The Wave
NNE offshore and south swell are the basic read.
Kugenuma Rivermouth is one of the classic crowded Shonan checks, an urban river-mouth lineup by Route 134 and Kugenuma-Kaigan station where access, surf schools, and local traffic are part of the identity. The wave is approachable, but the scene can be as defining as the sandbar. Get the latest surfing conditions, forecast, and tide details for Kugenuma Rivermouth in Kanagawa.
Forecast
As of:
NNE offshore and south swell are the basic read.
All tides can work, with mid tide a sensible first look; crowd management on the river-mouth line is usually the main day-to-day issue.
Stop guessing and start surfing. WaveWise analyzes live data to find your best upcoming sessions so you spend less time planning and more time paddling out.

