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Surf Forecasts:
Backyards surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 7 am Tuesday 21 Apr 2026 HSTForecast update in hr min s Forecast update imminent
Backyards surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Backyards sea temperature is
24.2° C
(Which is normal for this time of year)How big are the waves at Backyards today?
The current surf forecast for Backyards at 2PM is: 0.9m 8s primary swell from a North-northeast direction (forecast issued at 07:00am April 21). An open ocean swell of 0.5m 8s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Apr) | 3ft (0.9m) | 8s |
| Afternoon (21 Apr) | 3ft (0.9m) | 8s |
| Evening (21 Apr) | 2.5ft (0.7m) | 16s |
Table - waves today at Backyards. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 21 | Wednesday 22 | Thursday 23 | Fri 24 | |||||||||||||||||||||
| 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 | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 14 | 8 | 8 | 8 | 8 | 16 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 12 | 12 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 100 | 88 | 93 | 106 | 109 | 226 | 291 | 437 | 536 | 581 | 606 | 587 | 509 | 494 | 399 | 385 | 302 | 270 | 251 | 214 | 194 | 186 | 296 | 320 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | glass | glass | cross | cross- on | cross | cross | cross- off | cross- off | cross- off | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide / height (m) | 7:13PM 0.73 | 8:32PM 0.70 | 9:42PM 0.68 | |||||||||||||||||||||
Low Tide / height (m) | 10:12AM 0.05 | 10:54AM 0.11 | 11:55AM 0.18 | |||||||||||||||||||||
Tuesday 21 | Wednesday 22 | Thursday 23 | Fri 24 | |||||||||||||||||||||
| Sunrise | - | 6:07 | - | - | - | - | - | - | - | 6:07 | - | - | - | - | - | - | - | 6:05 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 6:52 | - | - | - | - | - | - | - | 6:53 | - | - | - | - | - | - | - | 6:53 | - | - | - |
 |  | |  | |  | | | | | | | | | | | |  | | |  | |  | | |
Rain (mm) | - | - | - | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 23 | 23 | 25 | 25 | 25 | 24 | 24 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 23 | 23 | 22 | 23 | 23 | 23 | 23 | 22 | 22 | 22 |
| Feels °C (?) | 26 | 26 | 28 | 28 | 28 | 26 | 27 | 25 | 25 | 25 | 26 | 25 | 25 | 26 | 24 | 24 | 22 | 23 | 22 | 22 | 22 | 21 | 20 | 21 |
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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
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