Today's tide times for Portsmouth, Portsmouth Harbor, New Hampshire
The predicted tide times today on Tuesday 10 March 2026 for Portsmouth are: first high tide at 4:44am, first low tide at 11:07am, second high tide at 5:29pm, second low tide at 11:13pm. Sunrise is at 7:03am and sunset is at 6:43pm.
Today's tide times for Portsmouth: Tuesday 10 March 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| High Tide | 4:44 AM(Tue 10 March) | 7.49 ft (2.28 m) |
| Low Tide | 11:07 AM(Tue 10 March) | 0.97 ft (0.3 m) |
| High Tide | 5:29 PM(Tue 10 March) | 6.5 ft (1.98 m) |
| Low Tide | 11:13 PM(Tue 10 March) | 1.71 ft (0.52 m) |
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Tide chart for PortsmouthShowing low and high tide times for the next 30 days at Portsmouth. Tide Times are EDT (UTC -4.0hrs).
View Portsmouth 7 Day Tide Chart Image.


HIGH (EDT) |
LOW (EDT) |
| Sun |
Moon Set Rise |
| Wind |
Tuesday, 10 Mar | 11 Mar | 12 Mar | 13 Mar | 14 Mar | 15 Mar | 16 Mar | 17 Mar | 18 Mar | 19 Mar | 20 Mar | 21 Mar | 22 Mar | 23 Mar | 24 Mar | 25 Mar | 26 Mar | 27 Mar | 28 Mar | 29 Mar | 30 Mar | 31 Mar | 1 Apr | 2 Apr | 3 Apr | 4 Apr | 5 Apr | 6 Apr | 7 Apr | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AM | PM | 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 | ||
4:44AM2.28m | 5:29PM1.98m | 5:36AM2.20m 6:27PM1.90m | 6:34AM2.16m 7:29PM1.88m | 7:38AM2.16m 8:32PM1.92m | 8:40AM2.23m 9:26PM2.02m | 9:33AM2.33m 10:10PM2.15m | 10:19AM2.44m 10:50PM2.30m | 11:01AM2.54m 11:28PM2.46m | 11:43AM2.62m | 00:05AM2.60m 12:25PM2.67m | 00:44AM2.73m 1:08PM2.69m | 1:23AM2.81m 1:52PM2.65m | 2:06AM2.85m 2:39PM2.57m | 2:51AM2.82m 3:31PM2.45m | 3:43AM2.74m 4:30PM2.33m | 4:44AM2.63m 5:37PM2.22m | 5:51AM2.53m 6:48PM2.16m | 7:03AM2.47m 8:01PM2.18m | 8:18AM2.47m 9:08PM2.27m | 9:25AM2.51m 10:04PM2.39m | 10:21AM2.56m 10:52PM2.50m | 11:11AM2.59m 11:36PM2.58m | 11:58AM2.58m | 00:16AM2.63m 12:41PM2.54m | 00:53AM2.64m 1:21PM2.47m | 1:29AM2.62m 2:00PM2.39m | 2:04AM2.57m 2:38PM2.30m | 2:39AM2.49m 3:18PM2.19m | 3:18AM2.41m 4:03PM2.10m | ||
11:07AM0.30m | 11:13PM0.52m | 12:03PM0.37m | 00:08AM0.59m 1:04PM0.41m | 1:10AM0.60m 2:08PM0.39m | 2:13AM0.56m 3:05PM0.31m | 3:10AM0.45m 3:51PM0.20m | 3:58AM0.31m 4:31PM0.09m | 4:41AM0.15m 5:09PM-0.02m | 5:24AM-0.00m 5:47PM-0.10m | 6:07AM-0.14m 6:26PM-0.16m | 6:50AM-0.25m 7:06PM-0.17m | 7:35AM-0.31m 7:49PM-0.15m | 8:21AM-0.31m 8:34PM-0.07m | 9:12AM-0.25m 9:24PM0.04m | 10:08AM-0.15m 10:21PM0.17m | 11:12AM-0.03m 11:26PM0.28m | 12:20PM0.05m | 00:36AM0.34m 1:33PM0.09m | 1:51AM0.33m 2:43PM0.07m | 3:02AM0.24m 3:42PM0.01m | 4:01AM0.12m 4:32PM-0.03m | 4:53AM0.01m 5:17PM-0.04m | 5:40AM-0.07m 5:59PM-0.02m | 6:24AM-0.11m 6:37PM0.04m | 7:04AM-0.11m 7:13PM0.11m | 7:42AM-0.07m 7:48PM0.19m | 8:19AM-0.01m 8:24PM0.29m | 8:58AM0.08m 9:02PM0.38m | 9:41AM0.18m 9:46PM0.47m | ||
