New York tide station
Port Jefferson Harbor entrance tide times
Today, Sunday, October 18, 2026: high tide at 5:24 AM (5.8 ft) and 5:40 PM (6.1 ft); low tide at 11:31 AM (1.7 ft). Water temperature 64.2 F at buoy BRHC3 (15 mi away).
High tide▲
5:24AM
5.8FT MLLW
high
Low tide▼
11:31AM
1.7FT MLLW
low
High tide▲
5:40PM
6.1FT MLLW
high
Water temp°F
64.2
17.9C
buoy BRHC3, 15 mi
predicted height above MLLWnightnow (build time; your browser updates it)
As of 5:20 AM the tide is rising toward high tide at 5:24 AM (5.8 ft).
First Quarter 51% litSunrise 7:07 AMSunset 6:08 PMDaylight 11h 00mEDT
- High tide at Port Jefferson Harbor entrance, New York on is at 5:24 AM (5.8 ft above MLLW) and 5:40 PM (6.1 ft above MLLW).
- Low tide at Port Jefferson Harbor entrance on is at 11:31 AM (1.7 ft).
- Today's tidal range at Port Jefferson Harbor entrance is 4.4 ft (highest high 6.1 ft, lowest low 1.7 ft).
- The nearest NOAA water temperature to Port Jefferson Harbor entrance is 64.2 F at buoy BRHC3 (15 mi away), as of .
- Sunrise 7:07 AM, sunset 6:08 PM (EDT); moon first quarter, 51% illuminated.
- Predictions are NOAA CO-OPS tide predictions for station 8514594 (subordinate station), heights above MLLW.
Next 7 days at Port Jefferson Harbor entrance
| Date | Tide 1 | Tide 2 | Tide 3 | Tide 4 | Sunrise | Sunset | Moon |
|---|---|---|---|---|---|---|---|
| Sun Oct 18today | 5:24 AM5.8 ft | 11:31 AM1.7 ft | 5:40 PM6.1 ft | 7:07 AM | 6:08 PM | 51% | |
| Mon Oct 19 | 12:09 AM1.3 ft | 6:20 AM5.9 ft | 12:29 PM1.6 ft | 6:39 PM6.1 ft | 7:08 AM | 6:06 PM | 61% |
| Tue Oct 20 | 1:03 AM1.2 ft | 7:16 AM6.0 ft | 1:26 PM1.4 ft | 7:35 PM6.2 ft | 7:10 AM | 6:05 PM | 71% |
| Wed Oct 21 | 1:54 AM1.1 ft | 8:07 AM6.3 ft | 2:20 PM1.1 ft | 8:28 PM6.4 ft | 7:11 AM | 6:03 PM | 80% |
| Thu Oct 22 | 2:41 AM0.8 ft | 8:54 AM6.7 ft | 3:09 PM0.7 ft | 9:16 PM6.6 ft | 7:12 AM | 6:02 PM | 88% |
| Fri Oct 23 | 3:25 AM0.6 ft | 9:37 AM7.1 ft | 3:56 PM0.3 ft | 10:01 PM6.9 ft | 7:13 AM | 6:00 PM | 94% |
| Sat Oct 24 | 4:07 AM0.4 ft | 10:18 AM7.5 ft | 4:41 PM-0.0 ft | 10:44 PM7.0 ft | 7:14 AM | 5:59 PM | 98% |
Water temperature near Port Jefferson Harbor entrance
64.2 F (17.9 C)
NDBC buoy BRHC3 (8467150 - Bridgeport, CT), 15 mi away, observed 08:48 UTC October 18, 2026
