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Nanakuli Blackrocks 78.4
#2010 of 5753 surf spots in the world · 🇺🇸 United States of America · Hawaii · near Wahiawa
Works almost every day, no off season, boardshorts water.
Works all yearWarm waterBeginner friendlyBeginner
Surf score78.4 /100
Surfable days94% of the year
Clean days25% groundswell + friendly wind
Groundswell27% period 11 s+
Typical size0.9 m 2.9 ft median
Water26°C boardshorts
Best time to surf Nanakuli Blackrocks
The best time to surf Nanakuli Blackrocks is January, November, December. The season runs Dec to Jan. In January the water sits around 25°C, so pack boardshorts, and the typical wave is 1.3 m. The nearest airport is HNL (23 km) and the nearest town is Wahiawa (19 km).
| Month | Surfable | Clean | Size | Water | Suit |
|---|---|---|---|---|---|
| Jan | 100% | 45% | 1.3 m | 25°C | boardies |
| Feb | 99% | 30% | 1.1 m | 25°C | vest |
| Mar | 99% | 30% | 1.1 m | 25°C | vest |
| Apr | 95% | 27% | 0.9 m | 25°C | vest |
| May | 89% | 11% | 0.8 m | 26°C | boardies |
| Jun | 87% | 5% | 0.8 m | 26°C | boardies |
| Jul | 99% | 6% | 0.8 m | 27°C | boardies |
| Aug | 81% | 6% | 0.7 m | 27°C | boardies |
| Sep | 84% | 6% | 0.7 m | 27°C | boardies |
| Oct | 91% | 34% | 0.8 m | 27°C | boardies |
| Nov | 97% | 37% | 1.0 m | 26°C | boardies |
| Dec | 100% | 45% | 1.2 m | 26°C | boardies |
Why 78.4
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%
14.6
Groundswell 12%
5.1
Season spread 10%
10.0
Wave size 8%
1.6
Water comfort 10%
9.4
Access 10%
9.7
The detail
Faces 240° with 42% open water around it. Friendly morning wind 93% of days. Mean peak period 10.1 s. Days over 3 m: 0%. Mellow days (0.4 to 1.2 m): 77%. Months that work: 12 of 12. Coordinates 21.369, -158.136 (OpenStreetMap).
Spots nearby
Nanakuli tracks🇺🇸 United States of America · score 79.4Power Plant🇺🇸 United States of America · score 78.5Turtles reef🇺🇸 United States of America · score 80.5Ko Olinas🇺🇸 United States of America · score 83.8
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