Today's tide times for Alcan Harbor, Shemya Island, Alaska
The predicted tide times today on Sunday 16 August 2026 for Alcan Harbor, Shemya Island are: first low tide at 3:31am, first high tide at 9:31am, second low tide at 3:17pm, second high tide at 9:38pm. Sunrise is at 8:08am and sunset is at 10:46pm.
Today's tide times for Alcan Harbor, Shemya Island: Sunday 16 August 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| Low Tide | 3:31 AM(Sun 16 August) | 0.87 ft (0.27 m) |
| High Tide | 9:31 AM(Sun 16 August) | 2.62 ft (0.8 m) |
| Low Tide | 3:17 PM(Sun 16 August) | 0.97 ft (0.3 m) |
| High Tide | 9:38 PM(Sun 16 August) | 3.17 ft (0.97 m) |
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Tide chart for Alcan Harbor, Shemya IslandShowing low and high tide times for the next 30 days at Alcan Harbor, Shemya Island. Tide Times are HDT (UTC -9.0hrs).
View Alcan Harbor, Shemya Island 7 Day Tide Chart Image.


HIGH (HDT) |
LOW (HDT) |
| Sun |
Moon Set Rise |
| Wind |
Sunday, 16 Aug | 17 Aug | 18 Aug | 19 Aug | 20 Aug | 21 Aug | 22 Aug | 23 Aug | 24 Aug | 25 Aug | 26 Aug | 27 Aug | 28 Aug | 29 Aug | 30 Aug | 31 Aug | 1 Sep | 2 Sep | 3 Sep | 4 Sep | 5 Sep | 6 Sep | 7 Sep | 8 Sep | 9 Sep | 10 Sep | 11 Sep | 12 Sep | 13 Sep | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | ||
9:31AM0.80m | 9:38PM0.97m | 10:50AM0.77m 10:01PM0.99m | 12:08PM0.75m 10:25PM1.01m | 1:30PM0.74m 10:50PM1.02m | 3:09PM0.74m 11:17PM1.02m | 11:47PM1.02m | 00:22AM1.02m | 1:01AM1.00m | 1:50AM0.97m | 2:53AM0.91m 8:49PM0.81m | 4:11AM0.86m 8:38PM0.79m | 5:36AM0.80m 8:33PM0.78m | 6:58AM0.77m 8:31PM0.79m | 8:17AM0.75m 8:31PM0.81m | 9:32AM0.75m 8:36PM0.87m | 10:47AM0.76m 8:49PM0.95m | 12:05PM0.76m 9:11PM1.04m | 1:35PM0.76m 9:43PM1.11m | 10:25PM1.16m | 11:15PM1.17m | 00:15AM1.14m | 1:28AM1.06m 6:31PM0.75m | 2:57AM0.97m 6:37PM0.76m | 4:37AM0.88m 6:54PM0.78m | 6:14AM0.84m 7:14PM0.81m | 7:42AM0.82m 7:37PM0.85m | 8:59AM0.83m 8:00PM0.87m | ||||
3:31AM0.27m | 3:17PM0.30m | 4:23AM0.12m 3:54PM0.44m | 5:11AM0.02m 4:27PM0.56m | 5:59AM-0.05m 4:55PM0.66m | 6:49AM-0.09m 5:07PM0.73m | 7:40AM-0.11m | 8:35AM-0.11m | 9:30AM-0.11m | 10:24AM-0.10m | 11:13AM-0.09m | 11:58AM-0.05m 11:55PM0.77m | 12:37PM0.00m | 1:00AM0.67m 1:13PM0.09m | 1:45AM0.53m 1:46PM0.20m | 2:24AM0.38m 2:17PM0.32m | 3:02AM0.21m 2:44PM0.45m | 3:42AM0.05m 3:07PM0.58m | 4:25AM-0.09m 3:23PM0.68m | 5:13AM-0.20m 3:27PM0.74m | 6:05AM-0.27m | 7:02AM-0.30m | 8:02AM-0.28m | 9:04AM-0.24m | 10:05AM-0.16m 9:12PM0.71m | 11:03AM-0.06m 11:04PM0.58m | 11:57AM0.06m | 00:22AM0.41m 12:48PM0.19m | 1:22AM0.24m 1:36PM0.32m | 2:13AM0.09m 2:22PM0.45m | ||
