Today's tide times for Massacre Bay, Attu Island, Alaska
The predicted tide times today on Saturday 18 July 2026 for Massacre Bay, Attu Island are: first low tide at 3:58am, first high tide at 8:49am, second low tide at 3:40pm, second high tide at 10:44pm. Sunrise is at 7:25am and sunset is at 11:40pm.
Today's tide times for Massacre Bay, Attu Island: Saturday 18 July 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| Low Tide | 3:58 AM(Sat 18 July) | 1.86 ft (0.57 m) |
| High Tide | 8:49 AM(Sat 18 July) | 2.77 ft (0.84 m) |
| Low Tide | 3:40 PM(Sat 18 July) | 0.16 ft (0.05 m) |
| High Tide | 10:44 PM(Sat 18 July) | 3.34 ft (1.02 m) |
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Tide chart for Massacre Bay, Attu IslandShowing low and high tide times for the next 30 days at Massacre Bay, Attu Island. Tide Times are HDT (UTC -9.0hrs).
View Massacre Bay, Attu Island 7 Day Tide Chart Image.


HIGH (HDT) |
LOW (HDT) |
| Sun |
Moon Set Rise |
| Wind |
Saturday, 18 Jul | 19 Jul | 20 Jul | 21 Jul | 22 Jul | 23 Jul | 24 Jul | 25 Jul | 26 Jul | 27 Jul | 28 Jul | 29 Jul | 30 Jul | 31 Jul | 1 Aug | 2 Aug | 3 Aug | 4 Aug | 5 Aug | 6 Aug | 7 Aug | 8 Aug | 9 Aug | 10 Aug | 11 Aug | 12 Aug | 13 Aug | 14 Aug | 15 Aug | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AM | PM | 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 | Thu | Fri | Sat | ||
8:49AM0.84m | 10:44PM1.02m | 10:17AM0.74m 11:05PM1.05m | 11:49AM0.67m 11:28PM1.07m | 1:29PM0.65m 11:51PM1.09m | 3:31PM0.68m | 00:14AM1.09m | 00:39AM1.09m | 1:05AM1.08m | 1:33AM1.07m | 2:06AM1.06m | 2:43AM1.03m | 3:28AM0.99m 10:38PM0.94m | 4:29AM0.93m 10:28PM0.92m | 5:44AM0.86m 10:22PM0.90m | 7:05AM0.78m 10:17PM0.88m | 8:28AM0.72m 10:14PM0.89m | 9:53AM0.67m 10:14PM0.93m | 11:22AM0.64m 10:21PM0.99m | 1:04PM0.64m 10:37PM1.08m | 11:03PM1.16m | 11:39PM1.23m | 00:25AM1.26m | 1:22AM1.25m | 2:29AM1.19m | 3:48AM1.10m 8:38PM0.82m | 5:15AM1.00m 8:42PM0.84m | 6:44AM0.91m 8:57PM0.87m | 8:09AM0.83m 9:16PM0.91m | |||
3:58AM0.57m | 3:40PM0.05m | 5:01AM0.39m 4:16PM0.22m | 5:58AM0.23m 4:49PM0.39m | 6:52AM0.09m 5:16PM0.54m | 7:43AM-0.01m 5:26PM0.66m | 8:34AM-0.08m | 9:26AM-0.12m | 10:17AM-0.15m | 11:07AM-0.17m | 11:54AM-0.18m | 12:36PM-0.18m | 1:14PM-0.16m | 1:45AM0.91m 1:48PM-0.11m | 2:44AM0.82m 2:19PM-0.04m | 3:25AM0.71m 2:47PM0.06m | 4:00AM0.56m 3:12PM0.19m | 4:35AM0.40m 3:34PM0.33m | 5:14AM0.23m 3:51PM0.47m | 5:56AM0.06m 3:56PM0.59m | 6:44AM-0.09m | 7:38AM-0.20m | 8:36AM-0.28m | 9:36AM-0.32m | 10:36AM-0.33m | 11:33AM-0.30m | 12:26PM-0.23m 11:58PM0.75m | 1:14PM-0.13m | 1:29AM0.59m 1:59PM-0.00m | 2:37AM0.42m 2:41PM0.14m | ||
