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.

Einrichtungen
COORDINATES
51.61635 N, 3.93418 W
Port Information
Weather Forecast
Tue
5AM - 9AM
28 July 2026
- SW 4–8 knots.
- 18°C
- SW 0.5m at 4s period
- UV Index: 0 - Low
- Cloudy
Tue
9AM - 1PM
28 July 2026
- SW 8 knots.
- 19°C
- SW 0.4m at 4s period
- UV Index: 6 - High
- Cloudy
Tue
1PM - 5PM
28 July 2026
- SW 5–8 knots.
- 20 to 23°C
- Calm sea
- UV Index: 6 - High
- Cloudy