Today's tide times for Chichagof Harbor, Attu Island, Alaska
The predicted tide times today on Wednesday 29 April 2026 for Chichagof Harbor, Attu Island are: first high tide at 4:32am, first low tide at 12:04pm, second high tide at 7:26pm, second low tide at 11:36pm. Sunrise is at 7:57am and sunset is at 10:52pm.
Today's tide times for Chichagof Harbor, Attu Island: Wednesday 29 April 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| High Tide | 4:32 AM(Wed 29 April) | 2.98 ft (0.91 m) |
| Low Tide | 12:04 PM(Wed 29 April) | -0.05 ft (-0.02 m) |
| High Tide | 7:26 PM(Wed 29 April) | 2.49 ft (0.76 m) |
| Low Tide | 11:36 PM(Wed 29 April) | 2.05 ft (0.62 m) |
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Tide chart for Chichagof Harbor, Attu IslandShowing low and high tide times for the next 30 days at Chichagof Harbor, Attu Island. Tide Times are HDT (UTC -9.0hrs).
View Chichagof Harbor, Attu Island 7 Day Tide Chart Image.


HIGH (HDT) |
LOW (HDT) |
| Sun |
Moon Set Rise |
| Wind |
Wednesday, 29 Apr | 30 Apr | 1 May | 2 May | 3 May | 4 May | 5 May | 6 May | 7 May | 8 May | 9 May | 10 May | 11 May | 12 May | 13 May | 14 May | 15 May | 16 May | 17 May | 18 May | 19 May | 20 May | 21 May | 22 May | 23 May | 24 May | 25 May | 26 May | 27 May | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AM | PM | 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 | Mon | Tue | Wed | ||
4:32AM0.91m | 7:26PM0.76m | 4:55AM0.91m 8:43PM0.85m | 5:15AM0.91m 9:45PM0.93m | 5:33AM0.91m 10:38PM0.98m | 5:48AM0.92m 11:27PM1.00m | 6:05AM0.93m | 00:14AM1.00m 6:28AM0.94m | 00:59AM0.99m 6:59AM0.95m | 1:39AM0.97m 7:36AM0.94m | 2:10AM0.94m 8:20AM0.90m | 2:28AM0.91m 9:18AM0.83m | 2:38AM0.88m 10:46AM0.73m | 2:42AM0.87m 12:48PM0.63m | 2:44AM0.87m 3:11PM0.59m | 2:48AM0.91m 5:37PM0.65m | 2:57AM0.98m 8:03PM0.78m | 3:15AM1.07m | 3:44AM1.16m | 4:24AM1.23m | 5:15AM1.27m 11:46PM1.08m | 6:13AM1.27m | 00:04AM1.06m 7:15AM1.22m | 00:25AM1.04m 8:22AM1.12m | 00:48AM1.02m 9:35AM0.98m | 1:12AM1.02m 11:00AM0.83m | 1:37AM1.04m 12:43PM0.69m | 2:03AM1.05m 2:46PM0.62m | 2:27AM1.07m 5:00PM0.66m | 2:51AM1.08m 7:13PM0.77m | ||
12:04PM-0.02m | 11:36PM0.62m | 12:47PM-0.13m | 00:42AM0.74m 1:26PM-0.22m | 1:48AM0.82m 2:03PM-0.27m | 2:47AM0.87m 2:39PM-0.30m | 3:37AM0.91m 3:15PM-0.30m | 4:15AM0.93m 3:52PM-0.29m | 4:45AM0.93m 4:29PM-0.26m | 5:19AM0.92m 5:06PM-0.22m | 6:07AM0.88m 5:43PM-0.15m | 7:08AM0.81m 6:20PM-0.05m | 8:08AM0.70m 6:56PM0.09m | 8:58AM0.55m 7:32PM0.25m | 9:41AM0.36m 8:06PM0.43m | 10:24AM0.14m 8:37PM0.61m | 11:07AM-0.08m 8:54PM0.78m | 11:53AM-0.28m | 12:40PM-0.45m | 1:29PM-0.56m | 2:18PM-0.62m | 1:13AM1.07m 3:08PM-0.60m | 2:37AM1.02m 3:58PM-0.53m | 4:00AM0.94m 4:46PM-0.40m | 5:23AM0.81m 5:32PM-0.22m | 6:45AM0.65m 6:16PM-0.02m | 8:02AM0.46m 6:58PM0.19m | 9:08AM0.27m 7:38PM0.40m | 10:05AM0.09m 8:19PM0.59m | 10:55AM-0.06m 9:02PM0.76m | ||
