Today's tide times for Usof Bay, Unalaska Island, Alaska
The predicted tide times today on Sunday 19 April 2026 for Usof Bay, Unalaska Island are: first high tide at 2:43am, first low tide at 10:46am, second high tide at 7:27pm, second low tide at 10:50pm. Sunrise is at 7:57am and sunset is at 10:16pm.
Today's tide times for Usof Bay, Unalaska Island: Sunday 19 April 2026
| Tide | Time (AKDT)& Date | Height |
|---|---|---|
| High Tide | 2:43 AM(Sun 19 April) | 5.52 ft (1.68 m) |
| Low Tide | 10:46 AM(Sun 19 April) | -1.46 ft (-0.44 m) |
| High Tide | 7:27 PM(Sun 19 April) | 5.17 ft (1.58 m) |
| Low Tide | 10:50 PM(Sun 19 April) | 3.56 ft (1.09 m) |
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Tide chart for Usof Bay, Unalaska IslandShowing low and high tide times for the next 30 days at Usof Bay, Unalaska Island. Tide Times are AKDT (UTC -8.0hrs).
View Usof Bay, Unalaska Island 7 Day Tide Chart Image.


HIGH (AKDT) |
LOW (AKDT) |
| Sun |
Moon Set Rise |
| Wind |
Sunday, 19 Apr | 20 Apr | 21 Apr | 22 Apr | 23 Apr | 24 Apr | 25 Apr | 26 Apr | 27 Apr | 28 Apr | 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 | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | ||
2:43AM1.68m | 7:27PM1.58m | 3:42AM1.73m 8:23PM1.67m | 4:50AM1.73m 9:11PM1.73m | 6:05AM1.70m 9:55PM1.73m | 7:21AM1.62m 10:35PM1.71m | 8:37AM1.51m 11:13PM1.67m | 9:54AM1.37m 11:48PM1.62m | 11:16AM1.23m | 00:19AM1.55m 12:43PM1.13m | 00:45AM1.47m 2:16PM1.12m | 1:06AM1.40m 3:53PM1.19m | 1:19AM1.34m 5:23PM1.32m | 1:24AM1.31m 6:35PM1.46m | 1:11AM1.31m 7:27PM1.57m | 8:09PM1.65m | 8:45PM1.69m | 9:20PM1.69m | 9:51PM1.67m | 10:20PM1.62m | 6:06AM1.22m 10:42PM1.55m | 7:19AM1.14m 10:55PM1.47m | 8:34AM1.06m 11:02PM1.41m | 9:53AM0.99m 11:05PM1.41m | 11:20AM0.96m 11:11PM1.46m | 12:54PM1.00m 11:25PM1.57m | 2:34PM1.11m 11:49PM1.69m | 4:13PM1.28m | 00:23AM1.81m 5:36PM1.45m | 1:09AM1.88m 6:33PM1.60m | ||
10:46AM-0.44m | 10:50PM1.09m | 11:47AM-0.51m | 00:12AM1.10m 12:48PM-0.52m | 1:27AM1.04m 1:47PM-0.49m | 2:35AM0.93m 2:44PM-0.41m | 3:40AM0.79m 3:38PM-0.28m | 4:42AM0.61m 4:28PM-0.11m | 5:42AM0.43m 5:17PM0.10m | 6:38AM0.25m 6:05PM0.32m | 7:30AM0.10m 6:55PM0.54m | 8:16AM-0.02m 7:52PM0.74m | 8:59AM-0.11m 9:08PM0.90m | 9:38AM-0.15m 10:58PM1.00m | 10:17AM-0.17m | 10:57AM-0.18m | 11:39AM-0.18m | 12:22PM-0.17m | 1:05PM-0.16m | 1:45PM-0.14m | 3:58AM0.92m 2:22PM-0.10m | 4:14AM0.83m 2:55PM-0.03m | 4:34AM0.69m 3:25PM0.08m | 4:58AM0.52m 3:53PM0.22m | 5:28AM0.31m 4:20PM0.39m | 6:05AM0.08m 4:49PM0.58m | 6:48AM-0.14m 5:23PM0.78m | 7:37AM-0.34m 6:09PM0.95m | 8:30AM-0.50m 7:19PM1.09m | 9:27AM-0.60m 8:54PM1.18m | ||