8:08AM | 10:46PM | 8:09AM 10:44PM | 8:11AM 10:42PM | 8:13AM 10:40PM | 8:14AM 10:37PM | 8:16AM 10:35PM | 8:18AM 10:33PM | 8:19AM 10:31PM | 8:21AM 10:29PM | 8:23AM 10:26PM | 8:24AM 10:24PM | 8:26AM 10:22PM | 8:28AM 10:20PM | 8:29AM 10:17PM | 8:31AM 10:15PM | 8:33AM 10:13PM | 8:34AM 10:11PM | 8:36AM 10:08PM | 8:38AM 10:06PM | 8:39AM 10:04PM | 8:41AM 10:01PM | 8:43AM 9:59PM | 8:45AM 9:57PM | 8:46AM 9:54PM | 8:48AM 9:52PM | 8:50AM 9:49PM | 8:51AM 9:47PM | 8:53AM 9:45PM | 8:55AM 9:42PM | ||
0.15% - (Waxing Crescent) 1:39PM | 0.16% - (Waxing Crescent) 11:48PM | 0.19% - (Waxing Crescent) 2:58PM | 0.22% - (First Quarter) 00:02AM 4:16PM | 0.26% - (First Quarter) 00:19AM 5:32PM | 0.29% - (Waxing Gibbous) 00:42AM 6:43PM | 0.33% - (Waxing Gibbous) 1:14AM 7:44PM | 0.36% - (Waxing Gibbous) 1:59AM 8:32PM | 0.4% - (Waxing Gibbous) 2:57AM 9:07PM | 0.43% - (Waxing Gibbous) 4:06AM 9:32PM | 0.47% - (Waxing Gibbous) 5:22AM 9:50PM | 0.5% - (Full Moon) 6:40AM 10:04PM | 0.54% - (Waning Gibbous) 7:58AM 10:16PM | 0.57% - (Waning Gibbous) 9:17AM 10:26PM | 0.6% - (Waning Gibbous) 10:36AM 10:36PM | 0.64% - (Waning Gibbous) 11:56AM 10:47PM | 0.67% - (Waning Gibbous) 1:19PM 11:00PM | 0.71% - (Waning Gibbous) 2:46PM 11:18PM | 0.74% - (Last Quarter) 4:15PM 11:43PM | 0.77% - (Last Quarter) 5:40PM | 0.78% - (Last Quarter) 6:54PM 00:21AM | 0.81% - (Waning Crescent) 7:49PM 1:17AM | 0.85% - (Waning Crescent) 8:27PM 2:33AM | 0.88% - (Waning Crescent) 8:52PM 4:02AM | 0.92% - (Waning Crescent) 9:09PM 5:33AM | 0.95% - (Waning Crescent) 9:23PM 7:03AM | 0.01% - (New Moon) 9:34PM 8:29AM | 0.04% - (Waxing Crescent) 9:44PM 9:53AM | 0.08% - (Waxing Crescent) 9:55PM 11:14AM | 0.12% - (Waxing Crescent) 10:08PM 12:34PM | ||

Alcan Harbor, Shemya Island tide chart key:
The tide chart above shows the height and times of high tide and low tide for Alcan Harbor, Shemya Island, Alaska. The red flashing dot shows the tide time right now. The grey shading corresponds to nighttime hours between sunset and sunrise at Alcan Harbor, Shemya Island.
Tide Times are HDT (UTC -9.0hrs). Last Spring High Tide at Alcan Harbor, Shemya Island was on Sat 08 Aug (height: 1.30m 4.3ft). Next high Spring Tide at Alcan Harbor, Shemya Island will be on Thu 20 Aug (height: 1.02m 3.3ft).
