Washington

Mailboat Slough, Willapa River — Weekly Tide Table

May 3 – May 9, 2026 · Local station time · Heights in ft (MLLW)
Date Tide Curve High & Low Tides Sun Moon
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 7 4:45 AM 8.3 11:44 AM 0.3 6:49 PM 6.7 11:39 PM 4.3
5:54 AM
8:32 PM
1:40 AM
10:05 AM
Waning Gibbous · 69%
Fri, May 8 5:35 AM 7.9 12:35 PM 0.6 7:44 PM 6.8
5:52 AM
8:33 PM
2:10 AM
11:15 AM
Last Quarter · 60%
Sat, May 9 12:48 AM 4.3 6:38 AM 7.4 1:30 PM 0.9 8:40 PM 7.0
5:51 AM
8:34 PM
2:34 AM
12:27 PM
Last Quarter · 50%

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