7:03AM | 6:43PM | 7:02AM 6:44PM | 7:00AM 6:45PM | 6:58AM 6:47PM | 6:56AM 6:48PM | 6:55AM 6:49PM | 6:53AM 6:50PM | 6:51AM 6:51PM | 6:49AM 6:53PM | 6:48AM 6:54PM | 6:46AM 6:55PM | 6:44AM 6:56PM | 6:42AM 6:57PM | 6:40AM 6:59PM | 6:39AM 7:00PM | 6:37AM 7:01PM | 6:35AM 7:02PM | 6:33AM 7:03PM | 6:31AM 7:04PM | 6:30AM 7:06PM | 6:28AM 7:07PM | 6:26AM 7:08PM | 6:24AM 7:09PM | 6:23AM 7:10PM | 6:21AM 7:11PM | 6:19AM 7:12PM | 6:17AM 7:14PM | 6:16AM 7:15PM | 6:14AM 7:16PM | ||
0.74% - (Last Quarter) 1:40AM | 0.75% - (Last Quarter) 10:08AM | 0.77% - (Last Quarter) 10:54AM 2:39AM | 0.81% - (Waning Crescent) 11:48AM 3:32AM | 0.84% - (Waning Crescent) 12:50PM 4:16AM | 0.88% - (Waning Crescent) 1:57PM 4:53AM | 0.91% - (Waning Crescent) 3:07PM 5:23AM | 0.95% - (Waning Crescent) 4:18PM 5:49AM | 0.98% - (New Moon) 5:30PM 6:11AM | 1.01% - () 6:43PM 6:32AM | 0.03% - (Waxing Crescent) 7:57PM 6:53AM | 0.07% - (Waxing Crescent) 9:15PM 7:15AM | 0.1% - (Waxing Crescent) 10:35PM 7:40AM | 0.14% - (Waxing Crescent) 11:55PM 8:11AM | 0.17% - (Waxing Crescent) 8:50AM | 0.21% - (Waxing Crescent) 1:12AM 9:40AM | 0.24% - (First Quarter) 2:20AM 10:42AM | 0.28% - (First Quarter) 3:16AM 11:53AM | 0.31% - (Waxing Gibbous) 3:59AM 1:09PM | 0.35% - (Waxing Gibbous) 4:33AM 2:24PM | 0.38% - (Waxing Gibbous) 4:59AM 3:37PM | 0.42% - (Waxing Gibbous) 5:21AM 4:47PM | 0.45% - (Waxing Gibbous) 5:41AM 5:56PM | 0.49% - (Full Moon) 6:00AM 7:02PM | 0.53% - (Full Moon) 6:19AM 8:09PM | 0.56% - (Waning Gibbous) 6:40AM 9:15PM | 0.6% - (Waning Gibbous) 7:03AM 10:22PM | 0.63% - (Waning Gibbous) 7:31AM 11:26PM | 0.64% - (Waning Gibbous) 8:06AM | 0.67% - (Waning Gibbous) 8:47AM 00:28AM | ||

Portsmouth tide chart key:
The tide chart above shows the height and times of high tide and low tide for Portsmouth, 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 Portsmouth.
Tide Times are EDT (UTC -4.0hrs). Last Spring High Tide at Portsmouth, Portsmouth Harbor was on Tue 03 Mar (height: 2.73m 9.0ft). Next high Spring Tide at Portsmouth, Portsmouth Harbor will be on Sat 21 Mar (height: 2.85m 9.4ft).
Portsmouth tide chart key: The tide chart above shows the height and times of high tide and low tide for Portsmouth, Portsmouth Harbor, New Hampshire. The grey shading corresponds to nighttime hours between sunset and sunrise at Portsmouth.