Alcan Harbor, Shemya Island tide chart key: The tide chart above shows the height and times of high tide and low tide for Alcan Harbor, Shemya Island, Alaska. The grey shading corresponds to nighttime hours between sunset and sunrise at Alcan Harbor, Shemya Island.
Tide Times are HDT (UTC -9.0hrs). Last Spring High Tide at Alcan Harbor, Shemya Island was on Sat 08 Aug (height: 1.30m 4.3ft). Next high Spring Tide at Alcan Harbor, Shemya Island will be on Thu 20 Aug (height: 1.02m 3.3ft).
Alcan Harbor, Shemya Island tide times for August and September
August and September Tide charts for Alcan Harbor, Shemya Island: The tide charts below show the height, time and date of high and low tides for the next 30 days.
Tide Times for Alcan Harbor, Shemya Island (tomorrow): Monday 17 August 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| Low Tide | 4:23 AM(Mon 17 August) | 0.4 ft (0.12 m) |
| High Tide | 10:50 AM(Mon 17 August) | 2.52 ft (0.77 m) |
| Low Tide | 3:54 PM(Mon 17 August) | 1.44 ft (0.44 m) |
| High Tide | 10:01 PM(Mon 17 August) | 3.25 ft (0.99 m) |
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Tide Times for Alcan Harbor, Shemya Island: Tuesday 18 August 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| Low Tide | 5:11 AM(Tue 18 August) | 0.05 ft (0.02 m) |
| High Tide | 12:08 PM(Tue 18 August) | 2.46 ft (0.75 m) |
| Low Tide | 4:27 PM(Tue 18 August) | 1.84 ft (0.56 m) |
| High Tide | 10:25 PM(Tue 18 August) | 3.3 ft (1.01 m) |
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Tide Times for Alcan Harbor, Shemya Island: Wednesday 19 August 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| Low Tide | 5:59 AM(Wed 19 August) | -0.17 ft (-0.05 m) |
| High Tide | 1:30 PM(Wed 19 August) | 2.43 ft (0.74 m) |
| Low Tide | 4:55 PM(Wed 19 August) | 2.16 ft (0.66 m) |
| High Tide | 10:50 PM(Wed 19 August) | 3.33 ft (1.02 m) |
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Tide Times for Alcan Harbor, Shemya Island: Thursday 20 August 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| Low Tide | 6:49 AM(Thu 20 August) | -0.3 ft (-0.09 m) |
| High Tide | 3:09 PM(Thu 20 August) | 2.43 ft (0.74 m) |
| Low Tide | 5:07 PM(Thu 20 August) | 2.39 ft (0.73 m) |
| High Tide | 11:17 PM(Thu 20 August) | 3.35 ft (1.02 m) |
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Tide Times for Alcan Harbor, Shemya Island: Friday 21 August 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| Low Tide | 7:40 AM(Fri 21 August) | -0.35 ft (-0.11 m) |
| High Tide | 11:47 PM(Fri 21 August) | 3.36 ft (1.02 m) |
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Tide Times for Alcan Harbor, Shemya Island: Saturday 22 August 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| Low Tide | 8:35 AM(Sat 22 August) | -0.36 ft (-0.11 m) |
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Tide Times for Alcan Harbor, Shemya Island: Sunday 23 August 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| High Tide | 00:22 AM(Sun 23 August) | 3.34 ft (1.02 m) |
| Low Tide | 9:30 AM(Sun 23 August) | -0.35 ft (-0.11 m) |
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Tide Times for Alcan Harbor, Shemya Island: Monday 24 August 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| High Tide | 1:01 AM(Mon 24 August) | 3.28 ft (1.0 m) |
| Low Tide | 10:24 AM(Mon 24 August) | -0.33 ft (-0.1 m) |
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Tide Times for Alcan Harbor, Shemya Island: Tuesday 25 August 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| High Tide | 1:50 AM(Tue 25 August) | 3.17 ft (0.97 m) |