7:57AM | 10:16PM | 7:55AM 10:17PM | 7:52AM 10:19PM | 7:50AM 10:21PM | 7:48AM 10:23PM | 7:46AM 10:25PM | 7:44AM 10:26PM | 7:42AM 10:28PM | 7:39AM 10:30PM | 7:37AM 10:32PM | 7:35AM 10:34PM | 7:33AM 10:36PM | 7:31AM 10:37PM | 7:29AM 10:39PM | 7:27AM 10:41PM | 7:25AM 10:43PM | 7:23AM 10:45PM | 7:21AM 10:46PM | 7:19AM 10:48PM | 7:18AM 10:50PM | 7:16AM 10:52PM | 7:14AM 10:53PM | 7:12AM 10:55PM | 7:11AM 10:57PM | 7:09AM 10:58PM | 7:07AM 11:00PM | 7:06AM 11:02PM | 7:04AM 11:03PM | 7:02AM 11:05PM | ||
0.1% - (Waxing Crescent) 1:11AM | 0.11% - (Waxing Crescent) 8:27AM | 0.14% - (Waxing Crescent) 2:43AM 9:07AM | 0.18% - (Waxing Crescent) 3:59AM 10:07AM | 0.21% - (Waxing Crescent) 4:51AM 11:26AM | 0.25% - (First Quarter) 5:25AM 12:55PM | 0.29% - (Waxing Gibbous) 5:46AM 2:24PM | 0.32% - (Waxing Gibbous) 6:01AM 3:49PM | 0.36% - (Waxing Gibbous) 6:12AM 5:10PM | 0.39% - (Waxing Gibbous) 6:21AM 6:29PM | 0.43% - (Waxing Gibbous) 6:30AM 7:45PM | 0.46% - (Waxing Gibbous) 6:38AM 9:02PM | 0.5% - (Full Moon) 6:48AM 10:19PM | 0.54% - (Waning Gibbous) 7:01AM 11:37PM | 0.55% - (Waning Gibbous) 7:18AM | 0.57% - (Waning Gibbous) 7:41AM 00:53AM | 0.61% - (Waning Gibbous) 8:15AM 2:02AM | 0.64% - (Waning Gibbous) 9:02AM 3:01AM | 0.68% - (Waning Gibbous) 10:04AM 3:45AM | 0.71% - (Waning Gibbous) 11:15AM 4:17AM | 0.75% - (Last Quarter) 12:33PM 4:39AM | 0.78% - (Waning Crescent) 1:52PM 4:55AM | 0.81% - (Waning Crescent) 3:12PM 5:07AM | 0.85% - (Waning Crescent) 4:33PM 5:17AM | 0.88% - (Waning Crescent) 5:56PM 5:27AM | 0.92% - (Waning Crescent) 7:23PM 5:37AM | 0.95% - (Waning Crescent) 8:55PM 5:48AM | 0.98% - (New Moon) 10:33PM 6:03AM | 0.0% - (New Moon) 6:25AM | 0.04% - (Waxing Crescent) 00:10AM 6:58AM | ||

Usof Bay, Unalaska Island tide chart key:
The tide chart above shows the height and times of high tide and low tide for Usof Bay, Unalaska Island, Alaska. The red flashing dot shows the tide time right now. The grey shading corresponds to nighttime hours between sunset and sunrise at Usof Bay, Unalaska Island.
Tide Times are AKDT (UTC -8.0hrs). Last Spring High Tide at Usof Bay, Unalaska Island was on Tue 07 Apr (height: 1.66m 5.4ft). Next high Spring Tide at Usof Bay, Unalaska Island will be on Sun 19 Apr (height: 1.73m 5.7ft).
Usof Bay, Unalaska Island tide chart key: The tide chart above shows the height and times of high tide and low tide for Usof Bay, Unalaska Island, Alaska. The grey shading corresponds to nighttime hours between sunset and sunrise at Usof Bay, Unalaska Island.
Tide Times are AKDT (UTC -8.0hrs). Last Spring High Tide at Usof Bay, Unalaska Island was on Tue 07 Apr (height: 1.66m 5.4ft). Next high Spring Tide at Usof Bay, Unalaska Island will be on Sun 19 Apr (height: 1.73m 5.7ft).
Usof Bay, Unalaska Island tide times for April and May
April and May Tide charts for Usof Bay, Unalaska Island: The tide charts below show the height, time and date of high and low tides for the next 30 days.
