Seattle tide calendar, December 2026
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 | Sun | Moon |
|---|---|---|---|---|---|---|
| Tue 1 | Low 3:33 AM 1.4 ft | High 10:55 AM 12.1 ft | Low 5:47 PM 4.2 ft | High 10:58 PM 7.8 ft | 7:36 AM – 4:19 PM | Waning crescent |
| Wed 2 | Low 4:35 AM 3.1 ft | High 11:37 AM 12.0 ft | Low 6:42 PM 2.8 ft | 7:38 AM – 4:19 PM | Waning crescent | |
| Thu 3 | High 12:44 AM 8.1 ft | Low 5:44 AM 4.7 ft | High 12:16 PM 11.8 ft | Low 7:27 PM 1.4 ft | 7:39 AM – 4:19 PM | Waning crescent |
| Fri 4 | High 2:14 AM 9.0 ft | Low 6:58 AM 6.0 ft | High 12:53 PM 11.5 ft | Low 8:07 PM 0.2 ft | 7:40 AM – 4:18 PM | Waning crescent |
| Sat 5 | High 3:24 AM 10.1 ft | Low 8:11 AM 6.9 ft | High 1:29 PM 11.2 ft | Low 8:44 PM -0.7 ft | 7:41 AM – 4:18 PM | Waning crescent |
| Sun 6 | High 4:21 AM 11.1 ft | Low 9:17 AM 7.5 ft | High 2:03 PM 10.9 ft | Low 9:18 PM -1.3 ft | 7:42 AM – 4:18 PM | Waning crescent |
| Mon 7 | High 5:09 AM 11.8 ft | Low 10:14 AM 7.9 ft | High 2:35 PM 10.6 ft | Low 9:51 PM -1.7 ft | 7:43 AM – 4:17 PM | Waning crescent |
| Tue 8 | High 5:50 AM 12.2 ft | Low 11:04 AM 8.2 ft | High 3:08 PM 10.3 ft | Low 10:24 PM -1.9 ft | 7:44 AM – 4:17 PM | New moon |
| Wed 9 | High 6:26 AM 12.3 ft | Low 11:48 AM 8.3 ft | High 3:42 PM 10.1 ft | Low 10:58 PM -1.8 ft | 7:45 AM – 4:17 PM | Waxing crescent |
| Thu 10 | High 6:57 AM 12.3 ft | Low 12:26 PM 8.3 ft | High 4:19 PM 9.8 ft | Low 11:33 PM -1.6 ft | 7:46 AM – 4:17 PM | Waxing crescent |
| Fri 11 | High 7:24 AM 12.2 ft | Low 1:02 PM 8.1 ft | High 4:59 PM 9.5 ft | 7:47 AM – 4:17 PM | Waxing crescent | |
| Sat 12 | Low 12:09 AM -1.2 ft | High 7:51 AM 12.1 ft | Low 1:38 PM 7.7 ft | High 5:43 PM 9.2 ft | 7:48 AM – 4:17 PM | Waxing crescent |
| Sun 13 | Low 12:47 AM -0.7 ft | High 8:20 AM 12.0 ft | Low 2:20 PM 7.3 ft | High 6:33 PM 8.7 ft | 7:49 AM – 4:17 PM | Waxing crescent |
| Mon 14 | Low 1:27 AM 0.0 ft | High 8:53 AM 12.0 ft | Low 3:08 PM 6.7 ft | High 7:29 PM 8.2 ft | 7:50 AM – 4:17 PM | Waxing crescent |
| Tue 15 | Low 2:08 AM 0.9 ft | High 9:28 AM 12.0 ft | Low 4:00 PM 5.9 ft | High 8:35 PM 7.7 ft | 7:51 AM – 4:18 PM | Waxing crescent |
