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
Mon
5AM - 9AM
18 May 2026
W 8 knots increasing to 12 knots. Gusts up to 22 knots.
7 to 10°C
SW 0.9m at 6s period
UV Index: 0 - Low
Chance of showers
Mon
9AM - 1PM
18 May 2026
- SW 10–14 knots. Gusts up to 19 knots.
- 10°C
- SW 0.9m at 6s period
- UV Index: 5 - Moderate
- Chance of showers
Mon
1PM - 5PM
18 May 2026
- SW 14 knots decreasing to 11 knots. Gusts up to 19 knots.
- 11°C
- SW 0.8m at 5s period
- UV Index: 5 - Moderate
- Cloudy