Today's tide times for Alcan Harbor, Shemya Island, Alaska
The predicted tide times today on Monday 18 May 2026 for Alcan Harbor, Shemya Island are: first high tide at 5:03am, first low tide at 1:59pm, second high tide at 11:31pm. Sunrise is at 7:21am and sunset is at 11:19pm.
Today's tide times for Alcan Harbor, Shemya Island: Monday 18 May 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| High Tide | 5:03 AM(Mon 18 May) | 3.93 ft (1.2 m) |
| Low Tide | 1:59 PM(Mon 18 May) | -1.9 ft (-0.58 m) |
| High Tide | 11:31 PM(Mon 18 May) | 3.34 ft (1.02 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 |
Monday, 18 May | 19 May | 20 May | 21 May | 22 May | 23 May | 24 May | 25 May | 26 May | 27 May | 28 May | 29 May | 30 May | 31 May | 1 Jun | 2 Jun | 3 Jun | 4 Jun | 5 Jun | 6 Jun | 7 Jun | 8 Jun | 9 Jun | 10 Jun | 11 Jun | 12 Jun | 13 Jun | 14 Jun | 15 Jun | 16 Jun | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AM | PM | 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 | Mon | Tue | ||
5:03AM1.20m | 11:31PM1.02m | 6:00AM1.20m 11:50PM1.00m | 7:02AM1.15m | 00:12AM0.98m 8:08AM1.06m | 00:35AM0.97m 9:21AM0.93m | 00:59AM0.97m 10:45AM0.78m | 1:24AM0.98m 12:29PM0.65m | 1:49AM1.00m 2:32PM0.59m | 2:14AM1.01m 4:48PM0.62m | 2:37AM1.02m 7:00PM0.73m | 2:59AM1.02m 8:40PM0.85m | 3:18AM1.01m 9:34PM0.94m | 3:33AM1.01m 10:16PM1.01m | 3:45AM1.01m 10:57PM1.04m | 3:51AM1.01m 11:35PM1.05m | 00:09AM1.05m | 00:34AM1.04m | 00:50AM1.01m | 00:57AM0.99m | 00:59AM0.96m 9:07AM0.71m | 00:58AM0.95m 11:10AM0.60m | 00:58AM0.97m 1:30PM0.55m | 1:02AM1.02m 4:52PM0.60m | 1:13AM1.10m | 1:32AM1.19m | 2:03AM1.26m | 2:46AM1.32m | 3:39AM1.33m | 4:40AM1.31m 11:21PM1.05m | |||
1:59PM-0.58m | 00:58AM1.01m 2:49PM-0.56m | 2:19AM0.97m 3:39PM-0.49m | 3:41AM0.88m 4:26PM-0.37m | 5:04AM0.77m 5:12PM-0.21m | 6:27AM0.62m 5:56PM-0.02m | 7:43AM0.44m 6:37PM0.18m | 8:50AM0.26m 7:18PM0.38m | 9:46AM0.09m 7:58PM0.56m | 10:35AM-0.05m 8:42PM0.72m | 11:20AM-0.16m 9:49PM0.85m | 12:01PM-0.23m 11:26PM0.94m | 12:40PM-0.27m | 1:00AM0.98m 1:18PM-0.29m | 2:26AM1.00m 1:56PM-0.29m | 2:32PM-0.28m | 3:06PM-0.25m | 3:39PM-0.21m | 4:10PM-0.14m | 4:39PM-0.03m | 7:06AM0.70m 5:06PM0.10m | 7:36AM0.54m 5:30PM0.26m | 8:11AM0.35m 5:46PM0.43m | 8:51AM0.14m 5:07PM0.60m | 9:35AM-0.07m | 10:22AM-0.25m | 11:12AM-0.40m | 12:03PM-0.50m | 12:54PM-0.55m | 1:45PM-0.53m | |||
7:21AM | 11:19PM | 7:20AM 11:21PM | 7:18AM 11:22PM | 7:17AM 11:24PM | 7:16AM 11:25PM | 7:15AM 11:27PM | 7:13AM 11:28PM | 7:12AM 11:29PM | 7:11AM 11:31PM | 7:10AM 11:32PM | 7:09AM 11:33PM | 7:08AM 11:35PM | 7:07AM 11:36PM | 7:06AM 11:37PM | 7:05AM 11:38PM | 7:04AM 11:39PM | 7:03AM 11:40PM | 7:03AM 11:41PM | 7:02AM 11:42PM | 7:02AM 11:43PM | 7:01AM 11:44PM | 7:01AM 11:45PM | 7:00AM 11:46PM | 7:00AM 11:46PM | 6:59AM 11:47PM | 6:59AM 11:48PM | 6:59AM 11:48PM | 6:59AM 11:49PM | 6:59AM 11:50PM | 6:59AM 11:50PM | ||
0.08% - (Waxing Crescent) 8:18AM | 0.11% - (Waxing Crescent) 2:54AM 9:33AM | 0.15% - (Waxing Crescent) 3:36AM 11:02AM | 0.18% - (Waxing Crescent) 4:03AM 12:32PM | 0.22% - (Waxing Crescent) 4:22AM 1:59PM | 0.25% - (First Quarter) 4:35AM 3:21PM | 0.29% - (Waxing Gibbous) 4:46AM 4:39PM | 0.33% - (Waxing Gibbous) 4:56AM 5:55PM | 0.36% - (Waxing Gibbous) 5:05AM 7:10PM | 0.4% - (Waxing Gibbous) 5:16AM 8:25PM | 0.43% - (Waxing Gibbous) 5:29AM 9:41PM | 0.47% - (Waxing Gibbous) 5:46AM 10:56PM | 0.48% - (Full Moon) 6:09AM | 0.5% - (Full Moon) 6:40AM 00:06AM | 0.54% - (Waning Gibbous) 7:25AM 1:07AM | 0.57% - (Waning Gibbous) 8:22AM 1:56AM | 0.61% - (Waning Gibbous) 9:31AM 2:31AM | 0.64% - (Waning Gibbous) 10:46AM 2:56AM | 0.68% - (Waning Gibbous) 12:02PM 3:14AM | 0.71% - (Waning Gibbous) 1:19PM 3:28AM | 0.75% - (Last Quarter) 2:36PM 3:40AM | 0.78% - (Waning Crescent) 3:55PM 3:50AM | 0.81% - (Waning Crescent) 5:16PM 4:00AM | 0.85% - (Waning Crescent) 6:42PM 4:12AM | 0.88% - (Waning Crescent) 8:14PM 4:26AM | 0.92% - (Waning Crescent) 9:49PM 4:45AM | 0.95% - (Waning Crescent) 11:20PM 5:14AM | 0.0% - (New Moon) 5:59AM | 0.04% - (Waxing Crescent) 00:36AM 7:05AM | 0.08% - (Waxing Crescent) 1:29AM 8:31AM | |||