7:57AM | 10:52PM | 7:55AM 10:54PM | 7:53AM 10:55PM | 7:51AM 10:57PM | 7:49AM 10:59PM | 7:47AM 11:01PM | 7:45AM 11:02PM | 7:43AM 11:04PM | 7:42AM 11:06PM | 7:40AM 11:07PM | 7:38AM 11:09PM | 7:36AM 11:11PM | 7:35AM 11:12PM | 7:33AM 11:14PM | 7:31AM 11:16PM | 7:30AM 11:17PM | 7:28AM 11:19PM | 7:27AM 11:20PM | 7:25AM 11:22PM | 7:24AM 11:24PM | 7:22AM 11:25PM | 7:21AM 11:27PM | 7:20AM 11:28PM | 7:18AM 11:30PM | 7:17AM 11:31PM | 7:16AM 11:32PM | 7:14AM 11:34PM | 7:13AM 11:35PM | 7:12AM 11:36PM | ||
0.45% - (Waxing Gibbous) 7:00AM | 0.47% - (Waxing Gibbous) 9:24PM | 0.5% - (Full Moon) 7:11AM 10:41PM | 0.54% - (Waning Gibbous) 7:24AM 11:58PM | 0.55% - (Waning Gibbous) 7:42AM | 0.57% - (Waning Gibbous) 8:07AM 1:12AM | 0.61% - (Waning Gibbous) 8:42AM 2:21AM | 0.64% - (Waning Gibbous) 9:31AM 3:19AM | 0.68% - (Waning Gibbous) 10:32AM 4:03AM | 0.71% - (Waning Gibbous) 11:44AM 4:34AM | 0.75% - (Last Quarter) 1:00PM 4:56AM | 0.78% - (Waning Crescent) 2:19PM 5:13AM | 0.82% - (Waning Crescent) 3:38PM 5:26AM | 0.85% - (Waning Crescent) 4:58PM 5:37AM | 0.88% - (Waning Crescent) 6:20PM 5:47AM | 0.92% - (Waning Crescent) 7:47PM 5:58AM | 0.95% - (Waning Crescent) 9:18PM 6:10AM | 0.99% - (New Moon) 10:55PM 6:27AM | 0.01% - (New Moon) 6:50AM | 0.04% - (Waxing Crescent) 00:31AM 7:25AM | 0.08% - (Waxing Crescent) 1:56AM 8:20AM | 0.11% - (Waxing Crescent) 2:59AM 9:35AM | 0.15% - (Waxing Crescent) 3:41AM 11:04AM | 0.18% - (Waxing Crescent) 4:08AM 12:35PM | 0.22% - (Waxing Crescent) 4:26AM 2:02PM | 0.25% - (First Quarter) 4:39AM 3:24PM | 0.29% - (Waxing Gibbous) 4:50AM 4:43PM | 0.33% - (Waxing Gibbous) 4:59AM 5:59PM | 0.36% - (Waxing Gibbous) 5:08AM 7:14PM | 0.4% - (Waxing Gibbous) 5:19AM 8:29PM | ||

Chichagof Harbor, Attu Island tide chart key:
The tide chart above shows the height and times of high tide and low tide for Chichagof Harbor, Attu Island, Alaska. The red flashing dot shows the tide time right now. The grey shading corresponds to nighttime hours between sunset and sunrise at Chichagof Harbor, Attu Island.
Tide Times are HDT (UTC -9.0hrs). Last Spring High Tide at Chichagof Harbor, Attu Island was on Mon 20 Apr (height: 1.17m 3.8ft). Next high Spring Tide at Chichagof Harbor, Attu Island will be on Sun 03 May (height: 1.00m 3.3ft).
Chichagof Harbor, Attu Island tide chart key: The tide chart above shows the height and times of high tide and low tide for Chichagof Harbor, Attu Island, Alaska. The grey shading corresponds to nighttime hours between sunset and sunrise at Chichagof Harbor, Attu Island.
