Today's tide times for Mount Sinai Harbor, Long Island Sound, New York
The predicted tide times today on Friday 18 September 2026 for Mount Sinai are: first high tide at 5:05am, first low tide at 11:27am, second high tide at 5:26pm. Sunrise is at 6:35am and sunset is at 6:56pm.
Today's tide times for Mount Sinai: Friday 18 September 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| High Tide | 5:05 AM(Fri 18 September) | 5.22 ft (1.59 m) |
| Low Tide | 11:27 AM(Fri 18 September) | 1.44 ft (0.44 m) |
| High Tide | 5:26 PM(Fri 18 September) | 5.85 ft (1.78 m) |
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Tide chart for Mount SinaiShowing low and high tide times for the next 30 days at Mount Sinai. Tide Times are EDT (UTC -4.0hrs).
View Mount Sinai 7 Day Tide Chart Image.


HIGH (EDT) |
LOW (EDT) |
| Sun |
Moon Set Rise |
| Wind |
Friday, 18 Sep | 19 Sep | 20 Sep | 21 Sep | 22 Sep | 23 Sep | 24 Sep | 25 Sep | 26 Sep | 27 Sep | 28 Sep | 29 Sep | 30 Sep | 1 Oct | 2 Oct | 3 Oct | 4 Oct | 5 Oct | 6 Oct | 7 Oct | 8 Oct | 9 Oct | 10 Oct | 11 Oct | 12 Oct | 13 Oct | 14 Oct | 15 Oct | 16 Oct | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AM | PM | 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 | Thu | Fri | ||
5:05AM1.59m | 5:26PM1.78m | 6:03AM1.59m 6:23PM1.77m | 7:01AM1.63m 7:20PM1.80m | 7:56AM1.69m 8:14PM1.84m | 8:45AM1.78m 9:03PM1.90m | 9:30AM1.88m 9:48PM1.95m | 10:11AM1.97m 10:30PM1.99m | 10:50AM2.05m 11:11PM2.01m | 11:29AM2.11m 11:51PM2.01m | 12:08PM2.15m | 00:32AM1.99m 12:48PM2.18m | 1:15AM1.94m 1:31PM2.17m | 2:01AM1.88m 2:19PM2.12m | 2:53AM1.80m 3:12PM2.05m | 3:51AM1.73m 4:13PM1.98m | 4:57AM1.68m 5:22PM1.90m | 6:09AM1.68m 6:35PM1.88m | 7:20AM1.74m 7:46PM1.89m | 8:24AM1.84m 8:51PM1.93m | 9:21AM1.94m 9:47PM1.96m | 10:11AM2.03m 10:38PM1.98m | 10:57AM2.09m 11:24PM1.96m | 11:40AM2.11m | 00:07AM1.92m 12:20PM2.10m | 00:48AM1.87m 1:00PM2.06m | 1:28AM1.81m 1:40PM2.01m | 2:09AM1.75m 2:21PM1.95m | 2:51AM1.70m 3:04PM1.89m | 3:36AM1.66m 3:50PM1.83m | ||
11:27AM0.44m | 00:12AM0.37m 12:25PM0.48m | 1:09AM0.39m 1:25PM0.48m | 2:03AM0.36m 2:20PM0.43m | 2:52AM0.30m 3:11PM0.35m | 3:38AM0.23m 3:57PM0.24m | 4:19AM0.15m 4:39PM0.12m | 4:58AM0.07m 5:20PM0.02m | 5:36AM0.01m 6:01PM-0.06m | 6:14AM-0.02m 6:42PM-0.12m | 6:52AM-0.03m 7:25PM-0.13m | 7:33AM0.00m 8:11PM-0.10m | 8:18AM0.07m 9:01PM-0.03m | 9:10AM0.16m 9:59PM0.07m | 10:10AM0.26m 11:03PM0.16m | 11:19AM0.34m | 00:12AM0.21m 12:35PM0.35m | 1:22AM0.21m 1:48PM0.29m | 2:27AM0.16m 2:54PM0.18m | 3:25AM0.10m 3:52PM0.06m | 4:16AM0.04m 4:44PM-0.05m | 5:02AM-0.01m 5:31PM-0.12m | 5:46AM-0.02m 6:15PM-0.14m | 6:26AM-0.00m 6:57PM-0.12m | 7:06AM0.04m 7:38PM-0.06m | 7:45AM0.12m 8:19PM0.02m | 8:26AM0.20m 9:01PM0.12m | 9:08AM0.30m 9:46PM0.22m | 9:55AM0.39m 10:34PM0.30m | |||
