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Backdoor 84.0
#1467 of 5753 surf spots in the world · 🇺🇸 United States of America · Hawaii · near Wahiawa
Works almost every day, no off season.
Works all yearWarm waterIntermediate
Surf score84.0 /100
Surfable days100% of the year
Clean days28% groundswell + friendly wind
Groundswell32% period 11 s+
Typical size1.6 m 5.3 ft median
Water25°C boardshorts
Best time to surf Backdoor
The best time to surf Backdoor is January, November, December. The season runs Nov to Jan. In December the water sits around 25°C, so pack boardshorts, and the typical wave is 2.1 m. The nearest airport is HNL (40 km) and the nearest town is Wahiawa (18 km).
| Month | Surfable | Clean | Size | Water | Suit |
|---|---|---|---|---|---|
| Jan | 100% | 53% | 2.1 m | 25°C | vest |
| Feb | 99% | 31% | 1.9 m | 24°C | vest |
| Mar | 100% | 34% | 2.0 m | 24°C | vest |
| Apr | 99% | 25% | 1.7 m | 24°C | vest |
| May | 99% | 17% | 1.4 m | 25°C | boardies |
| Jun | 100% | 13% | 1.3 m | 26°C | boardies |
| Jul | 99% | 5% | 1.4 m | 26°C | boardies |
| Aug | 99% | 9% | 1.3 m | 27°C | boardies |
| Sep | 99% | 11% | 1.4 m | 27°C | boardies |
| Oct | 100% | 33% | 1.6 m | 27°C | boardies |
| Nov | 100% | 40% | 1.8 m | 26°C | boardies |
| Dec | 100% | 54% | 2.1 m | 25°C | boardies |
Why 84.0
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%
16.4
Groundswell 12%
6.1
Season spread 10%
10.0
Wave size 8%
4.7
Water comfort 10%
8.9
Access 10%
9.7
The detail
Faces 305° with 50% open water around it. Friendly morning wind 88% of days. Mean peak period 10.1 s. Days over 3 m: 3%. Mellow days (0.4 to 1.2 m): 16%. Months that work: 12 of 12. Coordinates 21.668, -158.052 (OpenStreetMap).
Spots nearby
Pipeline🇺🇸 United States of America · score 83.3Ehukai🇺🇸 United States of America · score 83.2Kammieland🇺🇸 United States of America · score 81.4Sunset beach🇺🇸 United States of America · score 79.0
Compare Backdoor with 5,700 other spots
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Open the interactive profileMore spots good in DecemberFilters by month, level and water, map, side by side comparison and a trip planner.