Water temperature is the nearest NOAA reading to Port Jefferson Harbor entrance, 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 | 6:35 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 | 6:30 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 | 6:56 AM | 6:25 PM | 14% | ||||
| Thu Oct 8 | 6:57 AM | 6:23 PM | 7% | ||||
| Fri Oct 9 | 6:58 AM | 6:22 PM | 3% | ||||
| Sat Oct 10 | 6:59 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 | 6:14 PM | 13% | ||||
| Thu Oct 15 | 7:04 AM | 6:12 PM | 21% | ||||
| Fri Oct 16 | 3:40 AM6.0 ft | 9:40 AM1.5 ft | 3:51 PM6.5 ft | 10:20 PM1.1 ft | 7:05 AM | 6:11 PM | 30% |
| Sat Oct 17 | 4:30 AM5.9 ft | 10:33 AM1.7 ft | 4:43 PM6.3 ft | 11:13 PM1.3 ft | 7:06 AM | 6:09 PM | 40% |
| Sun Oct 18today | 5:24 AM5.8 ft | 11:31 AM1.7 ft | 5:40 PM6.1 ft | 7:07 AM | 6:08 PM | 51% | |
| Mon Oct 19 | 12:09 AM1.3 ft | 6:20 AM5.9 ft | 12:29 PM1.6 ft | 6:39 PM6.1 ft | 7:08 AM | 6:06 PM | 61% |
| Tue Oct 20 | 1:03 AM1.2 ft | 7:16 AM6.0 ft | 1:26 PM1.4 ft | 7:35 PM6.2 ft | 7:10 AM | 6:05 PM | 71% |
| Wed Oct 21 | 1:54 AM1.1 ft | 8:07 AM6.3 ft | 2:20 PM1.1 ft | 8:28 PM6.4 ft | 7:11 AM | 6:03 PM | 80% |
| Thu Oct 22 | 2:41 AM0.8 ft | 8:54 AM6.7 ft | 3:09 PM0.7 ft | 9:16 PM6.6 ft | 7:12 AM | 6:02 PM | 88% |
| Fri Oct 23 | 3:25 AM0.6 ft | 9:37 AM7.1 ft | 3:56 PM0.3 ft | 10:01 PM6.9 ft | 7:13 AM | 6:00 PM | 94% |
| Sat Oct 24 | 4:07 AM0.4 ft | 10:18 AM7.5 ft | 4:41 PM-0.0 ft | 10:44 PM7.0 ft | 7:14 AM | 5:59 PM | 98% |
| Sun Oct 25 | 4:49 AM0.2 ft | 10:58 AM7.8 ft | 5:26 PM-0.3 ft | 11:28 PM7.1 ft | 7:15 AM | 5:57 PM | 100% |
| Mon Oct 26 | 5:32 AM0.1 ft | 11:40 AM8.1 ft | 6:11 PM-0.4 ft | 7:16 AM | 5:56 PM | 99% | |
| Tue Oct 27 | 12:13 AM7.1 ft | 6:16 AM0.1 ft | 12:25 PM8.1 ft | 6:58 PM-0.5 ft | 7:18 AM | 5:55 PM | 97% |
| Wed Oct 28 | 1:00 AM7.0 ft | 7:02 AM0.1 ft | 1:13 PM8.0 ft | 7:48 PM-0.3 ft | 7:19 AM | 5:53 PM | 92% |
| Thu Oct 29 | 1:51 AM6.9 ft | 7:53 AM0.3 ft | 2:05 PM7.8 ft | 8:41 PM-0.1 ft | 7:20 AM | 5:52 PM | 85% |
| Fri Oct 30 | 2:45 AM6.7 ft | 8:50 AM0.5 ft | 3:02 PM7.5 ft | 9:40 PM0.2 ft | 7:21 AM | 5:51 PM | 77% |
| Sat Oct 31 | 3:44 AM6.5 ft | 9:52 AM0.7 ft | 4:04 PM7.2 ft | 10:42 PM0.4 ft | 7:22 AM | 5:50 PM | 68% |
November 2026 tide table
