New York tide station
Mount Sinai Harbor tide times
Today, Sunday, October 18, 2026: high tide at 5:26 AM (5.3 ft) and 5:42 PM (5.6 ft); low tide at 11:48 AM (1.5 ft). Water temperature 64.2 F at buoy BRHC3 (16 mi away).
High tide▲
5:26AM
5.3FT MLLW
high
Low tide▼
11:48AM
1.5FT MLLW
low
High tide▲
5:42PM
5.6FT MLLW
high
Water temp°F
64.2
17.9C
buoy BRHC3, 16 mi
predicted height above MLLWnightnow (build time; your browser updates it)
As of 5:20 AM the tide is rising toward high tide at 5:26 AM (5.3 ft).
First Quarter 51% litSunrise 7:07 AMSunset 6:07 PMDaylight 11h 00mEDT
- High tide at Mount Sinai Harbor, New York on is at 5:26 AM (5.3 ft above MLLW) and 5:42 PM (5.6 ft above MLLW).
- Low tide at Mount Sinai Harbor on is at 11:48 AM (1.5 ft).
- Today's tidal range at Mount Sinai Harbor is 4.1 ft (highest high 5.6 ft, lowest low 1.5 ft).
- The nearest NOAA water temperature to Mount Sinai Harbor is 64.2 F at buoy BRHC3 (16 mi away), as of .
- Sunrise 7:07 AM, sunset 6:07 PM (EDT); moon first quarter, 51% illuminated.
- Predictions are NOAA CO-OPS tide predictions for station 8514421 (subordinate station), heights above MLLW.
Next 7 days at Mount Sinai Harbor
| Date | Tide 1 | Tide 2 | Tide 3 | Tide 4 | Sunrise | Sunset | Moon |
|---|---|---|---|---|---|---|---|
| Sun Oct 18today | 5:26 AM5.3 ft | 11:48 AM1.5 ft | 5:42 PM5.6 ft | 7:07 AM | 6:07 PM | 51% | |
| Mon Oct 19 | 12:26 AM1.2 ft | 6:22 AM5.3 ft | 12:46 PM1.5 ft | 6:41 PM5.6 ft | 7:08 AM | 6:06 PM | 61% |
| Tue Oct 20 | 1:20 AM1.1 ft | 7:18 AM5.5 ft | 1:43 PM1.3 ft | 7:37 PM5.7 ft | 7:09 AM | 6:04 PM | 71% |
| Wed Oct 21 | 2:11 AM1.0 ft | 8:09 AM5.8 ft | 2:37 PM1.0 ft | 8:30 PM5.8 ft | 7:11 AM | 6:03 PM | 80% |
| Thu Oct 22 | 2:58 AM0.7 ft | 8:56 AM6.1 ft | 3:26 PM0.6 ft | 9:18 PM6.0 ft | 7:12 AM | 6:01 PM | 88% |
| Fri Oct 23 | 3:42 AM0.5 ft | 9:39 AM6.5 ft | 4:13 PM0.3 ft | 10:03 PM6.2 ft | 7:13 AM | 6:00 PM | 94% |
| Sat Oct 24 | 4:24 AM0.3 ft | 10:20 AM6.8 ft | 4:58 PM-0.0 ft | 10:46 PM6.4 ft | 7:14 AM | 5:59 PM | 98% |
Water temperature near Mount Sinai Harbor
64.2 F (17.9 C)
NDBC buoy BRHC3 (8467150 - Bridgeport, CT), 16 mi away, observed 08:48 UTC October 18, 2026
Water temperature is the nearest NOAA reading to Mount Sinai Harbor, not a measurement at the tide gauge itself (this station has no water-temperature sensor). See water temperature by state for every sensor and buoy.
