Today's tide times for Mad River Slough, Arcata Bay, Humboldt Bay, California
The predicted tide times today on Sunday 30 March 2025 for Mad River Slough, Arcata Bay, Humboldt Bay are: first high tide at 1:32am, first low tide at 7:46am, second high tide at 2:15pm, second low tide at 7:45pm. Sunrise is at 7:02am and sunset is at 7:39pm.
Today's tide times for Mad River Slough, Arcata Bay, Humboldt Bay: Sunday 30 March 2025
Tide | Time (PDT)& Date | Height |
---|---|---|
High Tide | 1:32 AM(Sun 30 March) | 8.3 ft (2.53 m) |
Low Tide | 7:46 AM(Sun 30 March) | -0.72 ft (-0.22 m) |
High Tide | 2:15 PM(Sun 30 March) | 7.22 ft (2.2 m) |
Low Tide | 7:45 PM(Sun 30 March) | 1.05 ft (0.32 m) |
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Tide chart for Mad River Slough, Arcata Bay, Humboldt BayShowing low and high tide times for the next 30 days at Mad River Slough, Arcata Bay, Humboldt Bay. Tide Times are PDT (UTC -7.0hrs).
View Mad River Slough, Arcata Bay, Humboldt Bay 7 Day Tide Chart Image.


HIGH (PDT) |
LOW (PDT) |
Sun |
Moon Set Rise |
Wind |
Sunday, 30 Mar | 31 Mar | 1 Apr | 2 Apr | 3 Apr | 4 Apr | 5 Apr | 6 Apr | 7 Apr | 8 Apr | 9 Apr | 10 Apr | 11 Apr | 12 Apr | 13 Apr | 14 Apr | 15 Apr | 16 Apr | 17 Apr | 18 Apr | 19 Apr | 20 Apr | 21 Apr | 22 Apr | 23 Apr | 24 Apr | 25 Apr | 26 Apr | 27 Apr | |||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
AM | PM | Mon | Tue | Wed | Thu | Fri | Sat | Sun | Mon | Tue | Wed | Thu | Fri | Sat | Sun | Mon | Tue | Wed | Thu | Fri | Sat | Sun | Mon | Tue | Wed | Thu | Fri | Sat | Sun | ||
1:32AM 8.3ft 7:46AM -0.7ft 2:15PM 7.2ft 7:45PM 1.1ft | |||||||||||||||||||||||||||||||
1:32AM8.3ft | 2:15PM7.22ft | 2:08AM8.66ft 3:11PM6.79ft | 2:47AM8.76ft 4:11PM6.3ft | 3:30AM8.6ft 5:16PM5.84ft | 4:19AM8.24ft 6:31PM5.48ft | 5:17AM7.71ft 7:54PM5.38ft | 6:27AM7.15ft 9:11PM5.54ft | 7:45AM6.73ft 10:10PM5.81ft | 9:01AM6.53ft 10:54PM6.14ft | 10:08AM6.43ft 11:28PM6.43ft | 11:04AM6.4ft 11:56PM6.69ft | 11:54AM6.37ft | 00:21AM6.96ft 12:38PM6.27ft | 00:45AM7.19ft 1:21PM6.17ft | 1:09AM7.35ft 2:02PM6.04ft | 1:33AM7.45ft 2:43PM5.87ft | 1:58AM7.48ft 3:26PM5.68ft | 2:25AM7.42ft 4:13PM5.41ft | 2:55AM7.28ft 5:06PM5.15ft | 3:29AM7.09ft 6:07PM4.95ft | 4:14AM6.82ft 7:14PM4.89ft | 5:14AM6.56ft 8:19PM5.05ft | 6:31AM6.33ft 9:10PM5.38ft | 7:52AM6.23ft 9:51PM5.87ft | 9:08AM6.27ft 10:27PM6.46ft | 10:17AM6.4ft 11:01PM7.15ft | 11:21AM6.56ft 11:36PM7.84ft | 12:21PM6.66ft | 00:13AM8.43ft 1:19PM6.66ft | ||
