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.

Instalaciones
COORDINATES
51.61635 N, -3.93418 E
Port Information
Weather Forecast
Wed
5AM - 9AM
15 July 2026
- E 8–10 knots. Gusts up to 22 knots.
- 18 to 21°C
- Calm sea
- UV Index: 2 - Low
- Partly cloudy
Wed
9AM - 1PM
15 July 2026
- E 9–12 knots. Gusts up to 18 knots.
- Increasing from 20 to 25°C
- Calm sea
- UV Index: 6 - High
- Mostly fine
Wed
1PM - 5PM
15 July 2026
- E 10 knots decreasing to SE 5 knots.
- 25 to 30°C
- Calm sea
- UV Index: 6 - High
- Sunny