New York tide station
Harry Tappen Marina, Hempstead Harbor tide times
Today, Sunday, October 18, 2026: high tide at 5:07 AM (6.2 ft) and 5:23 PM (6.6 ft); low tide at 11:32 AM (1.9 ft). Water temperature 60.6 F at Kings Point (6.1 mi away).
High tide▲
5:07AM
6.2FT MLLW
high
Low tide▼
11:32AM
1.9FT MLLW
low
High tide▲
5:23PM
6.6FT MLLW
high
Water temp°F
60.6
15.9C
Kings Point, 6.1 mi
predicted height above MLLWnightnow (build time; your browser updates it)
As of 5:20 AM the tide is falling toward low tide at 11:32 AM (1.9 ft).
First Quarter 51% litSunrise 7:09 AMSunset 6:10 PMDaylight 11h 00mEDT
- High tide at Harry Tappen Marina, Hempstead Harbor, New York on is at 5:07 AM (6.2 ft above MLLW) and 5:23 PM (6.6 ft above MLLW).
- Low tide at Harry Tappen Marina, Hempstead Harbor on is at 11:32 AM (1.9 ft).
- Today's tidal range at Harry Tappen Marina, Hempstead Harbor is 4.7 ft (highest high 6.6 ft, lowest low 1.9 ft).
- The nearest NOAA water temperature to Harry Tappen Marina, Hempstead Harbor is 60.6 F at Kings Point (6.1 mi away), as of .
- Sunrise 7:09 AM, sunset 6:10 PM (EDT); moon first quarter, 51% illuminated.
- Predictions are NOAA CO-OPS tide predictions for station 8516607 (harmonic reference station), heights above MLLW.
Next 7 days at Harry Tappen Marina, Hempstead Harbor
| Date | Tide 1 | Tide 2 | Tide 3 | Tide 4 | Sunrise | Sunset | Moon |
|---|---|---|---|---|---|---|---|
| Sun Oct 18today | 5:07 AM6.2 ft | 11:32 AM1.9 ft | 5:23 PM6.6 ft | 7:09 AM | 6:10 PM | 51% | |
| Mon Oct 19 | 12:32 AM1.5 ft | 6:10 AM6.2 ft | 12:48 PM1.8 ft | 6:28 PM6.6 ft | 7:11 AM | 6:08 PM | 61% |
| Tue Oct 20 | 1:27 AM1.4 ft | 7:12 AM6.5 ft | 1:52 PM1.5 ft | 7:33 PM6.7 ft | 7:12 AM | 6:07 PM | 71% |
| Wed Oct 21 | 2:15 AM1.2 ft | 8:06 AM6.9 ft | 2:45 PM1.1 ft | 8:33 PM6.9 ft | 7:13 AM | 6:06 PM | 80% |
| Thu Oct 22 | 2:58 AM1.0 ft | 8:54 AM7.4 ft | 3:31 PM0.5 ft | 9:23 PM7.2 ft | 7:14 AM | 6:04 PM | 88% |
| Fri Oct 23 | 3:37 AM0.7 ft | 9:36 AM8.0 ft | 4:12 PM0.0 ft | 10:06 PM7.6 ft | 7:15 AM | 6:03 PM | 94% |
| Sat Oct 24 | 4:15 AM0.3 ft | 10:17 AM8.5 ft | 4:52 PM-0.5 ft | 10:48 PM7.8 ft | 7:16 AM | 6:01 PM | 98% |
Water temperature near Harry Tappen Marina, Hempstead Harbor
60.6 F (15.9 C)
NOAA CO-OPS station 8516945 (Kings Point sensor, 6.1 mi away), read 5:00 AM local, October 18, 2026
Over the past 30 days this sensor ranged from 60.6 to 75.2 F. Typical for October here is 63.4 F (5-year hourly mean; range 56.3 to 71.4), so today is 2.8 F below typical.