7:46AM-0.72ft | 7:45PM1.05ft | 8:35AM-1.15ft 8:26PM1.74ft | 9:27AM-1.25ft 9:09PM2.4ft | 10:23AM-1.12ft 9:57PM3.02ft | 11:23AM-0.75ft 10:57PM3.48ft | 12:31PM-0.39ft | 00:14AM3.77ft 1:42PM-0.1ft | 1:44AM3.67ft 2:50PM0.07ft | 3:06AM3.22ft 3:48PM0.16ft | 4:10AM2.62ft 4:35PM0.3ft | 5:01AM1.97ft 5:14PM0.52ft | 5:44AM1.35ft 5:49PM0.85ft | 6:22AM0.82ft 6:20PM1.25ft | 6:58AM0.36ft 6:50PM1.67ft | 7:33AM0.03ft 7:19PM2.13ft | 8:08AM-0.16ft 7:47PM2.59ft | 8:43AM-0.26ft 8:15PM2.99ft | 9:21AM-0.23ft 8:44PM3.31ft | 10:03AM-0.13ft 9:16PM3.61ft | 10:51AM0.03ft 9:57PM3.84ft | 11:46AM0.13ft 11:00PM3.97ft | 12:47PM0.2ft | 00:31AM3.9ft 1:49PM0.16ft | 2:00AM3.48ft 2:45PM0.13ft | 3:12AM2.69ft 3:36PM0.2ft | 4:12AM1.67ft 4:22PM0.36ft | 5:05AM0.56ft 5:06PM0.69ft | 5:54AM-0.52ft 5:49PM1.12ft | 6:43AM-1.38ft 6:32PM1.61ft | ||
7:02AM | 7:39PM | 7:00AM 7:41PM | 6:59AM 7:42PM | 6:57AM 7:43PM | 6:56AM 7:44PM | 6:54AM 7:45PM | 6:52AM 7:46PM | 6:51AM 7:47PM | 6:49AM 7:48PM | 6:47AM 7:49PM | 6:46AM 7:50PM | 6:44AM 7:51PM | 6:43AM 7:52PM | 6:41AM 7:53PM | 6:40AM 7:54PM | 6:38AM 7:55PM | 6:36AM 7:56PM | 6:35AM 7:57PM | 6:33AM 7:58PM | 6:32AM 7:59PM | 6:30AM 8:00PM | 6:29AM 8:02PM | 6:28AM 8:03PM | 6:26AM 8:04PM | 6:25AM 8:05PM | 6:23AM 8:06PM | 6:22AM 8:07PM | 6:20AM 8:08PM | 6:19AM 8:09PM | ||
7:34AM | 9:46PM | 11:08PM 8:04AM | 8:40AM | 00:28AM 9:26AM | 1:42AM 10:21AM | First Quarter 2:44AM 11:24AM | 3:33AM 12:33PM | 4:12AM 1:42PM | 4:42AM 2:50PM | 5:06AM 3:55PM | 5:28AM 4:57PM | 5:47AM 5:58PM | 6:06AM 6:59PM | Full Moon 6:24AM 7:59PM | 6:45AM 9:02PM | 7:08AM 10:05PM | 7:35AM 11:08PM | 8:09AM | 8:50AM 00:10AM | 9:40AM 1:08AM | 10:40AM 2:00AM | Last Quarter 11:46AM 2:44AM | 12:57PM 3:20AM | 2:09PM 3:51AM | 3:23PM 4:18AM | 4:38PM 4:42AM | 5:55PM 5:06AM | 7:15PM 5:31AM | New Moon 8:37PM 5:59AM | ||

Mad River Slough, Arcata Bay, Humboldt Bay tide chart key:
The tide chart above shows the height and times of high tide and low tide for Mad River Slough, Arcata Bay, Humboldt Bay, California. The red flashing dot shows the tide time right now. The grey shading corresponds to nighttime hours between sunset and sunrise at Mad River Slough, Arcata Bay, Humboldt Bay.
Tide Times are PDT (UTC -7.0hrs). Last Spring High Tide at Mad River Slough, Arcata Bay, Humboldt Bay was on Mon 17 Mar (height: 2.25m 7.4ft). Next high Spring Tide at Mad River Slough, Arcata Bay, Humboldt Bay will be on Mon 31 Mar (height: 2.67m 8.8ft).
