Momoishi 50.5
#4427 of 5753 surf spots in the world · 🇯🇵 Japan · Aomori · near Hachinohe
Very consistent, wind is the enemy here, no off season.
Works all yearBeginner friendlyRemoteBeginner
Surf score50.5 /100
Surfable days82% of the year
Clean days9% groundswell + friendly wind
Groundswell12% period 11 s+
Typical size0.9 m 3.0 ft median
Water14°C a 4/3 with boots
Best time to surf Momoishi
The best time to surf Momoishi is January, November, December. It rarely works. In January the water sits around 10°C, so pack a 6/5 with boots, gloves and hood, and the typical wave is 1.0 m. The nearest airport is OKD (271 km) and the nearest town is Hachinohe (20 km).
| Month | Surfable | Clean | Size | Water | Suit |
|---|---|---|---|---|---|
| Jan | 88% | 25% | 1.0 m | 10°C | 6/5 |
| Feb | 79% | 14% | 0.9 m | 8°C | 6/5 |
| Mar | 83% | 15% | 1.0 m | 7°C | 6/5 |
| Apr | 83% | 9% | 1.0 m | 8°C | 6/5 |
| May | 80% | 2% | 0.8 m | 11°C | 5/4 |
| Jun | 79% | 3% | 0.8 m | 14°C | 4/3 |
| Jul | 77% | 1% | 0.8 m | 20°C | 2mm |
| Aug | 82% | 3% | 0.9 m | 24°C | vest |
| Sep | 87% | 4% | 1.0 m | 24°C | vest |
| Oct | 86% | 10% | 1.0 m | 20°C | 2mm |
| Nov | 82% | 18% | 0.9 m | 15°C | 4/3 |
| Dec | 80% | 16% | 0.9 m | 12°C | 5/4 |
Why 50.5
Seven parts, each normalised 0 to 1 and weighted; the sum is scaled so the best spot in the world is 100.
Consistency 26%
25.0
Clean days 24%
5.0
Groundswell 12%
2.1
Season spread 10%
10.0
Wave size 8%
1.8
Water comfort 10%
1.1
Access 10%
4.3
The detail
Faces 75° with 42% open water around it. Friendly morning wind 75% of days. Mean peak period 9.3 s. Days over 3 m: 1%. Mellow days (0.4 to 1.2 m): 71%. Months that work: 12 of 12. Coordinates 40.672, 141.439 (OpenStreetMap).
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