Today's tide times for Gerrish Island, Portsmouth Harbor, New Hampshire
The predicted tide times today on Monday 13 April 2026 for Gerrish Island, Portsmouth Harbor are: first low tide at 2:05am, first high tide at 8:20am, second low tide at 2:37pm, second high tide at 8:55pm. Sunrise is at 6:04am and sunset is at 7:23pm.
Today's tide times for Gerrish Island, Portsmouth Harbor: Monday 13 April 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| Low Tide | 2:05 AM(Mon 13 April) | 1.57 ft (0.48 m) |
| High Tide | 8:20 AM(Mon 13 April) | 8.35 ft (2.55 m) |
| Low Tide | 2:37 PM(Mon 13 April) | 0.87 ft (0.27 m) |
| High Tide | 8:55 PM(Mon 13 April) | 8.22 ft (2.51 m) |
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Tide chart for Gerrish Island, Portsmouth HarborShowing low and high tide times for the next 30 days at Gerrish Island, Portsmouth Harbor. Tide Times are EDT (UTC -4.0hrs).
View Gerrish Island, Portsmouth Harbor 7 Day Tide Chart Image.


HIGH (EDT) |
LOW (EDT) |
| Sun |
Moon Set Rise |
| Wind |
Monday, 13 Apr | 14 Apr | 15 Apr | 16 Apr | 17 Apr | 18 Apr | 19 Apr | 20 Apr | 21 Apr | 22 Apr | 23 Apr | 24 Apr | 25 Apr | 26 Apr | 27 Apr | 28 Apr | 29 Apr | 30 Apr | 1 May | 2 May | 3 May | 4 May | 5 May | 6 May | 7 May | 8 May | 9 May | 10 May | 11 May | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | ||
8:20AM2.54m | 8:55PM2.51m | 9:12AM2.65m 9:39PM2.69m | 10:00AM2.77m 10:22PM2.89m | 10:47AM2.86m 11:04PM3.06m | 11:34AM2.92m 11:47PM3.20m | 12:21PM2.93m | 00:32AM3.27m 1:11PM2.89m | 1:20AM3.28m 2:03PM2.81m | 2:12AM3.22m 3:00PM2.71m | 3:09AM3.10m 4:01PM2.61m | 4:11AM2.96m 5:08PM2.54m | 5:20AM2.83m 6:17PM2.53m | 6:32AM2.74m 7:23PM2.57m | 7:42AM2.70m 8:24PM2.65m | 8:45AM2.70m 9:17PM2.75m | 9:41AM2.71m 10:04PM2.83m | 10:30AM2.71m 10:47PM2.87m | 11:15AM2.69m 11:24PM2.90m | 11:56AM2.65m | 00:00AM2.89m 12:35PM2.59m | 00:34AM2.86m 1:12PM2.53m | 1:09AM2.82m 1:50PM2.46m | 1:45AM2.76m 2:29PM2.39m | 2:25AM2.70m 3:10PM2.33m | 3:07AM2.63m 3:55PM2.29m | 3:54AM2.57m 4:42PM2.28m | 4:45AM2.52m 5:33PM2.31m | 5:39AM2.50m 6:25PM2.39m | 6:37AM2.51m 7:16PM2.51m | ||
2:05AM0.48m | 2:37PM0.27m | 2:58AM0.30m 3:23PM0.15m | 3:47AM0.11m 4:07PM0.04m | 4:34AM-0.09m 4:50PM-0.05m | 5:20AM-0.26m 5:33PM-0.11m | 6:07AM-0.37m 6:18PM-0.11m | 6:56AM-0.42m 7:06PM-0.07m | 7:47AM-0.40m 7:57PM0.01m | 8:42AM-0.31m 8:52PM0.12m | 9:40AM-0.19m 9:53PM0.24m | 10:44AM-0.06m 11:01PM0.33m | 11:51AM0.04m | 00:13AM0.36m 12:59PM0.10m | 1:24AM0.32m 2:01PM0.12m | 2:29AM0.23m 2:57PM0.12m | 3:26AM0.13m 3:46PM0.13m | 4:16AM0.05m 4:31PM0.16m | 5:02AM-0.01m 5:11PM0.20m | 5:43AM-0.03m 5:48PM0.25m | 6:22AM-0.02m 6:24PM0.31m | 6:59AM0.01m 6:59PM0.38m | 7:36AM0.07m 7:35PM0.44m | 8:13AM0.14m 8:14PM0.51m | 8:53AM0.21m 8:55PM0.56m | 9:36AM0.28m 9:41PM0.61m | 10:22AM0.33m 10:32PM0.62m | 11:11AM0.35m 11:27PM0.60m | 12:02PM0.35m | 00:25AM0.53m 12:55PM0.31m | ||
