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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 am Friday 01 May 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
24.6° C
(Which is normal for this time of year)How big are the waves at Backdoor today?
The current surf forecast for Backdoor at 3PM is: 1.0m 12s primary swell from a North-northwest direction and 0.6m 18s secondary swell from a Northwest direction (forecast issued at 07:00am May 01). An open ocean swell of 2.1m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (01 May) | 3.5ft (1.0m) | 12s |
| Afternoon (01 May) | 3.5ft (1.0m) | 12s |
| Evening (01 May) | 2.5ft (0.8m) | 16s |
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 24°C on Fri afternoon, min 22°C on Fri night). Mainly fresh winds. | ||||||||||||||||||||||||
Friday 1 | Saturday 2 | Sunday 3 | Mon 4 | |||||||||||||||||||||
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 | 2 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
NNW 12 | NNW 12 | NNW 12 | NNW 12 | NW 18 | NW 16 | NW 16 | NW 16 | NW 15 | NW 15 | NW 14 | NW 14 | NW 14 | NW 13 | NW 13 | NW 13 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | |
359 | 294 | 289 | 280 | 379 | 380 | 677 | 532 | 714 | 966 | 821 | 696 | 586 | 560 | 488 | 473 | 335 | 324 | 319 | 319 | 272 | 259 | 202 | 168 | |
Wind (km/h) | ||||||||||||||||||||||||
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 | 3:13PM0.74m | 1:28AM0.41m | 3:47PM0.74m | 1:36AM0.39m | 4:24PM0.73m | 1:25AM0.37m | ||||||||||||||||||
Low Tide | 7:41AM0.07m | 9:58PM0.35m | 8:02AM0.06m | 10:51PM0.36m | 8:25AM0.06m | 00:02AM0.37m | ||||||||||||||||||
 |  |  | | | | | | | | | | | | | | | | | | | | | | |
 | 6:01 | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | 5:58 |
 | — | — | — | — | 6:57 | — | — | — | — | — | — | — | 6:58 | — | — | — | — | — | — | — | 6:58 | — | — | 6:59 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 23 | 23 | 23 | 24 | 24 | 23 | 23 | 23 | 22 | 23 | 24 | 24 | 24 | 23 | 23 | 23 | 22 | 23 | 23 | 24 | 24 | 23 | 23 | 23 |
20 | 19 | 19 | 21 | 21 | 21 | 21 | 21 | 20 | 21 | 22 | 22 | 22 | 22 | 22 | 23 | 21 | 22 | 21 | 22 | 22 | 21 | 21 | 22 | |
Swell 1 Height (m) Direction Period (s) | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 11 | NNW 11 | NW 16 | NW 16 | NW 15 | NW 15 | NW 14 | NW 14 | NW 14 | NW 13 | NW 13 | NW 13 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 |
 kJ | 359 | 294 | 289 | 280 | 200 | 193 | 677 | 532 | 714 | 966 | 821 | 696 | 586 | 560 | 488 | 473 | 335 | 324 | 319 | 319 | 272 | 259 | 202 | 168 |
Swell 2 Height (m) Direction Period (s) | SW 15 | SSW 15 | NW 19 | NW 18 | NW 18 | NW 16 | NNW 11 | NNW 12 | NNW 12 | SSW 18 | S 14 | SSW 14 | SSW 14 | S 14 | SSW 15 | SSW 16 | S 13 | SSW 16 | SSW 16 | ESE 8 | SSW 15 | SSW 14 | SSW 14 | SSW 14 |
| kJ | 9 | 21 | 58 | 111 | 379 | 380 | 193 | 174 | 174 | 30 | 16 | 21 | 20 | 16 | 21 | 25 | 14 | 25 | 25 | 85 | 21 | 21 | 21 | 21 |
Swell 3 Height (m) Direction Period (s) | SW 11 | NW 20 | S 15 | NNW 21 | S 16 | NW 20 | SSW 16 | NNW 18 | SSW 14 | W 15 | SSW 18 | SW 18 | S 18 | SW 18 | SW 16 | SW 16 | SW 16 | S 13 | S 13 | SSW 16 | S 21 | SW 21 | SW 20 | SSW 19 |
| kJ | 5 | 15 | 17 | 43 | 20 | 186 | 25 | 211 | 19 | 4 | 30 | 12 | 6 | 12 | 10 | 10 | 10 | 13 | 13 | 25 | 9 | 17 | 15 | 37 |
Wind waves Height (m) Direction Period (s) | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 420 | 516 | 545 | 481 | 452 | 397 | 358 | 368 | 331 | 331 | 318 | 310 | 300 | 266 | 246 | 246 | 246 | 253 | 253 | 138 | 232 | 218 | 245 | 234 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 26 | 26 | 24 | 24 | 24 | 5 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 24 | 24 | 24 | 24 | 28 | 2 | 2 | 2 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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