About Cardiff Marina
350 BERTHS LOCATED IN THE VIBRANT CAPITAL CITY WITH A WORLD CLASS WATERFRONT. The Ranie Buoy (PORT HAND BUOY) marks the extremity of the rocks and sand spit of Lavernock Point. The south Cardiff cardinal buoy makes the southern extremity of the Cardiff Grounds. From a position between the two buoys make a course for the Outer Wrach Buoy (West Cardinal Buoy). Follow the Wrach Channel and Buoys into the Cardiff Bay Outer Harbour.

Facilities
COORDINATES
51.44781 N, -3.18161 E
Port Information
Telephone
Berth Sizes
< 10m, 10-20m
VHF Channel
37
Catamaran Berths
Yes
Dock Type
Floating
Style Side To
Yes
Weather Forecast
Sun
5AM - 9AM
08 February 2026
- S 6–9 knots.
- 7°C
- Calm sea
- UV Index: 0 - Low
- Cloudy
Sun
9AM - 1PM
08 February 2026
- S 7–10 knots.
- 8°C
- Calm sea
- UV Index: 0 - Low
- Cloudy
Sun
1PM - 5PM
08 February 2026
- S 9 knots increasing to 11 knots. Gusts up to 17 knots.
- 9°C
- Calm sea
- UV Index: 0 - Low
- Cloudy