Seaport Marina
Delaware Bay and Delaware River (Delaware City, Philadelphia) · USA
Plan route from Seaport MarinaShow on map
Seaport Marina is a harbour in the Delaware Bay and Delaware River (Delaware City, Philadelphia) cruising area, USA. The water depth in the harbour is about 3.5 m. The nearest harbour by water is Thompsontown (4.2 nm). With Sailseer you can plan passages from here with weather from nine models, tides, currents and bridge times.
Harbour info
Water depth: Harbour 3.5 m
Depth source: EMODnet (estimate)
Location: 39° 21,16' N 074° 42,24' W
From OpenStreetMap (way/1131154534). Depth 3.5 m estimated off the entrance from the EMODnet model, not guaranteed.
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
- Thompsontown 4.2 nm N · Plan route
- Beesley's Point Sea-Doo Inc. 5.3 nm SE · Plan route
- Smith's Marina (New Jersey (Cape May, Atlantic City, Barnegat Bay)) 7.2 nm SE · Plan route
- Harbour Cove Marina 7.5 nm E · Plan route
- Yacht Club of Pleasantville 14.9 nm E · Plan route
- Avalon Yacht Club 20.2 nm S · 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 Seaport Marina?
The water depth in the harbour is about 3.5 m. Source of the depth: EMODnet (estimate). Always rely on the chart and the echo sounder.
Which harbours are near Seaport Marina?
By water: Thompsontown (4.2 nm), Beesley's Point Sea-Doo Inc. (5.3 nm), Smith's Marina (New Jersey (Cape May, Atlantic City, Barnegat Bay)) (7.2 nm), Harbour Cove Marina (7.5 nm), Yacht Club of Pleasantville (14.9 nm), Avalon Yacht Club (20.2 nm).
What is the weather like in Seaport Marina?
For Seaport 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/1131154534, Harbour website (as of 2026-10-21) Location and facilities partly from OpenStreetMap (© OpenStreetMap contributors, ODbL).