About Swansea Marina
In Swansea Bay tidal streams flow anti-clockwise for 9.5 hours (Swansea HW -3.5 to +6), with at times a race off Mumbles Hd. From HW -6 to -3 the stream reverses, setting North past Mumbles Hd towards Swansea. Keep seaward of Mixon Shoal. When North of SW Inner Green Grounds (SWIGG) SCM It buoy, Q (6) + LFI 15s keep to West of dredged channel and clear of commercial ships. Yachts must motor in harbour and approach, maximum speed 4 knots.

Servizi
COORDINATES
51.61635 N, -3.93418 E
Port Information
Weather Forecast
Thu
5AM - 9AM
02 April 2026
- NW 5 knots increasing to 7 knots. Gusts up to 20 knots.
- Increasing from 1 to 6°C
- W 0.4m at 6s period
- UV Index: 0 - Low
- Sunny
Thu
9AM - 1PM
02 April 2026
- N 4–8 knots backing W 4-8 knots.
- Increasing from 6 to 9°C
- W 0.4m at 7s period
- UV Index: 3 - Moderate
- Partly cloudy
Thu
1PM - 5PM
02 April 2026
- W 7 knots increasing to 11 knots.
- 8 to 10°C
- W 0.5m at 6s period
- UV Index: 3 - Moderate
- Cloudy