Surf Forecasts:
How big are the waves at Backdoor today (28 Jul):
- Morning surf: Morning surf (28 Jul, local time) - 4.5ft (1.4m), 7s period with NNE swell.
- Afternoon surf: Afternoon surf (28 Jul, local time) - 4.5ft (1.3m), 7s period with NNE swell.
- Evening surf: Evening surf (28 Jul, local time) - 4.5ft (1.3m), 6s period with NNE swell.
The current surf forecast for Backdoor at 11AM is: 1.4m 7s primary swell from a North-northeast direction (forecast issued at 07:00am July 28). An open ocean swell of 2.2m 13s is not directed at the surf break, a second open ocean swell of 0.3m 14s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Jul) | 4.5ft (1.4m) | 7s |
| Afternoon (28 Jul) | 4.5ft (1.3m) | 7s |
| Evening (28 Jul) | 4.5ft (1.3m) | 6s |
Table - waves today at Backdoor. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 3mm), mostly falling on Tue morning. Warm (max 27°C on Thu morning, min 24°C on Tue night). Winds increasing (light winds from the ENE on Wed night, fresh winds from the E by Thu night). | |||||||||||||||||||||||
Tuesday 28 | Wednesday 29 | Thursday 30 | |||||||||||||||||||||
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) | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 6 | NNE 7 | NNE 8 | SW 21 | SW 15 | SW 15 | NE 9 | NE 9 | NE 9 | N 7 | SW 19 | N 10 | SW 18 | N 9 | N 9 | NNE 6 | N 9 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 208 | 228 | 175 | 150 | 151 | 134 | 114 | 116 | 149 | 17 | 8 | 8 | 664 | 550 | 460 | 44 | 14 | 2 | 49 | 7 | 15 | 8 | 14 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 3:06PM0.77m | 1:35AM0.37m | 3:30PM0.77m | 2:18AM0.39m | 3:52PM0.75m | ||||||||||||||||||
Low Tide | 7:19AM0.04m | 10:09PM0.31m | 7:52AM0.05m | 10:24PM0.30m | 8:24AM0.07m | 10:40PM0.28m | |||||||||||||||||
 |  |  | | |  |  |  | |  |  | | | | | | | | | | | | | |
 | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — |
 | — | — | — | — | 7:13 | — | — | — | — | — | — | — | 7:13 | — | — | — | — | — | — | — | 7:12 | — | — |
mm | 1 | 1 | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | 1 | — | — | — | — | — | — |
Temp °C | 25 | 25 | 26 | 26 | 26 | 25 | 25 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 27 | 27 | 26 | 25 | 25 |
Feels °C | 26 | 26 | 27 | 27 | 27 | 26 | 26 | 25 | 26 | 27 | 27 | 27 | 28 | 28 | 28 | 27 | 27 | 26 | 28 | 27 | 25 | 25 | 25 |
Swell 1 Height (m) Direction Period (s) | E 13 | E 13 | E 13 | E 13 | E 13 | E 12 | E 12 | E 11 | ENE 11 | ENE 10 | ENE 10 | ENE 10 | NE 9 | NE 9 | NE 9 | ENE 9 | SSW 13 | SSW 13 | SW 18 | SW 18 | SW 18 | E 18 | E 17 |
| kJ | 1520 | 1510 | 1657 | 1783 | 1739 | 1570 | 1388 | 1144 | 1091 | 1082 | 908 | 804 | 664 | 550 | 460 | 268 | 16 | 34 | 49 | 79 | 79 | 97 | 86 |
Swell 2 Height (m) Direction Period (s) | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 14 | NNE 8 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | N 7 | SW 19 | SSW 18 | SSW 13 | SSW 13 | N 9 | NNE 6 | SW 17 |
| kJ | 40 | 37 | 36 | 35 | 35 | 35 | 35 | 36 | 149 | 37 | 36 | 37 | 19 | 34 | 33 | 44 | 14 | 31 | 34 | 34 | 15 | 8 | 77 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | S 16 | S 16 | — | SSW 14 | SW 21 | SW 15 | SW 15 | SW 20 | SW 19 | SSW 19 | NE 7 | S 15 | N 10 | E 19 | N 9 | SSW 13 | SW 18 | N 9 |
| kJ | — | — | — | — | — | 20 | 21 | — | 36 | 17 | 8 | 8 | 15 | 15 | 37 | 13 | 4 | 2 | 29 | 7 | 34 | 79 | 14 |
Wind waves Height (m) Direction Period (s) | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 6 | NNE 7 | — | — | — | — | — | — | ESE 3 | E 4 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | E 8 | E 8 |
| kJ | 208 | 228 | 175 | 150 | 151 | 134 | 114 | 116 | — | — | — | — | — | — | 1 | 16 | 428 | 438 | 364 | 308 | 308 | 273 | 302 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 28 | 28 | 28 | 33 | 33 | 28 | 28 | 28 | 2 | 13 | 13 | 13 | 13 | 0 | 0 | 0 | 0 | 0 | 1 | 6 | 24 | 24 | 24 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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