Katagai 58.4
#3742 of 5753 surf spots in the world · 🇯🇵 Japan · Chiba · near Tokyo
Works almost every day, wind is the enemy here, no off season.
Works all yearIntermediate
Surf score58.4 /100
Surfable days97% of the year
Clean days7% groundswell + friendly wind
Groundswell11% period 11 s+
Typical size1.2 m 3.8 ft median
Water20°C a 2 mm shorty
Best time to surf Katagai
The best time to surf Katagai is January, November, December. It rarely works. In January the water sits around 15°C, so pack a 4/3 with boots, and the typical wave is 1.1 m. The nearest airport is NRT (27 km) and the nearest town is Tokyo (67 km).
| Month | Surfable | Clean | Size | Water | Suit |
|---|---|---|---|---|---|
| Jan | 95% | 20% | 1.1 m | 15°C | 4/3 |
| Feb | 90% | 11% | 1.2 m | 15°C | 4/3 |
| Mar | 99% | 3% | 1.3 m | 15°C | 4/3 |
| Apr | 99% | 4% | 1.4 m | 16°C | 4/3 |
| May | 99% | 0% | 1.2 m | 18°C | 3/2 |
| Jun | 100% | 2% | 1.1 m | 21°C | 2mm |
| Jul | 99% | 4% | 1.0 m | 24°C | vest |
| Aug | 94% | 6% | 1.1 m | 26°C | boardies |
| Sep | 99% | 4% | 1.2 m | 26°C | boardies |
| Oct | 99% | 7% | 1.3 m | 24°C | vest |
| Nov | 98% | 14% | 1.2 m | 20°C | 2mm |
| Dec | 92% | 13% | 1.1 m | 17°C | 3/2 |
Why 58.4
Seven parts, each normalised 0 to 1 and weighted; the sum is scaled so the best spot in the world is 100.
Consistency 26%
26.0
Clean days 24%
3.7
Groundswell 12%
1.8
Season spread 10%
10.0
Wave size 8%
2.8
Water comfort 10%
4.7
Access 10%
7.9
The detail
Faces 120° with 42% open water around it. Friendly morning wind 66% of days. Mean peak period 8.9 s. Days over 3 m: 2%. Mellow days (0.4 to 1.2 m): 54%. Months that work: 12 of 12. Coordinates 35.533, 140.461 (OpenStreetMap).
Spots nearby
Taito🇯🇵 Japan · score 57.6Onjuku🇯🇵 Japan · score 61.8Kamogawa, Chiba🇯🇵 Japan · score 57.2Hanakago🇯🇵 Japan · score 57.6
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