Florida
St. Marks
St. Marks River · Florida · NOAA station 8728142 · Tide predictions
30.1533, -84.2033
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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
C23 buoy · 101 mi SW · Station 42027
Wind & wave reports →
Nearby tide stations
- St. Marks, Wakulla River · 1.0 mi NW
- Port Leon · 3.8 mi SE
- ST. MARKS RIVER ENTRANCE · 5.4 mi S
- Shell Point, Walker Creek · 8.4 mi SW
- Mandalay, Aucilla River · 13.8 mi E
Plan ahead
2027 tide extremes for this station
Highest predicted high tide: 4.1 ft — Mon Aug 2 · 3:10 PM
Lowest predicted low tide: -1.4 ft — Thu Jan 21 · 8:35 AM
Biggest single-day swing: 4.9 ft on Sun Jul 4
Best daytime minus tides of 2027
| Date | Low tide | Height |
|---|---|---|
| Thu Jan 21 | 8:35 AM | -1.4 ft |
| Fri Jan 22 | 9:19 AM | -1.4 ft |
| Wed Jan 20 | 7:46 AM | -1.3 ft |
| Sat Jan 23 | 9:59 AM | -1.2 ft |
| Tue Dec 14 | 9:40 AM | -1.1 ft |
| Fri Feb 19 | 8:19 AM | -1.1 ft |
| Wed Dec 15 | 10:23 AM | -1.0 ft |
| Thu Feb 18 | 7:34 AM | -1.0 ft |
| Mon Dec 13 | 8:57 AM | -1.0 ft |
| Sat Feb 20 | 8:59 AM | -0.9 ft |
194 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. Marks, St. Marks River from the ST. MARKS RIVER ENTRANCE station: high tides about 0.93× the height, 36 min later; low tides about 0.91× the height, 64 min later.
Two coasts, two personalities: modest 2 to 4 ft semidiurnal ranges on the Atlantic side, mixed tides on the Gulf side, and king tides that flood streets on calm, sunny days.