Sailseer

Port Jefferson Marina

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

Plan route from Port Jefferson MarinaShow on map

Port Jefferson Marina 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 4.5 m. Facilities on site: Toilets, Diesel, Slipway, Restaurant, Groceries, Repairs. The nearest harbour by water is Mount Sinai (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 4.5 m

Depth source: EMODnet (estimate)

Location: 40° 56,86' N 073° 04,27' W

From OpenStreetMap (way/566273361). Depth 4.5 m estimated off the entrance from the EMODnet model, not guaranteed.

Facilities

ToiletsDieselSlipwayRestaurantGroceriesRepairs

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 Port Jefferson Marina?

The water depth in the harbour is about 4.5 m. Source of the depth: EMODnet (estimate). Always rely on the chart and the echo sounder.

Is there diesel at Port Jefferson Marina?

Yes, according to the harbour data there is diesel at Port Jefferson Marina.

What facilities does Port Jefferson Marina have?

Facilities on site: Toilets, Diesel, Slipway, Restaurant, Groceries, Repairs.

Which harbours are near Port Jefferson Marina?

By water: Mount Sinai (5.2 nm), Long Beach Marina (New York and Long Island (New York, Hudson, Long Island, Montauk)) (7.9 nm), The Kings Park Bluff (8.7 nm), South Benson Marina (13.8 nm), Captain's Cove Seaport (14.4 nm), Bridgeport Harbor Marina (15.1 nm).

What is the weather like in Port Jefferson Marina?

For Port Jefferson Marina, 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/566273361, OpenStreetMap (harbour services) (as of 2026-10-21) Location and facilities partly from OpenStreetMap (© OpenStreetMap contributors, ODbL).