Tide tables
October 2026 tide table
| Date | Tide 1 | Tide 2 | Tide 3 | Tide 4 | Sunrise | Sunset | Moon |
|---|---|---|---|---|---|---|---|
| Thu Oct 1 | 6:49 AM | 6:34 PM | 72% | ||||
| Fri Oct 2 | 6:50 AM | 6:33 PM | 62% | ||||
| Sat Oct 3 | 6:51 AM | 6:31 PM | 52% | ||||
| Sun Oct 4 | 6:52 AM | 6:29 PM | 41% | ||||
| Mon Oct 5 | 6:53 AM | 6:28 PM | 31% | ||||
| Tue Oct 6 | 6:54 AM | 6:26 PM | 22% | ||||
| Wed Oct 7 | 6:55 AM | 6:25 PM | 14% | ||||
| Thu Oct 8 | 6:56 AM | 6:23 PM | 7% | ||||
| Fri Oct 9 | 6:57 AM | 6:21 PM | 3% | ||||
| Sat Oct 10 | 6:58 AM | 6:20 PM | 0% | ||||
| Sun Oct 11 | 7:00 AM | 6:18 PM | 0% | ||||
| Mon Oct 12 | 7:01 AM | 6:17 PM | 2% | ||||
| Tue Oct 13 | 7:02 AM | 6:15 PM | 7% | ||||
| Wed Oct 14 | 7:03 AM | 6:13 PM | 13% | ||||
| Thu Oct 15 | 7:04 AM | 6:12 PM | 21% | ||||
| Fri Oct 16 | 3:42 AM5.5 ft | 9:57 AM1.4 ft | 3:53 PM5.9 ft | 10:37 PM1.0 ft | 7:05 AM | 6:10 PM | 30% |
| Sat Oct 17 | 4:32 AM5.3 ft | 10:50 AM1.5 ft | 4:45 PM5.7 ft | 11:30 PM1.1 ft | 7:06 AM | 6:09 PM | 40% |
| Sun Oct 18today | 5:26 AM5.3 ft | 11:48 AM1.5 ft | 5:42 PM5.6 ft | 7:07 AM | 6:07 PM | 51% | |
| Mon Oct 19 | 12:26 AM1.2 ft | 6:22 AM5.3 ft | 12:46 PM1.5 ft | 6:41 PM5.6 ft | 7:08 AM | 6:06 PM | 61% |
| Tue Oct 20 | 1:20 AM1.1 ft | 7:18 AM5.5 ft | 1:43 PM1.3 ft | 7:37 PM5.7 ft | 7:09 AM | 6:04 PM | 71% |
| Wed Oct 21 | 2:11 AM1.0 ft | 8:09 AM5.8 ft | 2:37 PM1.0 ft | 8:30 PM5.8 ft | 7:11 AM | 6:03 PM | 80% |
| Thu Oct 22 | 2:58 AM0.7 ft | 8:56 AM6.1 ft | 3:26 PM0.6 ft | 9:18 PM6.0 ft | 7:12 AM | 6:01 PM | 88% |
| Fri Oct 23 | 3:42 AM0.5 ft | 9:39 AM6.5 ft | 4:13 PM0.3 ft | 10:03 PM6.2 ft | 7:13 AM | 6:00 PM | 94% |
| Sat Oct 24 | 4:24 AM0.3 ft | 10:20 AM6.8 ft | 4:58 PM-0.0 ft | 10:46 PM6.4 ft | 7:14 AM | 5:59 PM | 98% |
| Sun Oct 25 | 5:06 AM0.2 ft | 11:00 AM7.1 ft | 5:43 PM-0.3 ft | 11:30 PM6.4 ft | 7:15 AM | 5:57 PM | 100% |
| Mon Oct 26 | 5:49 AM0.1 ft | 11:42 AM7.3 ft | 6:28 PM-0.4 ft | 7:16 AM | 5:56 PM | 99% | |
| Tue Oct 27 | 12:15 AM6.4 ft | 6:33 AM0.1 ft | 12:27 PM7.4 ft | 7:15 PM-0.4 ft | 7:17 AM | 5:55 PM | 97% |
| Wed Oct 28 | 1:02 AM6.4 ft | 7:19 AM0.1 ft | 1:15 PM7.3 ft | 8:05 PM-0.3 ft | 7:19 AM | 5:53 PM | 92% |
| Thu Oct 29 | 1:53 AM6.2 ft | 8:10 AM0.3 ft | 2:07 PM7.1 ft | 8:58 PM-0.1 ft | 7:20 AM | 5:52 PM | 85% |
| Fri Oct 30 | 2:47 AM6.1 ft | 9:07 AM0.4 ft | 3:04 PM6.8 ft | 9:57 PM0.2 ft | 7:21 AM | 5:51 PM | 77% |
