- Low 3:25 AM 0.6 ft
- High 9:37 AM 7.1 ft
- Low 3:56 PM 0.3 ft
- High 10:01 PM 6.9 ft
First light 6:44 AMSunrise 7:13 AMSunset 5:59 PMLast light 6:28 PM
Port Jefferson Harbor Entrance, NY Tide Chart & Tide Times
NOAA tide station 8514594 · New York · updated Oct 23, 2026
Fri, Oct 23: High tide 9:37 AM (7.1 ft) and 10:01 PM (6.9 ft); low tide 3:25 AM (0.6 ft) and 3:56 PM (0.3 ft).
Tide todayHigh 9:37 AM · High 10:01 PMLow 3:25 AM · Low 3:56 PM
Today's range6.8 ft0.3 → 7.1 ft (MLLW)
Waves (buoy)Loading…NDBC 44025
Water temp (buoy)Loading…
WindLoading…
Sun7:13 AM – 5:59 PMFirst light 6:44 AM · Last light 6:28 PM
Buoy: NOAA NDBC 44025 (LONG ISLAND - 30 NM South of Islip, NY), 50 mi away. Buoy readings are recent observations, not a surf forecast. Wind: observed at NOAA CO-OPS station 8467150 (Bridgeport), 15 mi away; forecast from the NOAA National Weather Service (api.weather.gov).
Port Jefferson Harbor Entrance tides — next 3 days
Shaded = night · heights in feet above MLLW · local time
- Low 4:07 AM 0.4 ft
- High 10:18 AM 7.5 ft
- Low 4:41 PM -0.0 ft
- High 10:44 PM 7.0 ft
First light 6:45 AMSunrise 7:14 AMSunset 5:58 PMLast light 6:26 PM
- Low 4:49 AM 0.2 ft
- High 10:58 AM 7.8 ft
- Low 5:26 PM -0.3 ft
- High 11:28 PM 7.1 ft
First light 6:46 AMSunrise 7:15 AMSunset 5:56 PMLast light 6:25 PM
- Low 5:32 AM 0.1 ft
- High 11:40 AM 8.1 ft
- Low 6:11 PM -0.4 ft
First light 6:47 AMSunrise 7:16 AMSunset 5:55 PMLast light 6:24 PM
Port Jefferson Harbor Entrance tide table — next 9 days
| Fri, Oct 23 | Low 3:25 AM 0.58 ft | High 9:37 AM 7.13 ft | Low 3:56 PM 0.33 ft | High 10:01 PM 6.85 ft |
|---|---|---|---|---|
| Sat, Oct 24 | Low 4:07 AM 0.36 ft | High 10:18 AM 7.53 ft | Low 4:41 PM -0.03 ft | High 10:44 PM 7.01 ft |
| Sun, Oct 25 | Low 4:49 AM 0.19 ft | High 10:58 AM 7.84 ft | Low 5:26 PM -0.30 ft | High 11:28 PM 7.09 ft |
| Mon, Oct 26 | Low 5:32 AM 0.08 ft | High 11:40 AM 8.05 ft | Low 6:11 PM -0.45 ft | |
| Tue, Oct 27 | High 12:13 AM 7.10 ft | Low 6:16 AM 0.06 ft | High 12:25 PM 8.12 ft | Low 6:58 PM -0.45 ft |
| Wed, Oct 28 | High 1:00 AM 7.01 ft | Low 7:02 AM 0.13 ft | High 1:13 PM 8.04 ft | Low 7:48 PM -0.32 ft |
| Thu, Oct 29 | High 1:51 AM 6.86 ft | Low 7:53 AM 0.28 ft | High 2:05 PM 7.82 ft | Low 8:41 PM -0.09 ft |
| Fri, Oct 30 | High 2:45 AM 6.68 ft | Low 8:50 AM 0.49 ft | High 3:02 PM 7.52 ft | Low 9:40 PM 0.17 ft |
| Sat, Oct 31 | High 3:44 AM 6.51 ft | Low 9:52 AM 0.70 ft | High 4:04 PM 7.18 ft | Low 10:42 PM 0.39 ft |
Times are local (standard/daylight). Heights in feet above MLLW.
Nearby tide stations
- Port Jefferson, NY 1.7 mi
- Cedar Beach, NY 2.6 mi
- Mount Sinai Harbor, NY 2.8 mi
- Black Rock Harbor, CT 14.3 mi
- Northport, Northport Bay, NY 14.5 mi
- Sniffens Point, CT 14.9 mi
- Bridgeport, CT 14.9 mi
- Southport, Southport Harbor, CT 15.0 mi
About this station
- NOAA station ID
- 8514594
- Type
- Subordinate station (offsets from NOAA station 8467150)
- Coordinates
- 40.9717, -73.0917
- Datum
- MLLW (feet)
- Time zone
- America/New_York
FAQ
When is high tide today at Port Jefferson Harbor Entrance, NY?
On Fri, Oct 23, predicted high tide at Port Jefferson Harbor Entrance, NY is at 9:37 AM, 10:01 PM local time.
When is low tide today at Port Jefferson Harbor Entrance, NY?
On Fri, Oct 23, predicted low tide at Port Jefferson Harbor Entrance, NY is at 3:25 AM, 3:56 PM local time.
Where does this tide data come from?
Predictions come from NOAA's Center for Operational Oceanographic Products and Services (CO-OPS), station 8514594. Heights are in feet relative to Mean Lower Low Water (MLLW).