Surf Forecasts:
How big are the waves at Backdoor today (14 Sep):
- Morning surf: Morning surf (14 Sep, local time) - 3ft (0.9m), 8s period with NE swell.
- Afternoon surf: Afternoon surf (14 Sep, local time) - 3ft (0.9m), 8s period with NE swell.
- Evening surf: Evening surf (14 Sep, local time) - 1ft (0.3m), 22s period with SW swell.
The current surf forecast for Backdoor at 4AM is: 0.9m 9s primary swell from a Northeast direction (forecast issued at 07:00pm September 13). An open ocean swell of 0.4m 14s is not directed at the surf break, a second open ocean swell of 0.6m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Sep) | 3ft (0.9m) | 8s |
| Afternoon (14 Sep) | 3ft (0.9m) | 8s |
| Evening (14 Sep) | 1ft (0.3m) | 22s |
Table - waves today at Backdoor. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 27°C on Mon afternoon, min 24°C on Sun night). Wind will be generally light. | |||||||||||||||||||
Sun 13 | Monday 14 | Tuesday 15 | |||||||||||||||||
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) | NE 9 | NE 9 | NE 9 | NE 9 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | SW 22 | SW 21 | SW 21 | NE 8 | NNE 8 | SW 20 | SW 20 | NNE 8 | SW 19 | SW 19 |
Wave Graph  | |||||||||||||||||||
 kJ | 112 | 112 | 112 | 123 | 120 | 102 | 100 | 100 | 98 | 73 | 72 | 72 | 51 | 36 | 188 | 186 | 52 | 184 | 184 |
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 |
High Tide | 4:45AM0.62m | 3:14PM0.49m | 5:33AM0.61m | 2:56PM0.46m | |||||||||||||||
Low Tide | 9:42PM0.12m | 10:39AM0.37m | 10:01PM0.12m | 11:37AM0.42m | 10:21PM0.13m | ||||||||||||||
 |  | | |  |  | | | | | | | | | | | | | | |
 | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — |
 | 6:37 | — | — | — | — | — | — | — | 6:36 | — | — | — | — | — | — | — | 6:35 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 25 | 25 | 25 | 24 | 25 | 26 | 27 | 26 | 25 | 25 | 25 | 25 | 25 | 26 | 27 | 27 | 26 | 26 |
Feels °C | 26 | 25 | 26 | 25 | 24 | 25 | 26 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 28 | 28 | 27 | 27 |
Swell 1 Height (m) Direction Period (s) | NE 9 | NE 9 | NE 9 | NE 9 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NNE 8 | NNE 8 | NNE 8 | NNE 8 | SW 19 | NNE 8 |
| kJ | 112 | 112 | 112 | 123 | 120 | 102 | 100 | 100 | 98 | 69 | 53 | 51 | 51 | 36 | 51 | 39 | 52 | 184 | 39 |
Swell 2 Height (m) Direction Period (s) | SSW 15 | SSW 15 | SSW 12 | NW 12 | SW 14 | SSW 11 | SSW 14 | SW 22 | SW 22 | SW 22 | SW 13 | SW 21 | SW 21 | SSW 21 | SW 20 | SW 20 | E 12 | E 11 | SW 19 |
| kJ | 21 | 21 | 14 | 23 | 51 | 13 | 19 | 79 | 119 | 73 | 28 | 72 | 116 | 170 | 188 | 186 | 44 | 39 | 184 |
Swell 3 Height (m) Direction Period (s) | SSW 12 | SSW 12 | SSW 14 | SW 12 | NW 12 | SSW 14 | SW 11 | SSW 14 | SSW 14 | WNW 11 | SW 21 | SSW 13 | E 13 | NE 8 | E 12 | E 12 | SSW 19 | SSW 12 | E 11 |
| kJ | 14 | 14 | 21 | 24 | 23 | 19 | 5 | 19 | 18 | 12 | 72 | 17 | 31 | 21 | 26 | 45 | 148 | 15 | 38 |
Wind waves Height (m) Direction Period (s) | ENE 9 | E 9 | E 8 | E 4 | E 4 | ENE 4 | ENE 5 | ENE 5 | E 5 | ENE 5 | ENE 5 | ENE 5 | ENE 5 | ENE 5 | ENE 5 | ENE 5 | ENE 5 | NE 8 | ENE 5 |
| kJ | 61 | 54 | 51 | 7 | 13 | 27 | 28 | 22 | 15 | 32 | 59 | 60 | 62 | 62 | 51 | 50 | 37 | 129 | 44 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 28 | 2 | 0 | 2 | 4 | 2 | 2 | 24 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
Best forecast wave conditions in Oahu | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
Header Global | |||||||||||||||||||
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