Tides Today & Tomorrow in Harbor River entrance, SC

TIDE TIMES for Tuesday, August 18, 2026
The tide is currently falling in Harbor River entrance, SC.
Next low tide : in 2h 15m at 8:02 pm (1.0 ft)
Next high tide (tomorrow) : 1:17 am (4.5 ft)
Sunset today : 8:00 pm
Sunrise tomorrow : 6:43 am
Moon phase : First Quarter (36% illuminated)
Tide Station Location : Station #8663899
Common Questions About Tides

Harbor River entrance, SC Tides - Nov 1941

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat5:495.66:105.412:080.412:380.66:365:27Waxing Gibbous1Sat
2Sun6:315.76:505.412:500.41:220.66:375:26Full Moon2Sun
3Mon7:095.87:295.31:290.42:040.66:375:25Full Moon3Mon
4Tue7:475.88:075.22:060.42:430.66:385:24Full Moon4Tue
5Wed8:235.78:465.02:420.43:210.76:395:23Full Moon5Wed
6Thu8:585.69:234.83:170.53:570.86:405:23Waning Gibbous6Thu
7Fri9:325.59:594.73:530.64:331.06:415:22Waning Gibbous7Fri
8Sat10:075.410:364.54:290.75:101.16:425:21Waning Gibbous8Sat
9Sun10:455.311:174.55:090.85:511.16:435:20Waning Gibbous9Sun
10Mon11:295.25:540.96:381.26:445:20Third Quarter10Mon
11Tue12:064.512:205.26:471.07:311.16:455:19Third Quarter11Tue
12Wed1:024.61:175.27:480.98:270.96:465:18Third Quarter12Wed
13Thu2:014.82:175.28:510.89:240.76:465:18Third Quarter13Thu
14Fri3:035.03:185.39:540.610:210.36:475:17Waning Crescent14Fri
15Sat4:065.44:205.410:570.311:170.06:485:16Waning Crescent15Sat
16Sun5:055.85:185.611:570.06:495:16Waning Crescent16Sun
17Mon6:006.26:135.712:11-0.312:54-0.36:505:15New Moon17Mon
18Tue6:546.47:085.71:04-0.61:49-0.56:515:15New Moon18Tue
19Wed7:486.68:025.61:57-0.72:43-0.66:525:14New Moon19Wed
20Thu8:436.58:595.52:49-0.83:37-0.66:535:14Waxing Crescent20Thu
21Fri9:396.49:565.33:42-0.74:30-0.46:545:13Waxing Crescent21Fri
22Sat10:366.210:545.24:35-0.45:23-0.26:555:13Waxing Crescent22Sat
23Sun11:335.911:545.05:30-0.16:190.06:565:13Waxing Crescent23Sun
24Mon12:315.66:290.27:170.26:565:12First Quarter24Mon
25Tue12:554.91:285.37:320.58:140.36:575:12First Quarter25Tue
26Wed1:534.92:235.18:350.69:090.46:585:12First Quarter26Wed
27Thu2:504.93:154.99:360.710:000.46:595:12Waxing Gibbous27Thu
28Fri3:445.04:064.810:320.710:490.37:005:11Waxing Gibbous28Fri
29Sat4:355.14:544.811:250.611:340.37:015:11Waxing Gibbous29Sat
30Sun5:215.25:394.812:130.57:025:11Waxing Gibbous30Sun
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8663899)

Common Questions About Harbor River entrance, SC Tides

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What time does the tide turn (slack tide) in Harbor River entrance, SC today?

Slack tide in Harbor River entrance, SC is approximately 10:39 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 Harbor River entrance, SC?

Harbor River entrance, SC is currently in a transitional phase. Tonight's moon is 36% 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 Harbor River entrance, 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 Harbor River entrance, SC?

Tide predictions for Harbor River entrance, 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 Harbor River entrance, SC?

Tide data for Harbor River entrance, SC is sourced from NOAA Station #8663899. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8663899.

What is the moon phase in Harbor River entrance, SC tonight?

Tonight the moon over Harbor River entrance, SC is First Quarter (36% illuminated). This places Harbor River entrance, 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