Mad River Slough, Arcata Bay, California Tide Chart
NOAA's predicted high and low tides at station 9418865, a subordinate station, with sunrise and sunset. Times are Pacific Time.
- Station ID
- 9418865
- Location
- 40.8650° N, 124.1480° W, California
- Prediction type
- Subordinate (adjusted from reference station 9418767 HUMBOLDT BAY (North Spit))
- Time zone
- Pacific Time (America/Los_Angeles), including daylight saving time
- Heights
- Feet above mean lower low water (MLLW)
- NOAA page
- Tide predictions for station 9418865
Tide table
Predicted high and low tides for each day, in Pacific Time, with sunrise and sunset.
| Date | High and low tides | Sunrise | Sunset |
|---|---|---|---|
| Thu, Oct 15 | High 4:48 AM, 5.7 ftLow 9:16 AM, 3.9 ftHigh 3:20 PM, 7.3 ftLow 10:33 PM, 0.3 ft | 7:28 AM | 6:36 PM |
| Fri, Oct 16 | High 5:47 AM, 5.4 ftLow 9:59 AM, 4.2 ftHigh 4:02 PM, 6.9 ftLow 11:26 PM, 0.6 ft | 7:29 AM | 6:34 PM |
| Sat, Oct 17 | High 6:55 AM, 5.3 ftLow 10:59 AM, 4.4 ftHigh 4:57 PM, 6.5 ft | 7:30 AM | 6:33 PM |
| Sun, Oct 18 | Low 12:25 AM, 0.9 ftHigh 8:04 AM, 5.4 ftLow 12:24 PM, 4.4 ftHigh 6:08 PM, 6.2 ft | 7:31 AM | 6:31 PM |
| Mon, Oct 19 | Low 1:28 AM, 1.0 ftHigh 9:00 AM, 5.6 ftLow 1:51 PM, 4.1 ftHigh 7:26 PM, 6.0 ft | 7:33 AM | 6:30 PM |
| Tue, Oct 20 | Low 2:25 AM, 1.0 ftHigh 9:40 AM, 5.9 ftLow 3:00 PM, 3.5 ftHigh 8:38 PM, 6.0 ft | 7:34 AM | 6:28 PM |
| Wed, Oct 21 | Low 3:13 AM, 1.0 ftHigh 10:12 AM, 6.3 ftLow 3:53 PM, 2.8 ftHigh 9:42 PM, 6.1 ft | 7:35 AM | 6:27 PM |
| Thu, Oct 22 | Low 3:56 AM, 1.1 ftHigh 10:41 AM, 6.8 ftLow 4:38 PM, 1.9 ftHigh 10:40 PM, 6.3 ft | 7:36 AM | 6:25 PM |
| Fri, Oct 23 | Low 4:34 AM, 1.3 ftHigh 11:09 AM, 7.4 ftLow 5:19 PM, 1.0 ftHigh 11:34 PM, 6.5 ft | 7:37 AM | 6:24 PM |
| Sat, Oct 24 | Low 5:11 AM, 1.5 ftHigh 11:38 AM, 7.9 ftLow 6:00 PM, 0.2 ft | 7:38 AM | 6:23 PM |
| Sun, Oct 25 | High 12:25 AM, 6.6 ftLow 5:48 AM, 1.9 ftHigh 12:09 PM, 8.4 ftLow 6:42 PM, -0.6 ft | 7:39 AM | 6:21 PM |
| Mon, Oct 26 | High 1:17 AM, 6.7 ftLow 6:25 AM, 2.3 ftHigh 12:41 PM, 8.8 ftLow 7:24 PM, -1.2 ft | 7:40 AM | 6:20 PM |
| Tue, Oct 27 | High 2:09 AM, 6.6 ftLow 7:04 AM, 2.7 ftHigh 1:17 PM, 9.0 ftLow 8:10 PM, -1.5 ft | 7:42 AM | 6:19 PM |
