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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 Sunday 17 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 normal for this time of year)How big are the waves at Banzai Pipeline and Backdoor today?
The current surf forecast for Banzai Pipeline and Backdoor at 11AM is: 0.6m 10s primary swell from a North-northwest direction (forecast issued at 07:00am May 17). An open ocean swell of 1.6m 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 (17 May) | 2ft (0.6m) | 10s |
| Afternoon (17 May) | 2ft (0.6m) | 10s |
| Evening (17 May) | 1.5ft (0.4m) | 16s |
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 Sun afternoon. Warm (max 26°C on Sun morning, min 23°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 17 | Monday 18 | Tuesday 19 | Wed 20 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
NNW 10 | NNW 10 | NNW 10 | NNW 10 | NW 10 | NW 16 | NW 16 | NW 15 | NW 15 | NW 14 | NW 13 | NW 13 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NNW 11 | NW 11 | NNW 11 | NW 10 | NW 11 | NW 11 | NW 10 | |
68 | 68 | 67 | 65 | 47 | 66 | 64 | 56 | 54 | 49 | 45 | 42 | 38 | 37 | 67 | 43 | 59 | 82 | 104 | 84 | 89 | 92 | 115 | 108 | |
Wind (km/h) | ||||||||||||||||||||||||
off | cross-off | cross-off | cross-off | off | off | off | off | off | 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 | 4:08PM0.86m | 1:19AM0.36m | 4:58PM0.84m | 5:51PM0.81m | ||||||||||||||||||||
Low Tide | 8:03AM-0.05m | 11:58PM0.35m | 8:41AM-0.04m | 9:21AM-0.00m | ||||||||||||||||||||
 |  | |  | | |  |  | |  | | | | | | | | | | | | | | | |
 | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | 5:50 |
 | — | — | — | — | 7:04 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:05 | — | — | 7:06 |
— | — | — | 1 | 1 | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 24 | 24 | 26 | 26 | 26 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 24 | 24 | 24 | 23 |
26 | 25 | 28 | 27 | 27 | 25 | 24 | 24 | 24 | 24 | 23 | 24 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 22 | |
Swell 1 Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | NNW 10 | NNW 9 | NNW 9 | SW 14 | SW 14 | SW 14 | SW 14 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NNW 11 | NW 11 | NNW 11 | NW 10 | NW 11 | NW 11 | NW 10 |
 kJ | 318 | 330 | 330 | 280 | 286 | 37 | 34 | 32 | 51 | 50 | 50 | 50 | 38 | 37 | 67 | 43 | 59 | 82 | 104 | 84 | 89 | 92 | 115 | 108 |
Swell 2 Height (m) Direction Period (s) | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NW 10 | SW 14 | SW 14 | SW 14 | NW 9 | NW 9 | NW 13 | NW 13 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 18 | SSW 18 | SW 14 | SSW 16 | SSW 15 | SSW 15 |
| kJ | 68 | 68 | 67 | 65 | 47 | 54 | 53 | 51 | 21 | 21 | 45 | 42 | 49 | 48 | 47 | 46 | 47 | 48 | 79 | 30 | 46 | 24 | 42 | 44 |
Swell 3 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | NW 16 | NW 16 | NW 15 | NW 15 | NW 14 | SW 19 | SW 19 | SSW 19 | NNW 8 | NNW 8 | NNW 13 | SSW 18 | SW 18 | SW 13 | SW 13 | NNW 14 | SSW 13 | NNW 13 | SW 16 |
| kJ | 54 | 54 | 54 | 54 | 54 | 66 | 64 | 56 | 54 | 49 | 96 | 96 | 37 | 7 | 7 | 17 | 30 | 79 | 28 | 27 | 18 | 17 | 17 | 10 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | ENE 8 | ENE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | ENE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 7 | ENE 8 | ENE 8 |
| kJ | — | — | — | — | — | 367 | 497 | 526 | 507 | 470 | 476 | 476 | 437 | 392 | 374 | 365 | 341 | 310 | 318 | 324 | 333 | 348 | 473 | 437 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 22 | 22 | 22 | 22 | 0 | 0 | 0 | 0 | 22 | 0 | 22 | 22 | 22 | 3 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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