| Wed 16 | Low 2:51 AM 2.1 ft | High 10:05 AM 11.9 ft | Low 4:52 PM 4.8 ft | High 9:55 PM 7.3 ft | 7:51 AM – 4:18 PM | First quarter |
| Thu 17 | Low 3:38 AM 3.5 ft | High 10:40 AM 11.8 ft | Low 5:41 PM 3.6 ft | High 11:29 PM 7.4 ft | 7:52 AM – 4:18 PM | Waxing gibbous |
| Fri 18 | Low 4:31 AM 5.0 ft | High 11:15 AM 11.7 ft | Low 6:26 PM 2.1 ft | 7:53 AM – 4:19 PM | Waxing gibbous | |
| Sat 19 | High 1:09 AM 8.1 ft | Low 5:37 AM 6.5 ft | High 11:50 AM 11.7 ft | Low 7:09 PM 0.5 ft | 7:53 AM – 4:19 PM | Waxing gibbous |
| Sun 20 | High 2:35 AM 9.3 ft | Low 6:51 AM 7.7 ft | High 12:26 PM 11.7 ft | Low 7:52 PM -1.0 ft | 7:54 AM – 4:19 PM | Waxing gibbous |
| Mon 21 | High 3:39 AM 10.5 ft | Low 8:04 AM 8.4 ft | High 1:07 PM 11.8 ft | Low 8:36 PM -2.3 ft | 7:54 AM – 4:20 PM | Waxing gibbous |
| Tue 22 | High 4:30 AM 11.5 ft | Low 9:10 AM 8.8 ft | High 1:51 PM 11.9 ft | Low 9:22 PM -3.3 ft | 7:55 AM – 4:20 PM | Waxing gibbous |
| Wed 23 | High 5:16 AM 12.2 ft | Low 10:07 AM 8.8 ft | High 2:41 PM 11.9 ft | Low 10:09 PM -3.9 ft | 7:55 AM – 4:21 PM | Full moon |
| Thu 24 | High 6:00 AM 12.7 ft | Low 11:02 AM 8.6 ft | High 3:34 PM 11.8 ft | Low 10:57 PM -4.0 ft | 7:56 AM – 4:22 PM | Waning gibbous |
| Fri 25 | High 6:43 AM 13.0 ft | Low 11:56 AM 8.1 ft | High 4:32 PM 11.4 ft | Low 11:46 PM -3.6 ft | 7:56 AM – 4:22 PM | Waning gibbous |
| Sat 26 | High 7:24 AM 13.1 ft | Low 12:53 PM 7.3 ft | High 5:33 PM 10.8 ft | 7:56 AM – 4:23 PM | Waning gibbous | |
| Sun 27 | Low 12:34 AM -2.6 ft | High 8:03 AM 13.1 ft | Low 1:53 PM 6.4 ft | High 6:38 PM 10.0 ft | 7:57 AM – 4:24 PM | Waning gibbous |
| Mon 28 | Low 1:21 AM -1.1 ft | High 8:41 AM 13.0 ft | Low 2:54 PM 5.3 ft | High 7:50 PM 9.0 ft | 7:57 AM – 4:24 PM | Waning gibbous |
| Tue 29 | Low 2:09 AM 0.7 ft | High 9:18 AM 12.8 ft | Low 3:55 PM 4.1 ft | High 9:11 PM 8.2 ft | 7:57 AM – 4:25 PM | Waning gibbous |
| Wed 30 | Low 2:59 AM 2.7 ft | High 9:55 AM 12.5 ft | Low 4:55 PM 2.9 ft | High 10:49 PM 7.9 ft | 7:57 AM – 4:26 PM | Last quarter |
| Thu 31 | Low 3:54 AM 4.7 ft | High 10:33 AM 12.0 ft | Low 5:51 PM 1.8 ft | 7:57 AM – 4:27 PM | Waning crescent |
Calculated by Marinalo from the Seattle tide station: harmonic constants published by NOAA CO-OPS (public domain). Not for navigation. How we calculate tides.