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 Sun 17 May (height: 1.20m 3.9ft). Next high Spring Tide at Alcan Harbor, Shemya Island will be on Tue 26 May (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 Sun 17 May (height: 1.20m 3.9ft). Next high Spring Tide at Alcan Harbor, Shemya Island will be on Tue 26 May (height: 1.02m 3.3ft).
Alcan Harbor, Shemya Island tide times for May and June
May and June 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): Tuesday 19 May 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| Low Tide | 00:58 AM(Tue 19 May) | 3.32 ft (1.01 m) |
| High Tide | 6:00 AM(Tue 19 May) | 3.93 ft (1.2 m) |
| Low Tide | 2:49 PM(Tue 19 May) | -1.85 ft (-0.56 m) |
| High Tide | 11:50 PM(Tue 19 May) | 3.29 ft (1.0 m) |
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Tide Times for Alcan Harbor, Shemya Island: Wednesday 20 May 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| Low Tide | 2:19 AM(Wed 20 May) | 3.17 ft (0.97 m) |
| High Tide | 7:02 AM(Wed 20 May) | 3.78 ft (1.15 m) |
| Low Tide | 3:39 PM(Wed 20 May) | -1.62 ft (-0.49 m) |
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Tide Times for Alcan Harbor, Shemya Island: Thursday 21 May 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| High Tide | 00:12 AM(Thu 21 May) | 3.22 ft (0.98 m) |
| Low Tide | 3:41 AM(Thu 21 May) | 2.9 ft (0.88 m) |
| High Tide | 8:08 AM(Thu 21 May) | 3.48 ft (1.06 m) |
| Low Tide | 4:26 PM(Thu 21 May) | -1.22 ft (-0.37 m) |
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Tide Times for Alcan Harbor, Shemya Island: Friday 22 May 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| High Tide | 00:35 AM(Fri 22 May) | 3.18 ft (0.97 m) |
| Low Tide | 5:04 AM(Fri 22 May) | 2.52 ft (0.77 m) |
| High Tide | 9:21 AM(Fri 22 May) | 3.05 ft (0.93 m) |
| Low Tide | 5:12 PM(Fri 22 May) | -0.69 ft (-0.21 m) |
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Tide Times for Alcan Harbor, Shemya Island: Saturday 23 May 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| High Tide | 00:59 AM(Sat 23 May) | 3.18 ft (0.97 m) |
| Low Tide | 6:27 AM(Sat 23 May) | 2.02 ft (0.62 m) |
| High Tide | 10:45 AM(Sat 23 May) | 2.57 ft (0.78 m) |
| Low Tide | 5:56 PM(Sat 23 May) | -0.07 ft (-0.02 m) |
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Tide Times for Alcan Harbor, Shemya Island: Sunday 24 May 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| High Tide | 1:24 AM(Sun 24 May) | 3.22 ft (0.98 m) |
| Low Tide | 7:43 AM(Sun 24 May) | 1.44 ft (0.44 m) |
| High Tide | 12:29 PM(Sun 24 May) | 2.14 ft (0.65 m) |
| Low Tide | 6:37 PM(Sun 24 May) | 0.59 ft (0.18 m) |
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Tide Times for Alcan Harbor, Shemya Island: Monday 25 May 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| High Tide | 1:49 AM(Mon 25 May) | 3.28 ft (1.0 m) |
| Low Tide | 8:50 AM(Mon 25 May) | 0.84 ft (0.26 m) |
| High Tide | 2:32 PM(Mon 25 May) | 1.93 ft (0.59 m) |
| Low Tide | 7:18 PM(Mon 25 May) | 1.24 ft (0.38 m) |
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Tide Times for Alcan Harbor, Shemya Island: Tuesday 26 May 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| High Tide | 2:14 AM(Tue 26 May) | 3.33 ft (1.01 m) |
