Florida
Mayport Naval Station
Degausing Structure · Florida · NOAA station 8720214 · Tide predictions
30.3967, -81.3950
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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 · 22 mi N · Station 41112
Wind & wave reports →
Nearby tide stations
- Mayport Naval Station, Water Treatment Dock · 1.1 mi W
- MAYPORT (BAR PILOT DOCK) · 2.0 mi W
- Mayport (Ferry Depot) · 2.2 mi W
- Little Talbot Island, ocean · 2.4 mi N
- Pablo Creek entrance · 3.5 mi SW
Plan ahead
2027 tide extremes for this station
Highest predicted high tide: 6.4 ft — Fri Oct 29 · 8:33 AM
Lowest predicted low tide: -1.6 ft — Sat Jan 23 · 2:11 AM
Biggest single-day swing: 7.3 ft on Sat Jan 23
Best daytime minus tides of 2027
| Date | Low tide | Height |
|---|---|---|
| Sun Feb 21 | 2:22 PM | -1.3 ft |
| Sat Jan 23 | 2:46 PM | -1.3 ft |
| Mon Feb 22 | 3:06 PM | -1.2 ft |
| Sun Jan 24 | 3:33 PM | -1.2 ft |
| Sat Feb 20 | 1:37 PM | -1.1 ft |
| Fri Jan 22 | 1:58 PM | -1.1 ft |
| Sun Jul 4 | 2:52 PM | -1.1 ft |
| Mon Jan 25 | 4:20 PM | -1.1 ft |
| Mon Jul 5 | 3:46 PM | -1.0 ft |
| Mon Aug 2 | 2:37 PM | -1.0 ft |
261 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
Mayport Naval Station, Degausing Structure is one of NOAA's reference tide stations — its predictions are computed directly from harmonic analysis of water levels observed here, and other nearby stations are calculated from it.
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.