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Backdoor Surf Forecast
/ HAW – Oahu (122 breaks) / Hawaii (267 breaks) /
Surf Forecasts
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Backdoor surf Forecast / HAW – Oahu / USA
48hr Weather and Surf, issued 1 pm Thursday 18 Apr 2024 HST
Forecast update in hr min s 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 24.3°C (Statistics for 18 Apr 1981-2005 - mean: 24.4 °C max: 25.2 °C min: 23.5 °C)
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Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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 24.3°C (Statistics for 18 Apr 1981-2005 - mean: 24.4 °C max: 25.2 °C min: 23.5 °C)
How big are the waves at Backdoor today?
The current surf forecast for Backdoor at 2PM is: 1.9m 9s primary swell from a North-northeast direction and 0.5m 16s secondary swell from a Southwest direction, 0.4m 13s secondary swell from a Northwest direction (forecast issued at 01:00pm April 18). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Apr) | 6.5ft (2.0m) | 9s |
| Afternoon (18 Apr) | 6ft (1.9m) | 9s |
| Evening (18 Apr) | 6ft (1.8m) | 9s |
Table - waves today at Backdoor. (Swell directed towards the surf break)
Updates in hr min s Update imminent
Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| 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 | 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 | 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 | |
Rating (10 max) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Swell Height Map |    |    |    |    |    |    |    |    | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Period(s) (?) | 9 | 9 | 9 | 9 | 9 | 10 | 8 | 8 | 8 | 9 | 9 | 9 | 8 | 7 | 7 | 9 | 8 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 16 | 10 | 10 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Energy (?) | 613 | 592 | 325 | 588 | 528 | 260 | 199 | 167 | 138 | 120 | 123 | 123 | 65 | 35 | 37 | 78 | 58 | 61 | 134 | 229 | 427 | 498 | 556 | 633 | 638 | 628 | 618 | 608 | 593 | 584 | 505 | 497 | 418 | 411 | 341 | 274 | 209 | 195 | 151 | 149 | 114 | 110 | 75 | 50 | 50 | 57 | 85 | 55 | 55 | 84 | 92 | 123 | 123 | 194 | 211 | 264 | 288 | 261 | 253 | 249 |
Wind (km/h) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | 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 | 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 | 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 / height (m) | 12:38PM 0.41 | 12:17AM 0.61 | 1:05PM 0.47 | 12:39AM 0.59 | 1:32PM 0.54 | 12:58AM 0.56 | 2:01PM 0.61 | 1:15AM 0.53 | 2:32PM 0.66 | 1:31AM 0.49 | 3:03PM 0.70 | 1:44AM 0.45 | 3:37PM 0.72 | 1:53AM 0.42 | 4:15PM 0.72 | |||||||||||||||||||||||||||||||||||||||||||||
Low Tide / height (m) | 5:36PM 0.27 | 7:07AM 0.20 | 6:27PM 0.27 | 7:14AM 0.18 | 7:12PM 0.28 | 7:24AM 0.15 | 7:56PM 0.29 | 7:37AM 0.12 | 8:39PM 0.31 | 7:53AM 0.09 | 9:23PM 0.33 | 8:11AM 0.07 | 10:12PM 0.35 | 8:31AM 0.06 | ||||||||||||||||||||||||||||||||||||||||||||||
Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:07 | - | - | - | - | - | - | - | 6:07 | - | - | - | - | - | - | - | 6:07 | - | - | - | - | - | - | - | 6:05 | - | - | - | - | - | - | - | 6:05 | - | - | - | - | - | - | - | 6:05 | - | - | - | - | - | - | - | 6:03 | - | - | - | - |
| Sunset | - | - | 6:52 | - | - | - | - | - | - | - | 6:52 | - | - | - | - | - | - | - | 6:52 | - | - | - | - | - | - | - | 6:53 | - | - | - | - | - | - | - | 6:53 | - | - | - | - | - | - | - | 6:54 | - | - | - | - | - | - | - | 6:54 | - | - | - | - | - | - | - | 6:54 | - |
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Rain (mm) | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 2 | 1 | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 22 | 23 | 22 | 22 | 21 | 21 | 22 | 22 | 23 | 23 | 22 | 22 | 22 | 21 | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 21 | 21 | 22 | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 23 |
| Feels °C (?) | 20 | 21 | 19 | 19 | 18 | 19 | 20 | 19 | 20 | 20 | 19 | 19 | 20 | 19 | 19 | 19 | 21 | 20 | 20 | 21 | 21 | 20 | 20 | 21 | 21 | 21 | 20 | 19 | 19 | 19 | 20 | 19 | 20 | 20 | 19 | 19 | 19 | 18 | 19 | 19 | 20 | 19 | 20 | 19 | 19 | 19 | 19 | 19 | 18 | 19 | 19 | 18 | 18 | 18 | 19 | 20 | 19 | 19 | 20 | 20 |
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