Today's tide times for Boston, Massachusetts
The predicted tide times today on Wednesday 19 August 2026 for Boston are: first high tide at 4:45am, first low tide at 10:45am, second high tide at 5:04pm, second low tide at 11:26pm. Sunrise is at 5:55am and sunset is at 7:39pm.
Today's tide times for Boston: Wednesday 19 August 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| High Tide | 4:45 AM(Wed 19 August) | 8.91 ft (2.72 m) |
| Low Tide | 10:45 AM(Wed 19 August) | 1.38 ft (0.42 m) |
| High Tide | 5:04 PM(Wed 19 August) | 9.6 ft (2.93 m) |
| Low Tide | 11:26 PM(Wed 19 August) | 1.17 ft (0.36 m) |
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Tide chart for BostonShowing low and high tide times for the next 30 days at Boston. Tide Times are EDT (UTC -4.0hrs).
View Boston 7 Day Tide Chart Image.


HIGH (EDT) |
LOW (EDT) |
| Sun |
Moon Set Rise |
| Wind |
Wednesday, 19 Aug | 20 Aug | 21 Aug | 22 Aug | 23 Aug | 24 Aug | 25 Aug | 26 Aug | 27 Aug | 28 Aug | 29 Aug | 30 Aug | 31 Aug | 1 Sep | 2 Sep | 3 Sep | 4 Sep | 5 Sep | 6 Sep | 7 Sep | 8 Sep | 9 Sep | 10 Sep | 11 Sep | 12 Sep | 13 Sep | 14 Sep | 15 Sep | 16 Sep | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AM | PM | 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 | Wed | ||
4:45AM2.72m | 5:04PM2.93m | 5:40AM2.55m 5:57PM2.83m | 6:39AM2.44m 6:53PM2.77m | 7:39AM2.39m 7:51PM2.76m | 8:38AM2.40m 8:47PM2.81m | 9:31AM2.47m 9:39PM2.89m | 10:18AM2.57m 10:25PM2.98m | 11:00AM2.69m 11:08PM3.06m | 11:39AM2.81m 11:47PM3.12m | 12:15PM2.93m | 00:26AM3.16m 12:51PM3.04m | 1:06AM3.17m 1:27PM3.13m | 1:46AM3.14m 2:06PM3.20m | 2:30AM3.08m 2:47PM3.24m | 3:16AM2.98m 3:33PM3.24m | 4:08AM2.86m 4:24PM3.21m | 5:06AM2.74m 5:22PM3.17m | 6:09AM2.66m 6:26PM3.15m | 7:16AM2.65m 7:33PM3.16m | 8:23AM2.71m 8:39PM3.22m | 9:26AM2.84m 9:42PM3.29m | 10:22AM2.99m 10:39PM3.36m | 11:13AM3.13m 11:31PM3.38m | 11:59AM3.24m | 00:19AM3.34m 12:43PM3.29m | 1:06AM3.26m 1:25PM3.29m | 1:50AM3.13m 2:06PM3.23m | 2:35AM2.97m 2:49PM3.13m | 3:22AM2.80m 3:33PM3.01m | ||
10:45AM0.42m | 11:26PM0.36m | 11:37AM0.58m | 00:24AM0.46m 12:32PM0.68m | 1:24AM0.51m 1:29PM0.72m | 2:24AM0.49m 2:26PM0.69m | 3:18AM0.43m 3:19PM0.62m | 4:05AM0.34m 4:07PM0.51m | 4:46AM0.23m 4:52PM0.39m | 5:25AM0.14m 5:33PM0.27m | 6:02AM0.05m 6:15PM0.16m | 6:39AM-0.00m 6:55PM0.06m | 7:17AM-0.03m 7:37PM-0.01m | 7:56AM-0.02m 8:21PM-0.05m | 8:38AM0.03m 9:07PM-0.05m | 9:23AM0.12m 9:58PM-0.01m | 10:12AM0.22m 10:55PM0.05m | 11:08AM0.32m 11:56PM0.10m | 12:10PM0.39m | 1:01AM0.12m 1:15PM0.39m | 2:07AM0.08m 2:21PM0.32m | 3:09AM-0.00m 3:23PM0.20m | 4:06AM-0.10m 4:21PM0.05m | 4:58AM-0.17m 5:15PM-0.07m | 5:45AM-0.20m 6:04PM-0.15m | 6:29AM-0.16m 6:52PM-0.17m | 7:12AM-0.08m 7:37PM-0.13m | 7:54AM0.05m 8:22PM-0.04m | 8:36AM0.21m 9:08PM0.09m | 9:20AM0.38m 9:56PM0.24m | ||