| Date | Tide 1 | Tide 2 | Tide 3 | Tide 4 | Sunrise | Sunset | Moon |
|---|---|---|---|---|---|---|---|
| Sun Nov 1 | 3:48 AM6.4 ft | 10:00 AM0.8 ft | 4:10 PM6.9 ft | 10:47 PM0.5 ft | 6:23 AM | 4:48 PM | 57% |
| Mon Nov 2 | 4:54 AM6.4 ft | 11:10 AM0.9 ft | 5:19 PM6.7 ft | 11:50 PM0.5 ft | 6:25 AM | 4:47 PM | 46% |
| Tue Nov 3 | 6:00 AM6.6 ft | 12:18 PM0.7 ft | 6:26 PM6.6 ft | 6:26 AM | 4:46 PM | 36% | |
| Wed Nov 4 | 12:50 AM0.4 ft | 7:02 AM6.9 ft | 1:21 PM0.5 ft | 7:28 PM6.6 ft | 6:27 AM | 4:45 PM | 26% |
| Thu Nov 5 | 1:44 AM0.3 ft | 7:58 AM7.2 ft | 2:19 PM0.3 ft | 8:24 PM6.7 ft | 6:28 AM | 4:44 PM | 17% |
| Fri Nov 6 | 2:34 AM0.3 ft | 8:47 AM7.4 ft | 3:10 PM0.0 ft | 9:13 PM6.7 ft | 6:29 AM | 4:43 PM | 10% |
| Sat Nov 7 | 3:20 AM0.3 ft | 9:31 AM7.6 ft | 3:56 PM-0.1 ft | 9:58 PM6.7 ft | 6:31 AM | 4:41 PM | 5% |
| Sun Nov 8 | 4:02 AM0.4 ft | 10:11 AM7.6 ft | 4:38 PM-0.1 ft | 10:40 PM6.6 ft | 6:32 AM | 4:40 PM | 1% |
| Mon Nov 9 | 4:43 AM0.5 ft | 10:51 AM7.5 ft | 5:19 PM-0.1 ft | 11:21 PM6.5 ft | 6:33 AM | 4:39 PM | 0% |
| Tue Nov 10 | 5:22 AM0.6 ft | 11:29 AM7.3 ft | 5:57 PM0.1 ft | 6:34 AM | 4:38 PM | 1% | |
| Wed Nov 11 | 12:01 AM6.4 ft | 6:01 AM0.8 ft | 12:09 PM7.1 ft | 6:36 PM0.3 ft | 6:35 AM | 4:37 PM | 4% |
| Thu Nov 12 | 12:43 AM6.2 ft | 6:41 AM1.0 ft | 12:49 PM6.8 ft | 7:17 PM0.5 ft | 6:37 AM | 4:36 PM | 10% |
| Fri Nov 13 | 1:25 AM6.1 ft | 7:24 AM1.1 ft | 1:32 PM6.6 ft | 7:59 PM0.6 ft | 6:38 AM | 4:36 PM | 17% |
| Sat Nov 14 | 2:09 AM6.0 ft | 8:09 AM1.3 ft | 2:18 PM6.4 ft | 8:44 PM0.8 ft | 6:39 AM | 4:35 PM | 25% |
| Sun Nov 15 | 2:56 AM5.9 ft | 8:58 AM1.4 ft | 3:07 PM6.2 ft | 9:32 PM0.9 ft | 6:40 AM | 4:34 PM | 35% |
| Mon Nov 16 | 3:45 AM5.9 ft | 9:52 AM1.4 ft | 3:58 PM6.1 ft | 10:23 PM1.0 ft | 6:41 AM | 4:33 PM | 45% |
| Tue Nov 17 | 4:36 AM5.9 ft | 10:48 AM1.3 ft | 4:52 PM6.0 ft | 11:14 PM0.9 ft | 6:42 AM | 4:32 PM | 56% |
| Wed Nov 18 | 5:27 AM6.1 ft | 11:44 AM1.1 ft | 5:48 PM6.0 ft | 6:44 AM | 4:31 PM | 66% | |
| Thu Nov 19 | 12:04 AM0.8 ft | 6:19 AM6.4 ft | 12:39 PM0.8 ft | 6:43 PM6.1 ft | 6:45 AM | 4:31 PM | 76% |
| Fri Nov 20 | 12:53 AM0.7 ft | 7:08 AM6.7 ft | 1:32 PM0.5 ft | 7:36 PM6.3 ft | 6:46 AM | 4:30 PM | 84% |
| Sat Nov 21 | 1:41 AM0.5 ft | 7:55 AM7.1 ft | 2:23 PM0.1 ft | 8:26 PM6.4 ft | 6:47 AM | 4:29 PM | 91% |
