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Boiler Reef 53.0
#4231 of 5753 surf spots in the world · 🇬🇧 United Kingdom · Swansea · near Swansea
Very consistent, wind is the enemy here, no off season.
Works all yearIntermediate
Surf score53.0 /100
Surfable days76% of the year
Clean days7% groundswell + friendly wind
Groundswell18% period 11 s+
Typical size1.0 m 3.4 ft median
Water13°C a 4/3 with boots
Best time to surf Boiler Reef
The best time to surf Boiler Reef is January, March, November. It rarely works. In November the water sits around 13°C, so pack a 5/4 with boots and hood, and the typical wave is 1.5 m. The nearest airport is CWL (62 km) and the nearest town is Swansea (21 km).
| Month | Surfable | Clean | Size | Water | Suit |
|---|---|---|---|---|---|
| Jan | 83% | 13% | 1.4 m | 8°C | 6/5 |
| Feb | 91% | 6% | 1.8 m | 8°C | 6/5 |
| Mar | 87% | 11% | 1.1 m | 9°C | 6/5 |
| Apr | 71% | 10% | 0.8 m | 10°C | 5/4 |
| May | 67% | 4% | 0.8 m | 13°C | 5/4 |
| Jun | 56% | 3% | 0.6 m | 15°C | 4/3 |
| Jul | 50% | 1% | 0.6 m | 18°C | 3/2 |
| Aug | 63% | 0% | 0.8 m | 19°C | 2mm |
| Sep | 72% | 1% | 0.9 m | 17°C | 3/2 |
| Oct | 89% | 4% | 1.3 m | 15°C | 4/3 |
| Nov | 94% | 22% | 1.5 m | 13°C | 5/4 |
| Dec | 91% | 4% | 1.7 m | 10°C | 5/4 |
Why 53.0
Seven parts, each normalised 0 to 1 and weighted; the sum is scaled so the best spot in the world is 100.
Consistency 26%
23.0
Clean days 24%
3.9
Groundswell 12%
3.3
Season spread 10%
10.0
Wave size 8%
2.3
Water comfort 10%
0.1
Access 10%
9.1
The detail
Faces 180° with 58% open water around it. Friendly morning wind 41% of days. Mean peak period 9.1 s. Days over 3 m: 4%. Mellow days (0.4 to 1.2 m): 50%. Months that work: 12 of 12. Coordinates 51.538, -4.212 (OpenStreetMap).
Spots nearby
Horton🇬🇧 United Kingdom · score 49.3Slade🇬🇧 United Kingdom · score 51.8Rhossili🇬🇧 United Kingdom · score 55.3Three cliffs🇬🇧 United Kingdom · score 49.9
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