5:55AM | 7:39PM | 5:56AM 7:37PM | 5:57AM 7:36PM | 5:58AM 7:34PM | 5:59AM 7:32PM | 6:00AM 7:31PM | 6:02AM 7:29PM | 6:03AM 7:28PM | 6:04AM 7:26PM | 6:05AM 7:24PM | 6:06AM 7:23PM | 6:07AM 7:21PM | 6:08AM 7:19PM | 6:09AM 7:18PM | 6:10AM 7:16PM | 6:11AM 7:14PM | 6:12AM 7:12PM | 6:13AM 7:11PM | 6:14AM 7:09PM | 6:15AM 7:07PM | 6:16AM 7:06PM | 6:17AM 7:04PM | 6:18AM 7:02PM | 6:19AM 7:00PM | 6:21AM 6:59PM | 6:22AM 6:57PM | 6:23AM 6:55PM | 6:24AM 6:53PM | 6:25AM 6:52PM | ||
0.25% - (First Quarter) 1:40PM | 0.26% - (First Quarter) 10:44PM | 0.28% - (Waxing Gibbous) 11:22PM 2:43PM | 0.32% - (Waxing Gibbous) 3:42PM | 0.35% - (Waxing Gibbous) 00:07AM 4:35PM | 0.39% - (Waxing Gibbous) 1:00AM 5:19PM | 0.42% - (Waxing Gibbous) 2:00AM 5:56PM | 0.45% - (Waxing Gibbous) 3:05AM 6:27PM | 0.49% - (Full Moon) 4:11AM 6:52PM | 0.52% - (Full Moon) 5:19AM 7:15PM | 0.56% - (Waning Gibbous) 6:26AM 7:36PM | 0.59% - (Waning Gibbous) 7:34AM 7:56PM | 0.63% - (Waning Gibbous) 8:42AM 8:17PM | 0.66% - (Waning Gibbous) 9:53AM 8:40PM | 0.7% - (Waning Gibbous) 11:06AM 9:08PM | 0.73% - (Last Quarter) 12:22PM 9:42PM | 0.77% - (Last Quarter) 1:38PM 10:25PM | 0.8% - (Waning Crescent) 2:50PM 11:21PM | 0.82% - (Waning Crescent) 3:52PM | 0.84% - (Waning Crescent) 4:43PM 00:29AM | 0.87% - (Waning Crescent) 5:23PM 1:45AM | 0.91% - (Waning Crescent) 5:55PM 3:03AM | 0.94% - (Waning Crescent) 6:21PM 4:21AM | 0.98% - (New Moon) 6:44PM 5:36AM | 0.03% - (Waxing Crescent) 7:05PM 6:48AM | 0.07% - (Waxing Crescent) 7:26PM 7:59AM | 0.1% - (Waxing Crescent) 7:49PM 9:08AM | 0.14% - (Waxing Crescent) 8:14PM 10:16AM | 0.17% - (Waxing Crescent) 8:43PM 11:24AM | 0.21% - (Waxing Crescent) 9:18PM 12:29PM | ||

Boston tide chart key:
The tide chart above shows the height and times of high tide and low tide for Boston, Massachusetts. The red flashing dot shows the tide time right now. The grey shading corresponds to nighttime hours between sunset and sunrise at Boston.
Tide Times are EDT (UTC -4.0hrs). Last Spring High Tide at Boston was on Wed 12 Aug (height: 3.53m 11.6ft). Next high Spring Tide at Boston will be on Tue 01 Sep (height: 3.24m 10.6ft).
Boston tide chart key: The tide chart above shows the height and times of high tide and low tide for Boston, Massachusetts. The grey shading corresponds to nighttime hours between sunset and sunrise at Boston.
Tide Times are EDT (UTC -4.0hrs). Last Spring High Tide at Boston was on Wed 12 Aug (height: 3.53m 11.6ft). Next high Spring Tide at Boston will be on Tue 01 Sep (height: 3.24m 10.6ft).
