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
Tue
5AM - 9AM
19 May 2026
- SW 18 knots decreasing to 12 knots. Gusts up to 29 knots.
- 13°C
- S 0.5-1.0m at 3s period
- UV Index: 0 - Low
- Chance of showers
Tue
9AM - 1PM
19 May 2026
- SW 13–16 knots. Gusts up to 23 knots.
- 13°C
- SW 0.6m at 3s period
- UV Index: 2 - Low
- Chance of showers
Tue
1PM - 5PM
19 May 2026
- SW 14 knots increasing to 17 knots. Gusts up to 25 knots.
- 14°C
- SW 0.5m at 3s period
- UV Index: 2 - Low
- Chance of showers