Mad River Slough, Arcata Bay, Humboldt Bay tide chart key: The tide chart above shows the height and times of high tide and low tide for Mad River Slough, Arcata Bay, Humboldt Bay, California. The grey shading corresponds to nighttime hours between sunset and sunrise at Mad River Slough, Arcata Bay, Humboldt Bay.
Tide Times are PDT (UTC -7.0hrs). Last Spring High Tide at Mad River Slough, Arcata Bay, Humboldt Bay was on Mon 17 Mar (height: 2.25m 7.4ft). Next high Spring Tide at Mad River Slough, Arcata Bay, Humboldt Bay will be on Mon 31 Mar (height: 2.67m 8.8ft).
Mad River Slough, Arcata Bay, Humboldt Bay tide times for March and April
March and April Tide charts for Mad River Slough, Arcata Bay, Humboldt Bay: The tide charts below show the height, time and date of high and low tides for the next 30 days.
Tide Times for Mad River Slough, Arcata Bay, Humboldt Bay (tomorrow): Monday 31 March 2025
Tide | Time (PDT)& Date | Height |
---|---|---|
High Tide | 2:08 AM(Mon 31 March) | 8.65 ft (2.64 m) |
Low Tide | 8:35 AM(Mon 31 March) | -1.14 ft (-0.35 m) |
High Tide | 3:11 PM(Mon 31 March) | 6.8 ft (2.07 m) |
Low Tide | 8:26 PM(Mon 31 March) | 1.73 ft (0.53 m) |
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Tide Times for Mad River Slough, Arcata Bay, Humboldt Bay: Tuesday 01 April 2025
Tide | Time (PDT)& Date | Height |
---|---|---|
High Tide | 2:47 AM(Tue 01 April) | 8.76 ft (2.67 m) |
Low Tide | 9:27 AM(Tue 01 April) | -1.26 ft (-0.38 m) |
High Tide | 4:11 PM(Tue 01 April) | 6.31 ft (1.92 m) |
Low Tide | 9:09 PM(Tue 01 April) | 2.4 ft (0.73 m) |
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Tide Times for Mad River Slough, Arcata Bay, Humboldt Bay: Wednesday 02 April 2025
Tide | Time (PDT)& Date | Height |
---|---|---|
High Tide | 3:30 AM(Wed 02 April) | 8.61 ft (2.63 m) |
Low Tide | 10:23 AM(Wed 02 April) | -1.1 ft (-0.34 m) |
High Tide | 5:16 PM(Wed 02 April) | 5.84 ft (1.78 m) |
Low Tide | 9:57 PM(Wed 02 April) | 3.01 ft (0.92 m) |
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Tide Times for Mad River Slough, Arcata Bay, Humboldt Bay: Thursday 03 April 2025
Tide | Time (PDT)& Date | Height |
---|---|---|
High Tide | 4:19 AM(Thu 03 April) | 8.23 ft (2.51 m) |
Low Tide | 11:23 AM(Thu 03 April) | -0.76 ft (-0.23 m) |
High Tide | 6:31 PM(Thu 03 April) | 5.49 ft (1.67 m) |
Low Tide | 10:57 PM(Thu 03 April) | 3.49 ft (1.06 m) |
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Tide Times for Mad River Slough, Arcata Bay, Humboldt Bay: Friday 04 April 2025
Tide | Time (PDT)& Date | Height |
---|---|---|
High Tide | 5:17 AM(Fri 04 April) | 7.7 ft (2.35 m) |
Low Tide | 12:31 PM(Fri 04 April) | -0.39 ft (-0.12 m) |
High Tide | 7:54 PM(Fri 04 April) | 5.39 ft (1.64 m) |
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Tide Times for Mad River Slough, Arcata Bay, Humboldt Bay: Saturday 05 April 2025
Tide | Time (PDT)& Date | Height |
---|---|---|
Low Tide | 00:14 AM(Sat 05 April) | 3.76 ft (1.15 m) |
