Tides Today & Tomorrow in St. Simons Island, GA

TIDE TIMES for Sunday, July 26, 2026
The tide is currently rising in St. Simons Island, GA.
Next low tide (tomorrow) : 1:45 am (0.8 ft)
Next high tide : in 5h 52m at 7:12 pm (6.8 ft)
Sunset today : 8:25 pm
Sunrise tomorrow : 6:38 am
Moon phase : Waxing Gibbous (92% illuminated)
Tide Station Location : Station #8677344
Common Questions About Tides

St. Simons Island, GA Tides - Jan 1976

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu7:527.58:096.51:45-1.02:29-0.97:245:33New Moon1Thu
2Fri8:377.48:546.42:31-1.03:12-0.97:245:34New Moon2Fri
3Sat9:217.19:396.33:15-0.83:52-0.77:245:35Waxing Crescent3Sat
4Sun10:056.810:246.13:55-0.54:30-0.57:245:36Waxing Crescent4Sun
5Mon10:476.511:085.94:34-0.25:07-0.27:245:36Waxing Crescent5Mon
6Tue11:306.111:515.85:130.25:450.07:245:37Waxing Crescent6Tue
7Wed12:125.85:550.56:250.27:245:38First Quarter7Wed
8Thu12:365.712:565.56:410.77:090.37:255:39First Quarter8Thu
9Fri1:215.61:435.37:350.97:580.47:255:40First Quarter9Fri
10Sat2:105.62:345.18:341.08:510.37:255:40First Quarter10Sat
11Sun3:025.73:295.19:330.99:440.27:255:41Waxing Gibbous11Sun
12Mon3:565.94:255.210:290.710:370.07:245:42Waxing Gibbous12Mon
13Tue4:516.15:185.411:230.411:30-0.37:245:43Waxing Gibbous13Tue
14Wed5:416.56:075.612:150.17:245:44Waxing Gibbous14Wed
15Thu6:286.86:526.012:21-0.61:04-0.37:245:45Full Moon15Thu
16Fri7:137.27:366.21:11-0.91:50-0.77:245:45Full Moon16Fri
17Sat7:587.48:206.52:00-1.22:35-1.07:245:46Full Moon17Sat
18Sun8:437.59:076.72:47-1.43:18-1.27:245:47Full Moon18Sun
19Mon9:307.49:576.83:34-1.44:03-1.37:235:48Waning Gibbous19Mon
20Tue10:207.310:496.84:23-1.34:49-1.27:235:49Waning Gibbous20Tue
21Wed11:137.011:456.75:15-1.05:38-1.17:235:50Waning Gibbous21Wed
22Thu12:086.66:13-0.76:33-0.97:225:51Third Quarter22Thu
23Fri12:436.71:066.37:18-0.47:34-0.77:225:52Third Quarter23Fri
24Sat1:456.62:076.08:27-0.28:39-0.67:225:53Third Quarter24Sat
25Sun2:506.53:125.89:35-0.19:44-0.57:215:54Third Quarter25Sun
26Mon3:576.54:185.810:39-0.210:46-0.67:215:54Waning Crescent26Mon
27Tue5:026.65:205.911:38-0.411:45-0.77:205:55Waning Crescent27Tue
28Wed5:596.86:166.112:33-0.67:205:56Waning Crescent28Wed
29Thu6:506.97:056.212:40-0.81:23-0.77:195:57New Moon29Thu
30Fri7:357.07:506.31:29-0.92:07-0.87:195:58New Moon30Fri
31Sat8:186.98:326.42:14-0.92:47-0.97:185:59New Moon31Sat
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8677344)

Common Questions About St. Simons Island, GA Tides

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What time does the tide turn (slack tide) in St. Simons Island, GA today?

Slack tide in St. Simons Island, GA is approximately 10:28 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 St. Simons Island, GA?

St. Simons Island, GA is currently in a spring phase. Tonight's moon is 92% 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 St. Simons 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 St. Simons Island, GA?

Tide predictions for St. Simons 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 St. Simons Island, GA?

Tide data for St. Simons Island, GA is sourced from NOAA Station #8677344. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8677344.

What is the moon phase in St. Simons Island, GA tonight?

Tonight the moon over St. Simons Island, GA is Waxing Gibbous (92% illuminated). This places St. Simons Island, GA 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