Tide Times are EDT (UTC -4.0hrs). Last Spring High Tide at Portsmouth, Portsmouth Harbor was on Tue 03 Mar (height: 2.73m 9.0ft). Next high Spring Tide at Portsmouth, Portsmouth Harbor will be on Sat 21 Mar (height: 2.85m 9.4ft).
Portsmouth tide times for March and April
March and April Tide charts for Portsmouth: The tide charts below show the height, time and date of high and low tides for the next 30 days.
Tide Times for Portsmouth (tomorrow): Wednesday 11 March 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| High Tide | 5:36 AM(Wed 11 March) | 7.23 ft (2.2 m) |
| Low Tide | 12:03 PM(Wed 11 March) | 1.23 ft (0.37 m) |
| High Tide | 6:27 PM(Wed 11 March) | 6.25 ft (1.9 m) |
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Tide Times for Portsmouth: Thursday 12 March 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| Low Tide | 00:08 AM(Thu 12 March) | 1.93 ft (0.59 m) |
| High Tide | 6:34 AM(Thu 12 March) | 7.08 ft (2.16 m) |
| Low Tide | 1:04 PM(Thu 12 March) | 1.36 ft (0.41 m) |
| High Tide | 7:29 PM(Thu 12 March) | 6.17 ft (1.88 m) |
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Tide Times for Portsmouth: Friday 13 March 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| Low Tide | 1:10 AM(Fri 13 March) | 1.99 ft (0.61 m) |
| High Tide | 7:38 AM(Fri 13 March) | 7.1 ft (2.16 m) |
| Low Tide | 2:08 PM(Fri 13 March) | 1.28 ft (0.39 m) |
| High Tide | 8:32 PM(Fri 13 March) | 6.31 ft (1.92 m) |
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Tide Times for Portsmouth: Saturday 14 March 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| Low Tide | 2:13 AM(Sat 14 March) | 1.83 ft (0.56 m) |
| High Tide | 8:40 AM(Sat 14 March) | 7.31 ft (2.23 m) |
| Low Tide | 3:05 PM(Sat 14 March) | 1.01 ft (0.31 m) |
| High Tide | 9:26 PM(Sat 14 March) | 6.63 ft (2.02 m) |
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Tide Times for Portsmouth: Sunday 15 March 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| Low Tide | 3:10 AM(Sun 15 March) | 1.48 ft (0.45 m) |
| High Tide | 9:33 AM(Sun 15 March) | 7.64 ft (2.33 m) |
| Low Tide | 3:51 PM(Sun 15 March) | 0.66 ft (0.2 m) |
| High Tide | 10:10 PM(Sun 15 March) | 7.06 ft (2.15 m) |
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Tide Times for Portsmouth: Monday 16 March 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| Low Tide | 3:58 AM(Mon 16 March) | 1.02 ft (0.31 m) |
| High Tide | 10:19 AM(Mon 16 March) | 8.01 ft (2.44 m) |
| Low Tide | 4:31 PM(Mon 16 March) | 0.28 ft (0.09 m) |
| High Tide | 10:50 PM(Mon 16 March) | 7.55 ft (2.3 m) |
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Tide Times for Portsmouth: Tuesday 17 March 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| Low Tide | 4:41 AM(Tue 17 March) | 0.5 ft (0.15 m) |
| High Tide | 11:01 AM(Tue 17 March) | 8.35 ft (2.54 m) |
| Low Tide | 5:09 PM(Tue 17 March) | -0.06 ft (-0.02 m) |
| High Tide | 11:28 PM(Tue 17 March) | 8.06 ft (2.46 m) |
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Tide Times for Portsmouth: Wednesday 18 March 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| Low Tide | 5:24 AM(Wed 18 March) | -0.01 ft (-0.0 m) |
| High Tide | 11:43 AM(Wed 18 March) | 8.61 ft (2.62 m) |
| Low Tide | 5:47 PM(Wed 18 March) | -0.34 ft (-0.1 m) |
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Tide Times for Portsmouth: Thursday 19 March 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| High Tide | 00:05 AM(Thu 19 March) | 8.54 ft (2.6 m) |
| Low Tide | 6:07 AM(Thu 19 March) | -0.47 ft (-0.14 m) |
| High Tide | 12:25 PM(Thu 19 March) | 8.77 ft (2.67 m) |
