Wind Days = % of days with 12–35 knot average wind speed (ideal kiting conditions). Based on 6 years of historical weather data.
Waves breaking on sandy bottom, varied conditions
Shirasato is a beach break located on Japan's Pacific coast facing west toward the open ocean. The spot features a sandy beach with moderate wave exposure and consistent small wave conditions (1.17m average). The area is characterized by a combination of agricultural land and residential development immediately inland, with a defined beach strip separating the town from the water. Best conditions occur with northerly winds (0°) providing side-shore flow parallel to the coast. Wind reliability is low at 14.6%, suggesting inconsistent conditions throughout the year. Average water temperature of 16.8°C requires a wetsuit. The spot suits beginners due to manageable wave size and sandy bottom, though the low wind reliability means extended waiting periods between sessions. Kiters should be aware of coastal currents indicated by water color variations and potential shallow sandbars. The proximity to residential areas and infrastructure suggests moderate boat traffic and beach usage. Conditions are most stable during winter months when Pacific swells are more consistent.
Real-time wind conditions and 10-day forecast powered by ECMWF
Historical ocean data for wetsuit planning & water type
Proper waves for wave riding
Wind reliability by time of day (average across all months)
Historical averages based on 6 years of data
| Month | Wind Days | Avg Wind | Temp | Best Time |
|---|---|---|---|---|
| Jan | 18% | 9kts | 7°feels 3° | PM |
| Feb | 26% | 10kts | 8°feels 3° | Eve |
| Mar | 22% | 10kts | 11°feels 8° |
Plan your wetsuit and know what to expect in the water
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Search for the best dates based on historical wind data.
Find Best Dates| PM |
| Apr | 18% | 9kts | 15°feels 12° | PM |
| May | 10% | 8kts | 18° | PM |
| Jun | 4% | 7kts | 22°feels 23° | PM |
| Jul | 4% | 7kts | 25°feels 29° | PM |
| Aug | 6% | 7kts | 27°feels 31° | PM |
| Sep | 14% | 9kts | 25°feels 28° | PM |
| Oct | 20% | 10kts | 19° | PM |
| Nov | 14% | 9kts | 15°feels 13° | PM |
| Dec | 18% | 9kts | 9°feels 6° | PM |