| Sat Oct 31 | 3:46 AM5.9 ft | 10:09 AM0.6 ft | 4:06 PM6.5 ft | 10:59 PM0.3 ft | 7:22 AM | 5:49 PM | 68% |
November 2026 tide table
| Date | Tide 1 | Tide 2 | Tide 3 | Tide 4 | Sunrise | Sunset | Moon |
|---|---|---|---|---|---|---|---|
| Sun Nov 1 | 3:50 AM5.8 ft | 10:17 AM0.8 ft | 4:12 PM6.3 ft | 11:04 PM0.5 ft | 6:23 AM | 4:48 PM | 57% |
| Mon Nov 2 | 4:56 AM5.8 ft | 11:27 AM0.8 ft | 5:21 PM6.1 ft | 6:24 AM | 4:47 PM | 46% | |
| Tue Nov 3 | 12:07 AM0.5 ft | 6:02 AM6.0 ft | 12:35 PM0.7 ft | 6:28 PM6.0 ft | 6:26 AM | 4:46 PM | 36% |
| Wed Nov 4 | 1:07 AM0.4 ft | 7:04 AM6.3 ft | 1:38 PM0.5 ft | 7:30 PM6.0 ft | 6:27 AM | 4:45 PM | 26% |
| Thu Nov 5 | 2:01 AM0.3 ft | 8:00 AM6.5 ft | 2:36 PM0.2 ft | 8:26 PM6.1 ft | 6:28 AM | 4:43 PM | 17% |
| Fri Nov 6 | 2:51 AM0.3 ft | 8:49 AM6.8 ft | 3:27 PM0.0 ft | 9:15 PM6.1 ft | 6:29 AM | 4:42 PM | 10% |
| Sat Nov 7 | 3:37 AM0.3 ft | 9:33 AM6.9 ft | 4:13 PM-0.1 ft | 10:00 PM6.1 ft | 6:30 AM | 4:41 PM | 5% |
| Sun Nov 8 | 4:19 AM0.3 ft | 10:13 AM6.9 ft | 4:55 PM-0.1 ft | 10:42 PM6.0 ft | 6:32 AM | 4:40 PM | 1% |
| Mon Nov 9 | 5:00 AM0.4 ft | 10:53 AM6.8 ft | 5:36 PM-0.1 ft | 11:23 PM5.9 ft | 6:33 AM | 4:39 PM | 0% |
| Tue Nov 10 | 5:39 AM0.6 ft | 11:31 AM6.6 ft | 6:14 PM0.1 ft | 6:34 AM | 4:38 PM | 1% | |
| Wed Nov 11 | 12:03 AM5.8 ft | 6:18 AM0.7 ft | 12:11 PM6.4 ft | 6:53 PM0.2 ft | 6:35 AM | 4:37 PM | 4% |
| Thu Nov 12 | 12:45 AM5.7 ft | 6:58 AM0.9 ft | 12:51 PM6.2 ft | 7:34 PM0.4 ft | 6:36 AM | 4:36 PM | 10% |
| Fri Nov 13 | 1:27 AM5.5 ft | 7:41 AM1.0 ft | 1:34 PM6.0 ft | 8:16 PM0.6 ft | 6:38 AM | 4:35 PM | 17% |
| Sat Nov 14 | 2:11 AM5.4 ft | 8:26 AM1.1 ft | 2:20 PM5.8 ft | 9:01 PM0.7 ft | 6:39 AM | 4:34 PM | 25% |
| Sun Nov 15 | 2:58 AM5.3 ft | 9:15 AM1.2 ft | 3:09 PM5.6 ft | 9:49 PM0.8 ft | 6:40 AM | 4:34 PM | 35% |
| Mon Nov 16 | 3:47 AM5.3 ft | 10:09 AM1.3 ft | 4:00 PM5.5 ft | 10:40 PM0.9 ft | 6:41 AM | 4:33 PM | 45% |
| Tue Nov 17 | 4:38 AM5.4 ft | 11:05 AM1.2 ft | 4:54 PM5.5 ft | 11:31 PM0.8 ft | 6:42 AM | 4:32 PM | 56% |
| Wed Nov 18 | 5:29 AM5.5 ft | 12:01 PM1.0 ft | 5:50 PM5.5 ft | 6:43 AM | 4:31 PM | 66% | |
| Thu Nov 19 | 12:21 AM0.7 ft | 6:21 AM5.8 ft | 12:56 PM0.8 ft | 6:45 PM5.5 ft | 6:45 AM | 4:31 PM | 76% |
| Fri Nov 20 | 1:10 AM0.6 ft | 7:10 AM6.1 ft | 1:49 PM0.4 ft | 7:38 PM5.7 ft | 6:46 AM | 4:30 PM | 84% |
