Taieri River Mouth is a delta environment where freshwater discharge meets the Tasman Sea on New Zealand's southern coast. The spot features a large sandy delta with lagoon-like conditions behind the river mouth, transitioning to open ocean swells. The coastline faces south toward the ocean, creating a relatively protected setup with variable water conditions depending on tidal stage and river flow. The lagoon area offers more sheltered conditions suitable for intermediate riders, while the outer delta and open water present stronger ocean swell exposure. Wind from the east provides the most consistent side-shore conditions for this orientation. The spot is characterized by complex bathymetry with shallow sandbars that shift seasonally, requiring local knowledge. Tidal cycles significantly impact usable space and water depth. The river's sediment plume creates distinctive water color patterns visible from above. Given low wind reliability (3.6%) and modest average wind speeds (5.0 knots), conditions require patience and specific weather windows. This spot suits intermediate riders comfortable with variable conditions, shallow water hazards, and tidal considerations.