Surf Forecasts:
How big are the waves at Banzai Pipeline and Backdoor today (18 Aug):
- Morning surf: Morning surf (18 Aug, local time) - 0.5ft (0.2m), 13s period with WNW swell.
- Afternoon surf: Afternoon surf (18 Aug, local time) - 1ft (0.3m), 17s period with SW swell.
- Evening surf: Evening surf (18 Aug, local time) - 1ft (0.3m), 12s period with WNW swell.
The current surf forecast for Banzai Pipeline and Backdoor at 9AM is: 0.2m 13s primary swell from a West-northwest direction and 0.2m 6s secondary swell from a West-southwest direction (forecast issued at 01:00am August 18). An open ocean swell of 0.3m 9s is not directed at the surf break, a second open ocean swell of 1.3m 7s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Aug) | 0.5ft (0.2m) | 13s |
| Afternoon (18 Aug) | 1ft (0.3m) | 17s |
| Evening (18 Aug) | 1ft (0.3m) | 12s |
Table - waves today at Banzai Pipeline and Backdoor. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 27°C on Thu afternoon, min 24°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 18 | Wednesday 19 | Thursday 20 | ||||||||||||||||||||||
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 |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | SW 6 | WSW 6 | WNW 13 | WNW 13 | SW 17 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | NE 7 | SW 16 | NE 6 | WNW 11 | NE 6 | NE 6 | NE 6 | NE 6 | NE 6 | NE 6 | NE 6 | NE 7 | W 8 | W 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 6 | 4 | 17 | 34 | 47 | 34 | 30 | 28 | 28 | 28 | 46 | 43 | 40 | 25 | 30 | 38 | 43 | 42 | 40 | 42 | 43 | 55 | 5 | 5 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | cross-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 | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 7:40AM0.53m | 3:28PM0.49m | 10:00AM0.55m | 11:33AM0.60m | ||||||||||||||||||||
Low Tide | 11:40PM0.17m | 12:35PM0.47m | 00:09AM0.17m | 00:51AM0.18m | ||||||||||||||||||||
 | |  | | | |  | | | |  | | | | | | | | | | | | | | |
 | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 6:59 | — | — | — | — | — | — | — | 6:59 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 24 | 24 | 25 | 26 | 26 | 26 | 25 | 24 | 24 | 24 | 24 | 25 | 26 | 26 | 25 | 24 | 24 | 24 | 24 | 26 | 27 | 27 | 26 | 25 |
Feels °C | 24 | 24 | 25 | 26 | 26 | 25 | 25 | 24 | 24 | 25 | 25 | 26 | 27 | 27 | 26 | 25 | 25 | 26 | 26 | 28 | 29 | 30 | 29 | 28 |
Swell 1 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | WNW 13 | SW 17 | WNW 13 | NE 7 | NE 7 | WNW 12 | NNE 7 | NE 7 | NE 6 | NE 6 | SSW 16 | NE 6 | NE 6 | E 8 | E 8 | E 8 | E 8 | E 8 | NE 7 | ENE 7 | ENE 7 |
| kJ | 15 | 15 | 15 | 34 | 47 | 34 | 13 | 13 | 28 | 21 | 46 | 43 | 40 | 25 | 30 | 38 | 84 | 80 | 80 | 78 | 55 | 55 | 142 | 142 |
Swell 2 Height (m) Direction Period (s) | SW 6 | WSW 6 | WSW 6 | SSW 17 | WNW 13 | SSW 18 | WNW 12 | WNW 12 | NNE 7 | WNW 12 | WNW 12 | WNW 12 | SW 16 | WNW 11 | WNW 11 | WNW 11 | NE 6 | NE 6 | NE 6 | NE 6 | SW 18 | E 8 | SW 17 | SW 16 |
| kJ | 6 | 4 | 4 | 28 | 34 | 30 | 30 | 28 | 9 | 28 | 28 | 28 | 67 | 25 | 12 | 12 | 43 | 42 | 40 | 42 | 78 | 71 | 70 | 68 |
Swell 3 Height (m) Direction Period (s) | S 14 | S 13 | WNW 13 | WSW 6 | WSW 6 | WSW 6 | SSW 18 | WSW 6 | WSW 6 | WSW 7 | SW 16 | SW 16 | WNW 12 | WSW 7 | SSW 16 | SSW 16 | SW 16 | SW 17 | SW 18 | SW 18 | W 8 | SW 17 | W 8 | W 8 |
| kJ | 15 | 14 | 17 | 4 | 4 | 4 | 31 | 4 | 4 | 4 | 41 | 41 | 27 | 5 | 25 | 25 | 67 | 71 | 78 | 79 | 4 | 76 | 5 | 5 |
Wind waves Height (m) Direction Period (s) | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | E 6 | E 6 | ENE 8 | E 7 | E 9 | E 8 | E 8 | ENE 8 | E 8 | E 8 | — | — | — | — | NE 6 | — | — | — |
| kJ | 215 | 166 | 161 | 166 | 171 | 156 | 94 | 91 | 169 | 113 | 117 | 115 | 86 | 149 | 84 | 84 | — | — | — | — | 43 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 24 | 24 | 22 | 22 | 0 | 22 | 22 | 22 | 22 | 0 | 0 | 0 | 0 | 4 | 22 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 2 | 2 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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