| Low Tide | 9:46 AM(Tue 26 May) | 0.28 ft (0.09 m) |
| High Tide | 4:48 PM(Tue 26 May) | 2.04 ft (0.62 m) |
| Low Tide | 7:58 PM(Tue 26 May) | 1.85 ft (0.56 m) |
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Tide Times for Alcan Harbor, Shemya Island: Wednesday 27 May 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| High Tide | 2:37 AM(Wed 27 May) | 3.35 ft (1.02 m) |
| Low Tide | 10:35 AM(Wed 27 May) | -0.18 ft (-0.05 m) |
| High Tide | 7:00 PM(Wed 27 May) | 2.4 ft (0.73 m) |
| Low Tide | 8:42 PM(Wed 27 May) | 2.37 ft (0.72 m) |
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Tide Times for Alcan Harbor, Shemya Island: Thursday 28 May 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| High Tide | 2:59 AM(Thu 28 May) | 3.34 ft (1.02 m) |
| Low Tide | 11:20 AM(Thu 28 May) | -0.52 ft (-0.16 m) |
| High Tide | 8:40 PM(Thu 28 May) | 2.79 ft (0.85 m) |
| Low Tide | 9:49 PM(Thu 28 May) | 2.79 ft (0.85 m) |
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Tide Times for Alcan Harbor, Shemya Island: Friday 29 May 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| High Tide | 3:18 AM(Fri 29 May) | 3.32 ft (1.01 m) |
| Low Tide | 12:01 PM(Fri 29 May) | -0.76 ft (-0.23 m) |
| High Tide | 9:34 PM(Fri 29 May) | 3.1 ft (0.94 m) |
| Low Tide | 11:26 PM(Fri 29 May) | 3.07 ft (0.94 m) |
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Tide Times for Alcan Harbor, Shemya Island: Saturday 30 May 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| High Tide | 3:33 AM(Sat 30 May) | 3.3 ft (1.01 m) |
| Low Tide | 12:40 PM(Sat 30 May) | -0.89 ft (-0.27 m) |
| High Tide | 10:16 PM(Sat 30 May) | 3.3 ft (1.01 m) |
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Tide Times for Alcan Harbor, Shemya Island: Sunday 31 May 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| Low Tide | 1:00 AM(Sun 31 May) | 3.23 ft (0.98 m) |
| High Tide | 3:45 AM(Sun 31 May) | 3.3 ft (1.01 m) |
| Low Tide | 1:18 PM(Sun 31 May) | -0.95 ft (-0.29 m) |
| High Tide | 10:57 PM(Sun 31 May) | 3.41 ft (1.04 m) |
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Tide Times for Alcan Harbor, Shemya Island: Monday 01 June 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| Low Tide | 2:26 AM(Mon 01 June) | 3.29 ft (1.0 m) |
| High Tide | 3:51 AM(Mon 01 June) | 3.3 ft (1.01 m) |
| Low Tide | 1:56 PM(Mon 01 June) | -0.96 ft (-0.29 m) |
| High Tide | 11:35 PM(Mon 01 June) | 3.46 ft (1.05 m) |
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Tide Times for Alcan Harbor, Shemya Island: Tuesday 02 June 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| Low Tide | 2:32 PM(Tue 02 June) | -0.92 ft (-0.28 m) |
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Tide Times for Alcan Harbor, Shemya Island: Wednesday 03 June 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| High Tide | 00:09 AM(Wed 03 June) | 3.45 ft (1.05 m) |
| Low Tide | 3:06 PM(Wed 03 June) | -0.83 ft (-0.25 m) |
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Tide Times for Alcan Harbor, Shemya Island: Thursday 04 June 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| High Tide | 00:34 AM(Thu 04 June) | 3.41 ft (1.04 m) |
| Low Tide | 3:39 PM(Thu 04 June) | -0.68 ft (-0.21 m) |
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Tide Times for Alcan Harbor, Shemya Island: Friday 05 June 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| High Tide | 00:50 AM(Fri 05 June) | 3.33 ft (1.01 m) |
| Low Tide | 4:10 PM(Fri 05 June) | -0.45 ft (-0.14 m) |
