Ishinamigawa 57.9
#3796 of 5753 surf spots in the world · 🇯🇵 Japan · Miyazaki · near Miyazaki
Very consistent, wind is the enemy here, no off season.
Works all yearBeginner friendlyBeginner
Surf score57.9 /100
Surfable days86% of the year
Clean days8% groundswell + friendly wind
Groundswell9% period 11 s+
Typical size1.0 m 3.2 ft median
Water23°C a rash vest or 2 mm
Best time to surf Ishinamigawa
The best time to surf Ishinamigawa is October, November, December. It rarely works. In October the water sits around 27°C, so pack boardshorts, and the typical wave is 1.3 m. The nearest airport is FUK (177 km) and the nearest town is Miyazaki (49 km).
| Month | Surfable | Clean | Size | Water | Suit |
|---|---|---|---|---|---|
| Jan | 64% | 5% | 0.7 m | 19°C | 2mm |
| Feb | 77% | 6% | 0.8 m | 18°C | 3/2 |
| Mar | 92% | 10% | 1.0 m | 19°C | 3/2 |
| Apr | 89% | 9% | 1.1 m | 20°C | 2mm |
| May | 92% | 3% | 1.0 m | 22°C | 2mm |
| Jun | 92% | 2% | 0.9 m | 24°C | vest |
| Jul | 93% | 2% | 0.9 m | 27°C | boardies |
| Aug | 80% | 8% | 0.9 m | 28°C | boardies |
| Sep | 91% | 11% | 1.2 m | 28°C | boardies |
| Oct | 96% | 17% | 1.3 m | 27°C | boardies |
| Nov | 92% | 14% | 1.0 m | 24°C | vest |
| Dec | 75% | 14% | 0.9 m | 21°C | 2mm |
Why 57.9
Seven parts, each normalised 0 to 1 and weighted; the sum is scaled so the best spot in the world is 100.
Consistency 26%
26.0
Clean days 24%
4.4
Groundswell 12%
1.5
Season spread 10%
10.0
Wave size 8%
2.0
Water comfort 10%
7.1
Access 10%
5.4
The detail
Faces 125° with 42% open water around it. Friendly morning wind 88% of days. Mean peak period 9.1 s. Days over 3 m: 2%. Mellow days (0.4 to 1.2 m): 65%. Months that work: 12 of 12. Coordinates 32.328, 131.609 (OpenStreetMap).
Spots nearby
Kanegahama🇯🇵 Japan · score 57.9Okuragahama🇯🇵 Japan · score 56.6Lena🇯🇵 Japan · score 58.3Shiomigawakakou🇯🇵 Japan · score 57.1
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