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Surf Forecasts:
Big Lefts surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 7 pm Friday 12 Sep 2025 HST
How big are the waves at Big Lefts today?
The current surf forecast for Big Lefts at 12AM is: 1.5m 7s primary swell from a East direction and 0.7m 13s secondary swell from a South direction (forecast issued at 07:00pm September 12). An open ocean swell of 0.4m 12s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Sep) | - | - |
| Afternoon (13 Sep) | 4.5ft (1.4m) | 7s |
| Evening (13 Sep) | 4.5ft (1.4m) | 7s |
Table - waves today at Big Lefts. (Swell directed towards the surf break)
Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | |||||||||||||||||||||
| 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) (?) | 7 | 7 | 7 | 13 | 13 | 7 | 13 | 12 | 12 | 12 | 15 | 6 | 6 | 6 | 6 | 14 | 14 | 14 | 14 | 7 | 7 | 7 | 8 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 208 | 192 | 208 | 166 | 163 | 150 | 119 | 146 | 141 | 112 | 156 | 167 | 206 | 156 | 115 | 118 | 118 | 118 | 117 | 134 | 131 | 106 | 114 | 68 |
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 | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 6:59PM 0.26 | 9:25AM 0.66 | 8:27PM 0.20 | 10:44AM 0.67 | 11:02PM 0.19 | 11:53AM 0.69 | ||||||||||||||||||
Low Tide / height (m) | 3:43PM 0.22 | 1:08AM 0.06 | 6:08PM 0.19 | 2:06AM 0.09 | 7:17PM 0.15 | 3:33AM 0.12 | ||||||||||||||||||
Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:16 | - | - | - | - | - | - | - | 6:18 | - | - | - | - | - | - | - | 6:18 | - | - |
| Sunset | 6:37 | - | - | - | - | - | - | - | 6:36 | - | - | - | - | - | - | - | 6:35 | - | - | - | - | - | - | - |
 |  | | | | | | | |  | | | |  | | | | | | | |  | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 26 | 25 | 25 | 24 | 24 | 25 | 25 | 26 | 27 | 26 | 25 | 25 | 25 | 25 | 25 | 26 | 26 |
| Feels °C (?) | 24 | 24 | 25 | 24 | 25 | 24 | 23 | 24 | 23 | 23 | 22 | 22 | 22 | 22 | 24 | 25 | 24 | 23 | 24 | 25 | 25 | 24 | 25 | 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 Big Lefts (light winds from the ENE at BUOY-OOUH1 2 km from Big Lefts). 0.9m 6s windswell from the ENE with a 0.7m 11s groundswell from the SSE and a 0.5m 10s swell, also from the SSE as well as a 0.2m 11s groundswell, also from the SSW. 4 swells combining to make bigger set waves.
1 h 23 min ago
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Big Lefts 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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