- Home
- ...North America
United States- Oceanside
Conditions at Oceanside in March
March: Spring Swells Meet the Sea Breeze
March still delivers serious winter-style energy to Oceanside. The average height is 1.1m (3.5ft), and the direction mix is beautifully aligned: W is 44.4%, WSW is 39.0%, and SW adds 13.2%. This is one of the most favorable swell-direction months of the year, with solid 3-5ft (1-1.5m) surf widespread and the W window still throwing 6.1% of waves into the 5-6.5ft (1.5-2m) range. The average period remains 12.6s, so the swell is powerful and organized.
The catch is wind. Ideal offshore flow drops to just 28%, and the onshore W and WSW wind share grows to 18.9% and 11.8% respectively. Afternoons turn lumpy and cross-wind, which means you need to surf early before the sea breeze gets going. Water temperature is a cool 14.5°C (58.1°F), and precipitation eases to 1.52mm/day. The waves are there - you just have to pick your window wisely.
Average Spot conditions at Oceanside in March
Swell history for March
Wind history for March
Swell quality
Analyze the groundswell consistency at Oceanside 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 Oceanside for your next trip in March.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Oceanside 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 Oceanside.