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Harry Tappen Marina, Hempstead Harbor Tide Times
Tide table
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48-hour tide chart
MLLW · ft7-day tide forecast
NOAA predictionsLocation
40.8346, -73.6524About the Harry Tappen Marina, Hempstead Harbor tide station
Harry Tappen Marina, Hempstead Harbor is a harmonic reference station on the New York coast. NOAA computes predictions directly from decades of water-level observations here. Predictions on this page are astronomical — driven by the Moon and Sun — and do not include wind, pressure or storm surge. Where NOAA operates a live sensor, the water level reading shows the real tide right now, which is the best check on conditions.
What time is high tide today at Harry Tappen Marina, Hempstead Harbor?
The next high tide at Harry Tappen Marina, Hempstead Harbor is shown in the tide clock at the top of this page and in today's tide table, calculated by NOAA for station 8516607. Times are local to New York.
What time is low tide today at Harry Tappen Marina, Hempstead Harbor?
Low tide times for Harry Tappen Marina, Hempstead Harbor appear in today's tide table and on the day timeline, together with the predicted height in feet above Mean Lower Low Water (MLLW).
When is the best time to visit the beach or tide pools at Harry Tappen Marina, Hempstead Harbor?
Aim for the 90 minutes either side of a daylight low tide — the 'Beach · tide pools' window on this page. The lower the low, the more sand and rock is exposed; spring tides around new and full moon give the lowest lows.
How accurate are Harry Tappen Marina, Hempstead Harbor tide predictions?
NOAA's astronomical predictions are typically within a few inches and minutes under normal weather. Strong wind, storm surge and river discharge can push the real water level above or below the prediction, so check the observed level where a live sensor exists.
What does MLLW mean?
Mean Lower Low Water is the average of the lower of the two daily low tides over a 19-year period. A reading of 0.0 ft is a normal low; negative values are unusually low tides.