Tides Today & Tomorrow in St. Simons Island, GA

TIDE TIMES for Wednesday, July 8, 2026
The tide is currently falling in St. Simons Island, GA.
Next low tide : in 3h 44m at 9:02 am (0.0 ft)
Next high tide : 3:10 pm (6.9 ft)
Sunset today : 8:32 pm
Sunrise tomorrow : 6:28 am
Moon phase : Third Quarter (41% illuminated)
Tide Station Location : Station #8677344
Common Questions About Tides

St. Simons Island, GA Tides - Jan 1997

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed12:495.41:055.67:020.87:210.47:245:34Third Quarter1Wed
2Thu1:365.51:555.58:010.88:160.37:245:35Third Quarter2Thu
3Fri2:295.72:505.59:040.79:130.17:245:36Third Quarter3Fri
4Sat3:276.03:505.610:060.510:11-0.17:245:36Waning Crescent4Sat
5Sun4:266.34:495.811:060.111:09-0.57:245:37Waning Crescent5Sun
6Mon5:246.85:466.112:03-0.37:245:38Waning Crescent6Mon
7Tue6:187.26:396.512:06-0.912:59-0.77:245:39New Moon7Tue
8Wed7:097.67:306.81:02-1.31:51-1.27:255:39New Moon8Wed
9Thu8:007.98:227.01:56-1.62:41-1.57:255:40New Moon9Thu
10Fri8:527.99:157.02:48-1.73:30-1.67:245:41New Moon10Fri
11Sat9:457.810:097.03:39-1.74:19-1.67:245:42Waxing Crescent11Sat
12Sun10:407.511:067.04:32-1.55:10-1.57:245:43Waxing Crescent12Sun
13Mon11:367.25:27-1.16:03-1.27:245:44Waxing Crescent13Mon
14Tue12:036.812:326.86:27-0.77:00-1.07:245:44First Quarter14Tue
15Wed1:016.71:306.37:32-0.48:00-0.87:245:45First Quarter15Wed
16Thu2:006.52:296.08:39-0.18:59-0.67:245:46First Quarter16Thu
17Fri3:016.43:305.89:440.09:57-0.57:245:47Waxing Gibbous17Fri
18Sat4:016.44:305.710:430.010:52-0.57:235:48Waxing Gibbous18Sat
19Sun4:596.55:265.711:39-0.111:44-0.57:235:49Waxing Gibbous19Sun
20Mon5:516.66:165.812:29-0.27:235:50Waxing Gibbous20Mon
21Tue6:376.77:015.912:32-0.61:15-0.37:225:51Full Moon21Tue
22Wed7:206.77:436.01:18-0.61:56-0.47:225:52Full Moon22Wed
23Thu7:596.88:226.01:59-0.72:33-0.47:225:52Full Moon23Thu
24Fri8:376.78:595.92:37-0.63:06-0.47:215:53Full Moon24Fri
25Sat9:136.59:355.83:12-0.53:37-0.37:215:54Full Moon25Sat
26Sun9:486.410:105.73:46-0.44:07-0.27:205:55Waning Gibbous26Sun
27Mon10:246.110:445.74:20-0.24:37-0.17:205:56Waning Gibbous27Mon
28Tue11:005.911:215.64:550.05:110.07:195:57Waning Gibbous28Tue
29Wed11:395.85:350.35:490.07:195:58Waning Gibbous29Wed
30Thu12:025.612:235.66:210.46:350.17:185:59Third Quarter30Thu
31Fri12:485.71:125.57:180.67:300.17:186:00Third Quarter31Fri
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 12:06 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 neap phase. Tonight's moon is 41% 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 minimum.

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 (41% illuminated). This places St. Simons Island, GA in a neap tide cycle, so tidal ranges are near their weekly minimum 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