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Surf Forecasts:
Big Lefts surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 1 am Monday 13 Apr 2026 HSTForecast update in hr min s Forecast update imminent
Big Lefts surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Big Lefts sea temperature is
24.0° C
(Which is slightly cooler than normal)How big are the waves at Big Lefts today?
The current surf forecast for Big Lefts at 7AM is: 0.5m 12s primary swell from a Southwest direction and 0.5m 7s secondary swell from a East direction (forecast issued at 01:00am April 13). An open ocean swell of 0.6m 11s 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 Apr) | 1.5ft (0.5m) | 12s |
| Afternoon (13 Apr) | 1.5ft (0.5m) | 12s |
| Evening (13 Apr) | 1.5ft (0.5m) | 14s |
Table - waves today at Big Lefts. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 13 | Tuesday 14 | Wednesday 15 | ||||||||||||||||||||||
| 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) (?) | 13 | 13 | 12 | 12 | 12 | 12 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 87 | 84 | 75 | 73 | 73 | 75 | 63 | 100 | 100 | 97 | 131 | 127 | 127 | 125 | 162 | 157 | 153 | 148 | 145 | 143 | 141 | 103 | 144 | 144 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | off | cross- off | cross- on | cross- on | glass | glass | glass | glass | glass | glass | glass | glass | cross- off | off | off | off | cross- off | cross- off | cross- off | glass | cross- off | cross- off |
High Tide / height (m) | 1:07AM 0.48 | 1:54PM 0.34 | 1:43AM 0.45 | 2:30PM 0.42 | 2:19AM 0.42 | 3:08PM 0.50 | ||||||||||||||||||
Low Tide / height (m) | 7:51AM -0.02 | 7:32PM 0.05 | 8:12AM -0.05 | 8:27PM 0.03 | 8:35AM -0.08 | |||||||||||||||||||
Monday 13 | Tuesday 14 | Wednesday 15 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:13 | - | - | - | - | - | - | - | 6:13 | - | - | - | - | - | - | - | 6:11 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:50 | - | - | - | - | - | - | - | 6:50 | - | - | - | - | - | - | - | 6:50 | - |
 |  | |  |  | | | | | | | |  | | | | | | | | | |  | | |
Rain (mm) | 4 | - | - | 1 | - | - | - | - | - | - | 1 | - | - | - | - | 1 | 1 | - | - | - | - | - | 1 | - |
| Temp. °C | 21 | 22 | 22 | 21 | 22 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 23 | 22 | 22 | 23 | 24 | 24 | 24 | 24 |
| Feels °C (?) | 22 | 23 | 24 | 23 | 24 | 25 | 26 | 27 | 26 | 27 | 26 | 27 | 26 | 27 | 26 | 26 | 25 | 23 | 23 | 25 | 26 | 27 | 27 | 27 |
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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
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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