6:35AM | 6:56PM | 6:36AM 6:54PM | 6:37AM 6:52PM | 6:38AM 6:50PM | 6:39AM 6:49PM | 6:40AM 6:47PM | 6:41AM 6:45PM | 6:42AM 6:44PM | 6:43AM 6:42PM | 6:44AM 6:40PM | 6:45AM 6:39PM | 6:46AM 6:37PM | 6:47AM 6:35PM | 6:48AM 6:33PM | 6:49AM 6:32PM | 6:50AM 6:30PM | 6:52AM 6:29PM | 6:53AM 6:27PM | 6:54AM 6:25PM | 6:55AM 6:24PM | 6:56AM 6:22PM | 6:57AM 6:20PM | 6:58AM 6:19PM | 6:59AM 6:17PM | 7:00AM 6:16PM | 7:01AM 6:14PM | 7:02AM 6:12PM | 7:03AM 6:11PM | 7:04AM 6:09PM | ||
59% illuminated Moon age 8 days Waxing Gibbous 2:28PM | 63% illuminated Moon age 8 days Waxing Gibbous 11:05PM | 70% illuminated Moon age 9 days Waxing Gibbous 3:16PM | 79% illuminated Moon age 10 days Waxing Gibbous 00:02AM 3:56PM | 87% illuminated Moon age 11 days Waxing Gibbous 1:04AM 4:30PM | 94% illuminated Moon age 12 days Waxing Gibbous 2:08AM 4:58PM | 98% illuminated Moon age 13 days Waxing Gibbous 3:14AM 5:23PM | 100% illuminated Moon age 14 days Full Moon 4:20AM 5:46PM | 100% illuminated Moon age 15 days Full Moon 5:27AM 6:08PM | 97% illuminated Moon age 16 days Waning Gibbous 6:35AM 6:30PM | 92% illuminated Moon age 17 days Waning Gibbous 7:45AM 6:54PM | 85% illuminated Moon age 18 days Waning Gibbous 8:58AM 7:22PM | 77% illuminated Moon age 19 days Waning Gibbous 10:13AM 7:56PM | 67% illuminated Moon age 20 days Waning Gibbous 11:30AM 8:38PM | 56% illuminated Moon age 21 days Last Quarter 12:43PM 9:31PM | 45% illuminated Moon age 22 days Last Quarter 1:49PM 10:35PM | 34% illuminated Moon age 23 days Waning Crescent 2:43PM 11:47PM | 28% illuminated Moon age 24 days Waning Crescent 3:27PM | 24% illuminated Moon age 24 days Waning Crescent 4:01PM 1:03AM | 15% illuminated Moon age 25 days Waning Crescent 4:30PM 2:18AM | 8% illuminated Moon age 26 days Waning Crescent 4:54PM 3:30AM | 3% illuminated Moon age 27 days Waning Crescent 5:17PM 4:41AM | 0% illuminated Moon age 28 days New Moon 5:39PM 5:49AM | 0% illuminated Moon age 29 days 6:01PM 6:57AM | 1% illuminated Moon age 1 day Waxing Crescent 6:26PM 8:04AM | 5% illuminated Moon age 2 days Waxing Crescent 6:55PM 9:11AM | 10% illuminated Moon age 3 days Waxing Crescent 7:29PM 10:17AM | 18% illuminated Moon age 4 days Waxing Crescent 8:09PM 11:20AM | 27% illuminated Moon age 5 days Waxing Crescent 8:57PM 12:18PM | 38% illuminated Moon age 6 days Waxing Crescent 9:51PM 1:09PM | ||

Mount Sinai tide chart key:
The tide chart above shows the height and times of high tide and low tide for Mount Sinai Harbor, Long Island Sound, New York. The red flashing dot shows the tide time right now. The grey shading corresponds to nighttime hours between sunset and sunrise at Mount Sinai.
Tide Times are EDT (UTC -4.0hrs). Last Spring High Tide at Mount Sinai Harbor, Long Island Sound was on Sat 12 Sep (height: 2.10m 6.9ft). Next high Spring Tide at Mount Sinai Harbor, Long Island Sound will be on Mon 28 Sep (height: 2.18m 7.2ft).
Mount Sinai tide chart key: The tide chart above shows the height and times of high tide and low tide for Mount Sinai Harbor, Long Island Sound, New York. The grey shading corresponds to nighttime hours between sunset and sunrise at Mount Sinai.
