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.
Facilities
Electricity
PetrolDiesel
Water
Showers
Toilets
Food
Bar
Boatbuilder
Supermarket
Haulout
Markets
SailmakerCOORDINATES
51.61635 N, -3.93418 E
Port Information
Weather Forecast
Wed
5AM - 9AM
20 May 2026
W 14 knots. Gusts up to 25 knots.
10 to 12°C
SW 1.4m at 8s period
UV Index: 0 - Low
Cloudy
Wed
9AM - 1PM
20 May 2026
- W 10–16 knots. Gusts up to 24 knots.
- 12°C
- SW 1.4m at 9s period
- UV Index: 6 - High
- Cloudy
Wed
1PM - 5PM
20 May 2026
- SW 12–14 knots. Gusts up to 21 knots.
- 12°C
- SW 1.2m at 8s period
- UV Index: 4 - Moderate
- Cloudy