High Tide | 6:27 AM(Sat 05 April) | 7.15 ft (2.18 m) |
Low Tide | 1:42 PM(Sat 05 April) | -0.1 ft (-0.03 m) |
High Tide | 9:11 PM(Sat 05 April) | 5.54 ft (1.69 m) |
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Tide Times for Mad River Slough, Arcata Bay, Humboldt Bay: Sunday 06 April 2025
Tide | Time (PDT)& Date | Height |
---|---|---|
Low Tide | 1:44 AM(Sun 06 April) | 3.67 ft (1.12 m) |
High Tide | 7:45 AM(Sun 06 April) | 6.74 ft (2.05 m) |
Low Tide | 2:50 PM(Sun 06 April) | 0.06 ft (0.02 m) |
High Tide | 10:10 PM(Sun 06 April) | 5.81 ft (1.77 m) |
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Tide Times for Mad River Slough, Arcata Bay, Humboldt Bay: Monday 07 April 2025
Tide | Time (PDT)& Date | Height |
---|---|---|
Low Tide | 3:06 AM(Mon 07 April) | 3.23 ft (0.98 m) |
High Tide | 9:01 AM(Mon 07 April) | 6.52 ft (1.99 m) |
Low Tide | 3:48 PM(Mon 07 April) | 0.17 ft (0.05 m) |
High Tide | 10:54 PM(Mon 07 April) | 6.12 ft (1.87 m) |
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Tide Times for Mad River Slough, Arcata Bay, Humboldt Bay: Tuesday 08 April 2025
Tide | Time (PDT)& Date | Height |
---|---|---|
Low Tide | 4:10 AM(Tue 08 April) | 2.62 ft (0.8 m) |
High Tide | 10:08 AM(Tue 08 April) | 6.44 ft (1.96 m) |
Low Tide | 4:35 PM(Tue 08 April) | 0.31 ft (0.09 m) |
High Tide | 11:28 PM(Tue 08 April) | 6.42 ft (1.96 m) |
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Tide Times for Mad River Slough, Arcata Bay, Humboldt Bay: Wednesday 09 April 2025
Tide | Time (PDT)& Date | Height |
---|---|---|
Low Tide | 5:01 AM(Wed 09 April) | 1.96 ft (0.6 m) |
High Tide | 11:04 AM(Wed 09 April) | 6.4 ft (1.95 m) |
Low Tide | 5:14 PM(Wed 09 April) | 0.53 ft (0.16 m) |
High Tide | 11:56 PM(Wed 09 April) | 6.69 ft (2.04 m) |
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Tide Times for Mad River Slough, Arcata Bay, Humboldt Bay: Thursday 10 April 2025
Tide | Time (PDT)& Date | Height |
---|---|---|
Low Tide | 5:44 AM(Thu 10 April) | 1.35 ft (0.41 m) |
High Tide | 11:54 AM(Thu 10 April) | 6.35 ft (1.94 m) |
Low Tide | 5:49 PM(Thu 10 April) | 0.85 ft (0.26 m) |
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Tide Times for Mad River Slough, Arcata Bay, Humboldt Bay: Friday 11 April 2025
Tide | Time (PDT)& Date | Height |
---|---|---|
High Tide | 00:21 AM(Fri 11 April) | 6.95 ft (2.12 m) |
Low Tide | 6:22 AM(Fri 11 April) | 0.81 ft (0.25 m) |
High Tide | 12:38 PM(Fri 11 April) | 6.28 ft (1.91 m) |
Low Tide | 6:20 PM(Fri 11 April) | 1.24 ft (0.38 m) |
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Tide Times for Mad River Slough, Arcata Bay, Humboldt Bay: Saturday 12 April 2025
Tide | Time (PDT)& Date | Height |
---|---|---|
High Tide | 00:45 AM(Sat 12 April) | 7.17 ft (2.19 m) |
Low Tide | 6:58 AM(Sat 12 April) | 0.36 ft (0.11 m) |
High Tide | 1:21 PM(Sat 12 April) | 6.18 ft (1.88 m) |
Low Tide | 6:50 PM(Sat 12 April) | 1.68 ft (0.51 m) |
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Tide Times for Mad River Slough, Arcata Bay, Humboldt Bay: Sunday 13 April 2025
