Tides Today & Tomorrow in South Dewees Island, SC

TIDE TIMES for Tuesday, June 23, 2026
The tide is currently rising in South Dewees Island, SC.
Next low tide : 10:11 pm (0.6 ft)
Next high tide : in 4h 57m at 4:16 pm (5.1 ft)
Sunset today : 8:30 pm
Sunrise tomorrow : 6:11 am
Moon phase : First Quarter (67% illuminated)
Tide Station Location : Station #8665111
Common Questions About Tides

South Dewees Island, SC Tides - May 2041

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed9:235.09:446.03:10-0.43:08-0.46:308:01New Moon1Wed
2Thu10:094.710:285.83:57-0.23:51-0.26:298:01Waxing Crescent2Thu
3Fri10:554.511:125.54:430.14:330.16:298:02Waxing Crescent3Fri
4Sat11:424.311:575.25:290.35:170.46:288:03Waxing Crescent4Sat
5Sun12:324.16:160.66:040.76:278:03Waxing Crescent5Sun
6Mon12:454.91:254.07:060.86:560.96:268:04First Quarter6Mon
7Tue1:364.72:204.07:581.07:551.06:258:05First Quarter7Tue
8Wed2:294.63:154.18:501.08:541.16:248:06First Quarter8Wed
9Thu3:234.54:094.39:380.99:521.06:238:06First Quarter9Thu
10Fri4:164.55:024.510:240.810:470.96:238:07Waxing Gibbous10Fri
11Sat5:074.55:514.811:070.611:390.76:228:08Waxing Gibbous11Sat
12Sun5:554.56:355.011:480.56:218:09Waxing Gibbous12Sun
13Mon6:404.67:155.312:280.512:280.36:208:09Waxing Gibbous13Mon
14Tue7:214.67:545.51:150.31:080.16:208:10Full Moon14Tue
15Wed8:024.68:325.72:000.11:490.06:198:11Full Moon15Wed
16Thu8:434.59:125.82:450.02:32-0.16:188:11Full Moon16Thu
17Fri9:264.59:565.83:300.03:16-0.16:188:12Full Moon17Fri
18Sat10:144.410:445.74:170.04:04-0.16:178:13Waning Gibbous18Sat
19Sun11:064.411:385.65:050.04:540.06:168:14Waning Gibbous19Sun
20Mon12:044.45:570.15:510.16:168:14Waning Gibbous20Mon
21Tue12:385.51:084.46:540.16:550.36:158:15Third Quarter21Tue
22Wed1:425.32:154.67:530.18:040.36:158:16Third Quarter22Wed
23Thu2:445.23:194.88:520.09:130.36:148:16Third Quarter23Thu
24Fri3:455.14:225.19:48-0.210:190.26:148:17Waning Crescent24Fri
25Sat4:455.05:215.410:42-0.311:210.16:138:18Waning Crescent25Sat
26Sun5:425.06:165.711:34-0.46:138:18Waning Crescent26Sun
27Mon6:344.97:065.912:190.012:23-0.56:128:19Waning Crescent27Mon
28Tue7:244.87:526.01:13-0.11:10-0.56:128:20New Moon28Tue
29Wed8:114.78:365.92:03-0.11:56-0.46:128:20New Moon29Wed
30Thu8:574.59:205.82:51-0.12:41-0.26:118:21New Moon30Thu
31Fri9:444.410:025.63:370.03:240.06:118:21New Moon31Fri
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 7:13 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 transitional phase. Tonight's moon is 67% 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 shifting between spring and neap.

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 First Quarter (67% illuminated). This places South Dewees Island, SC in a transitional tide cycle, so tidal ranges are shifting between spring and neap 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