Washington

Mailboat Slough, Willapa River — Tide Calendar

May 2026 · Local station time · Heights in ft (MLLW) · Negative tides only
Date Tide Curve High & Low Tides Sun Moon
Fri, May 1 1:24 AM 9.7 7:56 AM -0.8 2:31 PM 8.0 7:48 PM 2.6
6:03 AM
8:24 PM
9:09 PM
5:40 AM
Full Moon · 100%
Sat, May 2 1:53 AM 9.7 8:30 AM -0.9 3:10 PM 7.8 8:21 PM 2.9
6:01 AM
8:25 PM
10:17 PM
6:04 AM
Full Moon · 99%
Sun, May 3 2:23 AM 9.6 9:03 AM -0.9 3:48 PM 7.6 8:53 PM 3.3
6:00 AM
8:26 PM
11:20 PM
6:34 AM
Waning Gibbous · 96%
Mon, May 4 2:53 AM 9.4 9:38 AM -0.8 4:28 PM 7.4 9:27 PM 3.6
5:58 AM
8:28 PM
7:12 AM
Waning Gibbous · 91%
Tue, May 5 3:26 AM 9.1 10:16 AM -0.5 5:11 PM 7.1 10:03 PM 3.9
5:57 AM
8:29 PM
12:16 AM
8:01 AM
Waning Gibbous · 85%
Wed, May 6 4:03 AM 8.7 10:58 AM -0.1 5:57 PM 6.9 10:46 PM 4.1
5:55 AM
8:30 PM
1:02 AM
8:59 AM
Waning Gibbous · 78%
Thu, May 14 6:02 AM -0.3 12:25 PM 7.7 5:51 PM 1.9
5:44 AM
8:41 PM
4:07 AM
6:44 PM
Waning Crescent · 6%
Fri, May 15 12:07 AM 10.2 6:48 AM -1.4 1:21 PM 8.0 6:37 PM 2.2
5:43 AM
8:42 PM
4:30 AM
8:07 PM
New Moon · 2%
Sat, May 16 12:48 AM 10.7 7:34 AM -2.2 2:14 PM 8.2 7:24 PM 2.4
5:42 AM
8:43 PM
5:00 AM
9:31 PM
New Moon · 0%
Sun, May 17 1:31 AM 11.0 8:20 AM -2.7 3:06 PM 8.2 8:11 PM 2.6
5:41 AM
8:45 PM
5:38 AM
10:50 PM
New Moon · 2%
Mon, May 18 2:17 AM 11.0 9:07 AM -2.8 3:59 PM 8.2 8:59 PM 2.8
5:39 AM
8:46 PM
6:31 AM
11:57 PM
Waxing Crescent · 6%
Tue, May 19 3:06 AM 10.8 9:57 AM -2.6 4:53 PM 8.0 9:52 PM 3.0
5:38 AM
8:47 PM
7:37 AM
Waxing Crescent · 12%
Wed, May 20 3:58 AM 10.3 10:49 AM -2.1 5:48 PM 7.9 10:52 PM 3.2
5:37 AM
8:48 PM
8:56 AM
12:49 AM
Waxing Crescent · 21%
Thu, May 21 4:56 AM 9.5 11:44 AM -1.4 6:46 PM 7.9
5:36 AM
8:49 PM
10:18 AM
1:27 AM
Waxing Crescent · 31%
Fri, May 22 12:01 AM 3.3 5:59 AM 8.7 12:41 PM -0.6 7:44 PM 8.0
5:35 AM
8:50 PM
11:40 AM
1:56 AM
First Quarter · 42%
Thu, May 28 6:20 AM -0.3 12:56 PM 7.0 6:01 PM 2.8
5:30 AM
8:57 PM
6:56 PM
3:44 AM
Waxing Gibbous · 94%
Fri, May 29 12:11 AM 9.4 6:59 AM -0.8 1:44 PM 7.1 6:43 PM 3.1
5:29 AM
8:58 PM
8:05 PM
4:06 AM
Full Moon · 98%
Sat, May 30 12:45 AM 9.4 7:35 AM -1.1 2:25 PM 7.3 7:22 PM 3.3
5:28 AM
8:59 PM
9:09 PM
4:34 AM
Full Moon · 100%
Sun, May 31 1:20 AM 9.3 8:10 AM -1.3 3:03 PM 7.3 7:58 PM 3.4
5:28 AM
9:00 PM
10:08 PM
5:09 AM
Full Moon · 100%

▲ high tide   ▼ low tide · heights in ft above MLLW · predictions derived from NOAA data for station TWC0940 · view the interactive daily chart