| Wed, Oct 28 | High 3:02 AM, 6.5 ftLow 7:45 AM, 3.1 ftHigh 1:56 PM, 9.0 ftLow 8:58 PM, -1.5 ft | 7:43 AM | 6:17 PM |
| Thu, Oct 29 | High 4:00 AM, 6.3 ftLow 8:31 AM, 3.5 ftHigh 2:42 PM, 8.8 ftLow 9:51 PM, -1.4 ft | 7:44 AM | 6:16 PM |
| Fri, Oct 30 | High 5:01 AM, 6.1 ftLow 9:25 AM, 3.8 ftHigh 3:34 PM, 8.4 ftLow 10:48 PM, -1.0 ft | 7:45 AM | 6:15 PM |
| Sat, Oct 31 | High 6:07 AM, 6.0 ftLow 10:32 AM, 3.9 ftHigh 4:37 PM, 7.8 ftLow 11:50 PM, -0.6 ft | 7:46 AM | 6:14 PM |
| Date | High and low tides | Sunrise | Sunset |
|---|---|---|---|
| Sun, Nov 1 | High 6:14 AM PST, 6.1 ftLow 10:54 AM PST, 3.9 ftHigh 4:52 PM PST, 7.2 ftLow 11:54 PM PST, -0.1 ft | 6:47 AM | 5:12 PM |
| Mon, Nov 2 | High 7:15 AM, 6.4 ftLow 12:24 PM, 3.5 ftHigh 6:14 PM, 6.7 ft | 6:49 AM | 5:11 PM |
| Tue, Nov 3 | Low 12:55 AM, 0.3 ftHigh 8:06 AM, 6.8 ftLow 1:44 PM, 2.7 ftHigh 7:35 PM, 6.3 ft | 6:50 AM | 5:10 PM |
| Wed, Nov 4 | Low 1:52 AM, 0.7 ftHigh 8:49 AM, 7.3 ftLow 2:49 PM, 1.8 ftHigh 8:50 PM, 6.2 ft | 6:51 AM | 5:09 PM |
| Thu, Nov 5 | Low 2:42 AM, 1.1 ftHigh 9:27 AM, 7.7 ftLow 3:42 PM, 1.0 ftHigh 9:57 PM, 6.2 ft | 6:52 AM | 5:08 PM |
| Fri, Nov 6 | Low 3:27 AM, 1.6 ftHigh 10:02 AM, 8.1 ftLow 4:29 PM, 0.2 ftHigh 10:56 PM, 6.2 ft | 6:53 AM | 5:07 PM |
| Sat, Nov 7 | Low 4:08 AM, 2.1 ftHigh 10:34 AM, 8.3 ftLow 5:10 PM, -0.3 ftHigh 11:49 PM, 6.3 ft | 6:54 AM | 5:06 PM |
| Sun, Nov 8 | Low 4:47 AM, 2.6 ftHigh 11:04 AM, 8.4 ftLow 5:49 PM, -0.7 ft | 6:56 AM | 5:04 PM |
| Mon, Nov 9 | High 12:37 AM, 6.3 ftLow 5:24 AM, 3.1 ftHigh 11:35 AM, 8.4 ftLow 6:26 PM, -0.8 ft | 6:57 AM | 5:03 PM |
| Tue, Nov 10 | High 1:22 AM, 6.2 ftLow 6:01 AM, 3.5 ftHigh 12:05 PM, 8.3 ftLow 7:03 PM, -0.8 ft | 6:58 AM | 5:02 PM |
| Wed, Nov 11 | High 2:05 AM, 6.1 ftLow 6:37 AM, 3.8 ftHigh 12:37 PM, 8.1 ftLow 7:41 PM, -0.6 ft | 6:59 AM | 5:02 PM |
| Thu, Nov 12 | High 2:49 AM, 6.0 ftLow 7:14 AM, 4.0 ftHigh 1:10 PM, 7.8 ftLow 8:21 PM, -0.4 ft | 7:00 AM | 5:01 PM |
| Fri, Nov 13 | High 3:35 AM, 5.9 ftLow 7:53 AM, 4.2 ftHigh 1:47 PM, 7.4 ftLow 9:03 PM, -0.1 ft | 7:02 AM | 5:00 PM |
| Sat, Nov 14 | High 4:24 AM, 5.7 ftLow 8:39 AM, 4.3 ftHigh 2:28 PM, 7.0 ftLow 9:47 PM, 0.2 ft | 7:03 AM | 4:59 PM |
