Tue Sep 8 at Santa Cruz: high tide at 9:49 AM (4.2 ft) and 8:48 PM (5.8 ft); low tide at 3:05 AM (-0.6 ft) and 2:42 PM (2.2 ft) — from NOAA station Santa Cruz, Monterey Bay #9413745, 10.5 km out.
| Day | Time | Tide | Height |
|---|---|---|---|
| Tue Sep 8 | 3:05 AM | Low | -0.6 ft (-0.18 m) |
| 9:49 AM | High | 4.2 ft (1.29 m) | |
| 2:42 PM | Low | 2.2 ft (0.67 m) | |
| 8:48 PM | High | 5.8 ft (1.78 m) | |
| Wed Sep 9 | 3:46 AM | Low | -0.5 ft (-0.15 m) |
| 10:19 AM | High | 4.5 ft (1.37 m) | |
| 3:36 PM | Low | 1.7 ft (0.53 m) | |
| 9:41 PM | High | 5.7 ft (1.74 m) | |
| Thu Sep 10 | 4:24 AM | Low | -0.2 ft (-0.07 m) |
| 10:50 AM | High | 4.8 ft (1.45 m) | |
| 4:26 PM | Low | 1.3 ft (0.40 m) | |
| 10:31 PM | High | 5.4 ft (1.66 m) | |
| Fri Sep 11 | 4:58 AM | Low | 0.2 ft (0.05 m) |
| 11:19 AM | High | 5.0 ft (1.52 m) | |
| 5:15 PM | Low | 1.0 ft (0.30 m) | |
| 11:21 PM | High | 5.1 ft (1.54 m) | |
| Sat Sep 12 | 5:31 AM | Low | 0.7 ft (0.21 m) |
| 11:49 AM | High | 5.2 ft (1.57 m) | |
| 6:03 PM | Low | 0.8 ft (0.24 m) | |
| Sun Sep 13 | 12:11 AM | High | 4.6 ft (1.41 m) |
| 6:02 AM | Low | 1.3 ft (0.39 m) | |
| 12:20 PM | High | 5.2 ft (1.60 m) | |
| 6:51 PM | Low | 0.7 ft (0.21 m) | |
| 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) |
Santa Cruz is semidiurnal — paired highs (4.2 and 5.8 ft today) and paired lows of similar size. An average swing here this week moves 3.8 ft of water. A 6.4 ft swing — Santa Cruz's biggest this table — runs from the 8:48 PM high on Tue Sep 8 into the next low. Santa Cruz tops out at 5.8 ft (Tue Sep 8 8:48 PM) and bottoms at -0.6 ft (Tue Sep 8 3:05 AM).
Santa Cruz mid-swing times below mark predicted peak flow on its 3.8 ft average cycle (why moving water matters):
Sea surface temperature 18 km away at Monterey Bay Submarine Canyon is currently 15.9 °C (60.5 °F), 1.1 °C below 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 5.8 ft predicted peak; offshore wind can hold it under. All Santa Cruz times station-local, refreshed 2026-09-08.
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