About Penarth Marina
Located in the historic basins of Penarth Docks, Penarth Quays is the most sheltered location within Cardiff Bay. Access to good quality, up-to-date facilities available 24 hours a day, with lock gates providing further protection the Marina is also the safest location to leave your vessel. Recognised as Cardiff Bay’s premier berthing location and with 24 hour access there is always water available for boating within the freshwater bay. A short distance from the Victorian town of Penarth and also within easy reach of Cardiff Bay.

Facilities
COORDINATES
51.44548 N, -3.17041 E
Port Information
Weather Forecast
Wed
1PM - 5PM
18 February 2026
- E 21 knots increasing to 25 knots. Gusts up to 38 knots.
- 6°C
- E 0.9m at 3s period
- Rain
Wed
5PM - 9PM
18 February 2026
- E 22 knots decreasing to 19 knots. Gusts up to 35 knots.
- 4 to 6°C
- E 0.9m at 3s period
- UV Index: 0 - Low
- Rain
Wed
9PM - 5AM
18 February 2026
- NE 17 knots decreasing to 9 knots. Gusts up to 27 knots.
- 4 to 6°C
- N 0.5-0.9m at 4s period
- UV Index: 0 - Low
- Chance of showers