| Sun Nov 22 | 2:29 AM0.3 ft | 8:41 AM7.5 ft | 3:12 PM-0.3 ft | 9:14 PM6.6 ft | 6:48 AM | 4:29 PM | 96% |
| Mon Nov 23 | 3:16 AM0.1 ft | 9:28 AM7.8 ft | 4:01 PM-0.5 ft | 10:02 PM6.8 ft | 6:49 AM | 4:28 PM | 99% |
| Tue Nov 24 | 4:04 AM-0.1 ft | 10:15 AM8.0 ft | 4:50 PM-0.7 ft | 10:51 PM6.8 ft | 6:51 AM | 4:28 PM | 100% |
| Wed Nov 25 | 4:54 AM-0.1 ft | 11:05 AM8.1 ft | 5:41 PM-0.7 ft | 11:42 PM6.8 ft | 6:52 AM | 4:27 PM | 98% |
| Thu Nov 26 | 5:46 AM-0.1 ft | 11:57 AM7.9 ft | 6:33 PM-0.6 ft | 6:53 AM | 4:27 PM | 95% | |
| Fri Nov 27 | 12:35 AM6.8 ft | 6:40 AM-0.0 ft | 12:52 PM7.7 ft | 7:27 PM-0.4 ft | 6:54 AM | 4:26 PM | 89% |
| Sat Nov 28 | 1:32 AM6.7 ft | 7:39 AM0.1 ft | 1:50 PM7.4 ft | 8:24 PM-0.2 ft | 6:55 AM | 4:26 PM | 81% |
| Sun Nov 29 | 2:31 AM6.6 ft | 8:41 AM0.3 ft | 2:51 PM7.0 ft | 9:23 PM-0.0 ft | 6:56 AM | 4:26 PM | 73% |
| Mon Nov 30 | 3:32 AM6.6 ft | 9:47 AM0.5 ft | 3:54 PM6.7 ft | 10:24 PM0.1 ft | 6:57 AM | 4:25 PM | 63% |
How these predictions are made
Port Jefferson Harbor entrance is a subordinate station: NOAA derives its tides from the reference station Bridgeport by applying fixed offsets.
High tide time
+0h 02m
relative to Bridgeport
Low tide time
+0h 01m
relative to reference
High tide height
x0.98
ratio
Low tide height
x0.98
ratio
Nearby tide stations
- Port Jefferson1.7 mi · next high 5:26 AM
- Cedar Beach2.6 mi · next high 5:30 AM
- Mount Sinai Harbor2.8 mi · next high 5:26 AM
- Black Rock Harbor14 mi · next high 5:34 PM
- Northport, Northport Bay15 mi · next high 5:38 PM
- Sniffens Point15 mi · next high 5:32 AM
Questions
What time is high tide at Port Jefferson Harbor entrance today?
High tide at Port Jefferson Harbor entrance, New York on Sunday, October 18, 2026 is at 5:24 AM (5.8 ft above MLLW) and 5:40 PM (6.1 ft above MLLW), NOAA prediction, local time.
What time is low tide at Port Jefferson Harbor entrance today?
Low tide at Port Jefferson Harbor entrance on Sunday, October 18, 2026 is at 11:31 AM (1.7 ft).
What is the water temperature at Port Jefferson Harbor entrance?
The nearest NOAA water-temperature reading to Port Jefferson Harbor entrance is 64.2 F at buoy BRHC3 (15 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 8514594.