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Backdoor Surf Forecast
/ HAW – Oahu (122 breaks) / Hawaii (267 breaks) /
Surf Forecasts:
Backdoor surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 7 pm Friday 24 Apr 2026 HSTForecast update in hr min s Forecast update imminent
Backdoor surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Backdoor sea temperature is
24.9° C
(Which is normal for this time of year)How big are the waves at Backdoor today?
The current surf forecast for Backdoor at 2AM is: 1.8m 7s primary swell from a Northeast direction and 0.6m 12s secondary swell from a North-northwest direction, 0.5m 12s secondary swell from a West direction (forecast issued at 07:00pm April 24). The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Apr) | 5.5ft (1.7m) | 8s |
| Afternoon (25 Apr) | 5ft (1.5m) | 8s |
| Evening (25 Apr) | 3.5ft (1.0m) | 13s |
Table - waves today at Backdoor. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 25°C on Mon afternoon, min 23°C on Fri night). Mainly fresh winds. | ||||||||||||||||||||||||
Fri 24 | Saturday 25 | Sunday 26 | Mon 27 | |||||||||||||||||||||
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 | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
NE 9 | NE 9 | NE 6 | NE 7 | NE 8 | NE 8 | NE 8 | NE 8 | NW 13 | NW 13 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NE 8 | NE 8 | NW 11 | NW 11 | NW 11 | NW 11 | |
202 | 255 | 163 | 284 | 352 | 393 | 361 | 333 | 336 | 326 | 292 | 282 | 287 | 336 | 278 | 264 | 250 | 246 | 215 | 215 | 172 | 169 | 137 | 117 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross-off | cross | cross | 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 | 10:36PM0.66m | 11:50AM0.37m | 11:16PM0.64m | 12:32PM0.46m | 11:48PM0.60m | 1:08PM0.54m | ||||||||||||||||||
Low Tide | 6:21AM0.22m | 4:11PM0.29m | 6:26AM0.19m | 5:34PM0.31m | 6:37AM0.16m | |||||||||||||||||||
 |  | |  | | | | | | | | | | | | | | | | | | | | | |
 | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — |
 | 6:54 | — | — | — | — | — | — | — | 6:54 | — | — | — | — | — | — | — | 6:54 | — | — | — | — | — | — | 6:55 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 24 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 24 | 25 |
22 | 21 | 20 | 21 | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 22 | 22 | 23 | 23 | 22 | 23 | 24 | |
Swell 1 Height (m) Direction Period (s) | WNW 12 | NNW 12 | NNW 12 | NNW 12 | NW 12 | NW 11 | NNW 11 | NW 11 | NW 13 | NW 13 | NW 12 | NW 12 | NE 8 | NW 12 | NW 12 | NW 12 | NW 11 | NE 8 | NNW 11 | NW 11 | NW 11 | ENE 8 | NW 11 | NW 11 |
 kJ | 87 | 104 | 99 | 94 | 112 | 185 | 219 | 150 | 336 | 326 | 292 | 282 | 241 | 336 | 278 | 264 | 250 | 216 | 215 | 172 | 172 | 173 | 137 | 117 |
Swell 2 Height (m) Direction Period (s) | NW 11 | W 12 | WNW 12 | W 12 | NW 14 | WNW 12 | WNW 11 | NNW 13 | NNE 8 | SW 16 | SW 15 | SW 15 | NW 12 | SW 14 | SSW 14 | SW 14 | SW 14 | NW 11 | SW 14 | SW 14 | SW 14 | NW 11 | SW 13 | SW 13 |
| kJ | 30 | 75 | 79 | 69 | 103 | 45 | 40 | 120 | 24 | 61 | 60 | 56 | 287 | 54 | 82 | 103 | 102 | 246 | 51 | 49 | 46 | 169 | 45 | 44 |
Swell 3 Height (m) Direction Period (s) | NW 14 | ESE 7 | SSW 13 | NNW 15 | W 12 | SW 15 | SW 15 | SW 15 | SW 15 | WNW 11 | WNW 11 | WNW 10 | SW 15 | W 10 | W 10 | W 10 | W 10 | SSW 14 | NNE 10 | ESE 8 | NE 10 | SW 13 | NE 9 | NE 9 |
| kJ | 47 | 10 | 17 | 84 | 67 | 59 | 36 | 59 | 60 | 22 | 22 | 20 | 54 | 8 | 7 | 7 | 7 | 80 | 10 | 6 | 24 | 46 | 22 | 22 |
Wind waves Height (m) Direction Period (s) | NE 9 | NE 9 | NE 6 | NE 7 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | ESE 5 | NE 8 | NE 8 | NE 8 | NE 8 | — | NE 8 | NE 8 | ENE 8 | — | ENE 8 | ENE 8 |
| kJ | 202 | 255 | 163 | 284 | 352 | 393 | 361 | 333 | 247 | 239 | 241 | 241 | 26 | 215 | 215 | 191 | 216 | — | 191 | 215 | 193 | — | 199 | 226 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 33 | 30 | 30 | 29 | 24 | 24 | 24 | 28 | 30 | 26 | 2 | 2 | 2 | 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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