Kawagoe is a protected lagoon in Japan's industrial coastal zone, separated from open ocean by sandbars and channelized by engineered embankments. The lagoon faces west toward the land side, with water confined by narrow channel connections. This is a flat-water spot with minimal wave development (0.15m average), suitable only for flat-water freestyle and light-wind practice. The extremely low wind reliability (9.3%) and sparse prevailing wind data suggest inconsistent conditions. Best winds would come from the north (side-shore), though data indicates average wind is only 7.1 knots—marginal for kitesurfing. The spot is surrounded by industrial facilities, shipping infrastructure, and residential areas, creating visual congestion and potential hazards. Shallow mudflats and sandbars dominate the lagoon, requiring careful route planning. This location suits only absolute beginners in light-wind conditions or those seeking flat water for trick training. The industrial setting and low wind reliability make this a secondary option rather than a primary kitesurfing destination.