Conditions at Martinhal in April
April: Shoulder Season in Full Bloom
April trades a little size for cleanliness. Average swell is still a solid 6ft (1.9m), but the period drops to 11.1s, a touch less grunt than midwinter yet still plenty rideable. Swell direction becomes more NW-centred, with NW at 34.1%, WNW at 21.5% and NNW at 13.6%, meaning plenty of lines wrapping into the southeast-facing bight. The wind picture is clean: NNW leads at 32.7%, NW adds 13.9%, and ideal windows clock in at 24%. Rain is still around at 2.03mm/day, air temperature averages 15.8°C with highs near 24.5°C, and the water warms to 16.3°C. After the peak-season swell and crowd, April at Martinhal is a fine month for relaxed sessions with some punch still left in the Atlantic.
Average Spot conditions at Martinhal in April
Swell history for April
Wind history for April
Swell quality
Analyze the groundswell consistency at Martinhal during April. 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 Martinhal for your next trip in April.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Martinhal for April. 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 Martinhal.