Southeast
St. Marys Entrance
North Jetty · Georgia · NOAA station 8679997 · Tide predictions
30.7200, -81.4450
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48-hour outlook
Drag across the curve to inspect any time. Weather icons show the forecast at each high tide.
Drawn from the high/low predictions — NOAA publishes high/low only for this station.
The next seven days
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H = high tide · L = low tide · highs & lows in local time
On the water nearby
Offshore Fernandina Beach, FL (132) buoy · 9 mi E · Station 41112
Wind & wave reports →
Nearby tide stations
- CUT 1N FRONT RANGE, ST MARYS RIVER ENTR · 1.4 mi SW
- Beach Creek ent., Cumberland Island · 1.9 mi W
- Seacamp Dock, Cumberland Island · 3.4 mi NW
- Fernandina Beach, Amelia River · 3.6 mi S
- Kings Bay, MSF Pier · 4.9 mi NW
Plan ahead
2027 tide extremes for this station
Highest predicted high tide: 7.6 ft — Fri Oct 1 · 9:49 AM
Lowest predicted low tide: -1.4 ft — Sat Jan 23 · 2:40 AM
Biggest single-day swing: 8.4 ft on Sat Jan 23
Best daytime minus tides of 2027
| Date | Low tide | Height |
|---|---|---|
| Sun Feb 21 | 2:54 PM | -1.1 ft |
| Sat Jan 23 | 3:18 PM | -1.1 ft |
| Sun Jan 24 | 4:05 PM | -1.1 ft |
| Mon Feb 22 | 3:38 PM | -1.1 ft |
| Sat Feb 20 | 2:08 PM | -1.0 ft |
| Fri Jan 22 | 2:29 PM | -1.0 ft |
| Mon Jan 25 | 4:52 PM | -1.0 ft |
| Sun Jul 4 | 3:23 PM | -0.9 ft |
| Mon Jul 5 | 4:18 PM | -0.9 ft |
| Tue Feb 23 | 4:21 PM | -0.9 ft |
216 minus tides (below 0 ft) are predicted here in 2027. The table shows up to the 10 lowest that fall between 7 AM and 7 PM — the ones worth planning a clam dig or tidepool walk around.
About this station
NOAA builds the predictions for St. Marys Entrance, North Jetty from the Fernandina Beach, Amelia River station: high tides about 0.96× the height, 36 min earlier; low tides about 0.96× the height, 3 min earlier.
Georgia and the Carolinas run the biggest ranges on the Southeast coast — 7 to 10 ft through marsh creeks and barrier-island inlets that rearrange themselves with every storm.