Boston tide times for August and September
August and September Tide charts for Boston: The tide charts below show the height, time and date of high and low tides for the next 30 days.
Tide Times for Boston (tomorrow): Thursday 20 August 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| High Tide | 5:40 AM(Thu 20 August) | 8.37 ft (2.55 m) |
| Low Tide | 11:37 AM(Thu 20 August) | 1.89 ft (0.58 m) |
| High Tide | 5:57 PM(Thu 20 August) | 9.28 ft (2.83 m) |
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Tide Times for Boston: Friday 21 August 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| Low Tide | 00:24 AM(Fri 21 August) | 1.5 ft (0.46 m) |
| High Tide | 6:39 AM(Fri 21 August) | 8.0 ft (2.44 m) |
| Low Tide | 12:32 PM(Fri 21 August) | 2.24 ft (0.68 m) |
| High Tide | 6:53 PM(Fri 21 August) | 9.09 ft (2.77 m) |
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Tide Times for Boston: Saturday 22 August 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| Low Tide | 1:24 AM(Sat 22 August) | 1.66 ft (0.51 m) |
| High Tide | 7:39 AM(Sat 22 August) | 7.83 ft (2.39 m) |
| Low Tide | 1:29 PM(Sat 22 August) | 2.37 ft (0.72 m) |
| High Tide | 7:51 PM(Sat 22 August) | 9.07 ft (2.76 m) |
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Tide Times for Boston: Sunday 23 August 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| Low Tide | 2:24 AM(Sun 23 August) | 1.62 ft (0.49 m) |
| High Tide | 8:38 AM(Sun 23 August) | 7.88 ft (2.4 m) |
| Low Tide | 2:26 PM(Sun 23 August) | 2.28 ft (0.69 m) |
| High Tide | 8:47 PM(Sun 23 August) | 9.22 ft (2.81 m) |
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Tide Times for Boston: Monday 24 August 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| Low Tide | 3:18 AM(Mon 24 August) | 1.41 ft (0.43 m) |
| High Tide | 9:31 AM(Mon 24 August) | 8.1 ft (2.47 m) |
| Low Tide | 3:19 PM(Mon 24 August) | 2.03 ft (0.62 m) |
| High Tide | 9:39 PM(Mon 24 August) | 9.47 ft (2.89 m) |
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Tide Times for Boston: Tuesday 25 August 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| Low Tide | 4:05 AM(Tue 25 August) | 1.11 ft (0.34 m) |
| High Tide | 10:18 AM(Tue 25 August) | 8.43 ft (2.57 m) |
| Low Tide | 4:07 PM(Tue 25 August) | 1.68 ft (0.51 m) |
| High Tide | 10:25 PM(Tue 25 August) | 9.77 ft (2.98 m) |
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Tide Times for Boston: Wednesday 26 August 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| Low Tide | 4:46 AM(Wed 26 August) | 0.77 ft (0.23 m) |
| High Tide | 11:00 AM(Wed 26 August) | 8.81 ft (2.69 m) |
| Low Tide | 4:52 PM(Wed 26 August) | 1.29 ft (0.39 m) |
| High Tide | 11:08 PM(Wed 26 August) | 10.04 ft (3.06 m) |
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Tide Times for Boston: Thursday 27 August 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| Low Tide | 5:25 AM(Thu 27 August) | 0.45 ft (0.14 m) |
| High Tide | 11:39 AM(Thu 27 August) | 9.21 ft (2.81 m) |
| Low Tide | 5:33 PM(Thu 27 August) | 0.9 ft (0.27 m) |
| High Tide | 11:47 PM(Thu 27 August) | 10.25 ft (3.12 m) |
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Tide Times for Boston: Friday 28 August 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| Low Tide | 6:02 AM(Fri 28 August) | 0.18 ft (0.05 m) |
| High Tide | 12:15 PM(Fri 28 August) | 9.61 ft (2.93 m) |
| Low Tide | 6:15 PM(Fri 28 August) | 0.53 ft (0.16 m) |
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Tide Times for Boston: Saturday 29 August 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| High Tide | 00:26 AM(Sat 29 August) | 10.37 ft (3.16 m) |
| Low Tide | 6:39 AM(Sat 29 August) | -0.01 ft (-0.0 m) |
