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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 Saturday 04 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
23.8° C
(Which is slightly cooler than normal)How big are the waves at Backdoor today?
The current surf forecast for Backdoor at 2AM is: 0.6m 12s primary swell from a North-northwest direction (forecast issued at 07:00pm April 04). An open ocean swell of 0.4m 8s is not directed at the surf break, a second open ocean swell of 1.0m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (05 Apr) | 2.5ft (0.7m) | 12s |
| Afternoon (05 Apr) | 2.5ft (0.7m) | 11s |
| Evening (05 Apr) | 2.5ft (0.7m) | 10s |
Table - waves today at Backdoor. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 04 | Sunday 05 | Monday 06 | Tuesday 07 | |||||||||||||||||||||
| 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 | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 6 | 13 | 13 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 14 | 14 | 13 | 13 | 13 | 13 | 12 | 18 | 18 | 18 | 16 | 16 | 16 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 83 | 34 | 64 | 98 | 94 | 123 | 109 | 105 | 103 | 99 | 102 | 92 | 113 | 138 | 134 | 100 | 120 | 116 | 155 | 154 | 216 | 314 | 310 | 335 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | 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 | off | off | off | glass | glass |
High Tide / height (m) | 4:35PM 0.68 | 2:33AM 0.43 | 5:17PM 0.65 | 2:00AM 0.41 | 6:10PM 0.62 | |||||||||||||||||||
Low Tide / height (m) | 11:05PM 0.38 | 9:25AM 0.10 | 12:23AM 0.41 | 9:45AM 0.11 | 10:08AM 0.13 | |||||||||||||||||||
Saturday 04 | Sunday 05 | Monday 06 | Tuesday 07 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:20 | - | - | - | - | - | - | - | 6:20 | - | - | - | - | - | - | - | 6:18 | - | - |
| Sunset | 6:47 | - | - | - | - | - | - | - | 6:47 | - | - | - | - | - | - | - | 6:47 | - | - | - | - | - | - | - |
 |  | | |  |  | |  | | | | |  | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | 1 | - | - | - | - | 1 | 1 | - | - | - | - | - | - | - | - | - | 1 |
| Temp. °C | 22 | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 21 | 22 | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 24 | 24 |
| Feels °C (?) | 19 | 19 | 19 | 19 | 19 | 21 | 20 | 20 | 20 | 21 | 20 | 21 | 20 | 21 | 21 | 21 | 22 | 21 | 22 | 22 | 23 | 23 | 26 | 26 |
- 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.
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