Water temperature is the nearest NOAA reading to Harry Tappen Marina, Hempstead 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 | 6:51 AM | 6:37 PM | 72% | ||||
| Fri Oct 2 | 6:52 AM | 6:35 PM | 62% | ||||
| Sat Oct 3 | 6:54 AM | 6:34 PM | 52% | ||||
| Sun Oct 4 | 6:55 AM | 6:32 PM | 41% | ||||
| Mon Oct 5 | 6:56 AM | 6:30 PM | 31% | ||||
| Tue Oct 6 | 6:57 AM | 6:29 PM | 22% | ||||
| Wed Oct 7 | 6:58 AM | 6:27 PM | 14% | ||||
| Thu Oct 8 | 6:59 AM | 6:25 PM | 7% | ||||
| Fri Oct 9 | 7:00 AM | 6:24 PM | 3% | ||||
| Sat Oct 10 | 7:01 AM | 6:22 PM | 0% | ||||
| Sun Oct 11 | 7:02 AM | 6:21 PM | 0% | ||||
| Mon Oct 12 | 7:03 AM | 6:19 PM | 2% | ||||
| Tue Oct 13 | 7:04 AM | 6:18 PM | 7% | ||||
| Wed Oct 14 | 7:05 AM | 6:16 PM | 13% | ||||
| Thu Oct 15 | 7:06 AM | 6:14 PM | 21% | ||||
| Fri Oct 16 | 3:24 AM6.6 ft | 9:30 AM1.5 ft | 3:35 PM7.2 ft | 10:23 PM1.2 ft | 7:07 AM | 6:13 PM | 30% |
| Sat Oct 17 | 4:11 AM6.3 ft | 10:22 AM1.8 ft | 4:25 PM6.9 ft | 11:27 PM1.4 ft | 7:08 AM | 6:11 PM | 40% |
| Sun Oct 18today | 5:07 AM6.2 ft | 11:32 AM1.9 ft | 5:23 PM6.6 ft | 7:09 AM | 6:10 PM | 51% | |
| Mon Oct 19 | 12:32 AM1.5 ft | 6:10 AM6.2 ft | 12:48 PM1.8 ft | 6:28 PM6.6 ft | 7:11 AM | 6:08 PM | 61% |
| Tue Oct 20 | 1:27 AM1.4 ft | 7:12 AM6.5 ft | 1:52 PM1.5 ft | 7:33 PM6.7 ft | 7:12 AM | 6:07 PM | 71% |
| Wed Oct 21 | 2:15 AM1.2 ft | 8:06 AM6.9 ft | 2:45 PM1.1 ft | 8:33 PM6.9 ft | 7:13 AM | 6:06 PM | 80% |
| Thu Oct 22 | 2:58 AM1.0 ft | 8:54 AM7.4 ft | 3:31 PM0.5 ft | 9:23 PM7.2 ft | 7:14 AM | 6:04 PM | 88% |
| Fri Oct 23 | 3:37 AM0.7 ft | 9:36 AM8.0 ft | 4:12 PM0.0 ft | 10:06 PM7.6 ft | 7:15 AM | 6:03 PM | 94% |
| Sat Oct 24 | 4:15 AM0.3 ft | 10:17 AM8.5 ft | 4:52 PM-0.5 ft | 10:48 PM7.8 ft | 7:16 AM | 6:01 PM | 98% |
| Sun Oct 25 | 4:54 AM0.0 ft | 10:58 AM9.0 ft | 5:34 PM-0.8 ft | 11:30 PM8.0 ft | 7:17 AM | 6:00 PM | 100% |
| Mon Oct 26 | 5:35 AM-0.2 ft | 11:41 AM9.3 ft | 6:17 PM-1.0 ft | 7:18 AM | 5:59 PM | 99% | |
| Tue Oct 27 | 12:14 AM8.1 ft | 6:20 AM-0.3 ft | 12:27 PM9.4 ft | 7:04 PM-1.0 ft | 7:20 AM | 5:57 PM | 97% |
| Wed Oct 28 | 1:01 AM8.1 ft | 7:07 AM-0.2 ft | 1:16 PM9.3 ft | 7:52 PM-0.9 ft | 7:21 AM | 5:56 PM | 92% |
| Thu Oct 29 | 1:51 AM7.9 ft | 7:58 AM-0.1 ft | 2:08 PM9.0 ft | 8:44 PM-0.6 ft | 7:22 AM | 5:55 PM | 85% |
| Fri Oct 30 | 2:45 AM7.7 ft | 8:53 AM0.2 ft | 3:04 PM8.5 ft | 9:42 PM-0.2 ft | 7:23 AM | 5:53 PM | 77% |