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Tide Times for Alcan Harbor, Shemya Island: Saturday 06 June 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| High Tide | 00:57 AM(Sat 06 June) | 3.24 ft (0.99 m) |
| Low Tide | 4:39 PM(Sat 06 June) | -0.11 ft (-0.03 m) |
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Tide Times for Alcan Harbor, Shemya Island: Sunday 07 June 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| High Tide | 00:59 AM(Sun 07 June) | 3.16 ft (0.96 m) |
| Low Tide | 7:06 AM(Sun 07 June) | 2.3 ft (0.7 m) |
| High Tide | 9:07 AM(Sun 07 June) | 2.34 ft (0.71 m) |
| Low Tide | 5:06 PM(Sun 07 June) | 0.32 ft (0.1 m) |
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Tide Times for Alcan Harbor, Shemya Island: Monday 08 June 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| High Tide | 00:58 AM(Mon 08 June) | 3.13 ft (0.95 m) |
| Low Tide | 7:36 AM(Mon 08 June) | 1.77 ft (0.54 m) |
| High Tide | 11:10 AM(Mon 08 June) | 1.98 ft (0.6 m) |
| Low Tide | 5:30 PM(Mon 08 June) | 0.85 ft (0.26 m) |
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Tide Times for Alcan Harbor, Shemya Island: Tuesday 09 June 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| High Tide | 00:58 AM(Tue 09 June) | 3.19 ft (0.97 m) |
| Low Tide | 8:11 AM(Tue 09 June) | 1.14 ft (0.35 m) |
| High Tide | 1:30 PM(Tue 09 June) | 1.8 ft (0.55 m) |
| Low Tide | 5:46 PM(Tue 09 June) | 1.42 ft (0.43 m) |
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Tide Times for Alcan Harbor, Shemya Island: Wednesday 10 June 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| High Tide | 1:02 AM(Wed 10 June) | 3.35 ft (1.02 m) |
| Low Tide | 8:51 AM(Wed 10 June) | 0.46 ft (0.14 m) |
| High Tide | 4:52 PM(Wed 10 June) | 1.96 ft (0.6 m) |
| Low Tide | 5:07 PM(Wed 10 June) | 1.96 ft (0.6 m) |
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Tide Times for Alcan Harbor, Shemya Island: Thursday 11 June 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| High Tide | 1:13 AM(Thu 11 June) | 3.6 ft (1.1 m) |
| Low Tide | 9:35 AM(Thu 11 June) | -0.22 ft (-0.07 m) |
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Tide Times for Alcan Harbor, Shemya Island: Friday 12 June 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| High Tide | 1:32 AM(Fri 12 June) | 3.89 ft (1.19 m) |
| Low Tide | 10:22 AM(Fri 12 June) | -0.83 ft (-0.25 m) |
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Tide Times for Alcan Harbor, Shemya Island: Saturday 13 June 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| High Tide | 2:03 AM(Sat 13 June) | 4.15 ft (1.26 m) |
| Low Tide | 11:12 AM(Sat 13 June) | -1.31 ft (-0.4 m) |
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Tide Times for Alcan Harbor, Shemya Island: Sunday 14 June 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| High Tide | 2:46 AM(Sun 14 June) | 4.32 ft (1.32 m) |
| Low Tide | 12:03 PM(Sun 14 June) | -1.64 ft (-0.5 m) |
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Tide Times for Alcan Harbor, Shemya Island: Monday 15 June 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| High Tide | 3:39 AM(Mon 15 June) | 4.38 ft (1.33 m) |
| Low Tide | 12:54 PM(Mon 15 June) | -1.79 ft (-0.55 m) |
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Tide Times for Alcan Harbor, Shemya Island: Tuesday 16 June 2026
| Tide | Time (HDT)& Date | Height |
|---|---|---|
| High Tide | 4:40 AM(Tue 16 June) | 4.29 ft (1.31 m) |
| Low Tide | 1:45 PM(Tue 16 June) | -1.75 ft (-0.53 m) |
| High Tide | 11:21 PM(Tue 16 June) | 3.45 ft (1.05 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.
