Tue Sep 8 at Jupiter: high tide at 6:39 AM (3.0 ft) and 7:19 PM (3.2 ft); low tide at 12:09 AM (0.7 ft) and 12:35 PM (0.2 ft) — from NOAA station Jupiter Inlet, South Jetty #8722495, 2.3 km out.
| Day | Time | Tide | Height |
|---|---|---|---|
| Tue Sep 8 | 12:09 AM | Low | 0.7 ft (0.22 m) |
| 6:39 AM | High | 3.0 ft (0.92 m) | |
| 12:35 PM | Low | 0.2 ft (0.06 m) | |
| 7:19 PM | High | 3.2 ft (0.96 m) | |
| Wed Sep 9 | 1:03 AM | Low | 0.5 ft (0.14 m) |
| 7:36 AM | High | 3.2 ft (0.98 m) | |
| 1:28 PM | Low | 0.1 ft (0.04 m) | |
| 8:07 PM | High | 3.3 ft (1.00 m) | |
| Thu Sep 10 | 1:52 AM | Low | 0.2 ft (0.07 m) |
| 8:28 AM | High | 3.3 ft (1.02 m) | |
| 2:16 PM | Low | 0.1 ft (0.04 m) | |
| 8:51 PM | High | 3.3 ft (1.02 m) | |
| Fri Sep 11 | 2:38 AM | Low | 0.1 ft (0.03 m) |
| 9:15 AM | High | 3.4 ft (1.04 m) | |
| 3:02 PM | Low | 0.2 ft (0.06 m) | |
| 9:33 PM | High | 3.3 ft (1.01 m) | |
| Sat Sep 12 | 3:22 AM | Low | 0.0 ft (0.01 m) |
| 9:59 AM | High | 3.4 ft (1.04 m) | |
| 3:46 PM | Low | 0.3 ft (0.10 m) | |
| 10:13 PM | High | 3.3 ft (0.99 m) | |
| Sun Sep 13 | 4:05 AM | Low | 0.1 ft (0.03 m) |
| 10:42 AM | High | 3.3 ft (1.01 m) | |
| 4:29 PM | Low | 0.5 ft (0.16 m) | |
| 10:52 PM | High | 3.1 ft (0.96 m) | |
| Mon Sep 14 | 4:46 AM | Low | 0.2 ft (0.07 m) |
| 11:24 AM | High | 3.2 ft (0.98 m) | |
| 5:11 PM | Low | 0.8 ft (0.23 m) | |
| 11:30 PM | High | 3.0 ft (0.91 m) | |
| Tue Sep 15 | 5:28 AM | Low | 0.4 ft (0.13 m) |
| 12:05 PM | High | 3.0 ft (0.93 m) | |
| 5:54 PM | Low | 1.0 ft (0.31 m) | |
| Wed Sep 16 | 12:09 AM | High | 2.8 ft (0.87 m) |
| 6:12 AM | Low | 0.7 ft (0.20 m) | |
| 12:49 PM | High | 2.9 ft (0.87 m) | |
| 6:40 PM | Low | 1.3 ft (0.39 m) |
Jupiter is semidiurnal — paired highs (3.0 and 3.2 ft today) and paired lows of similar size. An average swing here this week moves 2.8 ft of water. A 3.4 ft swing — Jupiter's biggest this table — runs from the 3:22 AM low on Sat Sep 12 into the next high. Jupiter tops out at 3.4 ft (Fri Sep 11 9:15 AM) and bottoms at 0.0 ft (Sat Sep 12 3:22 AM).
Jupiter mid-swing times below mark predicted peak flow on its 2.8 ft average cycle (why moving water matters):
Sea surface temperature 29 km away at Stuart Sailfish Alley is currently 28.5 °C (83.3 °F), 2.7 °C above the seasonal normal, from satellite and ocean-model data refreshed daily.
Jupiter numbers: NOAA CO-OPS #8722495 (Jupiter Inlet, South Jetty), 2.3 km off Jupiter center; this open-water pick beat 18 closer-in candidates. Onshore wind or a storm can push real water at Jupiter above the 3.4 ft predicted peak; offshore wind can hold it under. All Jupiter times station-local, refreshed 2026-09-08.
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