| Sat Oct 31 | 3:44 AM7.5 ft | 9:58 AM0.5 ft | 4:06 PM8.0 ft | 10:52 PM0.2 ft | 7:24 AM | 5:52 PM | 68% |
November 2026 tide table
| Date | Tide 1 | Tide 2 | Tide 3 | Tide 4 | Sunrise | Sunset | Moon |
|---|---|---|---|---|---|---|---|
| Sun Nov 1 | 3:54 AM7.3 ft | 10:21 AM0.7 ft | 4:20 PM7.6 ft | 11:07 PM0.3 ft | 6:25 AM | 4:51 PM | 57% |
| Mon Nov 2 | 5:10 AM7.3 ft | 11:42 AM0.6 ft | 5:40 PM7.3 ft | 6:27 AM | 4:50 PM | 46% | |
| Tue Nov 3 | 12:13 AM0.4 ft | 6:20 AM7.5 ft | 12:50 PM0.4 ft | 6:52 PM7.3 ft | 6:28 AM | 4:48 PM | 36% |
| Wed Nov 4 | 1:14 AM0.3 ft | 7:23 AM7.8 ft | 1:51 PM0.1 ft | 7:55 PM7.3 ft | 6:29 AM | 4:47 PM | 26% |
| Thu Nov 5 | 2:08 AM0.3 ft | 8:17 AM8.1 ft | 2:44 PM-0.2 ft | 8:49 PM7.4 ft | 6:30 AM | 4:46 PM | 17% |
| Fri Nov 6 | 2:58 AM0.2 ft | 9:04 AM8.3 ft | 3:32 PM-0.4 ft | 9:36 PM7.5 ft | 6:31 AM | 4:45 PM | 10% |
| Sat Nov 7 | 3:43 AM0.2 ft | 9:46 AM8.4 ft | 4:17 PM-0.5 ft | 10:18 PM7.5 ft | 6:33 AM | 4:44 PM | 5% |
| Sun Nov 8 | 4:24 AM0.2 ft | 10:23 AM8.4 ft | 4:59 PM-0.5 ft | 10:57 PM7.4 ft | 6:34 AM | 4:43 PM | 1% |
| Mon Nov 9 | 5:03 AM0.4 ft | 10:58 AM8.3 ft | 5:38 PM-0.4 ft | 11:33 PM7.3 ft | 6:35 AM | 4:42 PM | 0% |
| Tue Nov 10 | 5:39 AM0.5 ft | 11:32 AM8.1 ft | 6:16 PM-0.2 ft | 6:36 AM | 4:41 PM | 1% | |
| Wed Nov 11 | 12:08 AM7.1 ft | 6:12 AM0.7 ft | 12:06 PM7.9 ft | 6:51 PM0.0 ft | 6:37 AM | 4:40 PM | 4% |
| Thu Nov 12 | 12:42 AM6.9 ft | 6:45 AM0.9 ft | 12:42 PM7.7 ft | 7:25 PM0.3 ft | 6:38 AM | 4:39 PM | 10% |
| Fri Nov 13 | 1:17 AM6.7 ft | 7:21 AM1.1 ft | 1:21 PM7.4 ft | 8:01 PM0.6 ft | 6:40 AM | 4:38 PM | 17% |
| Sat Nov 14 | 1:56 AM6.6 ft | 8:01 AM1.3 ft | 2:03 PM7.1 ft | 8:40 PM0.9 ft | 6:41 AM | 4:37 PM | 25% |
| Sun Nov 15 | 2:39 AM6.5 ft | 8:49 AM1.5 ft | 2:50 PM6.8 ft | 9:27 PM1.1 ft | 6:42 AM | 4:36 PM | 35% |
| Mon Nov 16 | 3:27 AM6.4 ft | 9:47 AM1.6 ft | 3:42 PM6.6 ft | 10:20 PM1.2 ft | 6:43 AM | 4:36 PM | 45% |
| Tue Nov 17 | 4:20 AM6.5 ft | 10:53 AM1.5 ft | 4:39 PM6.5 ft | 11:12 PM1.2 ft | 6:44 AM | 4:35 PM | 56% |
| Wed Nov 18 | 5:13 AM6.8 ft | 11:55 AM1.2 ft | 5:38 PM6.5 ft | 6:46 AM | 4:34 PM | 66% | |
| Thu Nov 19 | 12:03 AM1.1 ft | 6:06 AM7.2 ft | 12:52 PM0.8 ft | 6:37 PM6.6 ft | 6:47 AM | 4:33 PM | 76% |
| Fri Nov 20 | 12:52 AM0.9 ft | 6:59 AM7.6 ft | 1:45 PM0.3 ft | 7:35 PM6.9 ft | 6:48 AM | 4:33 PM | 84% |
