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
Sat
5AM - 9AM
07 February 2026
SE 8–12 knots. Gusts up to 20 knots.
7°C
SW 1.3m at 11s period
UV Index: 0 - Low
Chance of showers
Sat
9AM - 1PM
07 February 2026
- SE 8–11 knots. Gusts up to 17 knots.
- 8°C
- SW 1.2m at 12s period
- UV Index: 0 - Low
- Chance of showers
Sat
1PM - 5PM
07 February 2026
- S 9–14 knots veering SW 9-14 knots. Gusts up to 21 knots.
- 8°C
- SW 1.2m at 10s period
- UV Index: 0 - Low
- Chance of showers