Backdoor 84.9
#1367 of 5753 surf spots in the world · 🇧🇷 Brazil · Rio de Janeiro · near Cabo Frio
Works almost every day, no off season.
Works all yearIntermediate
Surf score84.9 /100
Surfable days100% of the year
Clean days32% groundswell + friendly wind
Groundswell39% period 11 s+
Typical size1.4 m 4.6 ft median
Water24°C a rash vest or 2 mm
Best time to surf Backdoor
The best time to surf Backdoor is March, May, June. The season runs Mar to Mar. In May the water sits around 24°C, so pack a rash vest or 2 mm, and the typical wave is 1.7 m. The nearest airport is CFB (40 km) and the nearest town is Cabo Frio (45 km).
| Month | Surfable | Clean | Size | Water | Suit |
|---|---|---|---|---|---|
| Jan | 100% | 25% | 1.2 m | 25°C | vest |
| Feb | 100% | 28% | 1.2 m | 26°C | boardies |
| Mar | 100% | 42% | 1.3 m | 26°C | boardies |
| Apr | 100% | 20% | 1.3 m | 25°C | vest |
| May | 100% | 48% | 1.7 m | 24°C | vest |
| Jun | 99% | 47% | 1.7 m | 22°C | vest |
| Jul | 100% | 41% | 1.5 m | 22°C | 2mm |
| Aug | 100% | 31% | 1.5 m | 22°C | 2mm |
| Sep | 100% | 31% | 1.6 m | 21°C | 2mm |
| Oct | 100% | 21% | 1.5 m | 21°C | 2mm |
| Nov | 100% | 23% | 1.4 m | 23°C | vest |
| Dec | 100% | 24% | 1.2 m | 25°C | vest |
Why 84.9
Seven parts, each normalised 0 to 1 and weighted; the sum is scaled so the best spot in the world is 100.
Consistency 26%
26.0
Clean days 24%
19.1
Groundswell 12%
7.6
Season spread 10%
10.0
Wave size 8%
3.8
Water comfort 10%
7.5
Access 10%
8.7
The detail
Faces 180° with 47% open water around it. Friendly morning wind 83% of days. Mean peak period 10.4 s. Days over 3 m: 1%. Mellow days (0.4 to 1.2 m): 31%. Months that work: 12 of 12. Coordinates -22.938, -42.472 (OpenStreetMap).
Spots nearby
Itauna🇧🇷 Brazil · score 84.8Lage de fora🇧🇷 Brazil · score 84.9Saquarema - Itauna Beach🇧🇷 Brazil · score 84.8Saquarema - Praia da Vila🇧🇷 Brazil · score 84.9
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