Tide Times are EDT (UTC -4.0hrs). Last Spring High Tide at Mount Sinai Harbor, Long Island Sound was on Sat 12 Sep (height: 2.10m 6.9ft). Next high Spring Tide at Mount Sinai Harbor, Long Island Sound will be on Mon 28 Sep (height: 2.18m 7.2ft).
Mount Sinai tide times for September and October
September and October Tide charts for Mount Sinai: The tide charts below show the height, time and date of high and low tides for the next 30 days.
Tide Times for Mount Sinai (tomorrow): Saturday 19 September 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| Low Tide | 00:12 AM(Sat 19 September) | 1.2 ft (0.37 m) |
| High Tide | 6:03 AM(Sat 19 September) | 5.22 ft (1.59 m) |
| Low Tide | 12:25 PM(Sat 19 September) | 1.59 ft (0.48 m) |
| High Tide | 6:23 PM(Sat 19 September) | 5.82 ft (1.77 m) |
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Tide Times for Mount Sinai: Sunday 20 September 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| Low Tide | 1:09 AM(Sun 20 September) | 1.27 ft (0.39 m) |
| High Tide | 7:01 AM(Sun 20 September) | 5.34 ft (1.63 m) |
| Low Tide | 1:25 PM(Sun 20 September) | 1.59 ft (0.48 m) |
| High Tide | 7:20 PM(Sun 20 September) | 5.89 ft (1.8 m) |
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Tide Times for Mount Sinai: Monday 21 September 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| Low Tide | 2:03 AM(Mon 21 September) | 1.19 ft (0.36 m) |
| High Tide | 7:56 AM(Mon 21 September) | 5.56 ft (1.69 m) |
| Low Tide | 2:20 PM(Mon 21 September) | 1.42 ft (0.43 m) |
| High Tide | 8:14 PM(Mon 21 September) | 6.04 ft (1.84 m) |
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Tide Times for Mount Sinai: Tuesday 22 September 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| Low Tide | 2:52 AM(Tue 22 September) | 1.0 ft (0.3 m) |
| High Tide | 8:45 AM(Tue 22 September) | 5.85 ft (1.78 m) |
| Low Tide | 3:11 PM(Tue 22 September) | 1.14 ft (0.35 m) |
| High Tide | 9:03 PM(Tue 22 September) | 6.23 ft (1.9 m) |
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Tide Times for Mount Sinai: Wednesday 23 September 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| Low Tide | 3:38 AM(Wed 23 September) | 0.75 ft (0.23 m) |
| High Tide | 9:30 AM(Wed 23 September) | 6.16 ft (1.88 m) |
| Low Tide | 3:57 PM(Wed 23 September) | 0.79 ft (0.24 m) |
| High Tide | 9:48 PM(Wed 23 September) | 6.4 ft (1.95 m) |
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Tide Times for Mount Sinai: Thursday 24 September 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| Low Tide | 4:19 AM(Thu 24 September) | 0.49 ft (0.15 m) |
| High Tide | 10:11 AM(Thu 24 September) | 6.45 ft (1.97 m) |
| Low Tide | 4:39 PM(Thu 24 September) | 0.41 ft (0.12 m) |
| High Tide | 10:30 PM(Thu 24 September) | 6.53 ft (1.99 m) |
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Tide Times for Mount Sinai: Friday 25 September 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| Low Tide | 4:58 AM(Fri 25 September) | 0.24 ft (0.07 m) |
| High Tide | 10:50 AM(Fri 25 September) | 6.71 ft (2.05 m) |
| Low Tide | 5:20 PM(Fri 25 September) | 0.07 ft (0.02 m) |
| High Tide | 11:11 PM(Fri 25 September) | 6.6 ft (2.01 m) |
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Tide Times for Mount Sinai: Saturday 26 September 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| Low Tide | 5:36 AM(Sat 26 September) | 0.04 ft (0.01 m) |
| High Tide | 11:29 AM(Sat 26 September) | 6.92 ft (2.11 m) |
| Low Tide | 6:01 PM(Sat 26 September) | -0.21 ft (-0.06 m) |
| High Tide | 11:51 PM(Sat 26 September) | 6.6 ft (2.01 m) |
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Tide Times for Mount Sinai: Sunday 27 September 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| Low Tide | 6:14 AM(Sun 27 September) | -0.07 ft (-0.02 m) |