6:04AM | 7:23PM | 6:02AM 7:24PM | 6:00AM 7:25PM | 5:59AM 7:26PM | 5:57AM 7:27PM | 5:55AM 7:29PM | 5:54AM 7:30PM | 5:52AM 7:31PM | 5:51AM 7:32PM | 5:49AM 7:33PM | 5:48AM 7:34PM | 5:46AM 7:35PM | 5:45AM 7:37PM | 5:43AM 7:38PM | 5:42AM 7:39PM | 5:40AM 7:40PM | 5:39AM 7:41PM | 5:37AM 7:43PM | 5:36AM 7:44PM | 5:35AM 7:45PM | 5:33AM 7:46PM | 5:32AM 7:47PM | 5:31AM 7:48PM | 5:29AM 7:49PM | 5:28AM 7:50PM | 5:27AM 7:51PM | 5:26AM 7:53PM | 5:24AM 7:54PM | 5:23AM 7:55PM | ||
0.88% - (Waning Crescent) 4:12AM | 0.89% - (Waning Crescent) 3:07PM | 0.91% - (Waning Crescent) 4:18PM 4:33AM | 0.94% - (Waning Crescent) 5:32PM 4:54AM | 0.98% - (New Moon) 6:49PM 5:16AM | 0.03% - (Waxing Crescent) 8:09PM 5:40AM | 0.07% - (Waxing Crescent) 9:32PM 6:09AM | 0.1% - (Waxing Crescent) 10:54PM 6:46AM | 0.13% - (Waxing Crescent) 7:33AM | 0.17% - (Waxing Crescent) 00:08AM 8:32AM | 0.21% - (Waxing Crescent) 1:10AM 9:43AM | 0.24% - (First Quarter) 1:58AM 10:59AM | 0.28% - (First Quarter) 2:35AM 12:15PM | 0.31% - (Waxing Gibbous) 3:03AM 1:28PM | 0.35% - (Waxing Gibbous) 3:27AM 2:38PM | 0.38% - (Waxing Gibbous) 3:47AM 3:46PM | 0.42% - (Waxing Gibbous) 4:06AM 4:52PM | 0.45% - (Waxing Gibbous) 4:24AM 5:58PM | 0.49% - (Full Moon) 4:44AM 7:03PM | 0.53% - (Full Moon) 5:07AM 8:09PM | 0.56% - (Waning Gibbous) 5:33AM 9:15PM | 0.6% - (Waning Gibbous) 6:05AM 10:17PM | 0.63% - (Waning Gibbous) 6:44AM 11:15PM | 0.64% - (Waning Gibbous) 7:32AM | 0.67% - (Waning Gibbous) 8:27AM 00:05AM | 0.7% - (Waning Gibbous) 9:28AM 00:46AM | 0.74% - (Last Quarter) 10:34AM 1:21AM | 0.77% - (Last Quarter) 11:41AM 1:49AM | 0.8% - (Waning Crescent) 12:49PM 2:13AM | 0.84% - (Waning Crescent) 1:58PM 2:35AM | ||

Gerrish Island, Portsmouth Harbor tide chart key:
The tide chart above shows the height and times of high tide and low tide for Gerrish 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 Gerrish Island, Portsmouth Harbor.
Tide Times are EDT (UTC -4.0hrs). Last Spring High Tide at Gerrish Island, Portsmouth Harbor was on Thu 02 Apr (height: 2.90m 9.5ft). Next high Spring Tide at Gerrish Island, Portsmouth Harbor will be on Sun 19 Apr (height: 3.28m 10.8ft).
Gerrish Island, Portsmouth Harbor tide chart key: The tide chart above shows the height and times of high tide and low tide for Gerrish Island, Portsmouth Harbor, New Hampshire. The grey shading corresponds to nighttime hours between sunset and sunrise at Gerrish Island, Portsmouth Harbor.
Tide Times are EDT (UTC -4.0hrs). Last Spring High Tide at Gerrish Island, Portsmouth Harbor was on Thu 02 Apr (height: 2.90m 9.5ft). Next high Spring Tide at Gerrish Island, Portsmouth Harbor will be on Sun 19 Apr (height: 3.28m 10.8ft).