Tide Times for Usof Bay, Unalaska Island (tomorrow): Monday 20 April 2026
| Tide | Time (AKDT)& Date | Height |
|---|---|---|
| High Tide | 3:42 AM(Mon 20 April) | 5.67 ft (1.73 m) |
| Low Tide | 11:47 AM(Mon 20 April) | -1.67 ft (-0.51 m) |
| High Tide | 8:23 PM(Mon 20 April) | 5.49 ft (1.67 m) |
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Tide Times for Usof Bay, Unalaska Island: Tuesday 21 April 2026
| Tide | Time (AKDT)& Date | Height |
|---|---|---|
| Low Tide | 00:12 AM(Tue 21 April) | 3.6 ft (1.1 m) |
| High Tide | 4:50 AM(Tue 21 April) | 5.69 ft (1.73 m) |
| Low Tide | 12:48 PM(Tue 21 April) | -1.72 ft (-0.52 m) |
| High Tide | 9:11 PM(Tue 21 April) | 5.66 ft (1.73 m) |
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Tide Times for Usof Bay, Unalaska Island: Wednesday 22 April 2026
| Tide | Time (AKDT)& Date | Height |
|---|---|---|
| Low Tide | 1:27 AM(Wed 22 April) | 3.42 ft (1.04 m) |
| High Tide | 6:05 AM(Wed 22 April) | 5.57 ft (1.7 m) |
| Low Tide | 1:47 PM(Wed 22 April) | -1.61 ft (-0.49 m) |
| High Tide | 9:55 PM(Wed 22 April) | 5.69 ft (1.73 m) |
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Tide Times for Usof Bay, Unalaska Island: Thursday 23 April 2026
| Tide | Time (AKDT)& Date | Height |
|---|---|---|
| Low Tide | 2:35 AM(Thu 23 April) | 3.06 ft (0.93 m) |
| High Tide | 7:21 AM(Thu 23 April) | 5.33 ft (1.62 m) |
| Low Tide | 2:44 PM(Thu 23 April) | -1.34 ft (-0.41 m) |
| High Tide | 10:35 PM(Thu 23 April) | 5.62 ft (1.71 m) |
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Tide Times for Usof Bay, Unalaska Island: Friday 24 April 2026
| Tide | Time (AKDT)& Date | Height |
|---|---|---|
| Low Tide | 3:40 AM(Fri 24 April) | 2.58 ft (0.79 m) |
| High Tide | 8:37 AM(Fri 24 April) | 4.96 ft (1.51 m) |
| Low Tide | 3:38 PM(Fri 24 April) | -0.91 ft (-0.28 m) |
| High Tide | 11:13 PM(Fri 24 April) | 5.49 ft (1.67 m) |
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Tide Times for Usof Bay, Unalaska Island: Saturday 25 April 2026
| Tide | Time (AKDT)& Date | Height |
|---|---|---|
| Low Tide | 4:42 AM(Sat 25 April) | 2.01 ft (0.61 m) |
| High Tide | 9:54 AM(Sat 25 April) | 4.5 ft (1.37 m) |
| Low Tide | 4:28 PM(Sat 25 April) | -0.35 ft (-0.11 m) |
| High Tide | 11:48 PM(Sat 25 April) | 5.3 ft (1.62 m) |
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Tide Times for Usof Bay, Unalaska Island: Sunday 26 April 2026
| Tide | Time (AKDT)& Date | Height |
|---|---|---|
| Low Tide | 5:42 AM(Sun 26 April) | 1.41 ft (0.43 m) |
| High Tide | 11:16 AM(Sun 26 April) | 4.04 ft (1.23 m) |
| Low Tide | 5:17 PM(Sun 26 April) | 0.32 ft (0.1 m) |
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Tide Times for Usof Bay, Unalaska Island: Monday 27 April 2026
| Tide | Time (AKDT)& Date | Height |
|---|---|---|
| High Tide | 00:19 AM(Mon 27 April) | 5.08 ft (1.55 m) |
| Low Tide | 6:38 AM(Mon 27 April) | 0.82 ft (0.25 m) |
| High Tide | 12:43 PM(Mon 27 April) | 3.72 ft (1.13 m) |
| Low Tide | 6:05 PM(Mon 27 April) | 1.05 ft (0.32 m) |
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Tide Times for Usof Bay, Unalaska Island: Tuesday 28 April 2026
| Tide | Time (AKDT)& Date | Height |
|---|---|---|
| High Tide | 00:45 AM(Tue 28 April) | 4.83 ft (1.47 m) |
| Low Tide | 7:30 AM(Tue 28 April) | 0.32 ft (0.1 m) |
| High Tide | 2:16 PM(Tue 28 April) | 3.66 ft (1.12 m) |
| Low Tide | 6:55 PM(Tue 28 April) | 1.77 ft (0.54 m) |