| Sun, Nov 15 | High 5:16 AM, 5.7 ftLow 9:38 AM, 4.3 ftHigh 3:17 PM, 6.6 ftLow 10:35 PM, 0.6 ft | 7:04 AM | 4:58 PM |
| Mon, Nov 16 | High 6:07 AM, 5.8 ftLow 10:52 AM, 4.2 ftHigh 4:20 PM, 6.1 ftLow 11:25 PM, 0.9 ft | 7:05 AM | 4:57 PM |
| Tue, Nov 17 | High 6:52 AM, 6.1 ftLow 12:13 PM, 3.9 ftHigh 5:35 PM, 5.7 ft | 7:06 AM | 4:56 PM |
| Wed, Nov 18 | Low 12:15 AM, 1.2 ftHigh 7:32 AM, 6.5 ftLow 1:23 PM, 3.2 ftHigh 6:54 PM, 5.5 ft | 7:08 AM | 4:56 PM |
| Thu, Nov 19 | Low 1:04 AM, 1.5 ftHigh 8:07 AM, 6.9 ftLow 2:21 PM, 2.3 ftHigh 8:09 PM, 5.5 ft | 7:09 AM | 4:55 PM |
| Fri, Nov 20 | Low 1:51 AM, 1.9 ftHigh 8:41 AM, 7.5 ftLow 3:10 PM, 1.4 ftHigh 9:19 PM, 5.6 ft | 7:10 AM | 4:54 PM |
| Sat, Nov 21 | Low 2:37 AM, 2.2 ftHigh 9:14 AM, 8.1 ftLow 3:55 PM, 0.3 ftHigh 10:23 PM, 5.9 ft | 7:11 AM | 4:54 PM |
| Sun, Nov 22 | Low 3:22 AM, 2.6 ftHigh 9:49 AM, 8.6 ftLow 4:40 PM, -0.6 ftHigh 11:21 PM, 6.1 ft | 7:12 AM | 4:53 PM |
| Mon, Nov 23 | Low 4:07 AM, 3.0 ftHigh 10:27 AM, 9.1 ftLow 5:24 PM, -1.3 ft | 7:13 AM | 4:53 PM |
| Tue, Nov 24 | High 12:16 AM, 6.4 ftLow 4:53 AM, 3.2 ftHigh 11:08 AM, 9.4 ftLow 6:10 PM, -1.9 ft | 7:14 AM | 4:52 PM |
| Wed, Nov 25 | High 1:09 AM, 6.5 ftLow 5:40 AM, 3.4 ftHigh 11:52 AM, 9.6 ftLow 6:57 PM, -2.1 ft | 7:15 AM | 4:52 PM |
| Thu, Nov 26 | High 2:02 AM, 6.5 ftLow 6:30 AM, 3.6 ftHigh 12:39 PM, 9.5 ftLow 7:46 PM, -2.0 ft | 7:17 AM | 4:51 PM |
| Fri, Nov 27 | High 2:55 AM, 6.5 ftLow 7:24 AM, 3.6 ftHigh 1:31 PM, 9.1 ftLow 8:37 PM, -1.7 ft | 7:18 AM | 4:51 PM |
| Sat, Nov 28 | High 3:49 AM, 6.5 ftLow 8:24 AM, 3.7 ftHigh 2:27 PM, 8.5 ftLow 9:29 PM, -1.2 ft | 7:19 AM | 4:50 PM |
| Sun, Nov 29 | High 4:44 AM, 6.6 ftLow 9:32 AM, 3.6 ftHigh 3:29 PM, 7.7 ftLow 10:22 PM, -0.6 ft | 7:20 AM | 4:50 PM |
| Mon, Nov 30 | High 5:38 AM, 6.8 ftLow 10:50 AM, 3.4 ftHigh 4:39 PM, 6.9 ftLow 11:16 PM, 0.1 ft | 7:21 AM | 4:50 PM |
Data sources
- Tide predictions, station 9418865, 2026–2027
- NOAA CO-OPS, from the CO-OPS Data API. Retrieved October 15, 2026.
- Station list, 3,502 NOAA tide prediction stations
- NOAA CO-OPS, from the CO-OPS Metadata API. Retrieved October 15, 2026.
- Sunrise and sunset, calculated by YepTidal from each station's location
- Using the method of the NOAA GML Solar Calculator.