Surf Forecasts:
How big are the waves at Backdoor today (13 Aug):
- Morning surf: Morning surf (13 Aug, local time) - 0.5ft (0.2m), 8s period with NNW swell.
- Afternoon surf: Afternoon surf (13 Aug, local time) - 0.5ft (0.2m), 8s period with NNW swell.
- Evening surf: Evening surf (13 Aug, local time) - 0.5ft (0.2m), 8s period with NNW swell.
The current surf forecast for Backdoor at 6AM is: 0.2m 9s primary swell from a North-northwest direction (forecast issued at 01:00am August 13). An open ocean swell of 0.3m 12s is not directed at the surf break, a second open ocean swell of 0.3m 16s is not directed at the surf break, a second open ocean swell of 1.6m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Aug) | 0.5ft (0.2m) | 8s |
| Afternoon (13 Aug) | 0.5ft (0.2m) | 8s |
| Evening (13 Aug) | 0.5ft (0.2m) | 8s |
Table - waves today at Backdoor. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Fri night. Warm (max 27°C on Thu morning, min 25°C on Thu night). Mainly strong winds. | ||||||||||||||||||||||||
Thursday 13 | Friday 14 | Saturday 15 | ||||||||||||||||||||||
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) | WNW 12 | NNW 9 | NNW 9 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | W 11 | W 11 | W 12 | W 12 | W 12 | W 12 | W 12 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | W 11 | W 13 | W 13 | W 13 | WNW 13 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 14 | 8 | 8 | 6 | 6 | 6 | 6 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 13 | 13 | 22 | 30 | 30 | 13 | 34 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | 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 | 2:34AM0.44m | 3:35PM0.77m | 3:25AM0.47m | 3:57PM0.70m | 4:16AM0.50m | 4:14PM0.64m | ||||||||||||||||||
Low Tide | 8:29AM0.08m | 10:14PM0.22m | 9:10AM0.15m | 10:34PM0.20m | 9:50AM0.23m | 10:55PM0.18m | ||||||||||||||||||
 | |  | | | |  | | |  | | |  | | | | |  |  | | | | | | |
 | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:04 | — | — | — | — | — | — | — | 7:02 | — | — | — | — | — | — | — | 7:01 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — |
Temp °C | 26 | 26 | 26 | 27 | 27 | 26 | 25 | 26 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 25 | 25 |
Feels °C | 24 | 25 | 24 | 25 | 25 | 25 | 24 | 24 | 24 | 23 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 24 | 23 | 24 | 24 | 24 | 23 | 22 |
Swell 1 Height (m) Direction Period (s) | SSW 12 | SSW 12 | S 16 | S 16 | S 16 | S 15 | S 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | S 14 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 9 |
| kJ | 31 | 30 | 45 | 45 | 44 | 41 | 39 | 73 | 72 | 72 | 71 | 41 | 40 | 40 | 40 | 35 | 12 | 13 | 13 | 13 | 13 | 12 | 12 | 15 |
Swell 2 Height (m) Direction Period (s) | S 16 | S 16 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | S 14 | S 13 | S 13 | SSW 13 | W 13 | W 13 | W 13 | WNW 13 |
| kJ | 46 | 46 | 28 | 27 | 28 | 28 | 29 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 11 | 12 | 33 | 32 | 31 | 35 | 30 | 30 | 13 | 34 |
Swell 3 Height (m) Direction Period (s) | WNW 12 | NNW 9 | NNW 9 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | W 11 | W 11 | W 12 | W 12 | W 12 | W 12 | W 12 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | S 13 | S 13 | S 13 | S 13 |
| kJ | 14 | 8 | 8 | 6 | 6 | 6 | 6 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 10 | 9 | 9 | 9 | 9 | 22 | 14 | 14 | 14 | 14 |
Wind waves Height (m) Direction Period (s) | E 6 | E 7 | ENE 6 | ENE 6 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 9 | E 9 | E 10 | E 10 | E 9 | E 9 |
| kJ | 194 | 200 | 194 | 201 | 207 | 240 | 299 | 352 | 383 | 414 | 456 | 494 | 533 | 560 | 688 | 693 | 849 | 1033 | 1389 | 1569 | 1857 | 1782 | 1721 | 1809 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 26 | 26 | 28 | 28 | 166 | 28 | 28 | 26 | 26 | 26 | 26 | 26 | 165 | 166 | 26 | 26 | 26 | 167 | 26 | 168 | 168 | 168 | 168 | 168 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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