Tue Sep 8 at Hilton Head: high tide at 6:22 AM (7.0 ft) and 6:49 PM (8.2 ft); low tide at 12:18 AM (0.7 ft) and 12:30 PM (0.1 ft) — from NOAA station Braddock Point, Hilton Head Island #8669625, 9.2 km out.
| Day | Time | Tide | Height |
|---|---|---|---|
| Tue Sep 8 | 12:18 AM | Low | 0.7 ft (0.22 m) |
| 6:22 AM | High | 7.0 ft (2.15 m) | |
| 12:30 PM | Low | 0.1 ft (0.02 m) | |
| 6:49 PM | High | 8.2 ft (2.49 m) | |
| Wed Sep 9 | 1:11 AM | Low | 0.4 ft (0.12 m) |
| 7:20 AM | High | 7.4 ft (2.26 m) | |
| 1:27 PM | Low | -0.1 ft (-0.04 m) | |
| 7:42 PM | High | 8.3 ft (2.52 m) | |
| Thu Sep 10 | 2:01 AM | Low | 0.1 ft (0.04 m) |
| 8:12 AM | High | 7.7 ft (2.36 m) | |
| 2:20 PM | Low | -0.2 ft (-0.06 m) | |
| 8:30 PM | High | 8.3 ft (2.52 m) | |
| Fri Sep 11 | 2:47 AM | Low | -0.0 ft (-0.01 m) |
| 9:00 AM | High | 8.0 ft (2.42 m) | |
| 3:10 PM | Low | -0.1 ft (-0.04 m) | |
| 9:15 PM | High | 8.1 ft (2.47 m) | |
| Sat Sep 12 | 3:31 AM | Low | -0.0 ft (-0.01 m) |
| 9:46 AM | High | 8.0 ft (2.44 m) | |
| 3:58 PM | Low | 0.1 ft (0.02 m) | |
| 9:58 PM | High | 7.8 ft (2.39 m) | |
| Sun Sep 13 | 4:12 AM | Low | 0.1 ft (0.04 m) |
| 10:29 AM | High | 7.9 ft (2.42 m) | |
| 4:43 PM | Low | 0.4 ft (0.11 m) | |
| 10:40 PM | High | 7.5 ft (2.28 m) | |
| Mon Sep 14 | 4:51 AM | Low | 0.4 ft (0.11 m) |
| 11:12 AM | High | 7.7 ft (2.36 m) | |
| 5:26 PM | Low | 0.8 ft (0.23 m) | |
| 11:22 PM | High | 7.1 ft (2.16 m) | |
| Tue Sep 15 | 5:29 AM | Low | 0.7 ft (0.22 m) |
| 11:56 AM | High | 7.5 ft (2.28 m) | |
| 6:09 PM | Low | 1.2 ft (0.36 m) | |
| Wed Sep 16 | 12:08 AM | High | 6.7 ft (2.05 m) |
| 6:07 AM | Low | 1.1 ft (0.33 m) | |
| 12:43 PM | High | 7.2 ft (2.21 m) | |
| 6:54 PM | Low | 1.6 ft (0.49 m) |
Hilton Head is semidiurnal — paired highs (7.0 and 8.2 ft today) and paired lows of similar size. This is a big-tide station: an average swing this week moves 7.3 ft, so the water line, current and structure change dramatically through a single cycle. A 8.4 ft swing — Hilton Head's biggest this table — runs from the 2:20 PM low on Thu Sep 10 into the next high. Hilton Head tops out at 8.3 ft (Wed Sep 9 7:42 PM) and bottoms at -0.2 ft (Thu Sep 10 2:20 PM).
Hilton Head mid-swing times below mark predicted peak flow on its 7.3 ft average cycle (why moving water matters):
Sea surface temperature 14 km away at Hilton Head South Carolina is currently 28.6 °C (83.5 °F), 4.1 °C above the seasonal normal, from satellite and ocean-model data refreshed daily.
Hilton Head numbers: NOAA CO-OPS #8669625 (Braddock Point, Hilton Head Island), 9.2 km off Hilton Head center; this open-water pick beat 25 closer-in candidates. On a coast that swings 7.3 ft, storm surge stacked on the 8.3 ft high is a real hazard at Hilton Head — predictions are astronomical only. All Hilton Head times station-local, refreshed 2026-09-08.
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