Sailseer

Mount Sinai

New York and Long Island (New York, Hudson, Long Island, Montauk) · USA

Plan route from Mount SinaiShow on map

Mount Sinai is a harbour in the New York and Long Island (New York, Hudson, Long Island, Montauk) cruising area, USA. The water depth in the harbour is about 4.8 m. Facilities on site: Slipway. The nearest harbour by water is Port Jefferson Marina (5.2 nm). With Sailseer you can plan passages from here with weather from nine models, tides, currents and bridge times.

Harbour info

Water depth: Harbour 4.8 m

Depth source: EMODnet (estimate)

Location: 40° 57,82' N 073° 01,91' W

From OpenStreetMap (way/961784322). Operator: Town of Brookhaven. Depth 4.8 m estimated off the entrance from the EMODnet model, not guaranteed. No name in OpenStreetMap, named after the nearest town.

Facilities

Slipway

10-day outlook

DayWind knGusts knfromWavesWeather
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Strongest wind and gust per day, mean of ECMWF and GFS; from day six only a trend. Hourly forecast, models and warnings on the map

Nearest harbours by water

Harbour guides and charts

Rules and formalities

Frequently asked questions

How deep is the water at Mount Sinai?

The water depth in the harbour is about 4.8 m. Source of the depth: EMODnet (estimate). Always rely on the chart and the echo sounder.

What facilities does Mount Sinai have?

Facilities on site: Slipway.

Which harbours are near Mount Sinai?

By water: Port Jefferson Marina (5.2 nm), Long Beach Marina (New York and Long Island (New York, Hudson, Long Island, Montauk)) (9.6 nm), The Kings Park Bluff (10.4 nm), South Benson Marina (14.2 nm), Bridgeport Harbor Marina (14.4 nm), Captain's Cove Seaport (14.7 nm).

What is the weather like in Mount Sinai?

For Mount Sinai, Sailseer shows the 10-day outlook from ECMWF and GFS and, on the map, the hourly forecast from nine models with official warnings and measured wind.

Sources: OpenStreetMap way/961784322, OpenStreetMap (harbour services) (as of 2026-10-21) Location and facilities partly from OpenStreetMap (© OpenStreetMap contributors, ODbL).