Tide Times are HDT (UTC -9.0hrs). Last Spring High Tide at Chichagof Harbor, Attu Island was on Mon 20 Apr (height: 1.17m 3.8ft). Next high Spring Tide at Chichagof Harbor, Attu Island will be on Sun 03 May (height: 1.00m 3.3ft).
Chichagof Harbor, Attu Island tide times for April and May
April and May Tide charts for Chichagof Harbor, Attu Island: The tide charts below show the height, time and date of high and low tides for the next 30 days.
Tide Times for Chichagof Harbor, Attu Island (tomorrow): Thursday 30 April 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| High Tide | 4:55 AM(Thu 30 April) | 2.99 ft (0.91 m) |
| Low Tide | 12:47 PM(Thu 30 April) | -0.44 ft (-0.13 m) |
| High Tide | 8:43 PM(Thu 30 April) | 2.79 ft (0.85 m) |
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Tide Times for Chichagof Harbor, Attu Island: Friday 01 May 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| Low Tide | 00:42 AM(Fri 01 May) | 2.42 ft (0.74 m) |
| High Tide | 5:15 AM(Fri 01 May) | 2.99 ft (0.91 m) |
| Low Tide | 1:26 PM(Fri 01 May) | -0.71 ft (-0.22 m) |
| High Tide | 9:45 PM(Fri 01 May) | 3.04 ft (0.93 m) |
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Tide Times for Chichagof Harbor, Attu Island: Saturday 02 May 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| Low Tide | 1:48 AM(Sat 02 May) | 2.68 ft (0.82 m) |
| High Tide | 5:33 AM(Sat 02 May) | 2.99 ft (0.91 m) |
| Low Tide | 2:03 PM(Sat 02 May) | -0.89 ft (-0.27 m) |
| High Tide | 10:38 PM(Sat 02 May) | 3.2 ft (0.98 m) |
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Tide Times for Chichagof Harbor, Attu Island: Sunday 03 May 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| Low Tide | 2:47 AM(Sun 03 May) | 2.86 ft (0.87 m) |
| High Tide | 5:48 AM(Sun 03 May) | 3.02 ft (0.92 m) |
| Low Tide | 2:39 PM(Sun 03 May) | -0.97 ft (-0.3 m) |
| High Tide | 11:27 PM(Sun 03 May) | 3.28 ft (1.0 m) |
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Tide Times for Chichagof Harbor, Attu Island: Monday 04 May 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| Low Tide | 3:37 AM(Mon 04 May) | 2.98 ft (0.91 m) |
| High Tide | 6:05 AM(Mon 04 May) | 3.06 ft (0.93 m) |
| Low Tide | 3:15 PM(Mon 04 May) | -0.99 ft (-0.3 m) |
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Tide Times for Chichagof Harbor, Attu Island: Tuesday 05 May 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| High Tide | 00:14 AM(Tue 05 May) | 3.29 ft (1.0 m) |
| Low Tide | 4:15 AM(Tue 05 May) | 3.04 ft (0.93 m) |
| High Tide | 6:28 AM(Tue 05 May) | 3.1 ft (0.94 m) |
| Low Tide | 3:52 PM(Tue 05 May) | -0.95 ft (-0.29 m) |
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Tide Times for Chichagof Harbor, Attu Island: Wednesday 06 May 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| High Tide | 00:59 AM(Wed 06 May) | 3.25 ft (0.99 m) |
| Low Tide | 4:45 AM(Wed 06 May) | 3.06 ft (0.93 m) |
| High Tide | 6:59 AM(Wed 06 May) | 3.11 ft (0.95 m) |
| Low Tide | 4:29 PM(Wed 06 May) | -0.86 ft (-0.26 m) |
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Tide Times for Chichagof Harbor, Attu Island: Thursday 07 May 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| High Tide | 1:39 AM(Thu 07 May) | 3.18 ft (0.97 m) |
| Low Tide | 5:19 AM(Thu 07 May) | 3.02 ft (0.92 m) |
| High Tide | 7:36 AM(Thu 07 May) | 3.07 ft (0.94 m) |
| Low Tide | 5:06 PM(Thu 07 May) | -0.71 ft (-0.22 m) |
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Tide Times for Chichagof Harbor, Attu Island: Friday 08 May 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| High Tide | 2:10 AM(Fri 08 May) | 3.09 ft (0.94 m) |
