About Great Bay Marine Inc
Founded in 1956, Great Bay Marine is New Hampshire Seacoast’s only year-round, full-service boating facility. Located six miles up the Piscataqua River, we serve Rockingham county, plus surrounding counties and states along the New England Seacoast. This location is ideal for most shopping, grocery, and transportation needs. 128 Slips accommodating 13′ to 70′ LOA Available 30A & 50A Power and Fresh Water Free High Speed Wireless 72 Moorings, Dedicated Dinghy Dock 4 Moorings at Hilton Park for Tall Rig Sailboats Transient Slip & Mooring Availability
Servizi
Elettricità
BenzinaDiesel
Acqua
Wifi
Docce
Acque Reflue
Toilette
Riciclaggio
AlaggioCOORDINATES
43.11636 N, -70.83558 E
Port Information
Telefono
Berth Sizes
10-20m
Profondità alla Bassa Marea Media
2 - 3m
Manovrabilità
Fair
Channel Marking
Fair
Overseas Visitor Berths
Yes
Ormeggi per Catamarani
Yes
Tipo di Molo
Floating
Style Side To
Yes
Style Stern To
Yes
Tidal Flow
Negligible
Active Winter
Yes
Weather Forecast
Tue
5AM - 9AM
12 May 2026
NW 5 knots increasing to 7 knots.
Increasing from 1 to 10°C
E 0.9m at 8s period
UV Index: 0 - Low
Sunny
Tue
9AM - 1PM
12 May 2026
- NW 6–10 knots.
- Increasing from 11 to 14°C
- E 0.8m at 8s period
- UV Index: 5 - Moderate
- Sunny
Tue
1PM - 5PM
12 May 2026
- NW 6–12 knots. Gusts up to 17 knots.
- 14°C
- E 0.7m at 8s period
- UV Index: 4 - Moderate
- Partly cloudy