Seattle tide calendar, April 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 | Sun | Moon |
|---|---|---|---|---|---|---|
| Thu 1 | High 3:11 AM 10.5 ft | Low 9:34 AM 6.1 ft | High 1:38 PM 7.9 ft | Low 8:06 PM 1.7 ft | 6:48 AM – 7:39 PM | Waning crescent |
| Fri 2 | High 3:43 AM 10.7 ft | Low 10:02 AM 5.3 ft | High 2:44 PM 8.2 ft | Low 8:58 PM 1.8 ft | 6:46 AM – 7:40 PM | Waning crescent |
| Sat 3 | High 4:06 AM 10.8 ft | Low 10:24 AM 4.5 ft | High 3:38 PM 8.7 ft | Low 9:42 PM 2.0 ft | 6:44 AM – 7:42 PM | Waning crescent |
| Sun 4 | High 4:25 AM 10.9 ft | Low 10:44 AM 3.5 ft | High 4:25 PM 9.2 ft | Low 10:21 PM 2.5 ft | 6:42 AM – 7:43 PM | Waning crescent |
| Mon 5 | High 4:43 AM 11.0 ft | Low 11:06 AM 2.3 ft | High 5:09 PM 9.7 ft | Low 10:58 PM 3.1 ft | 6:40 AM – 7:44 PM | Waning crescent |
| Tue 6 | High 5:02 AM 11.2 ft | Low 11:32 AM 1.1 ft | High 5:53 PM 10.2 ft | Low 11:35 PM 4.0 ft | 6:38 AM – 7:46 PM | New moon |
| Wed 7 | High 5:24 AM 11.3 ft | Low 12:03 PM -0.2 ft | High 6:39 PM 10.7 ft | 6:36 AM – 7:47 PM | Waxing crescent | |
| Thu 8 | Low 12:14 AM 4.8 ft | High 5:50 AM 11.3 ft | Low 12:38 PM -1.2 ft | High 7:26 PM 11.1 ft | 6:34 AM – 7:49 PM | Waxing crescent |
| Fri 9 | Low 12:56 AM 5.7 ft | High 6:20 AM 11.2 ft | Low 1:17 PM -1.8 ft | High 8:16 PM 11.2 ft | 6:32 AM – 7:50 PM | Waxing crescent |
| Sat 10 | Low 1:42 AM 6.5 ft | High 6:55 AM 11.0 ft | Low 2:01 PM -2.0 ft | High 9:11 PM 11.1 ft | 6:30 AM – 7:51 PM | Waxing crescent |
| Sun 11 | Low 2:33 AM 7.1 ft | High 7:34 AM 10.6 ft | Low 2:50 PM -1.8 ft | High 10:14 PM 10.8 ft | 6:28 AM – 7:53 PM | Waxing crescent |
| Mon 12 | Low 3:34 AM 7.6 ft | High 8:22 AM 10.0 ft | Low 3:46 PM -1.2 ft | High 11:29 PM 10.6 ft | 6:26 AM – 7:54 PM | Waxing crescent |
| Tue 13 | Low 4:54 AM 7.8 ft | High 9:25 AM 9.4 ft | Low 4:49 PM -0.6 ft | 6:24 AM – 7:56 PM | First quarter | |
| Wed 14 | High 12:49 AM 10.5 ft | Low 6:35 AM 7.4 ft | High 10:49 AM 8.7 ft | Low 5:57 PM 0.1 ft | 6:22 AM – 7:57 PM | Waxing gibbous |
| Thu 15 | High 1:54 AM 10.8 ft | Low 7:59 AM 6.3 ft | High 12:26 PM 8.4 ft | Low 7:06 PM 0.7 ft | 6:20 AM – 7:59 PM | Waxing gibbous |
| Fri 16 | High 2:39 AM 11.1 ft | Low 8:54 AM 4.9 ft | High 1:57 PM 8.6 ft | Low 8:10 PM 1.3 ft | 6:18 AM – 8:00 PM | Waxing gibbous |
| Sat 17 | High 3:13 AM 11.4 ft | Low 9:37 AM 3.2 ft | High 3:15 PM 9.1 ft | Low 9:09 PM 2.1 ft | 6:16 AM – 8:01 PM | Waxing gibbous |
| Sun 18 | High 3:42 AM 11.6 ft | Low 10:14 AM 1.6 ft | High 4:21 PM 9.8 ft | Low 10:02 PM 2.9 ft | 6:15 AM – 8:03 PM | Waxing gibbous |
| Mon 19 | High 4:10 AM 11.6 ft | Low 10:49 AM 0.2 ft | High 5:20 PM 10.4 ft | Low 10:52 PM 3.9 ft | 6:13 AM – 8:04 PM | Waxing gibbous |
| Tue 20 | High 4:38 AM 11.5 ft | Low 11:24 AM -0.9 ft | High 6:14 PM 11.0 ft | Low 11:40 PM 4.9 ft | 6:11 AM – 8:06 PM | Full moon |
| Wed 21 | High 5:07 AM 11.3 ft | Low 11:59 AM -1.6 ft | High 7:05 PM 11.3 ft | 6:09 AM – 8:07 PM | Waning gibbous | |
| Thu 22 | Low 12:27 AM 5.9 ft | High 5:37 AM 10.9 ft | Low 12:34 PM -1.9 ft | High 7:53 PM 11.4 ft | 6:07 AM – 8:08 PM | Waning gibbous |
| Fri 23 | Low 1:14 AM 6.7 ft | High 6:09 AM 10.5 ft | Low 1:11 PM -1.9 ft | High 8:41 PM 11.4 ft | 6:05 AM – 8:10 PM | Waning gibbous |
| Sat 24 | Low 2:04 AM 7.3 ft | High 6:43 AM 9.9 ft | Low 1:50 PM -1.6 ft | High 9:28 PM 11.2 ft | 6:04 AM – 8:11 PM | Waning gibbous |
| Sun 25 | Low 2:58 AM 7.6 ft | High 7:20 AM 9.4 ft | Low 2:31 PM -1.0 ft | High 10:16 PM 11.0 ft | 6:02 AM – 8:13 PM | Waning gibbous |
| Mon 26 | Low 4:04 AM 7.7 ft | High 8:04 AM 8.7 ft | Low 3:16 PM -0.3 ft | High 11:08 PM 10.7 ft | 6:00 AM – 8:14 PM | Waning gibbous |
| Tue 27 | Low 5:32 AM 7.4 ft | High 9:01 AM 8.1 ft | Low 4:07 PM 0.5 ft | 5:58 AM – 8:15 PM | Waning gibbous | |
| Wed 28 | High 12:03 AM 10.6 ft | Low 7:02 AM 6.9 ft | High 10:16 AM 7.5 ft | Low 5:04 PM 1.3 ft | 5:57 AM – 8:17 PM | Last quarter |
| Thu 29 | High 12:56 AM 10.5 ft | Low 8:00 AM 6.0 ft | High 11:43 AM 7.2 ft | Low 6:05 PM 2.0 ft | 5:55 AM – 8:18 PM | Waning crescent |
| Fri 30 | High 1:41 AM 10.6 ft | Low 8:39 AM 5.1 ft | High 1:09 PM 7.2 ft | Low 7:06 PM 2.6 ft | 5:53 AM – 8:20 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.