About Fort Amherst Harbour Authority- St. John's (Prosser's Rock)
Welcome to the Fort Amherst Harbour Authority Small Boat Basin Website. We're located in the narrows of beautiful St. John's Harbour, Newfoundland, Canada. Please feel free to contact us for any information you require. Our hours are from 9:00 am to 5:00 pm Monday to Saturday. St. John's (Prosser Rock) Small Boat Basin at Newfoundland and Labrador with address 3 Fort Amherst Road, St. John's t.+1 (709) 687-8266 managed by Fort Amherst Harbour Authority



Facilities
COORDINATES
47.56514 N, -52.68897 E
Port Information
Telephone
Berth Sizes
< 10m, 10-20m
Depth at MLW
3m+
Manoeuvrability
Fair
Channel Marking
Fair
Port of Entry
No
Dock Type
Fixed
Style Side To
Yes
Tidal Flow
Beware
Active Winter
Yes
Weather Forecast
Mon
5AM - 9AM
25 May 2026
- SW 6 knots increasing to 9 knots. Gusts up to 17 knots.
- Increasing from 4 to 8°C
- N 1.9m at 11s period
- UV Index: 0 - Low
- Partly cloudy
Mon
9AM - 1PM
25 May 2026
- SW 8–10 knots veering N 8-10 knots. Gusts up to 17 knots.
- 9°C
- N 1.7m at 10s period
- UV Index: 6 - High
- Mostly fine
Mon
1PM - 5PM
25 May 2026
- N 8–11 knots.
- 7 to 10°C
- N 1.5m at 10s period
- UV Index: 6 - High
- Sunny