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Banzai Pipeline and Backdoor Surf Forecast
/ HAW – Oahu (122 breaks) / Hawaii (267 breaks) /
Surf Forecasts:
Banzai Pipeline and Backdoor surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 1 pm Tuesday 21 Oct 2025 HST
How big are the waves at Banzai Pipeline and Backdoor today?
The current surf forecast for Banzai Pipeline and Backdoor at 6PM is: 0.8m 15s primary swell from a North-northwest direction and 0.6m 10s secondary swell from a North-northwest direction, 1.6m 7s secondary swell from a Northeast direction (forecast issued at 01:00pm October 21). The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Oct) | 1.5ft (0.5m) | 17s |
| Afternoon (21 Oct) | 2.5ft (0.7m) | 15s |
| Evening (21 Oct) | 2.5ft (0.8m) | 14s |
Table - waves today at Banzai Pipeline and Backdoor. (Swell directed towards the surf break)
Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | |||||||||||||||||||||
| 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 | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 16 | 16 | 15 | 14 | 13 | 13 | 7 | 12 | 12 | 21 | 20 | 19 | 18 | 18 | 16 | 16 | 15 | 15 | 14 | 14 | 13 | 13 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 149 | 215 | 246 | 233 | 229 | 225 | 220 | 264 | 212 | 300 | 684 | 1147 | 1652 | 1755 | 1951 | 2033 | 1698 | 1568 | 1370 | 1127 | 915 | 888 | 734 | 630 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | 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) | 1:35PM 0.47 | 3:14AM 0.71 | 1:46PM 0.43 | 3:48AM 0.71 | 1:51PM 0.41 | 4:25AM 0.70 | ||||||||||||||||||
Low Tide / height (m) | 9:01AM 0.32 | 7:55PM 0.08 | 9:44AM 0.34 | 8:14PM 0.08 | 10:33AM 0.36 | 8:34PM 0.07 | ||||||||||||||||||
Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:30 | - | - | - | - | - | - | - | 6:31 | - | - | - | - | - | - | - | 6:31 |
| Sunset | - | - | 6:02 | - | - | - | - | - | - | - | 6:01 | - | - | - | - | - | - | - | 6:00 | - | - | - | - | - |
 | | |  | | | | | | | | | | | |  | | | | | |  |  | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - | - |
| Temp. °C | 26 | 26 | 25 | 25 | 25 | 24 | 24 | 25 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 25 |
| Feels °C (?) | 24 | 24 | 23 | 24 | 24 | 23 | 23 | 24 | 24 | 24 | 25 | 24 | 24 | 24 | 24 | 23 | 24 | 24 | 23 | 23 | 24 | 23 | 23 | 24 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for HAW - Oahu
The wind is still cross-off at Banzai Pipeline and Backdoor (light winds from the E at Wheeler Air Force Base/oahu Airport 21 km from Banzai Pipeline and Backdoor). 0.5m 10s swell from the NNW with a 0.5m 15s groundswell, also from the NNW. 2 swells combining to make bigger set waves.
21 km away, 2 h 8 min ago
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