Gerrish Island, Portsmouth Harbor tide times for April and May
April and May Tide charts for Gerrish 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 Gerrish Island, Portsmouth Harbor (tomorrow): Tuesday 14 April 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| Low Tide | 2:58 AM(Tue 14 April) | 1.0 ft (0.3 m) |
| High Tide | 9:12 AM(Tue 14 April) | 8.71 ft (2.65 m) |
| Low Tide | 3:23 PM(Tue 14 April) | 0.49 ft (0.15 m) |
| High Tide | 9:39 PM(Tue 14 April) | 8.84 ft (2.69 m) |
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Tide Times for Gerrish Island, Portsmouth Harbor: Wednesday 15 April 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| Low Tide | 3:47 AM(Wed 15 April) | 0.35 ft (0.11 m) |
| High Tide | 10:00 AM(Wed 15 April) | 9.08 ft (2.77 m) |
| Low Tide | 4:07 PM(Wed 15 April) | 0.13 ft (0.04 m) |
| High Tide | 10:22 PM(Wed 15 April) | 9.48 ft (2.89 m) |
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Tide Times for Gerrish Island, Portsmouth Harbor: Thursday 16 April 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| Low Tide | 4:34 AM(Thu 16 April) | -0.29 ft (-0.09 m) |
| High Tide | 10:47 AM(Thu 16 April) | 9.39 ft (2.86 m) |
| Low Tide | 4:50 PM(Thu 16 April) | -0.17 ft (-0.05 m) |
| High Tide | 11:04 PM(Thu 16 April) | 10.05 ft (3.06 m) |
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Tide Times for Gerrish Island, Portsmouth Harbor: Friday 17 April 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| Low Tide | 5:20 AM(Fri 17 April) | -0.84 ft (-0.26 m) |
| High Tide | 11:34 AM(Fri 17 April) | 9.58 ft (2.92 m) |
| Low Tide | 5:33 PM(Fri 17 April) | -0.35 ft (-0.11 m) |
| High Tide | 11:47 PM(Fri 17 April) | 10.49 ft (3.2 m) |
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Tide Times for Gerrish Island, Portsmouth Harbor: Saturday 18 April 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| Low Tide | 6:07 AM(Sat 18 April) | -1.22 ft (-0.37 m) |
| High Tide | 12:21 PM(Sat 18 April) | 9.62 ft (2.93 m) |
| Low Tide | 6:18 PM(Sat 18 April) | -0.37 ft (-0.11 m) |
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Tide Times for Gerrish Island, Portsmouth Harbor: Sunday 19 April 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| High Tide | 00:32 AM(Sun 19 April) | 10.74 ft (3.27 m) |
| Low Tide | 6:56 AM(Sun 19 April) | -1.38 ft (-0.42 m) |
| High Tide | 1:11 PM(Sun 19 April) | 9.49 ft (2.89 m) |
| Low Tide | 7:06 PM(Sun 19 April) | -0.23 ft (-0.07 m) |
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Tide Times for Gerrish Island, Portsmouth Harbor: Monday 20 April 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| High Tide | 1:20 AM(Mon 20 April) | 10.75 ft (3.28 m) |
| Low Tide | 7:47 AM(Mon 20 April) | -1.3 ft (-0.4 m) |
| High Tide | 2:03 PM(Mon 20 April) | 9.23 ft (2.81 m) |
| Low Tide | 7:57 PM(Mon 20 April) | 0.04 ft (0.01 m) |
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Tide Times for Gerrish Island, Portsmouth Harbor: Tuesday 21 April 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| High Tide | 2:12 AM(Tue 21 April) | 10.55 ft (3.22 m) |
| Low Tide | 8:42 AM(Tue 21 April) | -1.02 ft (-0.31 m) |
| High Tide | 3:00 PM(Tue 21 April) | 8.89 ft (2.71 m) |
| Low Tide | 8:52 PM(Tue 21 April) | 0.41 ft (0.12 m) |
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Tide Times for Gerrish Island, Portsmouth Harbor: Wednesday 22 April 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| High Tide | 3:09 AM(Wed 22 April) | 10.17 ft (3.1 m) |
| Low Tide | 9:40 AM(Wed 22 April) | -0.62 ft (-0.19 m) |
| High Tide | 4:01 PM(Wed 22 April) | 8.56 ft (2.61 m) |
| Low Tide | 9:53 PM(Wed 22 April) | 0.79 ft (0.24 m) |
