31.1317’ N, 81.3967’ W

St. Simons Island, GA

78°
H 86°
L 75°
SSW
4mph
High tide
7:38 am

Tides Today & Tomorrow in St. Simons Island, GA

TIDE TIMES for Wednesday, August 26, 2026
The tide is currently rising in St. Simons Island, GA.
Next low tide : 1:49 pm (0.7 ft)
Next high tide : in 13m at 7:38 am (6.5 ft)
Sunset today : 7:56 pm
Sunrise tomorrow : 6:58 am
Moon phase : Full Moon (98% illuminated)
Tide Station Location : Station #8677344
Common Questions About Tides

St. Simons Island, GA Tides - Jun 1921

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed4:345.95:076.610:590.411:360.96:228:24Waning Crescent1Wed
2Thu5:306.05:597.011:500.16:218:24Waning Crescent2Thu
3Fri6:236.26:497.512:320.512:42-0.26:218:25Waning Crescent3Fri
4Sat7:146.47:387.91:270.21:34-0.46:218:25New Moon4Sat
5Sun8:046.68:268.22:20-0.22:26-0.76:218:26New Moon5Sun
6Mon8:536.89:158.33:11-0.53:17-0.96:218:26New Moon6Mon
7Tue9:456.910:078.34:01-0.74:08-1.06:218:27New Moon7Tue
8Wed10:406.911:018.14:51-0.85:00-0.96:208:27Waxing Crescent8Wed
9Thu11:386.911:587.95:41-0.85:54-0.76:208:28Waxing Crescent9Thu
10Fri12:386.96:35-0.76:53-0.46:208:28Waxing Crescent10Fri
11Sat12:567.61:386.97:32-0.57:57-0.16:208:29First Quarter11Sat
12Sun1:547.32:376.98:31-0.49:040.16:208:29First Quarter12Sun
13Mon2:527.03:377.09:30-0.410:090.16:208:29First Quarter13Mon
14Tue3:516.74:377.110:27-0.411:100.16:208:30First Quarter14Tue
15Wed4:516.55:357.211:21-0.46:208:30Waxing Gibbous15Wed
16Thu5:486.46:287.312:080.112:13-0.36:218:30Waxing Gibbous16Thu
17Fri6:416.37:177.41:020.01:03-0.36:218:31Waxing Gibbous17Fri
18Sat7:316.38:017.51:52-0.11:50-0.26:218:31Full Moon18Sat
19Sun8:166.38:437.42:39-0.12:34-0.26:218:31Full Moon19Sun
20Mon8:596.39:237.33:22-0.13:15-0.16:218:32Full Moon20Mon
21Tue9:416.210:027.14:01-0.13:520.16:218:32Full Moon21Tue
22Wed10:226.110:416.94:370.04:280.36:228:32Waning Gibbous22Wed
23Thu11:035.911:196.65:110.25:030.56:228:32Waning Gibbous23Thu
24Fri11:445.911:586.45:450.35:390.76:228:32Waning Gibbous24Fri
25Sat12:255.86:200.46:180.96:228:33Waning Gibbous25Sat
26Sun12:376.21:075.96:580.57:031.06:238:33Third Quarter26Sun
27Mon1:186.01:506.07:410.57:551.16:238:33Third Quarter27Mon
28Tue2:025.92:376.18:290.48:541.16:238:33Third Quarter28Tue
29Wed2:515.83:276.49:210.39:561.06:248:33Third Quarter29Wed
30Thu3:465.84:236.710:150.210:580.86:248:33Waning Crescent30Thu
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8677344)

Common Questions About St. Simons Island, GA Tides

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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 98% 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 Full Moon (98% 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