Tide | Time (PDT)& Date | Height |
---|---|---|
High Tide | 1:09 AM(Sun 13 April) | 7.34 ft (2.24 m) |
Low Tide | 7:33 AM(Sun 13 April) | 0.03 ft (0.01 m) |
High Tide | 2:02 PM(Sun 13 April) | 6.05 ft (1.84 m) |
Low Tide | 7:19 PM(Sun 13 April) | 2.14 ft (0.65 m) |
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Tide Times for Mad River Slough, Arcata Bay, Humboldt Bay: Monday 14 April 2025
Tide | Time (PDT)& Date | Height |
---|---|---|
High Tide | 1:33 AM(Mon 14 April) | 7.45 ft (2.27 m) |
Low Tide | 8:08 AM(Mon 14 April) | -0.18 ft (-0.05 m) |
High Tide | 2:43 PM(Mon 14 April) | 5.88 ft (1.79 m) |
Low Tide | 7:47 PM(Mon 14 April) | 2.58 ft (0.79 m) |
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Tide Times for Mad River Slough, Arcata Bay, Humboldt Bay: Tuesday 15 April 2025
Tide | Time (PDT)& Date | Height |
---|---|---|
High Tide | 1:58 AM(Tue 15 April) | 7.47 ft (2.28 m) |
Low Tide | 8:43 AM(Tue 15 April) | -0.26 ft (-0.08 m) |
High Tide | 3:26 PM(Tue 15 April) | 5.66 ft (1.73 m) |
Low Tide | 8:15 PM(Tue 15 April) | 2.98 ft (0.91 m) |
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Tide Times for Mad River Slough, Arcata Bay, Humboldt Bay: Wednesday 16 April 2025
Tide | Time (PDT)& Date | Height |
---|---|---|
High Tide | 2:25 AM(Wed 16 April) | 7.41 ft (2.26 m) |
Low Tide | 9:21 AM(Wed 16 April) | -0.23 ft (-0.07 m) |
High Tide | 4:13 PM(Wed 16 April) | 5.4 ft (1.65 m) |
Low Tide | 8:44 PM(Wed 16 April) | 3.32 ft (1.01 m) |
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Tide Times for Mad River Slough, Arcata Bay, Humboldt Bay: Thursday 17 April 2025
Tide | Time (PDT)& Date | Height |
---|---|---|
High Tide | 2:55 AM(Thu 17 April) | 7.28 ft (2.22 m) |
Low Tide | 10:03 AM(Thu 17 April) | -0.12 ft (-0.04 m) |
High Tide | 5:06 PM(Thu 17 April) | 5.14 ft (1.57 m) |
Low Tide | 9:16 PM(Thu 17 April) | 3.6 ft (1.1 m) |
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Tide Times for Mad River Slough, Arcata Bay, Humboldt Bay: Friday 18 April 2025
Tide | Time (PDT)& Date | Height |
---|---|---|
High Tide | 3:29 AM(Fri 18 April) | 7.08 ft (2.16 m) |
Low Tide | 10:51 AM(Fri 18 April) | 0.02 ft (0.01 m) |
High Tide | 6:07 PM(Fri 18 April) | 4.94 ft (1.51 m) |
Low Tide | 9:57 PM(Fri 18 April) | 3.83 ft (1.17 m) |
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Tide Times for Mad River Slough, Arcata Bay, Humboldt Bay: Saturday 19 April 2025
Tide | Time (PDT)& Date | Height |
---|---|---|
High Tide | 4:14 AM(Sat 19 April) | 6.83 ft (2.08 m) |
Low Tide | 11:46 AM(Sat 19 April) | 0.14 ft (0.04 m) |
High Tide | 7:14 PM(Sat 19 April) | 4.89 ft (1.49 m) |
Low Tide | 11:00 PM(Sat 19 April) | 3.97 ft (1.21 m) |
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Tide Times for Mad River Slough, Arcata Bay, Humboldt Bay: Sunday 20 April 2025
Tide | Time (PDT)& Date | Height |
---|---|---|
High Tide | 5:14 AM(Sun 20 April) | 6.56 ft (2.0 m) |
Low Tide | 12:47 PM(Sun 20 April) | 0.19 ft (0.06 m) |
