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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 1 am Monday 11 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
25.3° 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 9AM is: 1.4m 11s primary swell from a North-northwest direction (forecast issued at 01:00am May 11). An open ocean swell of 0.1m 10s is not directed at the surf break, a second open ocean swell of 0.9m 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 (11 May) | 4.5ft (1.4m) | 11s |
| Afternoon (11 May) | 3ft (0.9m) | 11s |
| Evening (11 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 ForecastMostly dry. Warm (max 25°C on Mon afternoon, min 23°C on Mon morning). Mainly fresh winds. | ||||||||||||||||||||||||
Monday 11 | Tuesday 12 | Wednesday 13 | ||||||||||||||||||||||
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 | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
NNW 12 | NNW 12 | NNW 11 | NNW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 10 | NNW 11 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 9 | NNW 9 | NNW 9 | NNW 9 | NW 18 | NW 17 | |
579 | 569 | 463 | 394 | 229 | 194 | 194 | 137 | 137 | 110 | 106 | 161 | 146 | 157 | 154 | 122 | 120 | 117 | 76 | 73 | 54 | 53 | 80 | 224 | |
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 | 12:02PM0.44m | 10:40PM0.58m | 12:38PM0.54m | 11:12PM0.54m | 1:14PM0.65m | |||||||||||||||||||
Low Tide | 5:36AM0.20m | 4:30PM0.36m | 5:46AM0.15m | 5:57PM0.37m | 6:04AM0.10m | 7:11PM0.36m | ||||||||||||||||||
 | |  | | | | |  | | | | | | | | | | |  | | | | | | |
 | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:01 | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 23 | 23 | 23 | 24 | 25 | 24 | 23 | 23 | 23 | 23 | 24 | 24 | 25 | 24 | 23 | 23 | 23 | 23 | 24 | 25 | 25 | 24 | 23 | 23 |
22 | 22 | 22 | 22 | 23 | 22 | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 21 | 21 | 21 | 21 | 21 | 22 | 23 | 22 | 22 | 21 | 21 | |
Swell 1 Height (m) Direction Period (s) | NNW 12 | NNW 12 | NNW 11 | NNW 11 | NW 11 | NW 11 | NW 11 | N 7 | N 6 | NNE 6 | NNE 6 | NNW 11 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 9 | NNW 9 | NNW 9 | NNW 9 | NW 9 | NW 17 |
 kJ | 579 | 569 | 463 | 394 | 229 | 194 | 194 | 89 | 84 | 68 | 51 | 161 | 146 | 157 | 154 | 122 | 120 | 117 | 76 | 73 | 54 | 53 | 39 | 224 |
Swell 2 Height (m) Direction Period (s) | SW 13 | S 11 | S 10 | S 18 | N 6 | ESE 8 | S 17 | NW 11 | NW 11 | NW 11 | NNW 11 | NW 10 | NW 10 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | N 9 | N 9 | NW 18 | NW 9 |
| kJ | 7 | 2 | 2 | 6 | 48 | 21 | 6 | 137 | 137 | 110 | 97 | 64 | 48 | 25 | 25 | 25 | 25 | 25 | 24 | 21 | 15 | 15 | 80 | 39 |
Swell 3 Height (m) Direction Period (s) | S 11 | S 18 | S 18 | S 10 | SW 17 | SW 17 | N 14 | N 13 | NNW 13 | N 12 | NW 10 | SW 16 | SSW 16 | S 16 | N 12 | N 12 | N 12 | S 15 | S 15 | N 10 | SSW 15 | NW 18 | N 9 | N 9 |
| kJ | 2 | 7 | 7 | 2 | 12 | 12 | 4 | 14 | 54 | 75 | 106 | 10 | 25 | 5 | 12 | 12 | 11 | 4 | 4 | 2 | 21 | 50 | 14 | 23 |
Wind waves Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | E 5 | NE 6 | ENE 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 |
| kJ | 84 | 82 | 100 | 119 | 62 | 135 | 170 | 104 | 120 | 153 | 175 | 232 | 267 | 267 | 239 | 239 | 284 | 297 | 331 | 278 | 270 | 335 | 355 | 376 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 22 | 22 | 22 | 26 | 165 | 165 | 3 | 22 | 3 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 166 | 26 | 22 | 22 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Ocean Swells (m)- Wind Speed (km/h)
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