Tides Today & Tomorrow in St. Simons Island, GA

TIDE TIMES for Thursday, July 2, 2026
The tide is currently falling in St. Simons Island, GA.
Next low tide : in 3h 27m at 4:35 pm (0.4 ft)
Next high tide : 10:46 pm (6.7 ft)
Sunset today : 8:33 pm
Sunrise tomorrow : 6:25 am
Moon phase : Waning Gibbous (94% illuminated)
Tide Station Location : Station #8677344
Common Questions About Tides

St. Simons Island, GA Tides - Mar 2048

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun8:267.18:477.22:37-0.92:52-0.96:506:24Full Moon1Sun
2Mon9:097.19:317.43:21-0.93:32-0.96:496:25Waning Gibbous2Mon
3Tue9:556.910:197.44:06-0.84:15-0.96:486:25Waning Gibbous3Tue
4Wed10:456.711:117.34:54-0.65:01-0.76:476:26Waning Gibbous4Wed
5Thu11:396.45:49-0.25:53-0.46:466:27Waning Gibbous5Thu
6Fri12:097.112:386.16:510.16:56-0.16:456:27Third Quarter6Fri
7Sat1:126.91:415.98:020.38:080.16:446:28Third Quarter7Sat
8Sun3:216.73:505.910:130.410:220.17:427:29Third Quarter8Sun
9Mon4:336.65:016.011:180.211:310.07:417:30Waning Crescent9Mon
10Tue5:436.86:066.412:18-0.17:407:30Waning Crescent10Tue
11Wed6:437.07:036.812:33-0.21:12-0.37:397:31Waning Crescent11Wed
12Thu7:357.27:537.11:30-0.52:01-0.67:377:32Waning Crescent12Thu
13Fri8:217.28:377.42:21-0.62:45-0.77:367:32New Moon13Fri
14Sat9:037.29:197.53:08-0.73:25-0.77:357:33New Moon14Sat
15Sun9:437.09:587.43:50-0.64:02-0.67:347:34New Moon15Sun
16Mon10:236.810:367.34:28-0.44:36-0.47:337:34Waxing Crescent16Mon
17Tue11:016.411:147.15:04-0.15:09-0.17:317:35Waxing Crescent17Tue
18Wed11:416.111:536.85:380.35:410.27:307:36Waxing Crescent18Wed
19Thu12:215.86:130.66:160.57:297:36Waxing Crescent19Thu
20Fri12:336.51:035.66:511.06:570.87:287:37First Quarter20Fri
21Sat1:176.31:485.47:361.37:461.17:267:38First Quarter21Sat
22Sun2:056.12:385.38:311.48:451.27:257:38First Quarter22Sun
23Mon2:586.03:345.39:321.49:501.27:247:39First Quarter23Mon
24Tue3:576.04:345.510:331.310:521.07:237:40First Quarter24Tue
25Wed4:576.25:335.911:291.011:510.77:217:40Waxing Gibbous25Wed
26Thu5:546.46:256.412:200.67:207:41Waxing Gibbous26Thu
27Fri6:466.87:126.912:470.31:090.27:197:42Waxing Gibbous27Fri
28Sat7:337.17:577.41:39-0.11:56-0.27:187:42Full Moon28Sat
29Sun8:187.38:407.92:30-0.52:41-0.67:167:43Full Moon29Sun
30Mon9:037.49:258.13:18-0.73:26-0.87:157:43Full Moon30Mon
31Tue9:507.310:138.24:06-0.84:11-0.97:147:44Full Moon31Tue
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 7:40 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 spring phase. Tonight's moon is 94% 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 Waning Gibbous (94% 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