Today's high and low tide times for St Simons Island, GA, plus a 7-day tide table. Astronomical predictions from the nearest harmonic station — free and updated daily.
In St Simons Island, GA, the next high tide is at 11:39 AM (2.47 m) and the next low tide is at 5:42 AM (0.30 m), based on harmonic predictions for St. Simons Light.
All high and low tides for St Simons Island today, in local time (America/New York). Heights are metres above chart datum.
High (H) and low (L) tide times and heights for the next seven days at St Simons Island.
| Date | Tides (local time · height) |
|---|---|
| Sun, Aug 16 | L 5:42 AM 0.30 mH 11:39 AM 2.47 mL 6:00 PM 0.26 m |
| Mon, Aug 17 | H 12:06 AM 2.56 mL 6:33 AM 0.42 mH 12:24 PM 2.31 mL 6:45 PM 0.39 m |
| Tue, Aug 18 | H 12:54 AM 2.47 mL 7:24 AM 0.55 mH 1:09 PM 2.14 mL 7:30 PM 0.52 m |
| Wed, Aug 19 | H 1:42 AM 2.38 mL 8:18 AM 0.66 mH 1:57 PM 1.99 mL 8:18 PM 0.65 m |
| Thu, Aug 20 | H 2:33 AM 2.29 mL 9:18 AM 0.75 mH 2:51 PM 1.87 mL 9:12 PM 0.74 m |
| Fri, Aug 21 | H 3:27 AM 2.23 mL 10:18 AM 0.80 mH 3:51 PM 1.80 mL 10:09 PM 0.80 m |
| Sat, Aug 22 | H 4:24 AM 2.20 mL 11:15 AM 0.79 mH 4:51 PM 1.79 mL 11:06 PM 0.81 m |
Predicted from St. Simons Light, 2.2 km away (reliability: high — a close match — expect predictions within a few minutes of the published station table).
These are astronomical tide predictions — the rise and fall driven by the moon and sun, computed by harmonic analysis. They do not include weather effects: a strong onshore wind, low barometric pressure or a storm surge can push the real water level above the predicted high, and offshore winds or high pressure can hold it below the predicted low. For navigation or any safety-critical decision, always check the official tide tables and a live water-level gauge for St Simons Island.
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