| Low Tide | 11:13 AM(Tue 25 August) | -0.28 ft (-0.09 m) |
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Tide Times for Alcan Harbor, Shemya Island: Wednesday 26 August 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| High Tide | 2:53 AM(Wed 26 August) | 3.0 ft (0.91 m) |
| Low Tide | 11:58 AM(Wed 26 August) | -0.18 ft (-0.05 m) |
| High Tide | 8:49 PM(Wed 26 August) | 2.66 ft (0.81 m) |
| Low Tide | 11:55 PM(Wed 26 August) | 2.54 ft (0.77 m) |
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Tide Times for Alcan Harbor, Shemya Island: Thursday 27 August 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| High Tide | 4:11 AM(Thu 27 August) | 2.81 ft (0.86 m) |
| Low Tide | 12:37 PM(Thu 27 August) | 0.01 ft (0.0 m) |
| High Tide | 8:38 PM(Thu 27 August) | 2.6 ft (0.79 m) |
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Tide Times for Alcan Harbor, Shemya Island: Friday 28 August 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| Low Tide | 1:00 AM(Fri 28 August) | 2.2 ft (0.67 m) |
| High Tide | 5:36 AM(Fri 28 August) | 2.63 ft (0.8 m) |
| Low Tide | 1:13 PM(Fri 28 August) | 0.28 ft (0.09 m) |
| High Tide | 8:33 PM(Fri 28 August) | 2.57 ft (0.78 m) |
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Tide Times for Alcan Harbor, Shemya Island: Saturday 29 August 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| Low Tide | 1:45 AM(Sat 29 August) | 1.75 ft (0.53 m) |
| High Tide | 6:58 AM(Sat 29 August) | 2.51 ft (0.77 m) |
| Low Tide | 1:46 PM(Sat 29 August) | 0.64 ft (0.2 m) |
| High Tide | 8:31 PM(Sat 29 August) | 2.58 ft (0.79 m) |
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Tide Times for Alcan Harbor, Shemya Island: Sunday 30 August 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| Low Tide | 2:24 AM(Sun 30 August) | 1.24 ft (0.38 m) |
| High Tide | 8:17 AM(Sun 30 August) | 2.46 ft (0.75 m) |
| Low Tide | 2:17 PM(Sun 30 August) | 1.06 ft (0.32 m) |
| High Tide | 8:31 PM(Sun 30 August) | 2.67 ft (0.81 m) |
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Tide Times for Alcan Harbor, Shemya Island: Monday 31 August 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| Low Tide | 3:02 AM(Mon 31 August) | 0.69 ft (0.21 m) |
| High Tide | 9:32 AM(Mon 31 August) | 2.46 ft (0.75 m) |
| Low Tide | 2:44 PM(Mon 31 August) | 1.49 ft (0.45 m) |
| High Tide | 8:36 PM(Mon 31 August) | 2.86 ft (0.87 m) |
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Tide Times for Alcan Harbor, Shemya Island: Tuesday 01 September 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| Low Tide | 3:42 AM(Tue 01 September) | 0.16 ft (0.05 m) |
| High Tide | 10:47 AM(Tue 01 September) | 2.48 ft (0.76 m) |
| Low Tide | 3:07 PM(Tue 01 September) | 1.9 ft (0.58 m) |
| High Tide | 8:49 PM(Tue 01 September) | 3.11 ft (0.95 m) |
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Tide Times for Alcan Harbor, Shemya Island: Wednesday 02 September 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| Low Tide | 4:25 AM(Wed 02 September) | -0.3 ft (-0.09 m) |
| High Tide | 12:05 PM(Wed 02 September) | 2.49 ft (0.76 m) |
| Low Tide | 3:23 PM(Wed 02 September) | 2.23 ft (0.68 m) |
| High Tide | 9:11 PM(Wed 02 September) | 3.4 ft (1.04 m) |
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Tide Times for Alcan Harbor, Shemya Island: Thursday 03 September 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| Low Tide | 5:13 AM(Thu 03 September) | -0.66 ft (-0.2 m) |
| High Tide | 1:35 PM(Thu 03 September) | 2.49 ft (0.76 m) |
| Low Tide | 3:27 PM(Thu 03 September) | 2.44 ft (0.74 m) |
| High Tide | 9:43 PM(Thu 03 September) | 3.65 ft (1.11 m) |
