Nanakuli Blackrocks Surf Report & Forecast
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Current Surf Conditions at Nanakuli Blackrocks
Data Cache Status
🌊 Surf Quality Timeline (Week)
Best windows in greenSELECT DAY
🌊 Surf Quality Timeline
Best windows in green🌬️ WIND
kt
🌊 SWELL
ft
HEIGHT
PERIOD
SWELL
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📊 7-Day Detailed Forecast
Expandable daily forecasts with hourly details| Time | Quality | Swell Height | Period | Swell Dir | Wind Speed | Wind Dir | Gusts | Air Temp | Water Temp | Rain |
|---|---|---|---|---|---|---|---|---|---|---|
| 12:00 AM | FAIR | 1.2ft | 8s | ESE | 5kt | ENE | 9kt | 19°C | 25°C | 0mm |
| 1:00 AM | FAIR | 1.2ft | 7s | E | 4kt | ENE | 9kt | 18°C | 25°C | 0mm |
| 2:00 AM | FAIR | 1.2ft | 6s | ENE | 4kt | ENE | 8kt | 18°C | 25°C | 0mm |
| 3:00 AM | FAIR | 1.2ft | 6s | ENE | 4kt | ENE | 8kt | 18°C | 25°C | 0mm |
| 4:00 AM | POOR | 1.1ft | 7s | ENE | 4kt | ENE | 8kt | 19°C | 25°C | 0mm |
| 5:00 AM | POOR | 1.1ft | 8s | ENE | 5kt | E | 8kt | 19°C | 25°C | 0mm |
| 6:00 AM | POOR | 1.1ft | 8s | NE | 5kt | ENE | 9kt | 19°C | 25°C | 0mm |
| 7:00 AM | POOR | 1.1ft | 9s | NE | 5kt | ENE | 10kt | 20°C | 25°C | 0mm |
| 8:00 AM | GOOD | 1.2ft | 9s | NE | 5kt | ENE | 11kt | 20°C | 25°C | 0.1mm |
| 9:00 AM | FAIR | 1.2ft | 9s | ENE | 6kt | ENE | 10kt | 21°C | 25°C | 0.1mm |
| 10:00 AM | FAIR | 1.2ft | 9s | E | 6kt | ENE | 10kt | 22°C | 25°C | 0.1mm |
| 11:00 AM | FAIR | 1.2ft | 9s | ESE | 7kt | ENE | 10kt | 22°C | 25°C | 0.2mm |
| 12:00 PM | FAIR | 1.2ft | 9s | E | 7kt | ENE | 9kt | 23°C | 25°C | 0.2mm |
| 1:00 PM | FAIR | 1.3ft | 10s | ENE | 6kt | ENE | 8kt | 23°C | 25°C | 0.2mm |
| 2:00 PM | FAIR | 1.3ft | 10s | ENE | 6kt | ENE | 7kt | 24°C | 25°C | 0.2mm |
| 3:00 PM | FAIR | 1.3ft | 10s | ENE | 6kt | ENE | 7kt | 23°C | 25°C | 0.2mm |
| 4:00 PM | FAIR | 1.3ft | 10s | ENE | 6kt | NE | 7kt | 23°C | 25°C | 0.1mm |
| 5:00 PM | POOR | 1.3ft | 10s | ENE | 6kt | NE | 6kt | 22°C | 25°C | 0.1mm |
| 6:00 PM | POOR | 1.3ft | 10s | ENE | 6kt | ENE | 8kt | 22°C | 25°C | 0.1mm |
| 7:00 PM | POOR | 1.3ft | 10s | ENE | 5kt | ENE | 9kt | 21°C | 25°C | 0.1mm |
| 8:00 PM | FAIR | 1.2ft | 10s | ENE | 5kt | ENE | 10kt | 20°C | 25°C | 0.1mm |
| 9:00 PM | GOOD | 1.2ft | 10s | NNE | 5kt | E | 10kt | 20°C | 25°C | 0.1mm |
| 10:00 PM | FAIR | 1.2ft | 10s | N | 4kt | E | 10kt | 20°C | 25°C | 0.1mm |
| 11:00 PM | GOOD | 1.2ft | 10s | NNW | 4kt | E | 10kt | 20°C | 25°C | 0.1mm |
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Apr 10Saturday
Apr 11Forecast Summary
Local Knowledge & Surf Guide
Local Knowledge
Nanakuli Blackrocks in Oahu is an exposed beach break that works best with offshore winds from the east-northeast and clean groundswells from the west-southwest. Though it can get crowded at times, the waves here can be rewarding when conditions line up. The spot is known for its hazards, including urchins, rips, rocks, localism, and sharks, so caution is advised. The most consistent clean surf typically shows up during summer, with June being the best month to catch rideable waves.
Ideal Conditions
This spot performs best under these specific conditions. Forecasts take these into account when rating surf quality.
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