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.

Comodidades
COORDINATES
43.08249 N, -70.73331 E
Port Information
Telefone
Profundidade na MLW
2 - 3m
Manobrabilidade
Fair
Channel Marking
Fair
Porto de entrada
No
Overseas Visitor Berths
Yes
Tipo de doca
Floating
Style Stern To
Yes
Tidal Flow
Beware
Weather Forecast
Sat
5AM - 9AM
27 June 2026
- Light and variable.
- 16°C
- SE 0.4m at 8s period
- UV Index: 0 - Low
- Partly cloudy
Sat
9AM - 1PM
27 June 2026
- N 4 knots increasing to SE 6 knots.
- 17 to 22°C
- SE 0.4m at 8s period
- UV Index: 7 - High
- Partly cloudy
Sat
1PM - 5PM
27 June 2026
- SE 6 knots.
- 17 to 22°C
- SE 0.4m at 8s period
- UV Index: 7 - High
- Mostly fine