31.1317’ N, 81.3967’ W

St. Simons Island, GA

69°
H -°
L 61°
NE
18mph
High tide
8:19 pm

Tides Today & Tomorrow in St. Simons Island, GA

TIDE TIMES for Sunday, October 25, 2026
The tide is currently rising in St. Simons Island, GA.
Next low tide (tomorrow) : 2:41 am (0.0 ft)
Next high tide : in 1h 52m at 8:19 pm (7.5 ft)
Sunset today : 6:43 pm
Sunrise tomorrow : 7:35 am
Moon phase : Full Moon (100% illuminated)
Tide Station Location : Station #8677344
Common Questions About Tides

St. Simons Island, GA Tides - Jan 1796

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri1:155.91:296.17:340.38:020.27:285:38Third Quarter1Fri
2Sat2:085.82:215.88:340.58:520.27:285:39Third Quarter2Sat
3Sun3:015.83:135.69:310.69:400.27:295:40Third Quarter3Sun
4Mon3:545.94:065.510:240.610:260.27:295:40Waning Crescent4Mon
5Tue4:456.14:585.511:140.411:110.17:295:41Waning Crescent5Tue
6Wed5:336.25:465.512:010.37:295:42Waning Crescent6Wed
7Thu6:176.46:305.612:460.17:295:43Waning Crescent7Thu
8Fri6:576.67:115.712:39-0.21:28-0.17:295:44New Moon8Fri
9Sat7:356.77:495.81:20-0.32:08-0.27:295:44New Moon9Sat
10Sun8:116.78:255.82:00-0.52:45-0.37:295:45New Moon10Sun
11Mon8:466.79:015.82:38-0.53:21-0.47:295:46New Moon11Mon
12Tue9:226.79:405.83:16-0.53:58-0.47:295:47Waxing Crescent12Tue
13Wed10:016.610:225.93:54-0.54:36-0.47:295:48Waxing Crescent13Wed
14Thu10:456.511:095.94:36-0.45:17-0.37:295:49Waxing Crescent14Thu
15Fri11:326.45:22-0.26:03-0.37:295:50Waxing Crescent15Fri
16Sat12:006.112:256.26:170.06:56-0.37:285:50First Quarter16Sat
17Sun12:556.21:226.07:220.17:56-0.47:285:51First Quarter17Sun
18Mon1:566.32:255.88:350.29:00-0.57:285:52First Quarter18Mon
19Tue3:016.53:335.79:470.010:04-0.77:285:53Waxing Gibbous19Tue
20Wed4:096.84:425.810:56-0.211:07-0.97:275:54Waxing Gibbous20Wed
21Thu5:157.15:466.012:00-0.57:275:55Waxing Gibbous21Thu
22Fri6:157.46:446.312:08-1.212:59-0.87:275:56Waxing Gibbous22Fri
23Sat7:117.67:386.51:06-1.41:54-1.17:265:57Full Moon23Sat
24Sun8:037.78:306.62:01-1.62:43-1.27:265:58Full Moon24Sun
25Mon8:537.69:206.52:51-1.63:30-1.27:255:58Full Moon25Mon
26Tue9:427.410:106.43:39-1.44:14-1.17:255:59Waning Gibbous26Tue
27Wed10:307.010:596.34:26-1.14:56-0.87:246:00Waning Gibbous27Wed
28Thu11:166.611:476.15:12-0.65:38-0.57:246:01Waning Gibbous28Thu
29Fri12:026.26:00-0.26:20-0.17:236:02Waning Gibbous29Fri
30Sat12:345.912:495.86:510.37:050.27:236:03Third Quarter30Sat
31Sun1:225.81:365.57:460.67:530.37:226:04Third Quarter31Sun
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 100% 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 (100% 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