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Tide Times for Usof Bay, Unalaska Island: Wednesday 29 April 2026
| Tide | Time (AKDT)& Date | Height |
|---|---|---|
| High Tide | 1:06 AM(Wed 29 April) | 4.59 ft (1.4 m) |
| Low Tide | 8:16 AM(Wed 29 April) | -0.08 ft (-0.02 m) |
| High Tide | 3:53 PM(Wed 29 April) | 3.89 ft (1.19 m) |
| Low Tide | 7:52 PM(Wed 29 April) | 2.42 ft (0.74 m) |
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Tide Times for Usof Bay, Unalaska Island: Thursday 30 April 2026
| Tide | Time (AKDT)& Date | Height |
|---|---|---|
| High Tide | 1:19 AM(Thu 30 April) | 4.4 ft (1.34 m) |
| Low Tide | 8:59 AM(Thu 30 April) | -0.35 ft (-0.11 m) |
| High Tide | 5:23 PM(Thu 30 April) | 4.32 ft (1.32 m) |
| Low Tide | 9:08 PM(Thu 30 April) | 2.94 ft (0.9 m) |
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Tide Times for Usof Bay, Unalaska Island: Friday 01 May 2026
| Tide | Time (AKDT)& Date | Height |
|---|---|---|
| High Tide | 1:24 AM(Fri 01 May) | 4.3 ft (1.31 m) |
| Low Tide | 9:38 AM(Fri 01 May) | -0.5 ft (-0.15 m) |
| High Tide | 6:35 PM(Fri 01 May) | 4.78 ft (1.46 m) |
| Low Tide | 10:58 PM(Fri 01 May) | 3.27 ft (1.0 m) |
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Tide Times for Usof Bay, Unalaska Island: Saturday 02 May 2026
| Tide | Time (AKDT)& Date | Height |
|---|---|---|
| High Tide | 1:11 AM(Sat 02 May) | 4.3 ft (1.31 m) |
| Low Tide | 10:17 AM(Sat 02 May) | -0.57 ft (-0.17 m) |
| High Tide | 7:27 PM(Sat 02 May) | 5.16 ft (1.57 m) |
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Tide Times for Usof Bay, Unalaska Island: Sunday 03 May 2026
| Tide | Time (AKDT)& Date | Height |
|---|---|---|
| Low Tide | 10:57 AM(Sun 03 May) | -0.58 ft (-0.18 m) |
| High Tide | 8:09 PM(Sun 03 May) | 5.41 ft (1.65 m) |
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Tide Times for Usof Bay, Unalaska Island: Monday 04 May 2026
| Tide | Time (AKDT)& Date | Height |
|---|---|---|
| Low Tide | 11:39 AM(Mon 04 May) | -0.58 ft (-0.18 m) |
| High Tide | 8:45 PM(Mon 04 May) | 5.54 ft (1.69 m) |
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Tide Times for Usof Bay, Unalaska Island: Tuesday 05 May 2026
| Tide | Time (AKDT)& Date | Height |
|---|---|---|
| Low Tide | 12:22 PM(Tue 05 May) | -0.56 ft (-0.17 m) |
| High Tide | 9:20 PM(Tue 05 May) | 5.56 ft (1.69 m) |
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Tide Times for Usof Bay, Unalaska Island: Wednesday 06 May 2026
| Tide | Time (AKDT)& Date | Height |
|---|---|---|
| Low Tide | 1:05 PM(Wed 06 May) | -0.53 ft (-0.16 m) |
| High Tide | 9:51 PM(Wed 06 May) | 5.48 ft (1.67 m) |
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Tide Times for Usof Bay, Unalaska Island: Thursday 07 May 2026
| Tide | Time (AKDT)& Date | Height |
|---|---|---|
| Low Tide | 1:45 PM(Thu 07 May) | -0.47 ft (-0.14 m) |
| High Tide | 10:20 PM(Thu 07 May) | 5.31 ft (1.62 m) |
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Tide Times for Usof Bay, Unalaska Island: Friday 08 May 2026
| Tide | Time (AKDT)& Date | Height |
|---|---|---|
| Low Tide | 3:58 AM(Fri 08 May) | 3.01 ft (0.92 m) |
| High Tide | 6:06 AM(Fri 08 May) | 3.99 ft (1.22 m) |
| Low Tide | 2:22 PM(Fri 08 May) | -0.34 ft (-0.1 m) |
| High Tide | 10:42 PM(Fri 08 May) | 5.08 ft (1.55 m) |
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Tide Times for Usof Bay, Unalaska Island: Saturday 09 May 2026
