California

Mad River Slough, Arcata Bay — Weekly Tide Table

May 17 – May 23, 2026 · Local station time · Heights in ft (MLLW)
Date Tide Curve High & Low Tides Sun Moon
Sun, May 17 12:35 AM 9.0 7:33 AM -2.3 2:30 PM 6.2 7:09 PM 2.8
5:59 AM
8:29 PM
6:06 AM
10:22 PM
New Moon · 2%
Mon, May 18 1:20 AM 9.0 8:22 AM -2.5 3:26 PM 6.1 7:59 PM 3.0
5:58 AM
8:30 PM
7:02 AM
11:29 PM
Waxing Crescent · 6%
Tue, May 19 2:09 AM 8.9 9:13 AM -2.3 4:21 PM 6.1 8:54 PM 3.1
5:57 AM
8:31 PM
8:08 AM
Waxing Crescent · 12%
Wed, May 20 3:02 AM 8.4 10:06 AM -1.9 5:18 PM 6.0 9:56 PM 3.2
5:56 AM
8:32 PM
9:23 AM
12:24 AM
Waxing Crescent · 21%
Thu, May 21 4:00 AM 7.8 11:01 AM -1.4 6:16 PM 6.1 11:07 PM 3.1
5:56 AM
8:33 PM
10:40 AM
1:07 AM
Waxing Crescent · 31%
Fri, May 22 5:05 AM 7.0 11:57 AM -0.8 7:11 PM 6.2
5:55 AM
8:33 PM
11:56 AM
1:41 AM
First Quarter · 42%
Sat, May 23 12:26 AM 2.9 6:16 AM 6.3 12:52 PM -0.2 8:03 PM 6.5
5:54 AM
8:34 PM
1:09 PM
2:09 AM
First Quarter · 53%

▲ high tide   ▼ low tide · heights in ft above MLLW · predictions derived from NOAA data for station 9418865 · view the interactive daily chart