About PNSY - The Back Channel Marina
MWR maintains two marina facilities at Portsmouth Naval Shipyard, Sound Basin and the Back Channel. Rental slips and moorings are available by the season to active duty, retired military and employees of the shipyard. The Sound Basin Marina has 70 slips and 62 deep water moorings and offers a transient pier and peirside water. The Back Channel Marina has 68 slips and 18 deep water moorings and offers a transient pier and pierside water and electricity.

Instalaciones
COORDINATES
43.08249 N, -70.73331 E
Port Information
Teléfono
Profundidad en Marea Baja Media
2 - 3m
Maniobrabilidad
Fair
Channel Marking
Fair
Puerto de Entrada
No
Overseas Visitor Berths
Yes
Tipo de Muelle
Floating
Style Stern To
Yes
Tidal Flow
Beware
Weather Forecast
Wed
9AM - 1PM
15 July 2026
- NW 8 knots increasing to 11 knots. Gusts up to 20 knots.
- 26 to 31°C
- SE 0.4m at 7s period
- Chance of showers
Wed
1PM - 5PM
15 July 2026
- NW 9–16 knots. Gusts up to 23 knots.
- 26 to 31°C
- S 0.4m at 7s period
- UV Index: 6 - High
- Cloudy
Wed
5PM - 9PM
15 July 2026
- NW 13 knots decreasing to 6 knots. Gusts up to 23 knots.
- Decreasing from 28 to 22°C
- Calm sea
- UV Index: 0 - Low
- Mostly fine