7:25AM | 11:40PM | 7:26AM 11:39PM | 7:28AM 11:38PM | 7:29AM 11:36PM | 7:31AM 11:35PM | 7:32AM 11:34PM | 7:33AM 11:32PM | 7:35AM 11:31PM | 7:36AM 11:29PM | 7:38AM 11:28PM | 7:40AM 11:26PM | 7:41AM 11:24PM | 7:43AM 11:23PM | 7:44AM 11:21PM | 7:46AM 11:19PM | 7:47AM 11:17PM | 7:49AM 11:16PM | 7:51AM 11:14PM | 7:52AM 11:12PM | 7:54AM 11:10PM | 7:56AM 11:08PM | 7:57AM 11:06PM | 7:59AM 11:04PM | 8:00AM 11:02PM | 8:02AM 11:00PM | 8:04AM 10:58PM | 8:06AM 10:56PM | 8:07AM 10:54PM | 8:09AM 10:52PM | ||
0.17% - (Waxing Crescent) 1:13AM | 0.18% - (Waxing Crescent) 1:28PM | 0.22% - (Waxing Crescent) 1:24AM 2:47PM | 0.26% - (First Quarter) 1:34AM 4:04PM | 0.29% - (Waxing Gibbous) 1:45AM 5:21PM | 0.33% - (Waxing Gibbous) 1:59AM 6:37PM | 0.36% - (Waxing Gibbous) 2:18AM 7:51PM | 0.4% - (Waxing Gibbous) 2:44AM 8:58PM | 0.43% - (Waxing Gibbous) 3:20AM 9:55PM | 0.47% - (Waxing Gibbous) 4:10AM 10:38PM | 0.5% - (Full Moon) 5:13AM 11:09PM | 0.54% - (Waning Gibbous) 6:25AM 11:31PM | 0.57% - (Waning Gibbous) 7:42AM 11:47PM | 0.58% - (Waning Gibbous) 9:00AM | 0.61% - (Waning Gibbous) 10:17AM 00:00AM | 0.64% - (Waning Gibbous) 11:35AM 00:10AM | 0.67% - (Waning Gibbous) 12:53PM 00:20AM | 0.71% - (Waning Gibbous) 2:13PM 00:30AM | 0.74% - (Last Quarter) 3:37PM 00:41AM | 0.78% - (Last Quarter) 5:04PM 00:55AM | 0.81% - (Waning Crescent) 6:34PM 1:15AM | 0.84% - (Waning Crescent) 7:58PM 1:44AM | 0.88% - (Waning Crescent) 9:08PM 2:28AM | 0.92% - (Waning Crescent) 9:57PM 3:33AM | 0.95% - (Waning Crescent) 10:30PM 4:58AM | 0.99% - (New Moon) 10:52PM 6:32AM | 0.01% - (New Moon) 11:07PM 8:05AM | 0.04% - (Waxing Crescent) 11:20PM 9:35AM | 0.08% - (Waxing Crescent) 11:30PM 11:01AM | 0.11% - (Waxing Crescent) 11:40PM 12:23PM | ||

Massacre Bay, Attu Island tide chart key:
The tide chart above shows the height and times of high tide and low tide for Massacre Bay, 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 Massacre Bay, Attu Island.
Tide Times are HDT (UTC -9.0hrs). Last Spring High Tide at Massacre Bay, Attu Island was on Sun 12 Jul (height: 1.33m 4.4ft). Next high Spring Tide at Massacre Bay, Attu Island will be on Tue 21 Jul (height: 1.09m 3.6ft).
Massacre Bay, Attu Island tide chart key: The tide chart above shows the height and times of high tide and low tide for Massacre Bay, Attu Island, Alaska. The grey shading corresponds to nighttime hours between sunset and sunrise at Massacre Bay, Attu Island.
Tide Times are HDT (UTC -9.0hrs). Last Spring High Tide at Massacre Bay, Attu Island was on Sun 12 Jul (height: 1.33m 4.4ft). Next high Spring Tide at Massacre Bay, Attu Island will be on Tue 21 Jul (height: 1.09m 3.6ft).
