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 9:39 AM (2.83 m) and the next low tide is at 3:33 AM (0.10 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) |
|---|---|
| Wed, Jul 15 | L 3:33 AM 0.10 mH 9:39 AM 2.83 mL 4:06 PM 0.08 mH 10:06 PM 2.62 m |
| Thu, Jul 16 | L 4:21 AM 0.11 mH 10:30 AM 2.77 mL 4:54 PM 0.11 mH 10:54 PM 2.61 m |
| Fri, Jul 17 | L 5:12 AM 0.17 mH 11:18 AM 2.68 mL 5:42 PM 0.18 mH 11:45 PM 2.57 m |
| Sat, Jul 18 | L 6:03 AM 0.25 mH 12:06 PM 2.55 mL 6:30 PM 0.27 m |
| Sun, Jul 19 | H 12:33 AM 2.51 mL 6:57 AM 0.36 mH 12:57 PM 2.41 mL 7:18 PM 0.38 m |
| Mon, Jul 20 | H 1:24 AM 2.44 mL 7:51 AM 0.47 mH 1:48 PM 2.25 mL 8:09 PM 0.49 m |
| Tue, Jul 21 | H 2:18 AM 2.37 mL 8:51 AM 0.57 mH 2:42 PM 2.11 mL 9:03 PM 0.60 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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