| High Tide | 12:08 PM(Sun 27 September) | 7.07 ft (2.15 m) |
| Low Tide | 6:42 PM(Sun 27 September) | -0.39 ft (-0.12 m) |
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Tide Times for Mount Sinai: Monday 28 September 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| High Tide | 00:32 AM(Mon 28 September) | 6.53 ft (1.99 m) |
| Low Tide | 6:52 AM(Mon 28 September) | -0.09 ft (-0.03 m) |
| High Tide | 12:48 PM(Mon 28 September) | 7.14 ft (2.18 m) |
| Low Tide | 7:25 PM(Mon 28 September) | -0.42 ft (-0.13 m) |
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Tide Times for Mount Sinai: Tuesday 29 September 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| High Tide | 1:15 AM(Tue 29 September) | 6.37 ft (1.94 m) |
| Low Tide | 7:33 AM(Tue 29 September) | 0.01 ft (0.0 m) |
| High Tide | 1:31 PM(Tue 29 September) | 7.11 ft (2.17 m) |
| Low Tide | 8:11 PM(Tue 29 September) | -0.32 ft (-0.1 m) |
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Tide Times for Mount Sinai: Wednesday 30 September 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| High Tide | 2:01 AM(Wed 30 September) | 6.16 ft (1.88 m) |
| Low Tide | 8:18 AM(Wed 30 September) | 0.23 ft (0.07 m) |
| High Tide | 2:19 PM(Wed 30 September) | 6.97 ft (2.12 m) |
| Low Tide | 9:01 PM(Wed 30 September) | -0.09 ft (-0.03 m) |
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Tide Times for Mount Sinai: Thursday 01 October 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| High Tide | 2:53 AM(Thu 01 October) | 5.91 ft (1.8 m) |
| Low Tide | 9:10 AM(Thu 01 October) | 0.53 ft (0.16 m) |
| High Tide | 3:12 PM(Thu 01 October) | 6.74 ft (2.05 m) |
| Low Tide | 9:59 PM(Thu 01 October) | 0.22 ft (0.07 m) |
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Tide Times for Mount Sinai: Friday 02 October 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| High Tide | 3:51 AM(Fri 02 October) | 5.67 ft (1.73 m) |
| Low Tide | 10:10 AM(Fri 02 October) | 0.86 ft (0.26 m) |
| High Tide | 4:13 PM(Fri 02 October) | 6.48 ft (1.98 m) |
| Low Tide | 11:03 PM(Fri 02 October) | 0.51 ft (0.16 m) |
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Tide Times for Mount Sinai: Saturday 03 October 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| High Tide | 4:57 AM(Sat 03 October) | 5.51 ft (1.68 m) |
| Low Tide | 11:19 AM(Sat 03 October) | 1.1 ft (0.34 m) |
| High Tide | 5:22 PM(Sat 03 October) | 6.25 ft (1.9 m) |
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Tide Times for Mount Sinai: Sunday 04 October 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| Low Tide | 00:12 AM(Sun 04 October) | 0.68 ft (0.21 m) |
| High Tide | 6:09 AM(Sun 04 October) | 5.52 ft (1.68 m) |
| Low Tide | 12:35 PM(Sun 04 October) | 1.15 ft (0.35 m) |
| High Tide | 6:35 PM(Sun 04 October) | 6.16 ft (1.88 m) |
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Tide Times for Mount Sinai: Monday 05 October 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| Low Tide | 1:22 AM(Mon 05 October) | 0.68 ft (0.21 m) |
| High Tide | 7:20 AM(Mon 05 October) | 5.71 ft (1.74 m) |
| Low Tide | 1:48 PM(Mon 05 October) | 0.95 ft (0.29 m) |
| High Tide | 7:46 PM(Mon 05 October) | 6.2 ft (1.89 m) |
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Tide Times for Mount Sinai: Tuesday 06 October 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| Low Tide | 2:27 AM(Tue 06 October) | 0.54 ft (0.16 m) |
| High Tide | 8:24 AM(Tue 06 October) | 6.03 ft (1.84 m) |
| Low Tide | 2:54 PM(Tue 06 October) | 0.6 ft (0.18 m) |
| High Tide | 8:51 PM(Tue 06 October) | 6.33 ft (1.93 m) |
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Tide Times for Mount Sinai: Wednesday 07 October 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| Low Tide | 3:25 AM(Wed 07 October) | 0.32 ft (0.1 m) |