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Tide Times for Gerrish Island, Portsmouth Harbor: Thursday 23 April 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| High Tide | 4:11 AM(Thu 23 April) | 9.71 ft (2.96 m) |
| Low Tide | 10:44 AM(Thu 23 April) | -0.2 ft (-0.06 m) |
| High Tide | 5:08 PM(Thu 23 April) | 8.33 ft (2.54 m) |
| Low Tide | 11:01 PM(Thu 23 April) | 1.08 ft (0.33 m) |
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Tide Times for Gerrish Island, Portsmouth Harbor: Friday 24 April 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| High Tide | 5:20 AM(Fri 24 April) | 9.28 ft (2.83 m) |
| Low Tide | 11:51 AM(Fri 24 April) | 0.14 ft (0.04 m) |
| High Tide | 6:17 PM(Fri 24 April) | 8.29 ft (2.53 m) |
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Tide Times for Gerrish Island, Portsmouth Harbor: Saturday 25 April 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| Low Tide | 00:13 AM(Sat 25 April) | 1.18 ft (0.36 m) |
| High Tide | 6:32 AM(Sat 25 April) | 8.99 ft (2.74 m) |
| Low Tide | 12:59 PM(Sat 25 April) | 0.33 ft (0.1 m) |
| High Tide | 7:23 PM(Sat 25 April) | 8.44 ft (2.57 m) |
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Tide Times for Gerrish Island, Portsmouth Harbor: Sunday 26 April 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| Low Tide | 1:24 AM(Sun 26 April) | 1.06 ft (0.32 m) |
| High Tide | 7:42 AM(Sun 26 April) | 8.87 ft (2.7 m) |
| Low Tide | 2:01 PM(Sun 26 April) | 0.4 ft (0.12 m) |
| High Tide | 8:24 PM(Sun 26 April) | 8.71 ft (2.65 m) |
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Tide Times for Gerrish Island, Portsmouth Harbor: Monday 27 April 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| Low Tide | 2:29 AM(Mon 27 April) | 0.77 ft (0.23 m) |
| High Tide | 8:45 AM(Mon 27 April) | 8.87 ft (2.7 m) |
| Low Tide | 2:57 PM(Mon 27 April) | 0.41 ft (0.12 m) |
| High Tide | 9:17 PM(Mon 27 April) | 9.01 ft (2.75 m) |
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Tide Times for Gerrish Island, Portsmouth Harbor: Tuesday 28 April 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| Low Tide | 3:26 AM(Tue 28 April) | 0.44 ft (0.13 m) |
| High Tide | 9:41 AM(Tue 28 April) | 8.89 ft (2.71 m) |
| Low Tide | 3:46 PM(Tue 28 April) | 0.43 ft (0.13 m) |
| High Tide | 10:04 PM(Tue 28 April) | 9.27 ft (2.83 m) |
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Tide Times for Gerrish Island, Portsmouth Harbor: Wednesday 29 April 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| Low Tide | 4:16 AM(Wed 29 April) | 0.15 ft (0.05 m) |
| High Tide | 10:30 AM(Wed 29 April) | 8.88 ft (2.71 m) |
| Low Tide | 4:31 PM(Wed 29 April) | 0.51 ft (0.16 m) |
| High Tide | 10:47 PM(Wed 29 April) | 9.43 ft (2.87 m) |
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Tide Times for Gerrish Island, Portsmouth Harbor: Thursday 30 April 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| Low Tide | 5:02 AM(Thu 30 April) | -0.03 ft (-0.01 m) |
| High Tide | 11:15 AM(Thu 30 April) | 8.81 ft (2.69 m) |
| Low Tide | 5:11 PM(Thu 30 April) | 0.64 ft (0.2 m) |
| High Tide | 11:24 PM(Thu 30 April) | 9.5 ft (2.9 m) |
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Tide Times for Gerrish Island, Portsmouth Harbor: Friday 01 May 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| Low Tide | 5:43 AM(Fri 01 May) | -0.11 ft (-0.03 m) |
| High Tide | 11:56 AM(Fri 01 May) | 8.68 ft (2.65 m) |
| Low Tide | 5:48 PM(Fri 01 May) | 0.82 ft (0.25 m) |
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Tide Times for Gerrish Island, Portsmouth Harbor: Saturday 02 May 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| High Tide | 00:00 AM(Sat 02 May) | 9.48 ft (2.89 m) |
