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
Fri
1PM - 5PM
06 February 2026
- SW 6 knots increasing to 9 knots. Gusts up to 16 knots.
- 10°C
- Calm sea
- Chance of showers
Fri
5PM - 9PM
06 February 2026
- S 11 knots decreasing to 9 knots. Gusts up to 19 knots.
- 8 to 10°C
- Calm sea
- UV Index: 0 - Low
- Partly cloudy
Fri
9PM - 5AM
06 February 2026
- SE 8 knots increasing to 13 knots. Gusts up to 21 knots.
- 7°C
- S 0.5m at 5s period
- UV Index: 0 - Low
- Chance of showers