| Low Tide | 6:07 AM(Fri 08 May) | 2.9 ft (0.88 m) |
| High Tide | 8:20 AM(Fri 08 May) | 2.94 ft (0.9 m) |
| Low Tide | 5:43 PM(Fri 08 May) | -0.48 ft (-0.15 m) |
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Tide Times for Chichagof Harbor, Attu Island: Saturday 09 May 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| High Tide | 2:28 AM(Sat 09 May) | 2.99 ft (0.91 m) |
| Low Tide | 7:08 AM(Sat 09 May) | 2.67 ft (0.81 m) |
| High Tide | 9:18 AM(Sat 09 May) | 2.71 ft (0.83 m) |
| Low Tide | 6:20 PM(Sat 09 May) | -0.15 ft (-0.05 m) |
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Tide Times for Chichagof Harbor, Attu Island: Sunday 10 May 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| High Tide | 2:38 AM(Sun 10 May) | 2.9 ft (0.88 m) |
| Low Tide | 8:08 AM(Sun 10 May) | 2.3 ft (0.7 m) |
| High Tide | 10:46 AM(Sun 10 May) | 2.39 ft (0.73 m) |
| Low Tide | 6:56 PM(Sun 10 May) | 0.28 ft (0.09 m) |
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Tide Times for Chichagof Harbor, Attu Island: Monday 11 May 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| High Tide | 2:42 AM(Mon 11 May) | 2.84 ft (0.87 m) |
| Low Tide | 8:58 AM(Mon 11 May) | 1.8 ft (0.55 m) |
| High Tide | 12:48 PM(Mon 11 May) | 2.06 ft (0.63 m) |
| Low Tide | 7:32 PM(Mon 11 May) | 0.81 ft (0.25 m) |
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Tide Times for Chichagof Harbor, Attu Island: Tuesday 12 May 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| High Tide | 2:44 AM(Tue 12 May) | 2.85 ft (0.87 m) |
| Low Tide | 9:41 AM(Tue 12 May) | 1.18 ft (0.36 m) |
| High Tide | 3:11 PM(Tue 12 May) | 1.94 ft (0.59 m) |
| Low Tide | 8:06 PM(Tue 12 May) | 1.4 ft (0.43 m) |
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Tide Times for Chichagof Harbor, Attu Island: Wednesday 13 May 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| High Tide | 2:48 AM(Wed 13 May) | 2.98 ft (0.91 m) |
| Low Tide | 10:24 AM(Wed 13 May) | 0.47 ft (0.14 m) |
| High Tide | 5:37 PM(Wed 13 May) | 2.14 ft (0.65 m) |
| Low Tide | 8:37 PM(Wed 13 May) | 2.01 ft (0.61 m) |
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Tide Times for Chichagof Harbor, Attu Island: Thursday 14 May 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| High Tide | 2:57 AM(Thu 14 May) | 3.21 ft (0.98 m) |
| Low Tide | 11:07 AM(Thu 14 May) | -0.25 ft (-0.08 m) |
| High Tide | 8:03 PM(Thu 14 May) | 2.57 ft (0.78 m) |
| Low Tide | 8:54 PM(Thu 14 May) | 2.57 ft (0.78 m) |
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Tide Times for Chichagof Harbor, Attu Island: Friday 15 May 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| High Tide | 3:15 AM(Fri 15 May) | 3.5 ft (1.07 m) |
| Low Tide | 11:53 AM(Fri 15 May) | -0.93 ft (-0.28 m) |
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Tide Times for Chichagof Harbor, Attu Island: Saturday 16 May 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| High Tide | 3:44 AM(Sat 16 May) | 3.8 ft (1.16 m) |
| Low Tide | 12:40 PM(Sat 16 May) | -1.48 ft (-0.45 m) |
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Tide Times for Chichagof Harbor, Attu Island: Sunday 17 May 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| High Tide | 4:24 AM(Sun 17 May) | 4.04 ft (1.23 m) |
| Low Tide | 1:29 PM(Sun 17 May) | -1.85 ft (-0.56 m) |
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Tide Times for Chichagof Harbor, Attu Island: Monday 18 May 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| High Tide | 5:15 AM(Mon 18 May) | 4.17 ft (1.27 m) |
