- Home
- ...North America
Canada- Rosie's Bay
Conditions at Rosie's Bay in September
September: First Stirrings of Autumn
September marks the beginning of the autumnal ramp-up at Rosie's Bay. The average swell height climbs back to 1.5m (5ft) with a period of 11.4s, and the direction profile is heavily weighted in the ideal quadrant: W leads with 43.0%, WSW follows with 28.4%, SW adds 11.0%, and SSW chips in 3.8%. Many of these waves now have enough period to hold their shape on the sandbar. Wind conditions improve notably, with ideal offshore flow reaching 36% - a big jump from the summer months. WNW (17.9%) and NW (12.5%) winds still blow, but the return of E/ESE flow (8.0% and 8.8%) signals the transition. Air temperatures cool to 13.5°C, water remains warm at 13.1°C, and precipitation stays moderate at 3.2mm/day. The first real groundswells of the season are starting to fill in, and the bay begins to stir from its summer sleep.
Average Spot conditions at Rosie's Bay in September
Swell history for September
Wind history for September
Swell quality
Analyze the groundswell consistency at Rosie's Bay during September. 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 Rosie's Bay for your next trip in September.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Rosie's Bay for September. 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 Rosie's Bay.