High Tide | 8:19 PM(Sun 20 April) | 5.04 ft (1.54 m) |
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Tide Times for Mad River Slough, Arcata Bay, Humboldt Bay: Monday 21 April 2025
Tide | Time (PDT)& Date | Height |
---|---|---|
Low Tide | 00:31 AM(Mon 21 April) | 3.91 ft (1.19 m) |
High Tide | 6:31 AM(Mon 21 April) | 6.32 ft (1.93 m) |
Low Tide | 1:49 PM(Mon 21 April) | 0.17 ft (0.05 m) |
High Tide | 9:10 PM(Mon 21 April) | 5.37 ft (1.64 m) |
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Tide Times for Mad River Slough, Arcata Bay, Humboldt Bay: Tuesday 22 April 2025
Tide | Time (PDT)& Date | Height |
---|---|---|
Low Tide | 2:00 AM(Tue 22 April) | 3.47 ft (1.06 m) |
High Tide | 7:52 AM(Tue 22 April) | 6.23 ft (1.9 m) |
Low Tide | 2:45 PM(Tue 22 April) | 0.14 ft (0.04 m) |
High Tide | 9:51 PM(Tue 22 April) | 5.86 ft (1.79 m) |
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Tide Times for Mad River Slough, Arcata Bay, Humboldt Bay: Wednesday 23 April 2025
Tide | Time (PDT)& Date | Height |
---|---|---|
Low Tide | 3:12 AM(Wed 23 April) | 2.68 ft (0.82 m) |
High Tide | 9:08 AM(Wed 23 April) | 6.28 ft (1.91 m) |
Low Tide | 3:36 PM(Wed 23 April) | 0.19 ft (0.06 m) |
High Tide | 10:27 PM(Wed 23 April) | 6.47 ft (1.97 m) |
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Tide Times for Mad River Slough, Arcata Bay, Humboldt Bay: Thursday 24 April 2025
Tide | Time (PDT)& Date | Height |
---|---|---|
Low Tide | 4:12 AM(Thu 24 April) | 1.66 ft (0.51 m) |
High Tide | 10:17 AM(Thu 24 April) | 6.41 ft (1.95 m) |
Low Tide | 4:22 PM(Thu 24 April) | 0.36 ft (0.11 m) |
High Tide | 11:01 PM(Thu 24 April) | 7.15 ft (2.18 m) |
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Tide Times for Mad River Slough, Arcata Bay, Humboldt Bay: Friday 25 April 2025
Tide | Time (PDT)& Date | Height |
---|---|---|
Low Tide | 5:05 AM(Fri 25 April) | 0.55 ft (0.17 m) |
High Tide | 11:21 AM(Fri 25 April) | 6.56 ft (2.0 m) |
Low Tide | 5:06 PM(Fri 25 April) | 0.68 ft (0.21 m) |
High Tide | 11:36 PM(Fri 25 April) | 7.84 ft (2.39 m) |
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Tide Times for Mad River Slough, Arcata Bay, Humboldt Bay: Saturday 26 April 2025
Tide | Time (PDT)& Date | Height |
---|---|---|
Low Tide | 5:54 AM(Sat 26 April) | -0.51 ft (-0.16 m) |
High Tide | 12:21 PM(Sat 26 April) | 6.65 ft (2.03 m) |
Low Tide | 5:49 PM(Sat 26 April) | 1.11 ft (0.34 m) |
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Tide Times for Mad River Slough, Arcata Bay, Humboldt Bay: Sunday 27 April 2025
Tide | Time (PDT)& Date | Height |
---|---|---|
High Tide | 00:13 AM(Sun 27 April) | 8.43 ft (2.57 m) |
Low Tide | 6:43 AM(Sun 27 April) | -1.38 ft (-0.42 m) |
High Tide | 1:19 PM(Sun 27 April) | 6.66 ft (2.03 m) |
Low Tide | 6:32 PM(Sun 27 April) | 1.61 ft (0.49 m) |
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NOTE: We do not accept responsibility for any amendments or changes to the data whilst it is displayed / printed from our website.