Mon Sep 14 at Honolulu: high tide at 6:16 AM (1.9 ft) and 5:36 PM (1.2 ft); low tide at 12:40 PM (0.6 ft) and 11:41 PM (0.2 ft) — measured for NOAA's in-town Honolulu station #1612340.
| Day | Time | Tide | Height |
|---|---|---|---|
| Mon Sep 14 | 6:16 AM | High | 1.9 ft (0.58 m) |
| 12:40 PM | Low | 0.6 ft (0.20 m) | |
| 5:36 PM | High | 1.2 ft (0.37 m) | |
| 11:41 PM | Low | 0.2 ft (0.06 m) | |
| Tue Sep 15 | 7:03 AM | High | 1.9 ft (0.58 m) |
| 1:50 PM | Low | 0.7 ft (0.22 m) | |
| 5:58 PM | High | 1.0 ft (0.30 m) | |
| Wed Sep 16 | 12:07 AM | Low | 0.3 ft (0.09 m) |
| 8:00 AM | High | 1.8 ft (0.56 m) | |
| 3:26 PM | Low | 0.8 ft (0.23 m) | |
| 6:12 PM | High | 0.8 ft (0.25 m) | |
| Thu Sep 17 | 12:38 AM | Low | 0.4 ft (0.11 m) |
| 9:10 AM | High | 1.8 ft (0.54 m) | |
| Fri Sep 18 | 1:27 AM | Low | 0.5 ft (0.14 m) |
| 10:28 AM | High | 1.8 ft (0.54 m) | |
| 7:31 PM | Low | 0.6 ft (0.17 m) | |
| 10:53 PM | High | 0.6 ft (0.19 m) | |
| Sat Sep 19 | 3:02 AM | Low | 0.5 ft (0.16 m) |
| 11:35 AM | High | 1.8 ft (0.56 m) | |
| 7:37 PM | Low | 0.5 ft (0.15 m) | |
| Sun Sep 20 | 12:15 AM | High | 0.7 ft (0.22 m) |
| 4:40 AM | Low | 0.5 ft (0.15 m) | |
| 12:27 PM | High | 1.9 ft (0.58 m) | |
| 7:52 PM | Low | 0.4 ft (0.13 m) | |
| Mon Sep 21 | 12:58 AM | High | 0.8 ft (0.26 m) |
| 5:49 AM | Low | 0.4 ft (0.13 m) | |
| 1:08 PM | High | 2.0 ft (0.60 m) | |
| 8:10 PM | Low | 0.4 ft (0.11 m) | |
| Tue Sep 22 | 1:32 AM | High | 1.0 ft (0.30 m) |
| 6:43 AM | Low | 0.4 ft (0.11 m) | |
| 1:42 PM | High | 2.0 ft (0.61 m) | |
| 8:30 PM | Low | 0.3 ft (0.09 m) |
Honolulu runs mixed-semidiurnal water: two highs and two lows daily, unequal by ~1.0 ft between successive highs this week. The tide here is gentle — the water moves about 1.0 ft between high and low on an average swing this week, so timing matters less than on big-tide coasts. A 1.7 ft swing — Honolulu's biggest this table — runs from the 1:42 PM high on Tue Sep 22 into the next low. Honolulu tops out at 2.0 ft (Tue Sep 22 1:42 PM) and bottoms at 0.2 ft (Mon Sep 14 11:41 PM).
Honolulu mid-swing times below mark predicted peak flow on its 1.0 ft average cycle (why moving water matters):
Sea surface temperature 22 km away at Oahu Hawaii is currently 27.1 °C (80.8 °F), 0.2 °C above the seasonal normal, from satellite and ocean-model data refreshed daily.
Honolulu numbers: NOAA CO-OPS #1612340 (Honolulu), 0.9 km off Honolulu center; this open-water pick beat 6 closer-in candidates. With only 1.0 ft of average swing at Honolulu, wind and pressure can move the real water line more than the tide itself does — treat these times as the schedule, not the whole story. All Honolulu times station-local, refreshed 2026-09-14.
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