| High Tide | 12:51 PM(Sat 29 August) | 9.97 ft (3.04 m) |
| Low Tide | 6:55 PM(Sat 29 August) | 0.21 ft (0.06 m) |
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Tide Times for Boston: Sunday 30 August 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| High Tide | 1:06 AM(Sun 30 August) | 10.4 ft (3.17 m) |
| Low Tide | 7:17 AM(Sun 30 August) | -0.1 ft (-0.03 m) |
| High Tide | 1:27 PM(Sun 30 August) | 10.28 ft (3.13 m) |
| Low Tide | 7:37 PM(Sun 30 August) | -0.03 ft (-0.01 m) |
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Tide Times for Boston: Monday 31 August 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| High Tide | 1:46 AM(Mon 31 August) | 10.31 ft (3.14 m) |
| Low Tide | 7:56 AM(Mon 31 August) | -0.06 ft (-0.02 m) |
| High Tide | 2:06 PM(Mon 31 August) | 10.51 ft (3.2 m) |
| Low Tide | 8:21 PM(Mon 31 August) | -0.16 ft (-0.05 m) |
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Tide Times for Boston: Tuesday 01 September 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| High Tide | 2:30 AM(Tue 01 September) | 10.1 ft (3.08 m) |
| Low Tide | 8:38 AM(Tue 01 September) | 0.11 ft (0.03 m) |
| High Tide | 2:47 PM(Tue 01 September) | 10.63 ft (3.24 m) |
| Low Tide | 9:07 PM(Tue 01 September) | -0.16 ft (-0.05 m) |
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Tide Times for Boston: Wednesday 02 September 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| High Tide | 3:16 AM(Wed 02 September) | 9.78 ft (2.98 m) |
| Low Tide | 9:23 AM(Wed 02 September) | 0.39 ft (0.12 m) |
| High Tide | 3:33 PM(Wed 02 September) | 10.64 ft (3.24 m) |
| Low Tide | 9:58 PM(Wed 02 September) | -0.04 ft (-0.01 m) |
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Tide Times for Boston: Thursday 03 September 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| High Tide | 4:08 AM(Thu 03 September) | 9.39 ft (2.86 m) |
| Low Tide | 10:12 AM(Thu 03 September) | 0.73 ft (0.22 m) |
| High Tide | 4:24 PM(Thu 03 September) | 10.54 ft (3.21 m) |
| Low Tide | 10:55 PM(Thu 03 September) | 0.16 ft (0.05 m) |
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Tide Times for Boston: Friday 04 September 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| High Tide | 5:06 AM(Fri 04 September) | 9.0 ft (2.74 m) |
| Low Tide | 11:08 AM(Fri 04 September) | 1.06 ft (0.32 m) |
| High Tide | 5:22 PM(Fri 04 September) | 10.4 ft (3.17 m) |
| Low Tide | 11:56 PM(Fri 04 September) | 0.34 ft (0.1 m) |
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Tide Times for Boston: Saturday 05 September 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| High Tide | 6:09 AM(Sat 05 September) | 8.73 ft (2.66 m) |
| Low Tide | 12:10 PM(Sat 05 September) | 1.28 ft (0.39 m) |
| High Tide | 6:26 PM(Sat 05 September) | 10.32 ft (3.15 m) |
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Tide Times for Boston: Sunday 06 September 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| Low Tide | 1:01 AM(Sun 06 September) | 0.4 ft (0.12 m) |
| High Tide | 7:16 AM(Sun 06 September) | 8.68 ft (2.65 m) |
| Low Tide | 1:15 PM(Sun 06 September) | 1.29 ft (0.39 m) |
| High Tide | 7:33 PM(Sun 06 September) | 10.36 ft (3.16 m) |
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Tide Times for Boston: Monday 07 September 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| Low Tide | 2:07 AM(Mon 07 September) | 0.26 ft (0.08 m) |
| High Tide | 8:23 AM(Mon 07 September) | 8.9 ft (2.71 m) |
| Low Tide | 2:21 PM(Mon 07 September) | 1.06 ft (0.32 m) |
| High Tide | 8:39 PM(Mon 07 September) | 10.55 ft (3.22 m) |
