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
1PM - 5PM
18 February 2026
E 12–19 knots. Gusts up to 31 knots.
4 to 7°C
SE 1.1m at 6s period
Chance of showers
Wed
5PM - 9PM
18 February 2026
- E 11–17 knots. Gusts up to 32 knots.
- 4°C
- S 1.1m at 6s period
UV Index: 0 - Low- Chance of showers
Wed
9PM - 5AM
18 February 2026
- N 13 knots decreasing to 6 knots. Gusts up to 24 knots.
- 3°C
- SW 0.8m at 9s period
- UV Index: 0 - Low
- Chance of showers