31.1317’ N, 81.3967’ W

St. Simons Island, GA

78°
H -°
L 76°
SSW
1mph
Low tide
3:52 am

Tides Today & Tomorrow in St. Simons Island, GA

TIDE TIMES for Friday, September 11, 2026
The tide is currently falling in St. Simons Island, GA.
Next low tide (tomorrow) : in 5h 28m at 3:52 am (0.0 ft)
Next high tide (tomorrow) : 9:52 am (8.0 ft)
Sunset today : 7:36 pm
Sunrise tomorrow : 7:07 am
Moon phase : New Moon (0% illuminated)
Tide Station Location : Station #8677344
Common Questions About Tides

St. Simons Island, GA Tides - Sep 1880

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed5:306.35:507.211:381.06:056:52Waning Crescent1Wed
2Thu6:156.66:327.412:161.112:260.86:066:51Waning Crescent2Thu
3Fri6:556.97:117.612:580.81:120.66:066:50New Moon3Fri
4Sat7:327.27:487.71:370.61:560.46:076:48New Moon4Sat
5Sun8:097.58:267.72:150.42:380.46:086:47New Moon5Sun
6Mon8:477.79:067.62:520.23:200.46:086:46Waxing Crescent6Mon
7Tue9:297.89:507.43:310.24:040.56:096:45Waxing Crescent7Tue
8Wed10:167.810:397.24:110.24:510.76:096:43Waxing Crescent8Wed
9Thu11:087.811:337.04:560.35:451.06:106:42Waxing Crescent9Thu
10Fri12:067.75:480.56:481.26:116:41First Quarter10Fri
11Sat12:326.81:097.66:500.77:581.36:116:40First Quarter11Sat
12Sun1:356.72:177.68:010.89:081.26:126:38First Quarter12Sun
13Mon2:436.73:277.69:130.810:131.06:126:37Waxing Gibbous13Mon
14Tue3:526.94:357.810:210.611:120.76:136:36Waxing Gibbous14Tue
15Wed4:587.25:358.011:250.46:136:34Waxing Gibbous15Wed
16Thu5:567.76:288.212:060.312:230.26:146:33Waxing Gibbous16Thu
17Fri6:488.07:168.212:570.11:170.16:156:32Full Moon17Fri
18Sat7:368.28:018.11:43-0.12:070.16:156:31Full Moon18Sat
19Sun8:208.38:457.92:26-0.12:530.26:166:29Full Moon19Sun
20Mon9:048.39:287.53:060.03:350.56:166:28Waning Gibbous20Mon
21Tue9:468.110:117.23:440.34:160.86:176:27Waning Gibbous21Tue
22Wed10:297.810:556.84:210.64:551.26:186:25Waning Gibbous22Wed
23Thu11:137.511:406.54:581.05:361.66:186:24Waning Gibbous23Thu
24Fri11:597.25:381.36:212.06:196:23Third Quarter24Fri
25Sat12:276.312:477.06:241.67:132.26:196:22Third Quarter25Sat
26Sun1:166.11:376.97:181.88:102.36:206:20Third Quarter26Sun
27Mon2:086.12:316.88:171.99:062.26:216:19Third Quarter27Mon
28Tue3:046.13:266.99:161.89:581.96:216:18Waning Crescent28Tue
29Wed3:596.44:207.110:111.610:461.66:226:16Waning Crescent29Wed
30Thu4:516.75:107.311:041.411:321.36:226:15Waning 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 0% 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 New Moon (0% 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