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 W
Port Information
Weather Forecast
Thu
5AM - 9AM
30 July 2026
- SW 4–7 knots veering NW 4-7 knots.
- 16°C
- Calm sea
- UV Index: 0 - Low
- Cloudy
Thu
9AM - 1PM
30 July 2026
- NW 5–7 knots.
- Increasing from 16 to 20°C
- Calm sea
- UV Index: 1 - Low
- Cloudy
Thu
1PM - 5PM
30 July 2026
- W 7–9 knots.
- 21 to 23°C
- Calm sea
- UV Index: 5 - Moderate
- Sunny