| Tide | Time (AKDT)& Date | Height |
|---|---|---|
| Low Tide | 4:14 AM(Sat 09 May) | 2.71 ft (0.83 m) |
| High Tide | 7:19 AM(Sat 09 May) | 3.75 ft (1.14 m) |
| Low Tide | 2:55 PM(Sat 09 May) | -0.1 ft (-0.03 m) |
| High Tide | 10:55 PM(Sat 09 May) | 4.83 ft (1.47 m) |
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Tide Times for Usof Bay, Unalaska Island: Sunday 10 May 2026
| Tide | Time (AKDT)& Date | Height |
|---|---|---|
| Low Tide | 4:34 AM(Sun 10 May) | 2.28 ft (0.69 m) |
| High Tide | 8:34 AM(Sun 10 May) | 3.48 ft (1.06 m) |
| Low Tide | 3:25 PM(Sun 10 May) | 0.25 ft (0.08 m) |
| High Tide | 11:02 PM(Sun 10 May) | 4.64 ft (1.41 m) |
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Tide Times for Usof Bay, Unalaska Island: Monday 11 May 2026
| Tide | Time (AKDT)& Date | Height |
|---|---|---|
| Low Tide | 4:58 AM(Mon 11 May) | 1.71 ft (0.52 m) |
| High Tide | 9:53 AM(Mon 11 May) | 3.25 ft (0.99 m) |
| Low Tide | 3:53 PM(Mon 11 May) | 0.72 ft (0.22 m) |
| High Tide | 11:05 PM(Mon 11 May) | 4.61 ft (1.41 m) |
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Tide Times for Usof Bay, Unalaska Island: Tuesday 12 May 2026
| Tide | Time (AKDT)& Date | Height |
|---|---|---|
| Low Tide | 5:28 AM(Tue 12 May) | 1.02 ft (0.31 m) |
| High Tide | 11:20 AM(Tue 12 May) | 3.15 ft (0.96 m) |
| Low Tide | 4:20 PM(Tue 12 May) | 1.29 ft (0.39 m) |
| High Tide | 11:11 PM(Tue 12 May) | 4.79 ft (1.46 m) |
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Tide Times for Usof Bay, Unalaska Island: Wednesday 13 May 2026
| Tide | Time (AKDT)& Date | Height |
|---|---|---|
| Low Tide | 6:05 AM(Wed 13 May) | 0.27 ft (0.08 m) |
| High Tide | 12:54 PM(Wed 13 May) | 3.27 ft (1.0 m) |
| Low Tide | 4:49 PM(Wed 13 May) | 1.91 ft (0.58 m) |
| High Tide | 11:25 PM(Wed 13 May) | 5.14 ft (1.57 m) |
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Tide Times for Usof Bay, Unalaska Island: Thursday 14 May 2026
| Tide | Time (AKDT)& Date | Height |
|---|---|---|
| Low Tide | 6:48 AM(Thu 14 May) | -0.47 ft (-0.14 m) |
| High Tide | 2:34 PM(Thu 14 May) | 3.64 ft (1.11 m) |
| Low Tide | 5:23 PM(Thu 14 May) | 2.55 ft (0.78 m) |
| High Tide | 11:49 PM(Thu 14 May) | 5.56 ft (1.69 m) |
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Tide Times for Usof Bay, Unalaska Island: Friday 15 May 2026
| Tide | Time (AKDT)& Date | Height |
|---|---|---|
| Low Tide | 7:37 AM(Fri 15 May) | -1.13 ft (-0.34 m) |
| High Tide | 4:13 PM(Fri 15 May) | 4.19 ft (1.28 m) |
| Low Tide | 6:09 PM(Fri 15 May) | 3.13 ft (0.95 m) |
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Tide Times for Usof Bay, Unalaska Island: Saturday 16 May 2026
| Tide | Time (AKDT)& Date | Height |
|---|---|---|
| High Tide | 00:23 AM(Sat 16 May) | 5.93 ft (1.81 m) |
| Low Tide | 8:30 AM(Sat 16 May) | -1.64 ft (-0.5 m) |
| High Tide | 5:36 PM(Sat 16 May) | 4.77 ft (1.45 m) |
| Low Tide | 7:19 PM(Sat 16 May) | 3.59 ft (1.09 m) |
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Tide Times for Usof Bay, Unalaska Island: Sunday 17 May 2026
| Tide | Time (AKDT)& Date | Height |
|---|---|---|
| High Tide | 1:09 AM(Sun 17 May) | 6.17 ft (1.88 m) |
| Low Tide | 9:27 AM(Sun 17 May) | -1.97 ft (-0.6 m) |
| High Tide | 6:33 PM(Sun 17 May) | 5.24 ft (1.6 m) |
| Low Tide | 8:54 PM(Sun 17 May) | 3.87 ft (1.18 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.
