questions About Tides

South Dewees Island, SC Tides - Jul 1984

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun10:294.510:475.84:14-0.24:12-0.46:148:31Waxing Crescent1Sun
2Mon11:254.611:405.75:02-0.25:06-0.36:148:31Waxing Crescent2Mon
3Tue12:234.75:52-0.26:03-0.16:158:31Waxing Crescent3Tue
4Wed12:355.51:244.96:45-0.37:060.06:158:30First Quarter4Wed
5Thu1:315.32:245.17:40-0.38:110.16:168:30First Quarter5Thu
6Fri2:285.03:235.38:35-0.39:150.26:168:30First Quarter6Fri
7Sat3:254.84:225.59:29-0.310:180.26:178:30Waxing Gibbous7Sat
8Sun4:234.65:205.610:24-0.311:190.16:178:30Waxing Gibbous8Sun
9Mon5:214.56:155.711:18-0.36:188:29Waxing Gibbous9Mon
10Tue6:174.47:065.812:150.112:11-0.26:188:29Waxing Gibbous10Tue
11Wed7:094.47:535.81:080.01:01-0.26:198:29Full Moon11Wed
12Thu7:584.48:385.71:570.01:49-0.16:198:29Full Moon12Thu
13Fri8:454.49:225.52:440.02:350.06:208:28Full Moon13Fri
14Sat9:314.410:045.43:270.13:190.16:218:28Full Moon14Sat
15Sun10:164.310:445.24:080.24:010.36:218:27Waning Gibbous15Sun
16Mon11:004.311:235.04:470.34:410.56:228:27Waning Gibbous16Mon
17Tue11:434.35:240.45:220.76:228:27Waning Gibbous17Tue
18Wed12:024.812:274.36:010.56:060.96:238:26Waning Gibbous18Wed
19Thu12:424.61:114.46:390.56:551.06:248:26Third Quarter19Thu
20Fri1:244.41:574.57:200.67:501.16:248:25Third Quarter20Fri
21Sat2:094.32:444.68:040.58:471.16:258:25Third Quarter21Sat
22Sun2:564.23:344.88:510.59:451.16:268:24Third Quarter22Sun
23Mon3:484.14:265.09:410.410:430.96:268:23Waning Crescent23Mon
24Tue4:454.15:225.210:340.311:400.76:278:23Waning Crescent24Tue
25Wed5:434.26:165.511:300.16:288:22Waning Crescent25Wed
26Thu6:384.37:085.812:340.512:25-0.16:288:21Waning Crescent26Thu
27Fri7:314.57:596.01:250.31:19-0.36:298:21New Moon27Fri
28Sat8:244.78:506.12:150.02:13-0.56:308:20New Moon28Sat
29Sun9:184.99:416.13:04-0.23:06-0.56:308:19New Moon29Sun
30Mon10:145.110:336.03:52-0.34:00-0.56:318:19Waxing Crescent30Mon
31Tue11:105.211:255.84:40-0.44:55-0.46:328:18Waxing Crescent31Tue
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 2:17 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 20% 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 Crescent (20% 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