Conditions at Sesimbra in April
April: Spring Transition
The storm track begins to lift north, and average surf drops to 5ft (1.5m) with the average period easing to 11.1s. Swell direction is still firmly in the W/NW quadrant: WNW at 37%, NW at 31% and W at 14% combine for over 80% of the wave energy. Sesimbra sees fewer overhead days, but the wind remains clean, with ideal conditions around 43% of the time. NNW winds dominate at 25%, and N/NW flow keeps the surfaces smooth. Water temp rises to 15.6°C and air temps average 15°C. April is a great month for longer, fun-size sessions on the smaller SSW-facing peaks, especially during spells of lighter north wind.
Average Spot conditions at Sesimbra in April
Swell history for April
Wind history for April
Swell quality
Analyze the groundswell consistency at Sesimbra 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 Sesimbra for your next trip in April.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Sesimbra 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 Sesimbra.