| Low Tide | 6:26 PM(Thu 19 March) | -0.52 ft (-0.16 m) |
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Tide Times for Portsmouth: Friday 20 March 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| High Tide | 00:44 AM(Fri 20 March) | 8.95 ft (2.73 m) |
| Low Tide | 6:50 AM(Fri 20 March) | -0.83 ft (-0.25 m) |
| High Tide | 1:08 PM(Fri 20 March) | 8.81 ft (2.69 m) |
| Low Tide | 7:06 PM(Fri 20 March) | -0.57 ft (-0.17 m) |
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Tide Times for Portsmouth: Saturday 21 March 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| High Tide | 1:23 AM(Sat 21 March) | 9.23 ft (2.81 m) |
| Low Tide | 7:35 AM(Sat 21 March) | -1.03 ft (-0.31 m) |
| High Tide | 1:52 PM(Sat 21 March) | 8.7 ft (2.65 m) |
| Low Tide | 7:49 PM(Sat 21 March) | -0.48 ft (-0.15 m) |
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Tide Times for Portsmouth: Sunday 22 March 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| High Tide | 2:06 AM(Sun 22 March) | 9.34 ft (2.85 m) |
| Low Tide | 8:21 AM(Sun 22 March) | -1.03 ft (-0.31 m) |
| High Tide | 2:39 PM(Sun 22 March) | 8.44 ft (2.57 m) |
| Low Tide | 8:34 PM(Sun 22 March) | -0.23 ft (-0.07 m) |
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Tide Times for Portsmouth: Monday 23 March 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| High Tide | 2:51 AM(Mon 23 March) | 9.25 ft (2.82 m) |
| Low Tide | 9:12 AM(Mon 23 March) | -0.82 ft (-0.25 m) |
| High Tide | 3:31 PM(Mon 23 March) | 8.05 ft (2.45 m) |
| Low Tide | 9:24 PM(Mon 23 March) | 0.14 ft (0.04 m) |
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Tide Times for Portsmouth: Tuesday 24 March 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| High Tide | 3:43 AM(Tue 24 March) | 8.98 ft (2.74 m) |
| Low Tide | 10:08 AM(Tue 24 March) | -0.48 ft (-0.15 m) |
| High Tide | 4:30 PM(Tue 24 March) | 7.63 ft (2.33 m) |
| Low Tide | 10:21 PM(Tue 24 March) | 0.55 ft (0.17 m) |
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Tide Times for Portsmouth: Wednesday 25 March 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| High Tide | 4:44 AM(Wed 25 March) | 8.63 ft (2.63 m) |
| Low Tide | 11:12 AM(Wed 25 March) | -0.11 ft (-0.03 m) |
| High Tide | 5:37 PM(Wed 25 March) | 7.28 ft (2.22 m) |
| Low Tide | 11:26 PM(Wed 25 March) | 0.91 ft (0.28 m) |
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Tide Times for Portsmouth: Thursday 26 March 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| High Tide | 5:51 AM(Thu 26 March) | 8.3 ft (2.53 m) |
| Low Tide | 12:20 PM(Thu 26 March) | 0.18 ft (0.05 m) |
| High Tide | 6:48 PM(Thu 26 March) | 7.1 ft (2.16 m) |
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Tide Times for Portsmouth: Friday 27 March 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| Low Tide | 00:36 AM(Fri 27 March) | 1.11 ft (0.34 m) |
| High Tide | 7:03 AM(Fri 27 March) | 8.1 ft (2.47 m) |
| Low Tide | 1:33 PM(Fri 27 March) | 0.3 ft (0.09 m) |
| High Tide | 8:01 PM(Fri 27 March) | 7.16 ft (2.18 m) |
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Tide Times for Portsmouth: Saturday 28 March 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| Low Tide | 1:51 AM(Sat 28 March) | 1.07 ft (0.33 m) |
| High Tide | 8:18 AM(Sat 28 March) | 8.1 ft (2.47 m) |
| Low Tide | 2:43 PM(Sat 28 March) | 0.22 ft (0.07 m) |
| High Tide | 9:08 PM(Sat 28 March) | 7.45 ft (2.27 m) |
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Tide Times for Portsmouth: Sunday 29 March 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| Low Tide | 3:02 AM(Sun 29 March) | 0.78 ft (0.24 m) |
