Tsunoshima 50.8
#4401 of 5753 surf spots in the world · 🇯🇵 Japan · Yamaguchi · near Shimonoseki
Very consistent, wind is the enemy here, no off season.
Works all yearIntermediate
Surf score50.8 /100
Surfable days80% of the year
Clean days0% groundswell + friendly wind
Groundswell0% period 11 s+
Typical size1.1 m 3.5 ft median
Water21°C a 2 mm shorty
Best time to surf Tsunoshima
The best time to surf Tsunoshima is January, August, December. It rarely works. In January the water sits around 16°C, so pack a 4/3 with boots, and the typical wave is 1.8 m. The nearest airport is FUK (94 km) and the nearest town is Shimonoseki (44 km).
| Month | Surfable | Clean | Size | Water | Suit |
|---|---|---|---|---|---|
| Jan | 99% | 1% | 1.8 m | 16°C | 4/3 |
| Feb | 96% | 0% | 1.5 m | 14°C | 4/3 |
| Mar | 89% | 0% | 1.3 m | 14°C | 4/3 |
| Apr | 81% | 0% | 1.0 m | 16°C | 4/3 |
| May | 60% | 0% | 0.8 m | 18°C | 3/2 |
| Jun | 63% | 0% | 0.7 m | 22°C | 2mm |
| Jul | 50% | 0% | 0.6 m | 26°C | boardies |
| Aug | 75% | 1% | 0.8 m | 29°C | boardies |
| Sep | 79% | 0% | 1.0 m | 28°C | boardies |
| Oct | 84% | 0% | 1.1 m | 25°C | vest |
| Nov | 87% | 0% | 1.1 m | 21°C | 2mm |
| Dec | 93% | 1% | 1.7 m | 18°C | 3/2 |
Why 50.8
Seven parts, each normalised 0 to 1 and weighted; the sum is scaled so the best spot in the world is 100.
Consistency 26%
24.1
Clean days 24%
0.0
Groundswell 12%
0.0
Season spread 10%
10.0
Wave size 8%
2.4
Water comfort 10%
5.4
Access 10%
7.5
The detail
Faces 120° with 72% open water around it. Friendly morning wind 49% of days. Mean peak period 6.2 s. Days over 3 m: 5%. Mellow days (0.4 to 1.2 m): 49%. Months that work: 12 of 12. Coordinates 34.355, 130.857 (OpenStreetMap).
Spots nearby
Song Jung Beach🇰🇷 South Korea · score 47.5Hae un dae🇰🇷 South Korea · score 48.2Busan🇰🇷 South Korea · score 48.2Isegahama🇯🇵 Japan · score 56.8
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