Astoria (Columbia River), OR tide times — May 2026

Tide times for Astoria (Columbia River), OR, oregon (united states) in May 2026: 54 high tides and 53 low tides over the calendar month, with a mean range of about 2.61 m. The biggest swing of the month lands on 2026-05-18 with a range of about 3.61 m. The smallest neap range lands on 2026-05-10 at about 1.83 m. Use the table below for every extremum, with times in Astoria (Columbia River), OR's local timezone and heights in metres above MLLW. Predictions come from NOAA CO-OPS station 9439040, harmonic analysis referenced to MLLW. Not for navigation.

Day	Type	Time	Height (MLLW)
Fri 01 May	High	01:26	2.73 m
	Low	08:16	-0.17 m
	High	14:32	2.26 m
	Low	20:02	0.72 m
Sat 02 May	High	01:55	2.73 m
	Low	08:54	-0.18 m
	High	15:15	2.23 m
	Low	20:37	0.84 m
Sun 03 May	High	02:23	2.71 m
	Low	09:29	-0.16 m
	High	15:58	2.19 m
	Low	21:12	0.95 m
Mon 04 May	High	02:51	2.67 m
	Low	10:03	-0.10 m
	High	16:40	2.14 m
	Low	21:47	1.03 m
Tue 05 May	High	03:21	2.63 m
	Low	10:38	-0.03 m
	High	17:24	2.07 m
	Low	22:24	1.09 m
Wed 06 May	High	03:56	2.56 m
	Low	11:14	0.05 m
	High	18:10	2.01 m
	Low	23:06	1.13 m
Thu 07 May	High	04:37	2.46 m
	Low	11:56	0.12 m
	High	18:59	1.97 m
	Low	23:57	1.16 m
Fri 08 May	High	05:26	2.33 m
	Low	12:45	0.20 m
	High	19:52	1.97 m
Sat 09 May	Low	01:02	1.14 m
	High	06:28	2.18 m
	Low	13:42	0.26 m
	High	20:43	2.02 m
Sun 10 May	Low	02:18	1.04 m
	High	07:44	2.06 m
	Low	14:41	0.30 m
	High	21:31	2.13 m
Mon 11 May	Low	03:30	0.84 m
	High	09:06	2.00 m
	Low	15:37	0.35 m
	High	22:14	2.29 m
Tue 12 May	Low	04:33	0.57 m
	High	10:22	2.03 m
	Low	16:29	0.40 m
	High	22:53	2.47 m
Wed 13 May	Low	05:28	0.27 m
	High	11:29	2.10 m
	Low	17:17	0.48 m
	High	23:31	2.65 m
Thu 14 May	Low	06:19	-0.02 m
	High	12:30	2.18 m
	Low	18:04	0.58 m
Fri 15 May	High	00:10	2.82 m
	Low	07:09	-0.26 m
	High	13:27	2.26 m
	Low	18:52	0.69 m
Sat 16 May	High	00:50	2.96 m
	Low	07:58	-0.43 m
	High	14:21	2.30 m
	Low	19:40	0.79 m
Sun 17 May	High	01:33	3.04 m
	Low	08:48	-0.53 m
	High	15:15	2.32 m
	Low	20:31	0.86 m
Mon 18 May	High	02:18	3.06 m
	Low	09:38	-0.55 m
	High	16:09	2.31 m
	Low	21:22	0.91 m
Tue 19 May	High	03:07	3.01 m
	Low	10:29	-0.49 m
	High	17:04	2.30 m
	Low	22:16	0.93 m
Wed 20 May	High	03:59	2.88 m
	Low	11:20	-0.39 m
	High	17:58	2.28 m
	Low	23:14	0.94 m
Thu 21 May	High	04:56	2.69 m
	Low	12:13	-0.24 m
	High	18:54	2.27 m
Fri 22 May	Low	00:19	0.92 m
	High	06:00	2.47 m
	Low	13:09	-0.08 m
	High	19:49	2.30 m
Sat 23 May	Low	01:30	0.85 m
	High	07:11	2.24 m
	Low	14:05	0.08 m
	High	20:42	2.36 m
Sun 24 May	Low	02:44	0.71 m
	High	08:28	2.07 m
	Low	15:01	0.23 m
	High	21:33	2.44 m
Mon 25 May	Low	03:53	0.51 m
	High	09:43	1.99 m
	Low	15:53	0.37 m
	High	22:19	2.54 m
Tue 26 May	Low	04:54	0.28 m
	High	10:53	1.98 m
	Low	16:42	0.51 m
	High	23:00	2.61 m
Wed 27 May	Low	05:47	0.08 m
	High	11:54	2.02 m
	Low	17:27	0.64 m
	High	23:38	2.67 m
Thu 28 May	Low	06:34	-0.07 m
	High	12:47	2.08 m
Fri 29 May	—
Sat 30 May	—
Sun 31 May	—