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
Einrichtungen
Strom
BenzinDiesel
Wasser
WLAN
Duschen
Abwasser
Toiletten
Recycling
AuskranenCOORDINATES
43.11636 N, 70.83558 W
Port Information
Telefon
Berth Sizes
10-20m
Tiefe bei MLW
2 - 3m
Manövrierbarkeit
Fair
Channel Marking
Fair
Overseas Visitor Berths
Yes
Katamaran-Liegeplätze
Yes
Stegart
Floating
Style Side To
Yes
Style Stern To
Yes
Tidal Flow
Negligible
Active Winter
Yes
Weather Forecast
Wed
5AM - 9AM
29 July 2026
SE 5 knots increasing to 8 knots.
17 to 20°C
SE 0.7m at 6s period
UV Index: 0 - Low
Cloudy
Wed
9AM - 1PM
29 July 2026
- SE 8–10 knots. Gusts up to 19 knots.
- 19 to 22°C
- SE 0.8m at 5s period
- UV Index: 1 - Low
- Cloudy
Wed
1PM - 5PM
29 July 2026
- E 8–10 knots. Gusts up to 21 knots.
- 18 to 21°C
- E 1.0m at 5s period
- UV Index: 0 - Low
- Chance of showers