| High Tide | 9:25 AM(Sun 29 March) | 8.25 ft (2.51 m) |
| Low Tide | 3:42 PM(Sun 29 March) | 0.04 ft (0.01 m) |
| High Tide | 10:04 PM(Sun 29 March) | 7.84 ft (2.39 m) |
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Tide Times for Portsmouth: Monday 30 March 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| Low Tide | 4:01 AM(Mon 30 March) | 0.39 ft (0.12 m) |
| High Tide | 10:21 AM(Mon 30 March) | 8.41 ft (2.56 m) |
| Low Tide | 4:32 PM(Mon 30 March) | -0.09 ft (-0.03 m) |
| High Tide | 10:52 PM(Mon 30 March) | 8.21 ft (2.5 m) |
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Tide Times for Portsmouth: Tuesday 31 March 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| Low Tide | 4:53 AM(Tue 31 March) | 0.04 ft (0.01 m) |
| High Tide | 11:11 AM(Tue 31 March) | 8.49 ft (2.59 m) |
| Low Tide | 5:17 PM(Tue 31 March) | -0.13 ft (-0.04 m) |
| High Tide | 11:36 PM(Tue 31 March) | 8.47 ft (2.58 m) |
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Tide Times for Portsmouth: Wednesday 01 April 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| Low Tide | 5:40 AM(Wed 01 April) | -0.22 ft (-0.07 m) |
| High Tide | 11:58 AM(Wed 01 April) | 8.46 ft (2.58 m) |
| Low Tide | 5:59 PM(Wed 01 April) | -0.05 ft (-0.02 m) |
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Tide Times for Portsmouth: Thursday 02 April 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| High Tide | 00:16 AM(Thu 02 April) | 8.63 ft (2.63 m) |
| Low Tide | 6:24 AM(Thu 02 April) | -0.36 ft (-0.11 m) |
| High Tide | 12:41 PM(Thu 02 April) | 8.33 ft (2.54 m) |
| Low Tide | 6:37 PM(Thu 02 April) | 0.12 ft (0.04 m) |
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Tide Times for Portsmouth: Friday 03 April 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| High Tide | 00:53 AM(Fri 03 April) | 8.66 ft (2.64 m) |
| Low Tide | 7:04 AM(Fri 03 April) | -0.36 ft (-0.11 m) |
| High Tide | 1:21 PM(Fri 03 April) | 8.12 ft (2.47 m) |
| Low Tide | 7:13 PM(Fri 03 April) | 0.35 ft (0.11 m) |
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Tide Times for Portsmouth: Saturday 04 April 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| High Tide | 1:29 AM(Sat 04 April) | 8.59 ft (2.62 m) |
| Low Tide | 7:42 AM(Sat 04 April) | -0.24 ft (-0.07 m) |
| High Tide | 2:00 PM(Sat 04 April) | 7.85 ft (2.39 m) |
| Low Tide | 7:48 PM(Sat 04 April) | 0.63 ft (0.19 m) |
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Tide Times for Portsmouth: Sunday 05 April 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| High Tide | 2:04 AM(Sun 05 April) | 8.42 ft (2.57 m) |
| Low Tide | 8:19 AM(Sun 05 April) | -0.03 ft (-0.01 m) |
| High Tide | 2:38 PM(Sun 05 April) | 7.54 ft (2.3 m) |
| Low Tide | 8:24 PM(Sun 05 April) | 0.94 ft (0.29 m) |
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Tide Times for Portsmouth: Monday 06 April 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| High Tide | 2:39 AM(Mon 06 April) | 8.18 ft (2.49 m) |
| Low Tide | 8:58 AM(Mon 06 April) | 0.27 ft (0.08 m) |
| High Tide | 3:18 PM(Mon 06 April) | 7.2 ft (2.19 m) |
| Low Tide | 9:02 PM(Mon 06 April) | 1.25 ft (0.38 m) |
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Tide Times for Portsmouth: Tuesday 07 April 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| High Tide | 3:18 AM(Tue 07 April) | 7.9 ft (2.41 m) |
| Low Tide | 9:41 AM(Tue 07 April) | 0.59 ft (0.18 m) |
| High Tide | 4:03 PM(Tue 07 April) | 6.88 ft (2.1 m) |
| Low Tide | 9:46 PM(Tue 07 April) | 1.55 ft (0.47 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.
