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
Fri
5AM - 9AM
15 May 2026
- NW 4 knots increasing to 8 knots.
- Increasing from 3 to 9°C
- Calm sea
- UV Index: 0 - Low
- Sunny
Fri
9AM - 1PM
15 May 2026
- NW 9 knots increasing to 13 knots. Gusts up to 19 knots.
- 9 to 12°C
- Calm sea
- UV Index: 3 - Moderate
- Mostly fine
Fri
1PM - 5PM
15 May 2026
- NW 12 knots. Gusts up to 19 knots.
- 11°C
- NW 0.4m at 3s period
- UV Index: 2 - Low
- Partly cloudy