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Tide Times for Alcan Harbor, Shemya Island: Friday 04 September 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| Low Tide | 6:05 AM(Fri 04 September) | -0.88 ft (-0.27 m) |
| High Tide | 10:25 PM(Fri 04 September) | 3.81 ft (1.16 m) |
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Tide Times for Alcan Harbor, Shemya Island: Saturday 05 September 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| Low Tide | 7:02 AM(Sat 05 September) | -0.97 ft (-0.3 m) |
| High Tide | 11:15 PM(Sat 05 September) | 3.85 ft (1.17 m) |
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Tide Times for Alcan Harbor, Shemya Island: Sunday 06 September 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| Low Tide | 8:02 AM(Sun 06 September) | -0.93 ft (-0.28 m) |
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Tide Times for Alcan Harbor, Shemya Island: Monday 07 September 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| High Tide | 00:15 AM(Mon 07 September) | 3.73 ft (1.14 m) |
| Low Tide | 9:04 AM(Mon 07 September) | -0.78 ft (-0.24 m) |
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Tide Times for Alcan Harbor, Shemya Island: Tuesday 08 September 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| High Tide | 1:28 AM(Tue 08 September) | 3.48 ft (1.06 m) |
| Low Tide | 10:05 AM(Tue 08 September) | -0.53 ft (-0.16 m) |
| High Tide | 6:31 PM(Tue 08 September) | 2.45 ft (0.75 m) |
| Low Tide | 9:12 PM(Tue 08 September) | 2.34 ft (0.71 m) |
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Tide Times for Alcan Harbor, Shemya Island: Wednesday 09 September 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| High Tide | 2:57 AM(Wed 09 September) | 3.17 ft (0.97 m) |
| Low Tide | 11:03 AM(Wed 09 September) | -0.21 ft (-0.06 m) |
| High Tide | 6:37 PM(Wed 09 September) | 2.48 ft (0.76 m) |
| Low Tide | 11:04 PM(Wed 09 September) | 1.91 ft (0.58 m) |
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Tide Times for Alcan Harbor, Shemya Island: Thursday 10 September 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| High Tide | 4:37 AM(Thu 10 September) | 2.89 ft (0.88 m) |
| Low Tide | 11:57 AM(Thu 10 September) | 0.19 ft (0.06 m) |
| High Tide | 6:54 PM(Thu 10 September) | 2.56 ft (0.78 m) |
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Tide Times for Alcan Harbor, Shemya Island: Friday 11 September 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| Low Tide | 00:22 AM(Fri 11 September) | 1.36 ft (0.41 m) |
| High Tide | 6:14 AM(Fri 11 September) | 2.74 ft (0.84 m) |
| Low Tide | 12:48 PM(Fri 11 September) | 0.62 ft (0.19 m) |
| High Tide | 7:14 PM(Fri 11 September) | 2.67 ft (0.81 m) |
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Tide Times for Alcan Harbor, Shemya Island: Saturday 12 September 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| Low Tide | 1:22 AM(Sat 12 September) | 0.8 ft (0.24 m) |
| High Tide | 7:42 AM(Sat 12 September) | 2.7 ft (0.82 m) |
| Low Tide | 1:36 PM(Sat 12 September) | 1.06 ft (0.32 m) |
| High Tide | 7:37 PM(Sat 12 September) | 2.78 ft (0.85 m) |
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Tide Times for Alcan Harbor, Shemya Island: Sunday 13 September 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| Low Tide | 2:13 AM(Sun 13 September) | 0.3 ft (0.09 m) |
| High Tide | 8:59 AM(Sun 13 September) | 2.73 ft (0.83 m) |
| Low Tide | 2:22 PM(Sun 13 September) | 1.47 ft (0.45 m) |
| High Tide | 8:00 PM(Sun 13 September) | 2.87 ft (0.87 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.
