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Surf Forecasts:
Big Lefts surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 7 pm Sunday 14 Sep 2025 HST
How big are the waves at Big Lefts today?
The current surf forecast for Big Lefts at 10PM is: 0.5m 14s primary swell from a South-southwest direction and 1.1m 6s secondary swell from a East direction (forecast issued at 07:00pm September 14). An open ocean swell of 0.5m 10s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Sep) | - | - |
| Afternoon (14 Sep) | 4ft (1.2m) | 6s |
| Evening (14 Sep) | 1.5ft (0.5m) | 14s |
Table - waves today at Big Lefts. (Swell directed towards the surf break)
Sunday 14 | Monday 15 | Tuesday 16 | Wednesday 17 | |||||||||||||||||||||
| 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) (?) | 6 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 8 | 13 | 13 | 13 | 12 | 12 | 12 | 17 | 17 | 16 | 16 | 6 | 6 | 6 | 6 | 6 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 118 | 118 | 116 | 76 | 102 | 69 | 68 | 68 | 163 | 68 | 99 | 95 | 89 | 59 | 58 | 76 | 72 | 69 | 67 | 151 | 176 | 196 | 173 | 156 |
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) | 11:02PM 0.19 | 11:53AM 0.69 | 12:34AM 0.23 | 12:49PM 0.69 | 1:27AM 0.28 | 1:35PM 0.69 | ||||||||||||||||||
Low Tide / height (m) | 7:17PM 0.15 | 3:33AM 0.12 | 7:52PM 0.12 | 5:05AM 0.12 | 8:20PM 0.09 | 6:20AM 0.12 | ||||||||||||||||||
Sunday 14 | Monday 15 | Tuesday 16 | Wednesday 17 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:18 | - | - | - | - | - | - | - | 6:18 | - | - | - | - | - | - | - | 6:18 | - | - |
| Sunset | 6:35 | - | - | - | - | - | - | - | 6:34 | - | - | - | - | - | - | - | 6:32 | - | - | - | - | - | - | - |
 |  | | |  | |  | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 26 | 25 | 25 | 24 | 24 | 25 | 26 | 26 | 26 | 25 | 25 | 24 | 24 | 25 | 25 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 26 | 26 |
| Feels °C (?) | 23 | 23 | 23 | 22 | 24 | 24 | 25 | 24 | 24 | 23 | 23 | 23 | 22 | 23 | 23 | 23 | 23 | 23 | 22 | 23 | 23 | 22 | 23 | 24 |
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Live Wave Height (m)
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for HAW - Oahu
Continuing clean conditions at Big Lefts (light winds from the ENE at BUOY-OOUH1 2 km from Big Lefts). 1.0m 5s windswell from the ENE with a 0.6m 10s swell from the SSE and a 0.3m 14s groundswell from the SSW. 3 swells combining to make bigger set waves.
1 h 8 min ago
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