Surf Forecasts:
How big are the waves at Backdoor today (28 Sep):
- Morning surf: Morning surf (28 Sep, local time) - 2.5ft (0.8m), 14s period with NNW swell.
- Afternoon surf: Afternoon surf (28 Sep, local time) - 2.5ft (0.8m), 14s period with NNW swell.
- Evening surf: Evening surf (28 Sep, local time) - 2.5ft (0.7m), 13s period with NNW swell.
The current surf forecast for Backdoor at 12AM is: 0.7m 16s primary swell from a North-northwest direction and 0.5m 12s secondary swell from a Northwest direction (forecast issued at 07:00pm September 27). An open ocean swell of 3.0m 9s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Sep) | 2.5ft (0.8m) | 14s |
| Afternoon (28 Sep) | 2.5ft (0.8m) | 14s |
| Evening (28 Sep) | 2.5ft (0.7m) | 13s |
Table - waves today at Backdoor. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 4mm), mostly falling on Wed afternoon. Warm (max 28°C on Tue afternoon, min 25°C on Sun night). Winds decreasing (fresh winds from the E on Sun night, light winds from the SE by Tue night). | |||||||||||||||||||
Sun 27 | Monday 28 | Tuesday 29 | |||||||||||||||||
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) | NNW 18 | NNW 17 | NNW 16 | NNW 16 | NNW 16 | NNW 15 | NNW 14 | NNW 14 | NW 13 | NW 13 | NNW 13 | NNW 13 | NNW 12 | SW 16 | SW 16 | SW 16 | SW 16 | NNW 11 | WSW 11 |
Wave Graph  | |||||||||||||||||||
 kJ | 209 | 261 | 232 | 291 | 280 | 242 | 257 | 246 | 180 | 172 | 147 | 142 | 98 | 132 | 127 | 125 | 125 | 82 | 154 |
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 | off | cross-off | off | off | off | off | off | off |
High Tide | 3:47AM0.68m | 2:38PM0.50m | 4:35AM0.69m | 2:43PM0.46m | |||||||||||||||
Low Tide | 8:48PM0.08m | 9:51AM0.33m | 9:12PM0.06m | 10:51AM0.38m | 9:39PM0.05m | ||||||||||||||
 |  | | | | | |  | |  | | | | | | | | | | |
 | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — |
 | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:21 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 25 | 25 | 25 | 25 | 26 | 26 | 27 | 26 | 25 | 25 | 25 | 25 | 25 | 26 | 28 | 27 | 26 | 26 |
Feels °C | 23 | 22 | 22 | 23 | 23 | 24 | 24 | 25 | 25 | 24 | 24 | 25 | 25 | 25 | 26 | 28 | 26 | 26 | 26 |
Swell 1 Height (m) Direction Period (s) | WNW 13 | NNW 17 | NNW 16 | NNW 16 | NNW 16 | NNW 15 | NNW 14 | NNW 14 | NW 13 | NW 13 | NNW 13 | NNW 13 | NNW 12 | NNW 12 | NW 12 | NNW 12 | E 14 | E 14 | E 14 |
| kJ | 116 | 261 | 232 | 291 | 280 | 242 | 257 | 246 | 180 | 172 | 147 | 142 | 98 | 94 | 112 | 93 | 129 | 183 | 232 |
Swell 2 Height (m) Direction Period (s) | NNW 18 | NW 13 | NW 12 | NW 12 | NW 12 | SSW 14 | NW 12 | SSW 13 | SSW 10 | SW 17 | SSW 12 | SW 17 | SSW 12 | E 14 | E 14 | E 14 | NNW 12 | SW 9 | WSW 11 |
| kJ | 209 | 82 | 90 | 71 | 69 | 79 | 35 | 95 | 35 | 77 | 86 | 76 | 54 | 102 | 92 | 89 | 91 | 50 | 154 |
Swell 3 Height (m) Direction Period (s) | SSW 14 | SSW 14 | SW 14 | SSW 14 | SSW 14 | NW 12 | SW 14 | NW 11 | SW 13 | SW 13 | SSW 17 | E 15 | E 15 | SW 16 | SW 16 | SW 16 | SW 16 | NNW 11 | NW 11 |
| kJ | 82 | 80 | 52 | 80 | 79 | 69 | 50 | 33 | 42 | 40 | 119 | 67 | 104 | 132 | 127 | 125 | 125 | 82 | 58 |
Wind waves Height (m) Direction Period (s) | E 9 | E 9 | E 9 | E 9 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 |
| kJ | 1755 | 1507 | 1291 | 1080 | 993 | 970 | 970 | 819 | 736 | 675 | 650 | 593 | 539 | 476 | 422 | 377 | 377 | 364 | 314 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 187 | 165 | 166 | 166 | 24 | 165 | 24 | 24 | 11 | 27 | 3 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Oahu | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
Header Global | |||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Backdoor surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest