Today's tide times for Seavey Island, Portsmouth Harbor, New Hampshire
The predicted tide times today on Sunday 15 June 2025 for Seavey Island, Portsmouth Harbor are: first high tide at 2:27am, first low tide at 8:54am, second high tide at 3:08pm, second low tide at 9:01pm. Sunrise is at 5:02am and sunset is at 8:24pm.
Today's tide times for Seavey Island, Portsmouth Harbor: Sunday 15 June 2025
Tide | Time (EDT)& Date | Height |
---|---|---|
High Tide | 2:27 AM(Sun 15 June) | 8.77 ft (2.67 m) |
Low Tide | 8:54 AM(Sun 15 June) | 0.26 ft (0.08 m) |
High Tide | 3:08 PM(Sun 15 June) | 7.62 ft (2.32 m) |
Low Tide | 9:01 PM(Sun 15 June) | 1.36 ft (0.41 m) |
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Tide chart for Seavey Island, Portsmouth HarborShowing low and high tide times for the next 30 days at Seavey Island, Portsmouth Harbor. Tide Times are EDT (UTC -4.0hrs).
View Seavey Island, Portsmouth Harbor 7 Day Tide Chart Image.


HIGH (EDT) |
LOW (EDT) |
Sun |
Moon Set Rise |
Wind |
Sunday, 15 Jun | 16 Jun | 17 Jun | 18 Jun | 19 Jun | 20 Jun | 21 Jun | 22 Jun | 23 Jun | 24 Jun | 25 Jun | 26 Jun | 27 Jun | 28 Jun | 29 Jun | 30 Jun | 1 Jul | 2 Jul | 3 Jul | 4 Jul | 5 Jul | 6 Jul | 7 Jul | 8 Jul | 9 Jul | 10 Jul | 11 Jul | 12 Jul | 13 Jul | |||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | ||
2:27AM2.67m | 3:08PM2.32m | 3:12AM2.65m 3:56PM2.36m | 4:04AM2.61m 4:48PM2.42m | 5:02AM2.56m 5:42PM2.51m | 6:02AM2.51m 6:38PM2.60m | 7:04AM2.47m 7:35PM2.71m | 8:09AM2.46m 8:32PM2.83m | 9:12AM2.47m 9:28PM2.94m | 10:10AM2.50m 10:22PM3.02m | 11:05AM2.52m 11:15PM3.06m | 12:00PM2.53m | 00:08AM3.06m 12:53PM2.54m | 1:00AM3.03m 1:43PM2.54m | 1:51AM2.96m 2:31PM2.53m | 2:40AM2.85m 3:19PM2.50m | 3:30AM2.71m 4:10PM2.47m | 4:22AM2.56m 5:02PM2.44m | 5:18AM2.42m 5:53PM2.43m | 6:14AM2.30m 6:45PM2.42m | 7:12AM2.22m 7:37PM2.42m | 8:10AM2.16m 8:29PM2.44m | 9:06AM2.15m 9:18PM2.48m | 9:56AM2.15m 10:02PM2.52m | 10:41AM2.17m 10:44PM2.57m | 11:24AM2.20m 11:24PM2.62m | 12:05PM2.23m | 00:04AM2.67m 12:44PM2.29m | 00:45AM2.72m 1:23PM2.35m | 1:26AM2.76m 2:02PM2.42m | ||
8:54AM0.08m | 9:01PM0.41m | 9:41AM0.09m 9:53PM0.39m | 10:31AM0.10m 10:51PM0.35m | 11:23AM0.12m 11:51PM0.28m | 12:16PM0.14m | 00:51AM0.20m 1:11PM0.17m | 1:54AM0.09m 2:08PM0.19m | 2:57AM-0.02m 3:06PM0.18m | 3:56AM-0.13m 4:02PM0.16m | 4:51AM-0.22m 4:55PM0.14m | 5:44AM-0.26m 5:47PM0.14m | 6:36AM-0.26m 6:40PM0.14m | 7:26AM-0.22m 7:32PM0.16m | 8:14AM-0.15m 8:22PM0.21m | 9:02AM-0.06m 9:14PM0.27m | 9:50AM0.05m 10:08PM0.33m | 10:40AM0.16m 11:04PM0.37m | 11:30AM0.27m | 00:00AM0.41m 12:19PM0.37m | 00:56AM0.42m 1:09PM0.45m | 1:53AM0.41m 2:02PM0.51m | 2:50AM0.37m 2:54PM0.54m | 3:42AM0.32m 3:42PM0.54m | 4:28AM0.26m 4:26PM0.52m | 5:10AM0.20m 5:07PM0.48m | 5:51AM0.14m 5:47PM0.44m | 6:30AM0.08m 6:28PM0.38m | 7:09AM0.03m 7:10PM0.32m | 7:49AM-0.02m 7:54PM0.27m | ||
5:02AM | 8:24PM | 5:02AM 8:24PM | 5:03AM 8:25PM | 5:03AM 8:25PM | 5:03AM 8:25PM | 5:03AM 8:25PM | 5:03AM 8:26PM | 5:03AM 8:26PM | 5:04AM 8:26PM | 5:04AM 8:26PM | 5:04AM 8:26PM | 5:05AM 8:26PM | 5:05AM 8:26PM | 5:06AM 8:26PM | 5:06AM 8:26PM | 5:06AM 8:26PM | 5:07AM 8:26PM | 5:08AM 8:25PM | 5:08AM 8:25PM | 5:09AM 8:25PM | 5:09AM 8:25PM | 5:10AM 8:24PM | 5:11AM 8:24PM | 5:11AM 8:23PM | 5:12AM 8:23PM | 5:13AM 8:23PM | 5:14AM 8:22PM | 5:14AM 8:21PM | 5:15AM 8:21PM | ||
0.68% - (Waning Gibbous) 8:57AM | 0.7% - (Waning Gibbous) 11:50PM | 0.71% - (Waning Gibbous) 10:09AM | 0.73% - (Last Quarter) 11:22AM 00:13AM | 0.77% - (Last Quarter) 12:34PM 00:34AM | 0.8% - (Waning Crescent) 1:48PM 00:55AM | 0.84% - (Waning Crescent) 3:05PM 1:17AM | 0.87% - (Waning Crescent) 4:25PM 1:41AM | 0.91% - (Waning Crescent) 5:47PM 2:11AM | 0.94% - (Waning Crescent) 7:08PM 2:49AM | 0.98% - (New Moon) 8:20PM 3:39AM | 0.03% - (New Moon) 9:18PM 4:41AM | 0.06% - (Waxing Crescent) 10:04PM 5:54AM | 0.1% - (Waxing Crescent) 10:38PM 7:10AM | 0.14% - (Waxing Crescent) 11:04PM 8:26AM | 0.17% - (Waxing Crescent) 11:26PM 9:37AM | 0.21% - (Waxing Crescent) 11:45PM 10:45AM | 0.24% - (First Quarter) 11:50AM | 0.28% - (First Quarter) 00:02AM 12:53PM | 0.31% - (Waxing Gibbous) 00:20AM 1:56PM | 0.35% - (Waxing Gibbous) 00:39AM 2:59PM | 0.38% - (Waxing Gibbous) 1:00AM 4:04PM | 0.42% - (Waxing Gibbous) 1:25AM 5:09PM | 0.45% - (Waxing Gibbous) 1:57AM 6:13PM | 0.49% - (Full Moon) 2:37AM 7:13PM | 0.53% - (Full Moon) 3:27AM 8:06PM | 0.56% - (Waning Gibbous) 4:27AM 8:49PM | 0.59% - (Waning Gibbous) 5:34AM 9:25PM | 0.63% - (Waning Gibbous) 6:47AM 9:54PM | 0.66% - (Waning Gibbous) 8:00AM 10:18PM | ||

Seavey Island, Portsmouth Harbor tide chart key:
The tide chart above shows the height and times of high tide and low tide for Seavey Island, Portsmouth Harbor, New Hampshire. The red flashing dot shows the tide time right now. The grey shading corresponds to nighttime hours between sunset and sunrise at Seavey Island, Portsmouth Harbor.
Tide Times are EDT (UTC -4.0hrs). Last Spring High Tide at Seavey Island, Portsmouth Harbor was on Fri 13 Jun (height: 2.67m 8.8ft). Next high Spring Tide at Seavey Island, Portsmouth Harbor will be on Tue 24 Jun (height: 3.06m 10.0ft).
Seavey Island, Portsmouth Harbor tide chart key: The tide chart above shows the height and times of high tide and low tide for Seavey Island, Portsmouth Harbor, New Hampshire. The grey shading corresponds to nighttime hours between sunset and sunrise at Seavey Island, Portsmouth Harbor.
Tide Times are EDT (UTC -4.0hrs). Last Spring High Tide at Seavey Island, Portsmouth Harbor was on Fri 13 Jun (height: 2.67m 8.8ft). Next high Spring Tide at Seavey Island, Portsmouth Harbor will be on Tue 24 Jun (height: 3.06m 10.0ft).
Seavey Island, Portsmouth Harbor tide times for June and July
June and July Tide charts for Seavey Island, Portsmouth Harbor: The tide charts below show the height, time and date of high and low tides for the next 30 days.
Tide Times for Seavey Island, Portsmouth Harbor (tomorrow): Monday 16 June 2025
Tide | Time (EDT)& Date | Height |
---|---|---|
High Tide | 3:12 AM(Mon 16 June) | 8.7 ft (2.65 m) |
Low Tide | 9:41 AM(Mon 16 June) | 0.28 ft (0.09 m) |
High Tide | 3:56 PM(Mon 16 June) | 7.75 ft (2.36 m) |
Low Tide | 9:53 PM(Mon 16 June) | 1.29 ft (0.39 m) |
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Tide Times for Seavey Island, Portsmouth Harbor: Tuesday 17 June 2025
Tide | Time (EDT)& Date | Height |
---|---|---|
High Tide | 4:04 AM(Tue 17 June) | 8.56 ft (2.61 m) |
Low Tide | 10:31 AM(Tue 17 June) | 0.33 ft (0.1 m) |
High Tide | 4:48 PM(Tue 17 June) | 7.94 ft (2.42 m) |
Low Tide | 10:51 PM(Tue 17 June) | 1.15 ft (0.35 m) |
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Tide Times for Seavey Island, Portsmouth Harbor: Wednesday 18 June 2025
Tide | Time (EDT)& Date | Height |
---|---|---|
High Tide | 5:02 AM(Wed 18 June) | 8.4 ft (2.56 m) |
Low Tide | 11:23 AM(Wed 18 June) | 0.39 ft (0.12 m) |
High Tide | 5:42 PM(Wed 18 June) | 8.22 ft (2.51 m) |
Low Tide | 11:51 PM(Wed 18 June) | 0.92 ft (0.28 m) |
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Tide Times for Seavey Island, Portsmouth Harbor: Thursday 19 June 2025
Tide | Time (EDT)& Date | Height |
---|---|---|
High Tide | 6:02 AM(Thu 19 June) | 8.24 ft (2.51 m) |
Low Tide | 12:16 PM(Thu 19 June) | 0.47 ft (0.14 m) |
High Tide | 6:38 PM(Thu 19 June) | 8.54 ft (2.6 m) |
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Tide Times for Seavey Island, Portsmouth Harbor: Friday 20 June 2025
Tide | Time (EDT)& Date | Height |
---|---|---|
Low Tide | 00:51 AM(Fri 20 June) | 0.64 ft (0.2 m) |
High Tide | 7:04 AM(Fri 20 June) | 8.12 ft (2.47 m) |
Low Tide | 1:11 PM(Fri 20 June) | 0.56 ft (0.17 m) |
High Tide | 7:35 PM(Fri 20 June) | 8.9 ft (2.71 m) |
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Tide Times for Seavey Island, Portsmouth Harbor: Saturday 21 June 2025
Tide | Time (EDT)& Date | Height |
---|---|---|
Low Tide | 1:54 AM(Sat 21 June) | 0.31 ft (0.09 m) |
High Tide | 8:09 AM(Sat 21 June) | 8.07 ft (2.46 m) |
Low Tide | 2:08 PM(Sat 21 June) | 0.61 ft (0.19 m) |
High Tide | 8:32 PM(Sat 21 June) | 9.28 ft (2.83 m) |
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Tide Times for Seavey Island, Portsmouth Harbor: Sunday 22 June 2025
Tide | Time (EDT)& Date | Height |
---|---|---|
Low Tide | 2:57 AM(Sun 22 June) | -0.07 ft (-0.02 m) |
High Tide | 9:12 AM(Sun 22 June) | 8.11 ft (2.47 m) |
Low Tide | 3:06 PM(Sun 22 June) | 0.6 ft (0.18 m) |
High Tide | 9:28 PM(Sun 22 June) | 9.63 ft (2.94 m) |
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Tide Times for Seavey Island, Portsmouth Harbor: Monday 23 June 2025
Tide | Time (EDT)& Date | Height |
---|---|---|
Low Tide | 3:56 AM(Mon 23 June) | -0.44 ft (-0.13 m) |
High Tide | 10:10 AM(Mon 23 June) | 8.19 ft (2.5 m) |
Low Tide | 4:02 PM(Mon 23 June) | 0.53 ft (0.16 m) |
High Tide | 10:22 PM(Mon 23 June) | 9.9 ft (3.02 m) |
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Tide Times for Seavey Island, Portsmouth Harbor: Tuesday 24 June 2025
Tide | Time (EDT)& Date | Height |
---|---|---|
Low Tide | 4:51 AM(Tue 24 June) | -0.71 ft (-0.22 m) |
High Tide | 11:05 AM(Tue 24 June) | 8.26 ft (2.52 m) |
Low Tide | 4:55 PM(Tue 24 June) | 0.47 ft (0.14 m) |
High Tide | 11:15 PM(Tue 24 June) | 10.04 ft (3.06 m) |
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Tide Times for Seavey Island, Portsmouth Harbor: Wednesday 25 June 2025
Tide | Time (EDT)& Date | Height |
---|---|---|
Low Tide | 5:44 AM(Wed 25 June) | -0.84 ft (-0.26 m) |
High Tide | 12:00 PM(Wed 25 June) | 8.31 ft (2.53 m) |
Low Tide | 5:47 PM(Wed 25 June) | 0.45 ft (0.14 m) |
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Tide Times for Seavey Island, Portsmouth Harbor: Thursday 26 June 2025
Tide | Time (EDT)& Date | Height |
---|---|---|
High Tide | 00:08 AM(Thu 26 June) | 10.05 ft (3.06 m) |
Low Tide | 6:36 AM(Thu 26 June) | -0.84 ft (-0.26 m) |
High Tide | 12:53 PM(Thu 26 June) | 8.34 ft (2.54 m) |
Low Tide | 6:40 PM(Thu 26 June) | 0.47 ft (0.14 m) |
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Tide Times for Seavey Island, Portsmouth Harbor: Friday 27 June 2025
Tide | Time (EDT)& Date | Height |
---|---|---|
High Tide | 1:00 AM(Fri 27 June) | 9.94 ft (3.03 m) |
Low Tide | 7:26 AM(Fri 27 June) | -0.72 ft (-0.22 m) |
High Tide | 1:43 PM(Fri 27 June) | 8.34 ft (2.54 m) |
Low Tide | 7:32 PM(Fri 27 June) | 0.54 ft (0.16 m) |
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Tide Times for Seavey Island, Portsmouth Harbor: Saturday 28 June 2025
Tide | Time (EDT)& Date | Height |
---|---|---|
High Tide | 1:51 AM(Sat 28 June) | 9.7 ft (2.96 m) |
Low Tide | 8:14 AM(Sat 28 June) | -0.5 ft (-0.15 m) |
High Tide | 2:31 PM(Sat 28 June) | 8.3 ft (2.53 m) |
Low Tide | 8:22 PM(Sat 28 June) | 0.68 ft (0.21 m) |
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Tide Times for Seavey Island, Portsmouth Harbor: Sunday 29 June 2025
Tide | Time (EDT)& Date | Height |
---|---|---|
High Tide | 2:40 AM(Sun 29 June) | 9.34 ft (2.85 m) |
Low Tide | 9:02 AM(Sun 29 June) | -0.19 ft (-0.06 m) |
High Tide | 3:19 PM(Sun 29 June) | 8.21 ft (2.5 m) |
Low Tide | 9:14 PM(Sun 29 June) | 0.88 ft (0.27 m) |
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Tide Times for Seavey Island, Portsmouth Harbor: Monday 30 June 2025
Tide | Time (EDT)& Date | Height |
---|---|---|
High Tide | 3:30 AM(Mon 30 June) | 8.88 ft (2.71 m) |
Low Tide | 9:50 AM(Mon 30 June) | 0.17 ft (0.05 m) |
High Tide | 4:10 PM(Mon 30 June) | 8.1 ft (2.47 m) |
Low Tide | 10:08 PM(Mon 30 June) | 1.08 ft (0.33 m) |
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Tide Times for Seavey Island, Portsmouth Harbor: Tuesday 01 July 2025
Tide | Time (EDT)& Date | Height |
---|---|---|
High Tide | 4:22 AM(Tue 01 July) | 8.39 ft (2.56 m) |
Low Tide | 10:40 AM(Tue 01 July) | 0.54 ft (0.16 m) |
High Tide | 5:02 PM(Tue 01 July) | 8.01 ft (2.44 m) |
Low Tide | 11:04 PM(Tue 01 July) | 1.23 ft (0.37 m) |
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Tide Times for Seavey Island, Portsmouth Harbor: Wednesday 02 July 2025
Tide | Time (EDT)& Date | Height |
---|---|---|
High Tide | 5:18 AM(Wed 02 July) | 7.94 ft (2.42 m) |
Low Tide | 11:30 AM(Wed 02 July) | 0.88 ft (0.27 m) |
High Tide | 5:53 PM(Wed 02 July) | 7.96 ft (2.43 m) |
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Tide Times for Seavey Island, Portsmouth Harbor: Thursday 03 July 2025
Tide | Time (EDT)& Date | Height |
---|---|---|
Low Tide | 00:00 AM(Thu 03 July) | 1.33 ft (0.41 m) |
High Tide | 6:14 AM(Thu 03 July) | 7.56 ft (2.3 m) |
Low Tide | 12:19 PM(Thu 03 July) | 1.21 ft (0.37 m) |
High Tide | 6:45 PM(Thu 03 July) | 7.93 ft (2.42 m) |
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Tide Times for Seavey Island, Portsmouth Harbor: Friday 04 July 2025
Tide | Time (EDT)& Date | Height |
---|---|---|
Low Tide | 00:56 AM(Fri 04 July) | 1.37 ft (0.42 m) |
High Tide | 7:12 AM(Fri 04 July) | 7.27 ft (2.22 m) |
Low Tide | 1:09 PM(Fri 04 July) | 1.48 ft (0.45 m) |
High Tide | 7:37 PM(Fri 04 July) | 7.95 ft (2.42 m) |
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Tide Times for Seavey Island, Portsmouth Harbor: Saturday 05 July 2025
Tide | Time (EDT)& Date | Height |
---|---|---|
Low Tide | 1:53 AM(Sat 05 July) | 1.34 ft (0.41 m) |
High Tide | 8:10 AM(Sat 05 July) | 7.1 ft (2.16 m) |
Low Tide | 2:02 PM(Sat 05 July) | 1.68 ft (0.51 m) |
High Tide | 8:29 PM(Sat 05 July) | 8.01 ft (2.44 m) |
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Tide Times for Seavey Island, Portsmouth Harbor: Sunday 06 July 2025
Tide | Time (EDT)& Date | Height |
---|---|---|
