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Conditions at Haast Beach in March
March: First Reliable Offshore Swings
March marks the turning point as autumn begins to stir the Southern Ocean. Average height stays at 4ft (1.2m), but the period lengthens to 11.3s and ideal wind windows jump to 31%, giving the beach a more workable combination. Swell is still overwhelmingly W-driven (38%), but WSW also chips in 18%, and the favorable WNW/NNW/NW directions add 40%. The W/WNW swells start pushing through the 5-6.5ft (1.5-2m) range more consistently, and the first pulses of 6.5-8ft (2-2.5m) appear in the WNW/W data. Winds are more variable - WSW (20%) and NE/ENE (10% each) - but cold fronts are now frequent enough to clear the beach out and swing the wind offshore from SW/SSW/S. Water temp still mild at 15.3°C, air averages 12.7°C, rainfall 6.2 mm/day. March is a great month for surfers who want late-summer warmth and the first autumn swells.
Average Spot conditions at Haast Beach in March
Swell history for March
Wind history for March
Swell quality
Analyze the groundswell consistency at Haast Beach during March. Based on historical data, there is a % probability of groundswell occurring this month. The chart below provides a detailed breakdown of the average wave height distribution, offering deep insights into the swell quality and surf potential you can expect at Haast Beach for your next trip in March.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Haast Beach for March. Our analysis shows that favorable offshore or side-shore winds coincide with surfable swell approximately % of the time. The accompanying graph illustrates the average size distribution of waves during these optimal wind windows at Haast Beach.