| Sat Nov 21 | 1:58 AM0.4 ft | 7:57 AM6.5 ft | 2:40 PM0.1 ft | 8:28 PM5.9 ft | 6:47 AM | 4:29 PM | 91% |
| Sun Nov 22 | 2:46 AM0.2 ft | 8:43 AM6.8 ft | 3:29 PM-0.2 ft | 9:16 PM6.0 ft | 6:48 AM | 4:29 PM | 96% |
| Mon Nov 23 | 3:33 AM0.1 ft | 9:30 AM7.1 ft | 4:18 PM-0.5 ft | 10:04 PM6.1 ft | 6:49 AM | 4:28 PM | 99% |
| Tue Nov 24 | 4:21 AM-0.1 ft | 10:17 AM7.3 ft | 5:07 PM-0.6 ft | 10:53 PM6.2 ft | 6:50 AM | 4:27 PM | 100% |
| Wed Nov 25 | 5:11 AM-0.1 ft | 11:07 AM7.3 ft | 5:58 PM-0.6 ft | 11:44 PM6.2 ft | 6:51 AM | 4:27 PM | 98% |
| Thu Nov 26 | 6:03 AM-0.1 ft | 11:59 AM7.2 ft | 6:50 PM-0.5 ft | 6:53 AM | 4:27 PM | 95% | |
| Fri Nov 27 | 12:37 AM6.1 ft | 6:57 AM-0.0 ft | 12:54 PM7.0 ft | 7:44 PM-0.4 ft | 6:54 AM | 4:26 PM | 89% |
| Sat Nov 28 | 1:34 AM6.1 ft | 7:56 AM0.1 ft | 1:52 PM6.7 ft | 8:41 PM-0.2 ft | 6:55 AM | 4:26 PM | 81% |
| Sun Nov 29 | 2:33 AM6.0 ft | 8:58 AM0.3 ft | 2:53 PM6.4 ft | 9:40 PM-0.0 ft | 6:56 AM | 4:25 PM | 73% |
| Mon Nov 30 | 3:34 AM6.0 ft | 10:04 AM0.4 ft | 3:56 PM6.1 ft | 10:41 PM0.1 ft | 6:57 AM | 4:25 PM | 63% |
How these predictions are made
Mount Sinai Harbor is a subordinate station: NOAA derives its tides from the reference station Bridgeport by applying fixed offsets.
High tide time
+0h 04m
relative to Bridgeport
Low tide time
+0h 18m
relative to reference
High tide height
x0.89
ratio
Low tide height
x0.88
ratio
Nearby tide stations
- Cedar Beach0.2 mi · next high 5:30 AM
- Port Jefferson2.1 mi · next high 5:26 AM
- Port Jefferson Harbor entrance2.8 mi · next high 5:24 AM
- Patchogue15 mi · next high 5:17 PM
- Sniffens Point16 mi · next high 5:32 AM
- Black Rock Harbor16 mi · next high 5:34 PM
Questions
What time is high tide at Mount Sinai Harbor today?
High tide at Mount Sinai Harbor, New York on Sunday, October 18, 2026 is at 5:26 AM (5.3 ft above MLLW) and 5:42 PM (5.6 ft above MLLW), NOAA prediction, local time.
What time is low tide at Mount Sinai Harbor today?
Low tide at Mount Sinai Harbor on Sunday, October 18, 2026 is at 11:48 AM (1.5 ft).
What is the water temperature at Mount Sinai Harbor?
The nearest NOAA water-temperature reading to Mount Sinai Harbor is 64.2 F at buoy BRHC3 (16 mi away), as of October 18, 2026.
Not for navigation. Predictions do not include weather; wind and pressure can move the real water level by a foot or more. Source: NOAA CO-OPS station 8514421.