Mon Sep 14 at Santa Cruz: high tide at 1:05 AM (4.2 ft) and 12:51 PM (5.2 ft); low tide at 6:31 AM (1.8 ft) and 7:42 PM (0.7 ft) — from NOAA station Santa Cruz, Monterey Bay #9413745, 10.5 km out.
| Day | Time | Tide | Height |
|---|---|---|---|
| Mon Sep 14 | 1:05 AM | High | 4.2 ft (1.27 m) |
| 6:31 AM | Low | 1.8 ft (0.56 m) | |
| 12:51 PM | High | 5.2 ft (1.59 m) | |
| 7:42 PM | Low | 0.7 ft (0.21 m) | |
| Tue Sep 15 | 2:06 AM | High | 3.8 ft (1.14 m) |
| 7:00 AM | Low | 2.4 ft (0.73 m) | |
| 1:24 PM | High | 5.1 ft (1.55 m) | |
| 8:37 PM | Low | 0.8 ft (0.24 m) | |
| Wed Sep 16 | 3:24 AM | High | 3.4 ft (1.05 m) |
| 7:30 AM | Low | 2.8 ft (0.87 m) | |
| 2:03 PM | High | 4.9 ft (1.50 m) | |
| 9:42 PM | Low | 0.9 ft (0.26 m) | |
| Thu Sep 17 | 5:10 AM | High | 3.3 ft (1.01 m) |
| 8:04 AM | Low | 3.2 ft (0.98 m) | |
| 2:53 PM | High | 4.7 ft (1.44 m) | |
| 10:56 PM | Low | 0.9 ft (0.27 m) | |
| Fri Sep 18 | 7:11 AM | High | 3.4 ft (1.04 m) |
| 9:11 AM | Low | 3.4 ft (1.05 m) | |
| 4:00 PM | High | 4.6 ft (1.40 m) | |
| Sat Sep 19 | 12:08 AM | Low | 0.8 ft (0.24 m) |
| 8:10 AM | High | 3.6 ft (1.09 m) | |
| 11:15 AM | Low | 3.5 ft (1.06 m) | |
| 5:16 PM | High | 4.5 ft (1.39 m) | |
| Sun Sep 20 | 1:07 AM | Low | 0.6 ft (0.19 m) |
| 8:38 AM | High | 3.7 ft (1.13 m) | |
| 12:37 PM | Low | 3.3 ft (0.99 m) | |
| 6:25 PM | High | 4.6 ft (1.41 m) | |
| Mon Sep 21 | 1:52 AM | Low | 0.5 ft (0.14 m) |
| 9:00 AM | High | 3.8 ft (1.17 m) | |
| 1:31 PM | Low | 2.9 ft (0.90 m) | |
| 7:21 PM | High | 4.8 ft (1.46 m) | |
| Tue Sep 22 | 2:29 AM | Low | 0.3 ft (0.10 m) |
| 9:20 AM | High | 4.0 ft (1.21 m) | |
| 2:13 PM | Low | 2.6 ft (0.78 m) | |
| 8:09 PM | High | 4.9 ft (1.49 m) |
Santa Cruz runs mixed-semidiurnal water: two highs and two lows daily, unequal by ~1.1 ft between successive highs this week. An average swing here this week moves 2.4 ft of water. A 4.5 ft swing — Santa Cruz's biggest this table — runs from the 12:51 PM high on Mon Sep 14 into the next low. Santa Cruz tops out at 5.2 ft (Mon Sep 14 12:51 PM) and bottoms at 0.3 ft (Tue Sep 22 2:29 AM).
Santa Cruz mid-swing times below mark predicted peak flow on its 2.4 ft average cycle (why moving water matters):
Sea surface temperature 18 km away at Monterey Bay Submarine Canyon is currently 17.4 °C (63.3 °F), 0.4 °C above the seasonal normal, from satellite and ocean-model data refreshed daily.
Santa Cruz numbers: NOAA CO-OPS #9413745 (Santa Cruz, Monterey Bay), 10.5 km off Santa Cruz center. Onshore wind or a storm can push real water at Santa Cruz above the 5.2 ft predicted peak; offshore wind can hold it under. All Santa Cruz times station-local, refreshed 2026-09-14.
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