California

Mad River Slough, Arcata Bay — Tide Calendar

August 2026 · Local station time · Heights in ft (MLLW) · Negative tides only
Date Tide Curve High & Low Tides Sun Moon
Sat, Aug 1 2:19 AM 7.4 8:49 AM -0.2 3:39 PM 6.7 9:03 PM 2.4
6:13 AM
8:35 PM
10:02 PM
9:21 AM
Waning Gibbous · 90%
Sat, Aug 8 3:16 AM -0.2 10:26 AM 5.1 2:23 PM 3.8 8:57 PM 8.4
6:20 AM
8:27 PM
1:23 AM
5:48 PM
Waning Crescent · 19%
Sun, Aug 9 4:18 AM -0.7 11:30 AM 5.5 3:41 PM 3.7 10:03 PM 8.7
6:21 AM
8:26 PM
2:28 AM
6:46 PM
Waning Crescent · 11%
Mon, Aug 10 5:13 AM -1.2 12:18 PM 6.0 4:47 PM 3.3 11:04 PM 8.9
6:22 AM
8:24 PM
3:41 AM
7:32 PM
Waning Crescent · 5%
Tue, Aug 11 6:02 AM -1.5 12:59 PM 6.4 5:46 PM 2.8
6:23 AM
8:23 PM
4:59 AM
8:08 PM
New Moon · 1%
Wed, Aug 12 12:00 AM 9.0 6:47 AM -1.5 1:38 PM 6.8 6:40 PM 2.2
6:24 AM
8:22 PM
6:16 AM
8:38 PM
New Moon · 0%
Thu, Aug 13 12:53 AM 8.8 7:28 AM -1.3 2:14 PM 7.1 7:32 PM 1.8
6:25 AM
8:20 PM
7:31 AM
9:03 PM
New Moon · 2%
Fri, Aug 14 1:43 AM 8.4 8:07 AM -0.8 2:50 PM 7.4 8:22 PM 1.4
6:26 AM
8:19 PM
8:42 AM
9:25 PM
Waxing Crescent · 6%
Sat, Aug 15 2:33 AM 7.8 8:44 AM -0.1 3:24 PM 7.6 9:12 PM 1.2
6:27 AM
8:18 PM
9:50 AM
9:47 PM
Waxing Crescent · 12%
Wed, Aug 26 6:11 AM -0.2 1:00 PM 6.2 6:01 PM 2.8
6:38 AM
8:02 PM
7:19 PM
4:57 AM
Full Moon · 98%
Thu, Aug 27 12:06 AM 7.7 6:42 AM -0.2 1:26 PM 6.5 6:40 PM 2.4
6:39 AM
8:00 PM
7:43 PM
6:02 AM
Full Moon · 100%
Fri, Aug 28 12:47 AM 7.7 7:12 AM -0.1 1:52 PM 6.8 7:20 PM 1.9
6:39 AM
7:59 PM
8:05 PM
7:08 AM
Full Moon · 100%

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