Today's high and low tide times for Marco Island, FL, plus a 7-day tide table. Astronomical predictions from the nearest harmonic station — free and updated daily.
In Marco Island, FL, the next high tide is at 2:48 AM (1.09 m) and the next low tide is at 9:45 AM (0.05 m), based on harmonic predictions for Marco, Big Marco River.
All high and low tides for Marco 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 Marco Island.
| Date | Tides (local time · height) |
|---|---|
| Wed, Jun 17 | H 2:48 AM 1.09 mL 9:45 AM 0.05 mH 4:18 PM 0.85 mL 9:33 PM 0.42 m |
| Thu, Jun 18 | H 3:39 AM 1.06 mL 10:36 AM 0.11 mH 5:03 PM 0.82 mL 10:24 PM 0.42 m |
| Fri, Jun 19 | H 4:33 AM 1.02 mL 11:27 AM 0.17 mH 5:54 PM 0.80 mL 11:21 PM 0.42 m |
| Sat, Jun 20 | H 5:33 AM 0.96 mL 12:24 PM 0.25 mH 6:45 PM 0.78 m |
| Sun, Jun 21 | L 12:21 AM 0.41 mH 6:42 AM 0.91 mL 1:21 PM 0.32 mH 7:39 PM 0.77 m |
| Mon, Jun 22 | L 1:30 AM 0.39 mH 8:00 AM 0.87 mL 2:21 PM 0.39 mH 8:30 PM 0.78 m |
| Tue, Jun 23 | L 2:39 AM 0.35 mH 9:24 AM 0.85 mL 3:24 PM 0.44 mH 9:21 PM 0.79 m |
Predicted from Marco, Big Marco River, 3.5 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 Marco Island.
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