Seattle tide calendar, May 2027
High and low tides in local time (America/Los_Angeles), heights in ft above Mean Lower Low Water (MLLW), the US chart datum.
| Day | Tide 1 | Tide 2 | Tide 3 | Tide 4 |
|---|---|---|---|---|
| Sat 1 | High 2:17 AM 10.7 ft | Low 9:08 AM 4.1 ft | High 2:24 PM 7.6 ft | Low 8:03 PM 3.2 ft |
| Sun 2 | High 2:46 AM 10.8 ft | Low 9:32 AM 2.9 ft | High 3:27 PM 8.3 ft | Low 8:55 PM 3.9 ft |
| Mon 3 | High 3:11 AM 10.9 ft | Low 9:57 AM 1.6 ft | High 4:21 PM 9.0 ft | Low 9:42 PM 4.7 ft |
| Tue 4 | High 3:34 AM 11.0 ft | Low 10:24 AM 0.2 ft | High 5:11 PM 9.9 ft | Low 10:27 PM 5.5 ft |
| Wed 5 | High 3:59 AM 11.1 ft | Low 10:55 AM -1.1 ft | High 5:57 PM 10.6 ft | Low 11:12 PM 6.2 ft |
| Thu 6 | High 4:27 AM 11.2 ft | Low 11:30 AM -2.3 ft | High 6:43 PM 11.3 ft | Low 11:58 PM 6.8 ft |
| Fri 7 | High 5:00 AM 11.2 ft | Low 12:10 PM -3.0 ft | High 7:30 PM 11.7 ft | |
| Sat 8 | Low 12:47 AM 7.2 ft | High 5:39 AM 11.0 ft | Low 12:54 PM -3.2 ft | High 8:20 PM 11.8 ft |
| Sun 9 | Low 1:39 AM 7.5 ft | High 6:23 AM 10.7 ft | Low 1:42 PM -3.1 ft | High 9:14 PM 11.7 ft |
| Mon 10 | Low 2:37 AM 7.6 ft | High 7:16 AM 10.2 ft | Low 2:33 PM -2.5 ft | High 10:12 PM 11.5 ft |
| Tue 11 | Low 3:46 AM 7.4 ft | High 8:17 AM 9.5 ft | Low 3:29 PM -1.6 ft | High 11:11 PM 11.4 ft |
| Wed 12 | Low 5:06 AM 6.8 ft | High 9:32 AM 8.7 ft | Low 4:27 PM -0.4 ft | |
| Thu 13 | High 12:06 AM 11.3 ft | Low 6:27 AM 5.7 ft | High 11:01 AM 8.0 ft | Low 5:30 PM 0.9 ft |
| Fri 14 | High 12:55 AM 11.4 ft | Low 7:33 AM 4.3 ft | High 12:41 PM 7.8 ft | Low 6:35 PM 2.2 ft |
| Sat 15 | High 1:36 AM 11.4 ft | Low 8:24 AM 2.7 ft | High 2:16 PM 8.2 ft | Low 7:41 PM 3.4 ft |
| Sun 16 | High 2:12 AM 11.4 ft | Low 9:07 AM 1.1 ft | High 3:35 PM 9.0 ft | Low 8:46 PM 4.6 ft |
| Mon 17 | High 2:46 AM 11.4 ft | Low 9:45 AM -0.2 ft | High 4:42 PM 9.9 ft | Low 9:47 PM 5.5 ft |
| Tue 18 | High 3:19 AM 11.2 ft | Low 10:21 AM -1.2 ft | High 5:38 PM 10.8 ft | Low 10:44 PM 6.3 ft |
| Wed 19 | High 3:51 AM 10.9 ft | Low 10:57 AM -1.9 ft | High 6:29 PM 11.3 ft | Low 11:37 PM 6.9 ft |
| Thu 20 | High 4:23 AM 10.6 ft | Low 11:32 AM -2.3 ft | High 7:14 PM 11.7 ft | |
| Fri 21 | Low 12:27 AM 7.4 ft | High 4:57 AM 10.2 ft | Low 12:07 PM -2.4 ft | High 7:56 PM 11.8 ft |
| Sat 22 | Low 1:16 AM 7.6 ft | High 5:32 AM 9.8 ft | Low 12:44 PM -2.2 ft | High 8:34 PM 11.7 ft |
| Sun 23 | Low 2:03 AM 7.7 ft | High 6:10 AM 9.4 ft | Low 1:22 PM -1.8 ft | High 9:09 PM 11.5 ft |
| Mon 24 | Low 2:51 AM 7.6 ft | High 6:54 AM 9.0 ft | Low 2:02 PM -1.2 ft | High 9:44 PM 11.4 ft |
| Tue 25 | Low 3:43 AM 7.3 ft | High 7:43 AM 8.5 ft | Low 2:44 PM -0.5 ft | High 10:21 PM 11.2 ft |
| Wed 26 | Low 4:39 AM 6.8 ft | High 8:40 AM 7.9 ft | Low 3:29 PM 0.3 ft | High 11:01 PM 11.1 ft |
| Thu 27 | Low 5:39 AM 6.1 ft | High 9:48 AM 7.4 ft | Low 4:17 PM 1.3 ft | High 11:42 PM 11.0 ft |
| Fri 28 | Low 6:35 AM 5.3 ft | High 11:06 AM 7.0 ft | Low 5:08 PM 2.4 ft | |
| Sat 29 | High 12:22 AM 11.0 ft | Low 7:23 AM 4.2 ft | High 12:32 PM 6.9 ft | Low 6:04 PM 3.5 ft |
| Sun 30 | High 12:59 AM 11.0 ft | Low 8:01 AM 3.0 ft | High 2:00 PM 7.4 ft | Low 7:03 PM 4.7 ft |
| Mon 31 | High 1:31 AM 11.0 ft | Low 8:36 AM 1.6 ft | High 3:17 PM 8.2 ft | Low 8:05 PM 5.8 ft |
Calculated by Marinalo from the Seattle tide station: harmonic constants published by NOAA CO-OPS (public domain). Not for navigation. How we calculate tides.