Low Tide | 2:50 AM(Sun 06 July) | 1.22 ft (0.37 m) |
High Tide | 9:06 AM(Sun 06 July) | 7.05 ft (2.15 m) |
Low Tide | 2:54 PM(Sun 06 July) | 1.77 ft (0.54 m) |
High Tide | 9:18 PM(Sun 06 July) | 8.13 ft (2.48 m) |
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Tide Times for Seavey Island, Portsmouth Harbor: Monday 07 July 2025
Tide | Time (EDT)& Date | Height |
---|---|---|
Low Tide | 3:42 AM(Mon 07 July) | 1.04 ft (0.32 m) |
High Tide | 9:56 AM(Mon 07 July) | 7.07 ft (2.15 m) |
Low Tide | 3:42 PM(Mon 07 July) | 1.77 ft (0.54 m) |
High Tide | 10:02 PM(Mon 07 July) | 8.28 ft (2.52 m) |
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Tide Times for Seavey Island, Portsmouth Harbor: Tuesday 08 July 2025
Tide | Time (EDT)& Date | Height |
---|---|---|
Low Tide | 4:28 AM(Tue 08 July) | 0.84 ft (0.26 m) |
High Tide | 10:41 AM(Tue 08 July) | 7.12 ft (2.17 m) |
Low Tide | 4:26 PM(Tue 08 July) | 1.7 ft (0.52 m) |
High Tide | 10:44 PM(Tue 08 July) | 8.43 ft (2.57 m) |
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Tide Times for Seavey Island, Portsmouth Harbor: Wednesday 09 July 2025
Tide | Time (EDT)& Date | Height |
---|---|---|
Low Tide | 5:10 AM(Wed 09 July) | 0.65 ft (0.2 m) |
High Tide | 11:24 AM(Wed 09 July) | 7.21 ft (2.2 m) |
Low Tide | 5:07 PM(Wed 09 July) | 1.59 ft (0.48 m) |
High Tide | 11:24 PM(Wed 09 July) | 8.59 ft (2.62 m) |
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Tide Times for Seavey Island, Portsmouth Harbor: Thursday 10 July 2025
Tide | Time (EDT)& Date | Height |
---|---|---|
Low Tide | 5:51 AM(Thu 10 July) | 0.46 ft (0.14 m) |
High Tide | 12:05 PM(Thu 10 July) | 7.33 ft (2.23 m) |
Low Tide | 5:47 PM(Thu 10 July) | 1.44 ft (0.44 m) |
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Tide Times for Seavey Island, Portsmouth Harbor: Friday 11 July 2025
Tide | Time (EDT)& Date | Height |
---|---|---|
High Tide | 00:04 AM(Fri 11 July) | 8.77 ft (2.67 m) |
Low Tide | 6:30 AM(Fri 11 July) | 0.27 ft (0.08 m) |
High Tide | 12:44 PM(Fri 11 July) | 7.5 ft (2.29 m) |
Low Tide | 6:28 PM(Fri 11 July) | 1.26 ft (0.38 m) |
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Tide Times for Seavey Island, Portsmouth Harbor: Saturday 12 July 2025
Tide | Time (EDT)& Date | Height |
---|---|---|
High Tide | 00:45 AM(Sat 12 July) | 8.93 ft (2.72 m) |
Low Tide | 7:09 AM(Sat 12 July) | 0.09 ft (0.03 m) |
High Tide | 1:23 PM(Sat 12 July) | 7.71 ft (2.35 m) |
Low Tide | 7:10 PM(Sat 12 July) | 1.06 ft (0.32 m) |
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Tide Times for Seavey Island, Portsmouth Harbor: Sunday 13 July 2025
Tide | Time (EDT)& Date | Height |
---|---|---|
High Tide | 1:26 AM(Sun 13 July) | 9.06 ft (2.76 m) |
Low Tide | 7:49 AM(Sun 13 July) | -0.05 ft (-0.02 m) |
High Tide | 2:02 PM(Sun 13 July) | 7.95 ft (2.42 m) |
Low Tide | 7:54 PM(Sun 13 July) | 0.87 ft (0.27 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.