Washington

Mailboat Slough, Willapa River — Weekly Tide Table

Mar 15 – Mar 21, 2026 · Local station time · Heights in ft (MLLW) · Negative tides only
Date Tide Curve High & Low Tides Sun Moon
Fri, Mar 20 2:44 AM 10.4 8:55 AM -0.1 3:15 PM 9.4 8:58 PM 1.1
7:21 AM
7:27 PM
7:40 AM
10:05 PM
New Moon · 4%
Sat, Mar 21 3:17 AM 10.7 9:38 AM -0.5 4:04 PM 9.0 9:34 PM 1.8
7:19 AM
7:28 PM
8:03 AM
11:28 PM
Waxing Crescent · 9%

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