Mount Sinai Harbor Tide Times and Tide Chart, NY

Today's tide

Estimated curve between high and low timesNightHeight above MLLW

0 ft2 ft4 ft6 ftNOW 11:155:39 AMLow · 0.6 ft11:31 AMHigh · 6.6 ft6:14 PMLow · 0.1 ft

Heights and times are estimated from Bridgeport, Bridgeport Harbor using NOAA offsets. Only the high and low points are official; the curve between them is drawn by us.

Today's tides

ft above MLLW

Low5:39 AM0.6 ft
High11:31 AM6.6 ft
Low6:14 PM0.1 ft

Tide times for Mount Sinai Harbor
Tide	Time	Height
Low	5:39 AM	0.6 ft
High	11:31 AM	6.6 ft
Low	6:14 PM	0.1 ft

Sunrise

6:34 AM

First light 6:05

Sunset

4:40 PM

Last light 5:09

Moon

Waxing crescent

Tide range

6.6 ft

Mean 5.8 ft

Best windows today

Plan the week →

Fishing
4:00 to 6:00 PM
Moving water near sunset, as the tide falls toward the 6:14 PM low. Second window 6:00 to 7:00 AM.
Tidepools & shelling
4:00 to 5:00 PM
Today's best window (6:00 to 7:00 AM) has passed. Today's lowest water is at 6:14 PM, before sunrise or after sunset. Best daylight window is 6:00 to 7:00 AM.
Surfing
Next: Wed 8:00 to 10:00 AM
Earlier today: 8:00 to 9:00 AM
Today's best window (8:00 to 9:00 AM) has passed.
Shallow boat launch
Avoid 4:00 to 8:00 PM
Under 1.5 ft around low water. Launch before 4:00 PM.

Plan the week

Moving water around the turn often fishes best. Local species and bait matter more than any chart.

Next 7 days

November calendar →

High and low tides for the next 7 days, heights in ft
Day	Tide 1	Tide 2	Tide 3	Tide 4	Range, ft
TodayTue 10	L5:39a0.6	H11:31a6.6	L6:14p0.1		6.6
WedNov 11	H12:03a5.8	L6:18a0.7	H12:11p6.4	L6:53p0.2	6.2
ThuNov 12	H12:45a5.7	L6:58a0.9	H12:51p6.2	L7:34p0.4	5.8
FriNov 13	H1:27a5.5	L7:41a1.0	H1:34p6.0	L8:16p0.6	5.4
SatNov 14	H2:11a5.4	L8:26a1.1	H2:20p5.8	L9:01p0.7	5.1
SunNov 15	H2:58a5.3	L9:15a1.2	H3:09p5.6	L9:49p0.8	4.8
MonNov 16	H3:47a5.3	L10:09a1.2	H4:00p5.5	L10:40p0.9	4.7

Tide predictions and observations: NOAA National Ocean Service, Center for Operational Oceanographic Products and Services (CO-OPS), station 8514421.

Nearby stations

Currents

Port Jefferson Harbor entrance

Current predictions are delayed. Try again soon.

Current predictions for Port Jefferson Harbor entrance, 3 mi away. Currents near inlets can be strong. Not for navigation.

Station details

Datum: Mean lower low water
Predictions: NOAA subordinate, from Bridgeport, Bridgeport Harbor
Live gauge: None
Coordinates: 40.963° N, 73.040° W
Time zone: Eastern, UTC−5
Station ID: NOAA 8514421

About the tides at Mount Sinai Harbor

Expect two roughly equal high tides a day at Mount Sinai Harbor, each arriving about 50 minutes later than the day before. The pattern follows the reference station at Bridgeport, Bridgeport Harbor. With a mean range of about 5.8 ft, the shoreline here changes a lot between high and low water. That is larger than most New York stations on this site. Looking a year ahead, predictions peak at 7.5 ft on September 30 and bottom out at −1.0 ft on January 23.

Tides here are worked out from the reference station at Bridgeport, Bridgeport Harbor, with NOAA time and height corrections. Times are good for planning, but local wind can shift them. The nearest other station is Cedar Beach, 0.2 mi away, where high tide comes about 9 min later. For tidal currents, see Port Jefferson Harbor entrance.

Predictions are based on Bridgeport, Bridgeport Harbor.

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Tide predictions and water levels from NOAA CO-OPS. For planning only, not for navigation. Real water levels can differ because of wind, air pressure and river flow. Always check conditions on site.

Mount Sinai Harbor tide times