| Sat Nov 21 | 1:42 AM0.6 ft | 7:51 AM8.1 ft | 2:35 PM-0.2 ft | 8:29 PM7.2 ft | 6:49 AM | 4:32 PM | 91% |
| Sun Nov 22 | 2:32 AM0.3 ft | 8:41 AM8.6 ft | 3:23 PM-0.7 ft | 9:18 PM7.5 ft | 6:50 AM | 4:31 PM | 96% |
| Mon Nov 23 | 3:21 AM-0.1 ft | 9:30 AM9.0 ft | 4:11 PM-1.0 ft | 10:06 PM7.7 ft | 6:51 AM | 4:31 PM | 99% |
| Tue Nov 24 | 4:10 AM-0.3 ft | 10:19 AM9.3 ft | 4:59 PM-1.2 ft | 10:56 PM7.9 ft | 6:52 AM | 4:30 PM | 100% |
| Wed Nov 25 | 5:01 AM-0.5 ft | 11:10 AM9.3 ft | 5:50 PM-1.3 ft | 11:47 PM8.0 ft | 6:54 AM | 4:30 PM | 98% |
| Thu Nov 26 | 5:55 AM-0.5 ft | 12:03 PM9.2 ft | 6:42 PM-1.2 ft | 6:55 AM | 4:29 PM | 95% | |
| Fri Nov 27 | 12:42 AM8.0 ft | 6:51 AM-0.4 ft | 12:58 PM8.9 ft | 7:36 PM-1.0 ft | 6:56 AM | 4:29 PM | 89% |
| Sat Nov 28 | 1:38 AM7.9 ft | 7:51 AM-0.2 ft | 1:56 PM8.4 ft | 8:32 PM-0.6 ft | 6:57 AM | 4:28 PM | 81% |
| Sun Nov 29 | 2:38 AM7.8 ft | 8:58 AM0.0 ft | 2:59 PM7.9 ft | 9:36 PM-0.3 ft | 6:58 AM | 4:28 PM | 73% |
| Mon Nov 30 | 3:44 AM7.7 ft | 10:14 AM0.2 ft | 4:09 PM7.4 ft | 10:43 PM0.0 ft | 6:59 AM | 4:28 PM | 63% |
Tidal datums at Harry Tappen Marina, Hempstead Harbor
Heights on this page are above mean lower low water (MLLW), the chart datum. NOAA's accepted datums for station 8516607, in feet above MLLW:
MHHW
27.06 ft
Mean higher high water
MHW
26.70 ft
Mean high water
MSL
23.07 ft
Mean sea level
MLW
19.41 ft
Mean low water
MN
7.29 ft
Mean range
GT
7.87 ft
Diurnal range
Nearby tide stations
- Glen Cove, Hempstead Harbor2.0 mi · next high 5:26 PM
- Port Washington, Manhasset Bay2.7 mi · next high 5:18 PM
- Kings Point6.1 mi · next high 5:24 AM
- Bayville Bridge7.2 mi · next high 5:31 PM
- Willets Point7.3 mi · next high 5:35 AM
- Oyster Bay Harbor7.4 mi · next high 5:29 AM
Questions
What time is high tide at Harry Tappen Marina, Hempstead Harbor today?
High tide at Harry Tappen Marina, Hempstead Harbor, New York on Sunday, October 18, 2026 is at 5:07 AM (6.2 ft above MLLW) and 5:23 PM (6.6 ft above MLLW), NOAA prediction, local time.
What time is low tide at Harry Tappen Marina, Hempstead Harbor today?
Low tide at Harry Tappen Marina, Hempstead Harbor on Sunday, October 18, 2026 is at 11:32 AM (1.9 ft).
What is the water temperature at Harry Tappen Marina, Hempstead Harbor?
The nearest NOAA water-temperature reading to Harry Tappen Marina, Hempstead Harbor is 60.6 F at Kings Point (6.1 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 8516607.