Massacre Bay, Attu Island tide times for July and August
July and August Tide charts for Massacre Bay, 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 Massacre Bay, Attu Island (tomorrow): Sunday 19 July 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| Low Tide | 5:01 AM(Sun 19 July) | 1.27 ft (0.39 m) |
| High Tide | 10:17 AM(Sun 19 July) | 2.43 ft (0.74 m) |
| Low Tide | 4:16 PM(Sun 19 July) | 0.73 ft (0.22 m) |
| High Tide | 11:05 PM(Sun 19 July) | 3.44 ft (1.05 m) |
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Tide Times for Massacre Bay, Attu Island: Monday 20 July 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| Low Tide | 5:58 AM(Mon 20 July) | 0.74 ft (0.23 m) |
| High Tide | 11:49 AM(Mon 20 July) | 2.21 ft (0.67 m) |
| Low Tide | 4:49 PM(Mon 20 July) | 1.28 ft (0.39 m) |
| High Tide | 11:28 PM(Mon 20 July) | 3.52 ft (1.07 m) |
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Tide Times for Massacre Bay, Attu Island: Tuesday 21 July 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| Low Tide | 6:52 AM(Tue 21 July) | 0.3 ft (0.09 m) |
| High Tide | 1:29 PM(Tue 21 July) | 2.14 ft (0.65 m) |
| Low Tide | 5:16 PM(Tue 21 July) | 1.77 ft (0.54 m) |
| High Tide | 11:51 PM(Tue 21 July) | 3.56 ft (1.09 m) |
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Tide Times for Massacre Bay, Attu Island: Wednesday 22 July 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| Low Tide | 7:43 AM(Wed 22 July) | -0.02 ft (-0.01 m) |
| High Tide | 3:31 PM(Wed 22 July) | 2.22 ft (0.68 m) |
| Low Tide | 5:26 PM(Wed 22 July) | 2.17 ft (0.66 m) |
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Tide Times for Massacre Bay, Attu Island: Thursday 23 July 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| High Tide | 00:14 AM(Thu 23 July) | 3.58 ft (1.09 m) |
| Low Tide | 8:34 AM(Thu 23 July) | -0.25 ft (-0.08 m) |
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Tide Times for Massacre Bay, Attu Island: Friday 24 July 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| High Tide | 00:39 AM(Fri 24 July) | 3.57 ft (1.09 m) |
| Low Tide | 9:26 AM(Fri 24 July) | -0.4 ft (-0.12 m) |
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Tide Times for Massacre Bay, Attu Island: Saturday 25 July 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| High Tide | 1:05 AM(Sat 25 July) | 3.55 ft (1.08 m) |
| Low Tide | 10:17 AM(Sat 25 July) | -0.49 ft (-0.15 m) |
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Tide Times for Massacre Bay, Attu Island: Sunday 26 July 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| High Tide | 1:33 AM(Sun 26 July) | 3.52 ft (1.07 m) |
| Low Tide | 11:07 AM(Sun 26 July) | -0.55 ft (-0.17 m) |
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Tide Times for Massacre Bay, Attu Island: Monday 27 July 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| High Tide | 2:06 AM(Mon 27 July) | 3.47 ft (1.06 m) |
| Low Tide | 11:54 AM(Mon 27 July) | -0.59 ft (-0.18 m) |
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Tide Times for Massacre Bay, Attu Island: Tuesday 28 July 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| High Tide | 2:43 AM(Tue 28 July) | 3.39 ft (1.03 m) |
| Low Tide | 12:36 PM(Tue 28 July) | -0.58 ft (-0.18 m) |
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Tide Times for Massacre Bay, Attu Island: Wednesday 29 July 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| High Tide | 3:28 AM(Wed 29 July) | 3.25 ft (0.99 m) |
| Low Tide | 1:14 PM(Wed 29 July) | -0.51 ft (-0.16 m) |
| High Tide | 10:38 PM(Wed 29 July) | 3.08 ft (0.94 m) |
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Tide Times for Massacre Bay, Attu Island: Thursday 30 July 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| Low Tide | 1:45 AM(Thu 30 July) | 2.99 ft (0.91 m) |
| High Tide | 4:29 AM(Thu 30 July) | 3.06 ft (0.93 m) |
| Low Tide | 1:48 PM(Thu 30 July) | -0.36 ft (-0.11 m) |
| High Tide | 10:28 PM(Thu 30 July) | 3.01 ft (0.92 m) |
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Tide Times for Massacre Bay, Attu Island: Friday 31 July 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| Low Tide | 2:44 AM(Fri 31 July) | 2.7 ft (0.82 m) |
| High Tide | 5:44 AM(Fri 31 July) | 2.82 ft (0.86 m) |
| Low Tide | 2:19 PM(Fri 31 July) | -0.12 ft (-0.04 m) |
| High Tide | 10:22 PM(Fri 31 July) | 2.94 ft (0.9 m) |
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Tide Times for Massacre Bay, Attu Island: Saturday 01 August 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| Low Tide | 3:25 AM(Sat 01 August) | 2.32 ft (0.71 m) |
| High Tide | 7:05 AM(Sat 01 August) | 2.57 ft (0.78 m) |
| Low Tide | 2:47 PM(Sat 01 August) | 0.21 ft (0.06 m) |
| High Tide | 10:17 PM(Sat 01 August) | 2.89 ft (0.88 m) |
