Wind Days = % of days with 12–35 knot average wind speed (ideal kiting conditions). Based on 4 years of historical weather data.
9%
Avg Wind Days
year-round
6.7kts
Avg Wind
year-round
14°
Avg Temp
feels 12°
4yrs
Data History
analyzed
Spot Overview
🔱
DeltaSpot Type
IntermediateSkill Level
NW315°Best Wind
River mouth area with mixed water conditions
About This Spot
Wairau Bar is a complex delta environment where the Wairau River meets the Tasman Bay in New Zealand's top of the South Island. The spot features extensive braided channels, shallow lagoons, and sandbars visible in the satellite imagery, creating a dynamic water landscape heavily influenced by tidal cycles and river discharge. The northeast-facing orientation with complex internal waterways makes this a technical location requiring local knowledge. Best conditions occur with northwesterly winds providing side-shore flow across the delta systems. The low average wind reliability (8.8%) and modest wave height (0.84m) indicate this is primarily a wind-driven spot dependent on weather patterns rather than swell. Water temperatures around 13.8°C require thermal protection. Intermediate kiters with experience in variable conditions and shallow-water navigation will find this most suitable. Key considerations include understanding tidal timing to avoid extremely shallow sections, awareness of boat traffic in the bay, and the silted water conditions that reduce underwater visibility. The protected lagoon areas offer safer progression opportunities compared to the exposed outer bay.
Hazards & Safety
Shallow braided channels and sandbars
Multiple tidal currents from river confluence
Moored vessels and boat traffic
Low wind reliability (8.8%)
Silted water reducing visibility
Shifting sand formations
Strong tidal flows during ebb/flow
Live Wind Forecast
Real-time wind conditions and 10-day forecast powered by ECMWF
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Wind speeds shown in knots (kt). Tap expand for full-screen view. Forecast updates every 6 hours from European weather model.
Water Conditions
Historical ocean data for wetsuit planning & water type
14°C
Avg Water Temp
0.8m
Avg Waves
⚠️ Rough Chop
Typical Conditions
🧥 4/3mm Fullsuit
Typical Wetsuit
Challenging chop, experienced riders
Wind Characteristics
NWDominant Direction
Very GustyChallenging conditions, advanced only
Best Time to Kite
Wind reliability by time of day (average across all months)
Morning
6am – 12pm
9%wind days
Best
Afternoon
12pm – 6pm
26%wind days
Evening
6pm – 9pm
16%wind days
Monthly Breakdown
Historical averages based on 4 years of data
Month
Wind Days
Avg Wind
Temp
Water
Best Time
Rain
Jan
5%
6kts
18°feels 17°
16°
PM
~5d
Feb
11%
7kts
18°feels 17°
17°
PM
~7d
Mar
7%
7kts
17°feels 15°
Monthly Water Conditions
Plan your wetsuit and know what to expect in the water