| High Tide | 9:21 AM(Wed 07 October) | 6.37 ft (1.94 m) |
| Low Tide | 3:52 PM(Wed 07 October) | 0.2 ft (0.06 m) |
| High Tide | 9:47 PM(Wed 07 October) | 6.44 ft (1.96 m) |
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Tide Times for Mount Sinai: Thursday 08 October 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| Low Tide | 4:16 AM(Thu 08 October) | 0.12 ft (0.04 m) |
| High Tide | 10:11 AM(Thu 08 October) | 6.66 ft (2.03 m) |
| Low Tide | 4:44 PM(Thu 08 October) | -0.15 ft (-0.05 m) |
| High Tide | 10:38 PM(Thu 08 October) | 6.48 ft (1.98 m) |
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Tide Times for Mount Sinai: Friday 09 October 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| Low Tide | 5:02 AM(Fri 09 October) | -0.02 ft (-0.01 m) |
| High Tide | 10:57 AM(Fri 09 October) | 6.85 ft (2.09 m) |
| Low Tide | 5:31 PM(Fri 09 October) | -0.38 ft (-0.12 m) |
| High Tide | 11:24 PM(Fri 09 October) | 6.43 ft (1.96 m) |
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Tide Times for Mount Sinai: Saturday 10 October 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| Low Tide | 5:46 AM(Sat 10 October) | -0.07 ft (-0.02 m) |
| High Tide | 11:40 AM(Sat 10 October) | 6.92 ft (2.11 m) |
| Low Tide | 6:15 PM(Sat 10 October) | -0.46 ft (-0.14 m) |
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Tide Times for Mount Sinai: Sunday 11 October 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| High Tide | 00:07 AM(Sun 11 October) | 6.3 ft (1.92 m) |
| Low Tide | 6:26 AM(Sun 11 October) | -0.01 ft (-0.0 m) |
| High Tide | 12:20 PM(Sun 11 October) | 6.88 ft (2.1 m) |
| Low Tide | 6:57 PM(Sun 11 October) | -0.39 ft (-0.12 m) |
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Tide Times for Mount Sinai: Monday 12 October 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| High Tide | 00:48 AM(Mon 12 October) | 6.12 ft (1.87 m) |
| Low Tide | 7:06 AM(Mon 12 October) | 0.14 ft (0.04 m) |
| High Tide | 1:00 PM(Mon 12 October) | 6.77 ft (2.06 m) |
| Low Tide | 7:38 PM(Mon 12 October) | -0.2 ft (-0.06 m) |
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Tide Times for Mount Sinai: Tuesday 13 October 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| High Tide | 1:28 AM(Tue 13 October) | 5.93 ft (1.81 m) |
| Low Tide | 7:45 AM(Tue 13 October) | 0.38 ft (0.12 m) |
| High Tide | 1:40 PM(Tue 13 October) | 6.6 ft (2.01 m) |
| Low Tide | 8:19 PM(Tue 13 October) | 0.07 ft (0.02 m) |
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Tide Times for Mount Sinai: Wednesday 14 October 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| High Tide | 2:09 AM(Wed 14 October) | 5.73 ft (1.75 m) |
| Low Tide | 8:26 AM(Wed 14 October) | 0.67 ft (0.2 m) |
| High Tide | 2:21 PM(Wed 14 October) | 6.4 ft (1.95 m) |
| Low Tide | 9:01 PM(Wed 14 October) | 0.39 ft (0.12 m) |
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Tide Times for Mount Sinai: Thursday 15 October 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| High Tide | 2:51 AM(Thu 15 October) | 5.57 ft (1.7 m) |
| Low Tide | 9:08 AM(Thu 15 October) | 0.98 ft (0.3 m) |
| High Tide | 3:04 PM(Thu 15 October) | 6.2 ft (1.89 m) |
| Low Tide | 9:46 PM(Thu 15 October) | 0.72 ft (0.22 m) |
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Tide Times for Mount Sinai: Friday 16 October 2026
| Tide | Time (EDT)& Date | Height |
|---|---|---|
| High Tide | 3:36 AM(Fri 16 October) | 5.45 ft (1.66 m) |
| Low Tide | 9:55 AM(Fri 16 October) | 1.28 ft (0.39 m) |
| High Tide | 3:50 PM(Fri 16 October) | 6.02 ft (1.83 m) |
| Low Tide | 10:34 PM(Fri 16 October) | 0.99 ft (0.3 m) |
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NOTE: Use of this site for Mount Sinai Harbor, Long Island Sound, New York 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.
