Threemile Harbor
New York and Long Island (New York, Hudson, Long Island, Montauk) · USA
Plan route from Threemile HarborShow on map
Threemile Harbor 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 4.1 m. The nearest harbour by water is Maidstone Park (0.8 nm). With Sailseer you can plan passages from here with weather from nine models, tides, currents and bridge times.
Harbour info
Water depth: Harbour 4.1 m
Depth source: EMODnet (estimate)
Location: 41° 00,88' N 072° 10,84' W
From OpenStreetMap (way/53563066). Depth 4.1 m estimated off the entrance from the EMODnet model, not guaranteed. No name in OpenStreetMap, named after the nearest town.
10-day outlook
| Day | Wind kn | Gusts kn | from | Waves | Weather | |
|---|---|---|---|---|---|---|
| loading … | ||||||
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
- Maidstone Park 0.8 nm N · Plan route
- Three Mile Harbor Marina 1 nm S · Plan route
- Devon Yacht Club 7.7 nm E · Plan route
- Orient by the Sea 9.1 nm N · Plan route
- Sag Harbor 9.6 nm W · Plan route
- Safe Harbor Stirling 10.9 nm NW · Plan route
Harbour guides and charts
- OpenSeaMap Chart with buoys, lights and harbour details
- OpenStreetMap Map with paths, shops and addresses ashore
- Google Maps Satellite view, Street View, opening hours ashore
- Windy Webcams Webcams nearby
- Navily Photos, reviews, prices and berth booking
- noforeignland Anchorages, services and reports from cruising sailors
Rules and formalities
Frequently asked questions
How deep is the water at Threemile Harbor?
The water depth in the harbour is about 4.1 m. Source of the depth: EMODnet (estimate). Always rely on the chart and the echo sounder.
Which harbours are near Threemile Harbor?
By water: Maidstone Park (0.8 nm), Three Mile Harbor Marina (1 nm), Devon Yacht Club (7.7 nm), Orient by the Sea (9.1 nm), Sag Harbor (9.6 nm), Safe Harbor Stirling (10.9 nm).
What is the weather like in Threemile Harbor?
For Threemile Harbor, 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/53563066 (as of 2026-10-21) Location and facilities partly from OpenStreetMap (© OpenStreetMap contributors, ODbL).