Sakawa Rivermouth 50.1
#4455 of 5753 surf spots in the world · 🇯🇵 Japan · Kanagawa · near Yokohama
Very consistent, wind is the enemy here, no off season.
Works all yearBeginner friendlyBeginner
Surf score50.1 /100
Surfable days71% of the year
Clean days5% groundswell + friendly wind
Groundswell6% period 11 s+
Typical size0.8 m 2.5 ft median
Water20°C a 2 mm shorty
Best time to surf Sakawa Rivermouth
The best time to surf Sakawa Rivermouth is August, September, October. It rarely works. In September the water sits around 26°C, so pack boardshorts, and the typical wave is 0.8 m. The nearest airport is HND (63 km) and the nearest town is Yokohama (42 km).
| Month | Surfable | Clean | Size | Water | Suit |
|---|---|---|---|---|---|
| Jan | 64% | 2% | 0.7 m | 14°C | 4/3 |
| Feb | 72% | 1% | 0.8 m | 14°C | 4/3 |
| Mar | 82% | 1% | 0.9 m | 14°C | 4/3 |
| Apr | 75% | 4% | 0.8 m | 16°C | 3/2 |
| May | 70% | 0% | 0.8 m | 19°C | 3/2 |
| Jun | 69% | 1% | 0.7 m | 22°C | vest |
| Jul | 68% | 4% | 0.7 m | 26°C | boardies |
| Aug | 65% | 8% | 0.7 m | 27°C | boardies |
| Sep | 78% | 17% | 0.8 m | 26°C | boardies |
| Oct | 72% | 11% | 0.8 m | 23°C | vest |
| Nov | 65% | 4% | 0.7 m | 19°C | 2mm |
| Dec | 72% | 4% | 0.8 m | 17°C | 3/2 |
Why 50.1
Seven parts, each normalised 0 to 1 and weighted; the sum is scaled so the best spot in the world is 100.
Consistency 26%
21.3
Clean days 24%
2.4
Groundswell 12%
0.8
Season spread 10%
10.0
Wave size 8%
1.1
Water comfort 10%
4.9
Access 10%
8.3
The detail
Faces 145° with 33% open water around it. Friendly morning wind 85% of days. Mean peak period 8.5 s. Days over 3 m: 0%. Mellow days (0.4 to 1.2 m): 80%. Months that work: 12 of 12. Coordinates 35.260, 139.184 (OpenStreetMap).
Spots nearby
Kugenuma🇯🇵 Japan · score 41.1USAmi🇯🇵 Japan · score 46.6Shichirigahama🇯🇵 Japan · score 43.7Inamuragasaki🇯🇵 Japan · score 42.1
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