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Mount Sinai Harbor tide times

New York · NOAA station 8514421 · times in local time
Tuesday, October 27: high tide 12:15 AM (6.4 ft) and 12:27 PM (7.4 ft); low tide 6:33 AM (0.1 ft) and 7:15 PM (-0.4 ft).
next high tide
12:15 AM
6.4 ft
next low tide
6:33 AM
0.1 ft
moon
–
 

Tide chart — today, Tue, Oct 27

Heights in feet above Mean Lower Low Water (MLLW). Dots are NOAA's predicted highs and lows; the line between them is our interpolation. Shaded: night.

TideTimeHeight
High tide12:15 AM6.44 ft
Low tide6:33 AM0.06 ft
High tide12:27 PM7.37 ft
Low tide7:15 PM-0.41 ft

Mount Sinai Harbor tide table — next 7 days

DayHigh tidesLow tides
Today
Tue, Oct 27		12:15 AM 6.4 ft12:27 PM 7.4 ft6:33 AM 0.1 ft7:15 PM -0.4 ft
Tomorrow
Wed, Oct 28		1:02 AM 6.4 ft1:15 PM 7.3 ft7:19 AM 0.1 ft8:05 PM -0.3 ft
Thu, Oct 291:53 AM 6.2 ft2:07 PM 7.1 ft8:10 AM 0.3 ft8:58 PM -0.1 ft
Fri, Oct 302:47 AM 6.1 ft3:04 PM 6.8 ft9:07 AM 0.4 ft9:57 PM 0.1 ft
Sat, Oct 313:46 AM 5.9 ft4:06 PM 6.5 ft10:09 AM 0.6 ft10:59 PM 0.3 ft
Sun, Nov 13:50 AM 5.8 ft4:12 PM 6.3 ft10:17 AM 0.8 ft11:04 PM 0.5 ft
Mon, Nov 24:56 AM 5.8 ft5:21 PM 6.1 ft11:27 AM 0.8 ft

The year at Mount Sinai Harbor

Highest tide, next 12 months7.5 ft on September 30, 2027 at 11:53 AM
Lowest tide, next 12 months-1.0 ft on January 23, 2027 at 6:17 PM
Minus tides (below 0 ft)123 days in the next 12 months
Tide patternTwo high and two low tides a day
Typical daily range6.2 ft (30-day average)
StationNOAA 8514421 · subordinate station · 40.9633, -73.04

Mount Sinai Harbor is a subordinate station: NOAA computes its tides from Bridgeport with fixed time and height corrections.

Moving water at dawn and dusk —

The current runs fastest roughly halfway between a high and a low tide. Many anglers prefer those hours when they fall near sunrise or sunset. This is a rule of thumb, not a fishing forecast.

Map

Nearby tide stations

Cedar Beach0.2 mi · NY Port Jefferson2.1 mi · NY Port Jefferson Harbor entrance2.8 mi · NY Patchogue15 mi · NY Sniffens Point16 mi · CT Black Rock Harbor16 mi · CT Bridgeport16 mi · CT Gulf Beach17 mi · CT

All New York tide stations →

Questions about Mount Sinai Harbor tides

What time is high tide at Mount Sinai Harbor today?

On Tuesday, October 27, high tide at Mount Sinai Harbor is at 12:15 AM (6.4 ft) and 12:27 PM (7.4 ft); low tide is at 6:33 AM (0.1 ft) and 7:15 PM (-0.4 ft) (EDT, heights above MLLW). The table above lists the next 7 days.

When are the highest tides of the year at Mount Sinai Harbor?

The highest predicted tide in the next 12 months is 7.5 ft on September 30, 2027 at 11:53 AM. The largest tides fall a day or two after a full or new moon, especially when the Moon is closest to Earth.

Are there minus tides at Mount Sinai Harbor?

Yes — on 123 days in the next 12 months the low tide drops below 0 ft (MLLW). The lowest is -1.0 ft on January 23, 2027 at 6:17 PM. Minus tides expose the most shoreline, which is why tide-poolers look for them.

What time zone are these tide times in?

Station local time (EDT at the time this page was built), with daylight saving time applied where the area observes it — the same convention as NOAA's own tide tables.

Where does this tide data come from?

From NOAA CO-OPS, the U.S. government tide station network (tidesandcurrents.noaa.gov); the predictions are public domain. Mount Sinai Harbor is a subordinate station: NOAA derives its times and heights from the reference station Bridgeport with fixed corrections. The curve between highs and lows is our interpolation. This page is not for navigation.