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Banzai Pipeline and Backdoor Surf Forecast
/ HAW – Oahu (122 breaks) / Hawaii (267 breaks) /
Surf Forecasts:
Banzai Pipeline and Backdoor surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 7 am Saturday 09 May 2026 HSTForecast update in hr min s Forecast update imminent
Banzai Pipeline and Backdoor surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Banzai Pipeline and Backdoor sea temperature is
25.2° C
(Which is slightly warmer than usual)How big are the waves at Banzai Pipeline and Backdoor today?
The current surf forecast for Banzai Pipeline and Backdoor at 3PM is: 1.6m 6s primary swell from a Northeast direction and 0.9m 11s secondary swell from a Northwest direction (forecast issued at 07:00am May 09). An open ocean swell of 0.3m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 May) | 3.5ft (1.1m) | 11s |
| Afternoon (09 May) | 3ft (0.9m) | 11s |
| Evening (09 May) | 3ft (0.9m) | 11s |
Table - waves today at Banzai Pipeline and Backdoor. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 3mm), mostly falling on Sat morning. Warm (max 25°C on Sun afternoon, min 23°C on Sat morning). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 9 | Sunday 10 | Monday 11 | Tue 12 | |||||||||||||||||||||
5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
NW 11 | NW 11 | NW 11 | NW 11 | NE 6 | NW 11 | NE 7 | NNW 11 | NW 11 | NNW 11 | NW 12 | NNW 10 | NNW 11 | NW 12 | NW 12 | NW 12 | NNW 12 | NNW 11 | NNW 11 | NNW 11 | NNW 11 | NW 11 | NW 11 | NW 11 | |
314 | 263 | 198 | 200 | 209 | 193 | 192 | 207 | 283 | 341 | 400 | 333 | 372 | 407 | 407 | 407 | 371 | 341 | 317 | 286 | 286 | 194 | 137 | 137 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 9:40AM0.26m | 9:27PM0.62m | 11:25AM0.34m | 10:05PM0.61m | 12:02PM0.44m | 10:40PM0.58m | ||||||||||||||||||
Low Tide | 6:43AM0.26m | 11:43AM0.26m | 5:40AM0.24m | 2:30PM0.32m | 5:36AM0.20m | 4:30PM0.36m | ||||||||||||||||||
 |  | |  |  | | | | | |  | | |  | | | | | | | | | | | |
 | 5:56 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | 5:54 |
 | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 7:01 | — | — | 7:01 |
— | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 25 | 24 | 23 | 23 | 23 | 23 | 24 | 24 | 25 | 24 | 24 | 23 | 23 |
23 | 22 | 21 | 21 | 21 | 23 | 23 | 23 | 22 | 22 | 22 | 23 | 22 | 22 | 22 | 23 | 21 | 23 | 22 | 23 | 22 | 23 | 21 | 21 | |
Swell 1 Height (m) Direction Period (s) | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NNW 11 | NW 11 | NNW 11 | NW 12 | NNW 10 | NNW 11 | NW 12 | NW 12 | NW 12 | NNW 12 | NNW 11 | NNW 11 | NNW 11 | NNW 11 | NW 11 | NW 11 | N 7 |
 kJ | 314 | 263 | 198 | 194 | 140 | 169 | 172 | 207 | 283 | 341 | 400 | 333 | 372 | 407 | 407 | 407 | 371 | 341 | 317 | 286 | 286 | 194 | 137 | 56 |
Swell 2 Height (m) Direction Period (s) | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | NW 13 | NW 13 | ESE 8 | ESE 8 | ESE 8 | NW 13 | NW 13 | S 11 | ESE 8 | SW 13 | ESE 8 | ESE 8 | E 8 | SW 17 | SW 17 | S 17 | N 13 | NW 11 |
| kJ | 13 | 22 | 21 | 12 | 20 | 22 | 46 | 61 | 12 | 22 | 21 | 88 | 63 | 2 | 22 | 7 | 21 | 23 | 31 | 12 | 12 | 6 | 14 | 137 |
Swell 3 Height (m) Direction Period (s) | NE 8 | SW 14 | SSW 15 | WNW 15 | NW 14 | WNW 14 | S 15 | ESE 8 | SW 14 | NW 15 | SW 13 | ESE 8 | S 11 | S 19 | SW 13 | S 11 | S 11 | S 10 | S 18 | S 10 | S 12 | N 14 | S 17 | ESE 8 |
| kJ | 3 | 8 | 21 | 21 | 32 | 18 | 4 | 12 | 7 | 33 | 6 | 22 | 3 | 7 | 7 | 2 | 2 | 2 | 6 | 2 | 3 | 4 | 23 | 24 |
Wind waves Height (m) Direction Period (s) | NE 6 | NE 6 | NE 6 | NE 6 | NE 6 | NNE 6 | NE 7 | NE 6 | NE 6 | ENE 6 | ENE 6 | ENE 6 | E 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | E 6 | E 6 | E 6 | E 6 | ENE 6 | ENE 6 | E 6 |
| kJ | 89 | 107 | 156 | 200 | 209 | 193 | 192 | 157 | 136 | 115 | 90 | 67 | 64 | 84 | 87 | 95 | 97 | 98 | 85 | 102 | 99 | 145 | 156 | 114 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 22 | 22 | 27 | 28 | 31 | 22 | 0 | 0 | 0 | 0 | 0 | 0 | 26 | 0 | 22 | 0 | 0 | 0 | 3 | 27 | 165 | 22 | 24 | 3 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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