Tides Today & Tomorrow in St. Simons Island, GA

TIDE TIMES for Monday, July 6, 2026
The tide is currently falling in St. Simons Island, GA.
Next low tide : in 5h 13m at 7:35 pm (0.8 ft)
Next high tide (tomorrow) : 1:37 am (6.2 ft)
Sunset today : 8:33 pm
Sunrise tomorrow : 6:27 am
Moon phase : Third Quarter (62% illuminated)
Tide Station Location : Station #8677344
Common Questions About Tides

St. Simons Island, GA Tides - Jan 2054

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu1:566.52:146.38:26-0.18:50-0.47:245:34Third Quarter1Thu
2Fri2:566.43:126.19:290.09:45-0.47:245:35Third Quarter2Fri
3Sat3:556.44:105.910:280.010:38-0.37:245:36Waning Crescent3Sat
4Sun4:516.55:045.811:23-0.111:27-0.47:245:36Waning Crescent4Sun
5Mon5:426.65:555.912:13-0.17:245:37Waning Crescent5Mon
6Tue6:286.76:405.912:14-0.41:00-0.27:245:38Waning Crescent6Tue
7Wed7:106.87:236.012:58-0.41:43-0.37:245:39New Moon7Wed
8Thu7:496.88:025.91:39-0.52:21-0.37:245:39New Moon8Thu
9Fri8:276.78:405.92:17-0.42:57-0.37:245:40New Moon9Fri
10Sat9:036.69:175.82:52-0.43:30-0.37:245:41New Moon10Sat
11Sun9:376.49:535.73:25-0.34:03-0.27:245:42Waxing Crescent11Sun
12Mon10:126.210:295.63:59-0.14:35-0.17:245:43Waxing Crescent12Mon
13Tue10:476.011:075.64:340.05:100.07:245:44Waxing Crescent13Tue
14Wed11:265.911:495.65:120.25:480.17:245:45Waxing Crescent14Wed
15Thu12:095.75:570.46:330.17:245:45First Quarter15Thu
16Fri12:365.712:575.66:510.57:260.17:245:46First Quarter16Fri
17Sat1:285.91:525.57:550.58:25-0.17:235:47First Quarter17Sat
18Sun2:266.12:555.59:040.49:28-0.37:235:48First Quarter18Sun
19Mon3:306.44:015.610:130.110:30-0.67:235:49Waxing Gibbous19Mon
20Tue4:356.85:075.911:18-0.211:32-1.07:225:50Waxing Gibbous20Tue
21Wed5:387.26:076.312:20-0.77:225:51Waxing Gibbous21Wed
22Thu6:357.77:036.612:32-1.41:18-1.17:225:52Full Moon22Thu
23Fri7:308.07:576.91:29-1.82:11-1.57:215:53Full Moon23Fri
24Sat8:238.18:517.12:24-2.03:02-1.77:215:53Full Moon24Sat
25Sun9:168.09:457.13:16-2.03:51-1.77:215:54Waning Gibbous25Sun
26Mon10:097.710:407.04:08-1.94:39-1.67:205:55Waning Gibbous26Mon
27Tue11:037.311:366.85:01-1.55:29-1.37:205:56Waning Gibbous27Tue
28Wed11:566.95:56-1.06:21-0.97:195:57Waning Gibbous28Wed
29Thu12:316.612:506.46:55-0.57:16-0.67:185:58Third Quarter29Thu
30Fri1:266.41:446.07:58-0.18:13-0.37:185:59Third Quarter30Fri
31Sat2:236.22:405.79:000.19:10-0.17:176:00Third Quarter31Sat
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 10:36 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 transitional phase. Tonight's moon is 62% 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 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 Third Quarter (62% illuminated). This places St. Simons 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