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Tide Times for Massacre Bay, Attu Island: Sunday 02 August 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| Low Tide | 4:00 AM(Sun 02 August) | 1.85 ft (0.56 m) |
| High Tide | 8:28 AM(Sun 02 August) | 2.36 ft (0.72 m) |
| Low Tide | 3:12 PM(Sun 02 August) | 0.63 ft (0.19 m) |
| High Tide | 10:14 PM(Sun 02 August) | 2.92 ft (0.89 m) |
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Tide Times for Massacre Bay, Attu Island: Monday 03 August 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| Low Tide | 4:35 AM(Mon 03 August) | 1.32 ft (0.4 m) |
| High Tide | 9:53 AM(Mon 03 August) | 2.2 ft (0.67 m) |
| Low Tide | 3:34 PM(Mon 03 August) | 1.09 ft (0.33 m) |
| High Tide | 10:14 PM(Mon 03 August) | 3.04 ft (0.93 m) |
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Tide Times for Massacre Bay, Attu Island: Tuesday 04 August 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| Low Tide | 5:14 AM(Tue 04 August) | 0.75 ft (0.23 m) |
| High Tide | 11:22 AM(Tue 04 August) | 2.11 ft (0.64 m) |
| Low Tide | 3:51 PM(Tue 04 August) | 1.55 ft (0.47 m) |
| High Tide | 10:21 PM(Tue 04 August) | 3.26 ft (0.99 m) |
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Tide Times for Massacre Bay, Attu Island: Wednesday 05 August 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| Low Tide | 5:56 AM(Wed 05 August) | 0.2 ft (0.06 m) |
| High Tide | 1:04 PM(Wed 05 August) | 2.09 ft (0.64 m) |
| Low Tide | 3:56 PM(Wed 05 August) | 1.95 ft (0.59 m) |
| High Tide | 10:37 PM(Wed 05 August) | 3.54 ft (1.08 m) |
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Tide Times for Massacre Bay, Attu Island: Thursday 06 August 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| Low Tide | 6:44 AM(Thu 06 August) | -0.28 ft (-0.09 m) |
| High Tide | 11:03 PM(Thu 06 August) | 3.82 ft (1.16 m) |
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Tide Times for Massacre Bay, Attu Island: Friday 07 August 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| Low Tide | 7:38 AM(Fri 07 August) | -0.66 ft (-0.2 m) |
| High Tide | 11:39 PM(Fri 07 August) | 4.03 ft (1.23 m) |
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Tide Times for Massacre Bay, Attu Island: Saturday 08 August 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| Low Tide | 8:36 AM(Sat 08 August) | -0.92 ft (-0.28 m) |
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Tide Times for Massacre Bay, Attu Island: Sunday 09 August 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| High Tide | 00:25 AM(Sun 09 August) | 4.13 ft (1.26 m) |
| Low Tide | 9:36 AM(Sun 09 August) | -1.06 ft (-0.32 m) |
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Tide Times for Massacre Bay, Attu Island: Monday 10 August 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| High Tide | 1:22 AM(Mon 10 August) | 4.09 ft (1.25 m) |
| Low Tide | 10:36 AM(Mon 10 August) | -1.09 ft (-0.33 m) |
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Tide Times for Massacre Bay, Attu Island: Tuesday 11 August 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| High Tide | 2:29 AM(Tue 11 August) | 3.9 ft (1.19 m) |
| Low Tide | 11:33 AM(Tue 11 August) | -0.99 ft (-0.3 m) |
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Tide Times for Massacre Bay, Attu Island: Wednesday 12 August 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| High Tide | 3:48 AM(Wed 12 August) | 3.61 ft (1.1 m) |
| Low Tide | 12:26 PM(Wed 12 August) | -0.77 ft (-0.23 m) |
| High Tide | 8:38 PM(Wed 12 August) | 2.69 ft (0.82 m) |
| Low Tide | 11:58 PM(Wed 12 August) | 2.45 ft (0.75 m) |
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Tide Times for Massacre Bay, Attu Island: Thursday 13 August 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| High Tide | 5:15 AM(Thu 13 August) | 3.28 ft (1.0 m) |
| Low Tide | 1:14 PM(Thu 13 August) | -0.44 ft (-0.13 m) |
| High Tide | 8:42 PM(Thu 13 August) | 2.74 ft (0.84 m) |
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Tide Times for Massacre Bay, Attu Island: Friday 14 August 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| Low Tide | 1:29 AM(Fri 14 August) | 1.95 ft (0.59 m) |
| High Tide | 6:44 AM(Fri 14 August) | 2.97 ft (0.91 m) |
| Low Tide | 1:59 PM(Fri 14 August) | -0.01 ft (-0.0 m) |
| High Tide | 8:57 PM(Fri 14 August) | 2.85 ft (0.87 m) |
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Tide Times for Massacre Bay, Attu Island: Saturday 15 August 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| Low Tide | 2:37 AM(Sat 15 August) | 1.38 ft (0.42 m) |
| High Tide | 8:09 AM(Sat 15 August) | 2.72 ft (0.83 m) |
| Low Tide | 2:41 PM(Sat 15 August) | 0.46 ft (0.14 m) |
| High Tide | 9:16 PM(Sat 15 August) | 2.97 ft (0.91 m) |
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