| Low Tide | 2:18 PM(Mon 18 May) | -2.02 ft (-0.62 m) |
| High Tide | 11:46 PM(Mon 18 May) | 3.53 ft (1.08 m) |
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Tide Times for Chichagof Harbor, Attu Island: Tuesday 19 May 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| Low Tide | 1:13 AM(Tue 19 May) | 3.51 ft (1.07 m) |
| High Tide | 6:13 AM(Tue 19 May) | 4.16 ft (1.27 m) |
| Low Tide | 3:08 PM(Tue 19 May) | -1.98 ft (-0.6 m) |
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Tide Times for Chichagof Harbor, Attu Island: Wednesday 20 May 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| High Tide | 00:04 AM(Wed 20 May) | 3.48 ft (1.06 m) |
| Low Tide | 2:37 AM(Wed 20 May) | 3.36 ft (1.02 m) |
| High Tide | 7:15 AM(Wed 20 May) | 4.0 ft (1.22 m) |
| Low Tide | 3:58 PM(Wed 20 May) | -1.73 ft (-0.53 m) |
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Tide Times for Chichagof Harbor, Attu Island: Thursday 21 May 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| High Tide | 00:25 AM(Thu 21 May) | 3.4 ft (1.04 m) |
| Low Tide | 4:00 AM(Thu 21 May) | 3.07 ft (0.94 m) |
| High Tide | 8:22 AM(Thu 21 May) | 3.68 ft (1.12 m) |
| Low Tide | 4:46 PM(Thu 21 May) | -1.3 ft (-0.4 m) |
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Tide Times for Chichagof Harbor, Attu Island: Friday 22 May 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| High Tide | 00:48 AM(Fri 22 May) | 3.36 ft (1.02 m) |
| Low Tide | 5:23 AM(Fri 22 May) | 2.65 ft (0.81 m) |
| High Tide | 9:35 AM(Fri 22 May) | 3.23 ft (0.98 m) |
| Low Tide | 5:32 PM(Fri 22 May) | -0.73 ft (-0.22 m) |
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Tide Times for Chichagof Harbor, Attu Island: Saturday 23 May 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| High Tide | 1:12 AM(Sat 23 May) | 3.36 ft (1.02 m) |
| Low Tide | 6:45 AM(Sat 23 May) | 2.12 ft (0.65 m) |
| High Tide | 11:00 AM(Sat 23 May) | 2.72 ft (0.83 m) |
| Low Tide | 6:16 PM(Sat 23 May) | -0.08 ft (-0.02 m) |
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Tide Times for Chichagof Harbor, Attu Island: Sunday 24 May 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| High Tide | 1:37 AM(Sun 24 May) | 3.4 ft (1.04 m) |
| Low Tide | 8:02 AM(Sun 24 May) | 1.51 ft (0.46 m) |
| High Tide | 12:43 PM(Sun 24 May) | 2.27 ft (0.69 m) |
| Low Tide | 6:58 PM(Sun 24 May) | 0.62 ft (0.19 m) |
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Tide Times for Chichagof Harbor, Attu Island: Monday 25 May 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| High Tide | 2:03 AM(Mon 25 May) | 3.46 ft (1.05 m) |
| Low Tide | 9:08 AM(Mon 25 May) | 0.88 ft (0.27 m) |
| High Tide | 2:46 PM(Mon 25 May) | 2.05 ft (0.62 m) |
| Low Tide | 7:38 PM(Mon 25 May) | 1.31 ft (0.4 m) |
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Tide Times for Chichagof Harbor, Attu Island: Tuesday 26 May 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| High Tide | 2:27 AM(Tue 26 May) | 3.51 ft (1.07 m) |
| Low Tide | 10:05 AM(Tue 26 May) | 0.3 ft (0.09 m) |
| High Tide | 5:00 PM(Tue 26 May) | 2.16 ft (0.66 m) |
| Low Tide | 8:19 PM(Tue 26 May) | 1.95 ft (0.59 m) |
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Tide Times for Chichagof Harbor, Attu Island: Wednesday 27 May 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| High Tide | 2:51 AM(Wed 27 May) | 3.54 ft (1.08 m) |
| Low Tide | 10:55 AM(Wed 27 May) | -0.19 ft (-0.06 m) |
| High Tide | 7:13 PM(Wed 27 May) | 2.53 ft (0.77 m) |
| Low Tide | 9:02 PM(Wed 27 May) | 2.5 ft (0.76 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.
