Tides Today & Tomorrow in South Dewees Island, SC

TIDE TIMES for Saturday, July 4, 2026
The tide is currently rising in South Dewees Island, SC.
Next low tide : 5:11 pm (0.5 ft)
Next high tide : in 1h 20m at 11:23 am (4.3 ft)
Sunset today : 8:30 pm
Sunrise tomorrow : 6:15 am
Moon phase : Waning Gibbous (81% illuminated)
Tide Station Location : Station #8665111
Common Questions About Tides

South Dewees Island, SC Tides - Dec 2055

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed5:425.26:014.811:440.611:450.27:035:12Waxing Gibbous1Wed
2Thu6:235.46:424.812:270.47:045:12Full Moon2Thu
3Fri7:015.57:224.712:240.11:080.37:055:12Full Moon3Fri
4Sat7:385.58:004.61:030.01:480.37:055:12Full Moon4Sat
5Sun8:135.58:374.61:420.02:270.37:065:12Full Moon5Sun
6Mon8:505.59:154.52:230.03:070.37:075:12Waning Gibbous6Mon
7Tue9:295.59:574.53:050.03:490.37:085:12Waning Gibbous7Tue
8Wed10:135.410:454.53:510.04:350.37:095:12Waning Gibbous8Wed
9Thu11:035.311:424.54:410.15:260.37:095:12Waning Gibbous9Thu
10Fri12:005.25:390.26:220.27:105:12Third Quarter10Fri
11Sat12:454.61:015.16:430.27:210.17:115:13Third Quarter11Sat
12Sun1:514.82:055.17:500.28:20-0.17:115:13Third Quarter12Sun
13Mon2:575.13:095.08:560.09:19-0.37:125:13Waning Crescent13Mon
14Tue4:025.44:135.010:01-0.110:16-0.57:135:13Waning Crescent14Tue
15Wed5:035.75:135.111:02-0.311:12-0.77:135:14Waning Crescent15Wed
16Thu5:596.06:085.111:59-0.57:145:14New Moon16Thu
17Fri6:516.17:015.112:05-0.812:52-0.67:155:14New Moon17Fri
18Sat7:426.17:525.012:56-0.81:44-0.67:155:15New Moon18Sat
19Sun8:326.08:424.91:46-0.82:33-0.67:165:15New Moon19Sun
20Mon9:205.89:314.72:34-0.63:20-0.47:165:16Waxing Crescent20Mon
21Tue10:065.510:194.63:21-0.44:06-0.27:175:16Waxing Crescent21Tue
22Wed10:525.211:084.44:07-0.14:510.07:175:17Waxing Crescent22Wed
23Thu11:384.911:584.34:550.25:380.27:185:17Waxing Crescent23Thu
24Fri12:254.65:460.56:250.47:185:18First Quarter24Fri
25Sat12:494.21:144.46:410.77:140.57:195:18First Quarter25Sat
26Sun1:414.22:034.37:380.88:010.57:195:19First Quarter26Sun
27Mon2:334.32:544.28:350.88:490.47:195:20First Quarter27Mon
28Tue3:264.43:474.19:300.79:360.37:205:20Waxing Gibbous28Tue
29Wed4:184.64:394.110:230.610:230.27:205:21Waxing Gibbous29Wed
30Thu5:074.85:284.211:120.411:080.07:205:22Waxing Gibbous30Thu
31Fri5:525.06:134.311:580.211:52-0.27:215:22Waxing Gibbous31Fri
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 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 81% 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 (81% 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