Tides Today & Tomorrow in St. Simons Island, GA

TIDE TIMES for Wednesday, June 24, 2026
The tide is currently rising in St. Simons Island, GA.
Next low tide : 11:57 pm (0.7 ft)
Next high tide : in 5h 27m at 5:24 pm (6.7 ft)
Sunset today : 8:33 pm
Sunrise tomorrow : 6:23 am
Moon phase : Waxing Gibbous (76% illuminated)
Tide Station Location : Station #8677344
Common Questions About Tides

St. Simons Island, GA Tides - Jun 2015

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon8:006.38:227.42:180.22:12-0.16:228:24Full Moon1Mon
2Tue8:406.49:007.63:020.02:55-0.26:228:25Full Moon2Tue
3Wed9:226.59:417.63:44-0.23:39-0.36:218:25Full Moon3Wed
4Thu10:066.510:267.64:27-0.34:23-0.36:218:26Waning Gibbous4Thu
5Fri10:546.511:157.55:11-0.35:09-0.26:218:26Waning Gibbous5Fri
6Sat11:466.55:57-0.35:59-0.16:218:27Waning Gibbous6Sat
7Sun12:087.412:426.66:48-0.36:560.16:218:27Waning Gibbous7Sun
8Mon1:057.21:406.77:44-0.38:000.36:218:28Third Quarter8Mon
9Tue2:037.02:406.98:44-0.39:100.36:218:28Third Quarter9Tue
10Wed3:046.93:427.19:44-0.410:190.26:218:28Third Quarter10Wed
11Thu4:076.74:447.310:43-0.511:240.16:218:29Waning Crescent11Thu
12Fri5:116.65:457.611:40-0.76:218:29Waning Crescent12Fri
13Sat6:126.66:427.812:25-0.112:36-0.86:218:30Waning Crescent13Sat
14Sun7:096.77:358.01:24-0.31:30-0.86:218:30Waning Crescent14Sun
15Mon8:026.78:248.02:18-0.52:21-0.86:218:30New Moon15Mon
16Tue8:516.79:117.93:08-0.53:10-0.76:218:31New Moon16Tue
17Wed9:396.59:567.73:55-0.53:56-0.56:218:31New Moon17Wed
18Thu10:276.410:417.44:38-0.34:39-0.36:218:31Waxing Crescent18Thu
19Fri11:146.211:267.15:18-0.15:200.16:218:32Waxing Crescent19Fri
20Sat12:016.05:570.16:020.46:218:32Waxing Crescent20Sat
21Sun12:106.812:475.96:350.36:450.86:228:32Waxing Crescent21Sun
22Mon12:546.51:335.97:150.57:331.06:228:32First Quarter22Mon
23Tue1:396.22:185.97:570.68:261.26:228:32First Quarter23Tue
24Wed2:246.03:055.98:420.79:211.26:228:33First Quarter24Wed
25Thu3:125.83:536.09:300.610:171.26:238:33First Quarter25Thu
26Fri4:025.74:436.210:190.511:111.06:238:33Waxing Gibbous26Fri
27Sat4:555.75:336.511:090.46:238:33Waxing Gibbous27Sat
28Sun5:485.86:226.812:040.811:59 AM0.26:248:33Waxing Gibbous28Sun
29Mon6:386.07:087.112:560.512:500.06:248:33Waxing Gibbous29Mon
30Tue7:266.27:537.41:460.21:41-0.36:248:33Full Moon30Tue
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 8:40 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 76% 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 Waxing Gibbous (76% 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