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Hells Mouth 28.9
#5382 of 5753 surf spots in the world · 🇬🇧 United Kingdom · Gwynedd · near Chester
Wind is the enemy here, peaks in February, thick rubber.
Beginner friendlyBeginner
Surf score28.9 /100
Surfable days60% of the year
Clean days0% groundswell + friendly wind
Groundswell1% period 11 s+
Typical size0.8 m 2.5 ft median
Water13°C a 5/4 with boots and hood
Best time to surf Hells Mouth
The best time to surf Hells Mouth is February. It rarely works. In February the water sits around 7°C, so pack a 6/5 with boots, gloves and hood, and the typical wave is 1.4 m. The nearest airport is LPL (129 km) and the nearest town is Chester (120 km).
| Month | Surfable | Clean | Size | Water | Suit |
|---|---|---|---|---|---|
| Jan | 77% | 0% | 1.1 m | 8°C | 6/5 |
| Feb | 87% | 1% | 1.4 m | 7°C | 6/5 |
| Mar | 63% | 0% | 0.8 m | 8°C | 6/5 |
| Apr | 36% | 0% | 0.4 m | 10°C | 5/4 |
| May | 41% | 0% | 0.5 m | 13°C | 5/4 |
| Jun | 39% | 0% | 0.5 m | 15°C | 4/3 |
| Jul | 30% | 0% | 0.4 m | 18°C | 3/2 |
| Aug | 48% | 0% | 0.6 m | 18°C | 3/2 |
| Sep | 57% | 0% | 0.7 m | 16°C | 3/2 |
| Oct | 83% | 0% | 1.1 m | 14°C | 4/3 |
| Nov | 83% | 0% | 1.2 m | 12°C | 5/4 |
| Dec | 80% | 0% | 1.2 m | 10°C | 6/5 |
Why 28.9
Seven parts, each normalised 0 to 1 and weighted; the sum is scaled so the best spot in the world is 100.
Consistency 26%
17.6
Clean days 24%
0.0
Groundswell 12%
0.0
Season spread 10%
5.5
Wave size 8%
1.1
Water comfort 10%
0.0
Access 10%
4.0
The detail
Faces 195° with 39% open water around it. Friendly morning wind 47% of days. Mean peak period 6.3 s. Days over 3 m: 1%. Mellow days (0.4 to 1.2 m): 46%. Months that work: 7 of 12. Coordinates 52.812, -4.578 (OpenStreetMap).
Spots nearby
Abersoch🇬🇧 United Kingdom · score 18.0Porth Ceiriad🇬🇧 United Kingdom · score 34.1Aberdaron🇬🇧 United Kingdom · score 25.8Llwyngwril🇬🇧 United Kingdom · score 29.4
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