| Low Tide | 6:22 AM(Sat 02 May) | -0.08 ft (-0.02 m) |
| High Tide | 12:35 PM(Sat 02 May) | 8.5 ft (2.59 m) |
| Low Tide | 6:24 PM(Sat 02 May) | 1.03 ft (0.31 m) |
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Tide Times for Gerrish Island, Portsmouth Harbor: Sunday 03 May 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| High Tide | 00:34 AM(Sun 03 May) | 9.39 ft (2.86 m) |
| Low Tide | 6:59 AM(Sun 03 May) | 0.04 ft (0.01 m) |
| High Tide | 1:12 PM(Sun 03 May) | 8.29 ft (2.53 m) |
| Low Tide | 6:59 PM(Sun 03 May) | 1.25 ft (0.38 m) |
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Tide Times for Gerrish Island, Portsmouth Harbor: Monday 04 May 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| High Tide | 1:09 AM(Mon 04 May) | 9.25 ft (2.82 m) |
| Low Tide | 7:36 AM(Mon 04 May) | 0.23 ft (0.07 m) |
| High Tide | 1:50 PM(Mon 04 May) | 8.06 ft (2.46 m) |
| Low Tide | 7:35 PM(Mon 04 May) | 1.46 ft (0.44 m) |
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Tide Times for Gerrish Island, Portsmouth Harbor: Tuesday 05 May 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| High Tide | 1:45 AM(Tue 05 May) | 9.07 ft (2.76 m) |
| Low Tide | 8:13 AM(Tue 05 May) | 0.45 ft (0.14 m) |
| High Tide | 2:29 PM(Tue 05 May) | 7.84 ft (2.39 m) |
| Low Tide | 8:14 PM(Tue 05 May) | 1.67 ft (0.51 m) |
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Tide Times for Gerrish Island, Portsmouth Harbor: Wednesday 06 May 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| High Tide | 2:25 AM(Wed 06 May) | 8.86 ft (2.7 m) |
| Low Tide | 8:53 AM(Wed 06 May) | 0.69 ft (0.21 m) |
| High Tide | 3:10 PM(Wed 06 May) | 7.65 ft (2.33 m) |
| Low Tide | 8:55 PM(Wed 06 May) | 1.85 ft (0.56 m) |
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Tide Times for Gerrish Island, Portsmouth Harbor: Thursday 07 May 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| High Tide | 3:07 AM(Thu 07 May) | 8.64 ft (2.63 m) |
| Low Tide | 9:36 AM(Thu 07 May) | 0.91 ft (0.28 m) |
| High Tide | 3:55 PM(Thu 07 May) | 7.52 ft (2.29 m) |
| Low Tide | 9:41 PM(Thu 07 May) | 1.99 ft (0.61 m) |
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Tide Times for Gerrish Island, Portsmouth Harbor: Friday 08 May 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| High Tide | 3:54 AM(Fri 08 May) | 8.44 ft (2.57 m) |
| Low Tide | 10:22 AM(Fri 08 May) | 1.07 ft (0.33 m) |
| High Tide | 4:42 PM(Fri 08 May) | 7.49 ft (2.28 m) |
| Low Tide | 10:32 PM(Fri 08 May) | 2.05 ft (0.62 m) |
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Tide Times for Gerrish Island, Portsmouth Harbor: Saturday 09 May 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| High Tide | 4:45 AM(Sat 09 May) | 8.28 ft (2.52 m) |
| Low Tide | 11:11 AM(Sat 09 May) | 1.16 ft (0.35 m) |
| High Tide | 5:33 PM(Sat 09 May) | 7.58 ft (2.31 m) |
| Low Tide | 11:27 PM(Sat 09 May) | 1.98 ft (0.6 m) |
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Tide Times for Gerrish Island, Portsmouth Harbor: Sunday 10 May 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| High Tide | 5:39 AM(Sun 10 May) | 8.21 ft (2.5 m) |
| Low Tide | 12:02 PM(Sun 10 May) | 1.14 ft (0.35 m) |
| High Tide | 6:25 PM(Sun 10 May) | 7.84 ft (2.39 m) |
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Tide Times for Gerrish Island, Portsmouth Harbor: Monday 11 May 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| Low Tide | 00:25 AM(Mon 11 May) | 1.75 ft (0.53 m) |
| High Tide | 6:37 AM(Mon 11 May) | 8.24 ft (2.51 m) |
| Low Tide | 12:55 PM(Mon 11 May) | 1.02 ft (0.31 m) |
| High Tide | 7:16 PM(Mon 11 May) | 8.25 ft (2.51 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.
