Backdoor Outer Reef
The Backdoor Outer Reef encompasses Pipeline's 2nd and 3rd reef, breaking 80 yards outside the main zone at 4x+ overhead. Foamy lumps reform into Pipe on the inside, creating one of the most consequential waves on the North Shore.
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Location & Conditions
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Spot Details
Swell Requirements
- Optimal direction
- NW (307°)
- Direction range
- 295° - 320°
- Size range
- 4.6m - 7.6m
- Ideal size
- 6.3m
- Height multiplier
- 1.08×
- Ideal period
- 18s+
Wind Requirements
- Optimal direction
- ESE (120°)
- Offshore range
- 90° - 160°
Tide Requirements
- Optimal tide
- all
Water temp
25°C
Wetsuit
Boardshorts / Rashguard
Bottom
Reef
Max wave face
10m+
Board
Gun / Step-up
Consistency
2/10
Difficulty
10/10
Crowd level
3/10
👥 Summer Break (Jun 15 – Aug 25) — expect extra crowds
Access: Paddle from Ehukai Beach Park. Long paddle out.
Best Season
Peak: Dec, Jan, Feb
Secondary: Nov
Dec-Feb. Pipeline's 2nd and 3rd reef. Breaks 80yds outside main zone at 4x+ overhead.
Getting There
Nearby Spots
Pipeline
🏆 The proving ground • Heaviest barrels on Earth • Experts only
Backdoor
🔥 Pipeline's evil twin • Right-hand deathpit • NNW swell specialist
Rockpile
🪨 Gap in the Road • 150-yard lefts • Uncrowded alternative
Log Cabins
🪵 Heavier than Pipe • N swell magnet • Life-changing barrels
Outer Log Cabins
🏔️ 85ft ridden here • North Shore's outer limit • Tow-in territory
Off The Wall
💪 Pipeline's neighbor • Powerful rights • Regular footer's dream