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Tide Times for Boston: Tuesday 08 September 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| Low Tide | 3:09 AM(Tue 08 September) | -0.01 ft (-0.0 m) |
| High Tide | 9:26 AM(Tue 08 September) | 9.32 ft (2.84 m) |
| Low Tide | 3:23 PM(Tue 08 September) | 0.65 ft (0.2 m) |
| High Tide | 9:42 PM(Tue 08 September) | 10.8 ft (3.29 m) |
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Tide Times for Boston: Wednesday 09 September 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| Low Tide | 4:06 AM(Wed 09 September) | -0.33 ft (-0.1 m) |
| High Tide | 10:22 AM(Wed 09 September) | 9.82 ft (2.99 m) |
| Low Tide | 4:21 PM(Wed 09 September) | 0.18 ft (0.05 m) |
| High Tide | 10:39 PM(Wed 09 September) | 11.01 ft (3.36 m) |
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Tide Times for Boston: Thursday 10 September 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| Low Tide | 4:58 AM(Thu 10 September) | -0.56 ft (-0.17 m) |
| High Tide | 11:13 AM(Thu 10 September) | 10.28 ft (3.13 m) |
| Low Tide | 5:15 PM(Thu 10 September) | -0.22 ft (-0.07 m) |
| High Tide | 11:31 PM(Thu 10 September) | 11.08 ft (3.38 m) |
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Tide Times for Boston: Friday 11 September 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| Low Tide | 5:45 AM(Fri 11 September) | -0.64 ft (-0.2 m) |
| High Tide | 11:59 AM(Fri 11 September) | 10.63 ft (3.24 m) |
| Low Tide | 6:04 PM(Fri 11 September) | -0.48 ft (-0.15 m) |
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Tide Times for Boston: Saturday 12 September 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| High Tide | 00:19 AM(Sat 12 September) | 10.97 ft (3.34 m) |
| Low Tide | 6:29 AM(Sat 12 September) | -0.53 ft (-0.16 m) |
| High Tide | 12:43 PM(Sat 12 September) | 10.8 ft (3.29 m) |
| Low Tide | 6:52 PM(Sat 12 September) | -0.55 ft (-0.17 m) |
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Tide Times for Boston: Sunday 13 September 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| High Tide | 1:06 AM(Sun 13 September) | 10.69 ft (3.26 m) |
| Low Tide | 7:12 AM(Sun 13 September) | -0.25 ft (-0.08 m) |
| High Tide | 1:25 PM(Sun 13 September) | 10.78 ft (3.29 m) |
| Low Tide | 7:37 PM(Sun 13 September) | -0.42 ft (-0.13 m) |
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Tide Times for Boston: Monday 14 September 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| High Tide | 1:50 AM(Mon 14 September) | 10.27 ft (3.13 m) |
| Low Tide | 7:54 AM(Mon 14 September) | 0.17 ft (0.05 m) |
| High Tide | 2:06 PM(Mon 14 September) | 10.59 ft (3.23 m) |
| Low Tide | 8:22 PM(Mon 14 September) | -0.12 ft (-0.04 m) |
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Tide Times for Boston: Tuesday 15 September 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| High Tide | 2:35 AM(Tue 15 September) | 9.76 ft (2.97 m) |
| Low Tide | 8:36 AM(Tue 15 September) | 0.69 ft (0.21 m) |
| High Tide | 2:49 PM(Tue 15 September) | 10.27 ft (3.13 m) |
| Low Tide | 9:08 PM(Tue 15 September) | 0.3 ft (0.09 m) |
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Tide Times for Boston: Wednesday 16 September 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| High Tide | 3:22 AM(Wed 16 September) | 9.2 ft (2.8 m) |
| Low Tide | 9:20 AM(Wed 16 September) | 1.24 ft (0.38 m) |
| High Tide | 3:33 PM(Wed 16 September) | 9.87 ft (3.01 m) |
| Low Tide | 9:56 PM(Wed 16 September) | 0.79 ft (0.24 m) |
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NOTE: Use of this site for Boston, Massachusetts tide times is subject to our terms.
NOTE: We do not accept responsibility for any amendments or changes to the data whilst it is displayed / printed from our website.
