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.
Installations
Électricité
EauCOORDINATES
43.08249 N, -70.73331 E
Port Information
Téléphone
Profondeur à la marée basse moyenne
2 - 3m
Manœuvrabilité
Fair
Channel Marking
Fair
Port d'entrée
No
Overseas Visitor Berths
Yes
Type de quai
Floating
Style Stern To
Yes
Tidal Flow
Beware
Weather Forecast
Wed
5AM - 9AM
11 February 2026
W 6 knots.
−4 to −1°C
Mostly fine
Wed
9AM - 1PM
11 February 2026
- NW 5 knots increasing to 10 knots. Gusts up to 21 knots.
- Increasing from −2 to 1°C
SW 0.5m at 4s period
UV Index: 1 - Low- Mostly fine
Wed
1PM - 5PM
11 February 2026
- NW 11 knots decreasing to 7 knots. Gusts up to 21 knots.
- −1 to 2°C
- W 0.5m at 3s period
- UV Index: 0 - Low
- Partly cloudy