Conditions at Arenillas in October
October: The Season Locks Back In
October is where the surf season really reignites at Arenillas. The average swell height jumps to 5ft (1.5m) and the period lengthens to 11.3s, signalling the return of serious North Atlantic storm activity. The swell rose shows NW at 50.6%, WNW at 18.1% and NNW at 13.7%, with a healthy mix of 1-1.5m (17.3%), 1.5-2m (13.3%) and 2-2.5m (8.4%) waves. This is proper, powerful surf. The wind picture is the big turn-around: the ideal wind percentage jumps to 42%, matching January and December. S (9.4%), SSW (8.7%) and SW (4.7%) total over 20%, and mornings in particular can be glassy with offshore flow as Atlantic lows approach the Peninsula. Water temp is 18.2°C, air temp averages 16.8°C, and precipitation increases to 3.11mm/day. If you were waiting for the surf to flick back on, this is the moment.
Average Spot conditions at Arenillas in October
Swell history for October
Wind history for October
Swell quality
Analyze the groundswell consistency at Arenillas during October. 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 Arenillas for your next trip in October.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Arenillas for October. 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 Arenillas.