Tides Today & Tomorrow in Old Tower, Sapelo Island, GA

TIDE TIMES for Tuesday, August 18, 2026
The tide is currently falling in Old Tower, Sapelo Island, GA.
Next low tide : in 1h 27m at 7:49 pm (1.2 ft)
Next high tide (tomorrow) : 1:46 am (6.4 ft)
Sunset today : 8:05 pm
Sunrise tomorrow : 6:52 am
Moon phase : First Quarter (36% illuminated)
Tide Station Location : Station #8675622
Common Questions About Tides

Old Tower, Sapelo Island, GA Tides - Apr 1927

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri7:308.17:488.31:22-1.11:50-1.26:146:43New Moon1Fri
2Sat8:208.18:388.62:16-1.32:39-1.46:136:44New Moon2Sat
3Sun9:108.09:288.63:08-1.33:26-1.46:126:45New Moon3Sun
4Mon10:007.610:198.43:59-1.24:14-1.16:106:45Waxing Crescent4Mon
5Tue10:537.211:138.04:50-0.85:02-0.76:096:46Waxing Crescent5Tue
6Wed11:506.75:42-0.35:52-0.26:086:47Waxing Crescent6Wed
7Thu12:107.612:496.36:370.36:470.36:076:47First Quarter7Thu
8Fri1:087.21:486.17:380.77:480.76:056:48First Quarter8Fri
9Sat2:066.82:476.08:411.08:520.96:046:49First Quarter9Sat
10Sun3:046.63:456.09:431.09:560.96:036:49First Quarter10Sun
11Mon4:016.54:426.210:390.910:530.86:026:50Waxing Gibbous11Mon
12Tue4:566.65:336.411:270.811:440.66:016:51Waxing Gibbous12Tue
13Wed5:466.76:196.712:090.65:596:51Waxing Gibbous13Wed
14Thu6:306.87:007.012:290.412:470.45:586:52Waxing Gibbous14Thu
15Fri7:106.97:377.21:120.21:240.35:576:53Full Moon15Fri
16Sat7:486.98:127.31:530.11:590.25:566:53Full Moon16Sat
17Sun8:246.98:447.32:320.12:340.25:556:54Full Moon17Sun
18Mon8:586.79:147.33:100.13:080.25:546:55Full Moon18Mon
19Tue9:326.59:457.23:470.23:430.35:536:55Waning Gibbous19Tue
20Wed10:066.310:197.14:240.44:180.45:516:56Waning Gibbous20Wed
21Thu10:456.111:017.05:030.54:580.55:506:57Waning Gibbous21Thu
22Fri11:326.011:536.95:470.75:430.75:496:57Waning Gibbous22Fri
23Sat12:286.06:380.86:380.85:486:58Third Quarter23Sat
24Sun12:546.92:296.18:370.98:420.86:477:59Third Quarter24Sun
25Mon2:586.93:326.49:410.79:530.76:467:59Third Quarter25Mon
26Tue4:047.04:366.710:440.411:030.46:458:00Third Quarter26Tue
27Wed5:107.25:397.211:440.06:448:01Waning Crescent27Wed
28Thu6:147.56:407.812:080.012:40-0.56:438:01Waning Crescent28Thu
29Fri7:127.77:358.31:08-0.51:32-0.96:428:02Waning Crescent29Fri
30Sat8:067.88:278.72:05-0.82:23-1.16:418:03New Moon30Sat
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8675622)

Common Questions About Old Tower, Sapelo Island, GA Tides

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What time does the tide turn (slack tide) in Old Tower, Sapelo Island, GA today?

Slack tide in Old Tower, Sapelo Island, GA is approximately 10:47 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 Old Tower, Sapelo Island, GA?

Old Tower, Sapelo Island, GA 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 Old Tower, Sapelo Island, GA 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 Old Tower, Sapelo Island, GA?

Tide predictions for Old Tower, Sapelo Island, GA 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 Old Tower, Sapelo Island, GA?

Tide data for Old Tower, Sapelo Island, GA is sourced from NOAA Station #8675622. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8675622.

What is the moon phase in Old Tower, Sapelo Island, GA tonight?

Tonight the moon over Old Tower, Sapelo Island, GA is First Quarter (36% illuminated). This places Old Tower, Sapelo Island, GA 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