- Forecast
- Maps
- Live
- Weather State
- Spot Information
Surf Forecasts:
Big Lefts surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 7 am Friday 15 May 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
25.5° C
(Which is slightly warmer than usual)How big are the waves at Big Lefts today?
The current surf forecast for Big Lefts at 4PM is: 1.6m 8s primary swell from a East-northeast direction and 0.5m 16s secondary swell from a Southwest direction (forecast issued at 07:00am May 15). The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 May) | 5ft (1.6m) | 8s |
| Afternoon (15 May) | 5ft (1.5m) | 8s |
| Evening (15 May) | 5ft (1.6m) | 8s |
Table - waves today at Big Lefts. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 11mm), heaviest on Fri afternoon. Warm (max 25°C on Fri morning, min 23°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Friday 15 | Saturday 16 | Sunday 17 | Mon 18 | |||||||||||||||||||||
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 | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | |
300 | 273 | 273 | 240 | 266 | 266 | 273 | 295 | 277 | 277 | 314 | 322 | 322 | 284 | 284 | 310 | 273 | 273 | 244 | 250 | 262 | 250 | 250 | 250 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross-off | cross-on | 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 | cross-off | cross-off | cross-off | cross-off | |
High Tide | 2:19AM0.24m | 3:34PM0.68m | 3:06AM0.19m | 4:19PM0.72m | 3:56AM0.15m | 5:08PM0.74m | ||||||||||||||||||
Low Tide | 8:12AM-0.13m | 10:38PM0.02m | 8:47AM-0.15m | 11:40PM0.00m | 9:26AM-0.14m | 00:43AM-0.00m | ||||||||||||||||||
 |  |  | | | |  |  | | |  | | | | | | | | | | | | | | |
 | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | 5:52 |
 | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:02 | — | — | 7:02 |
3 | — | 1 | 3 | 3 | 2 | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 24 | 24 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 24 | 24 | 24 | 23 | 24 | 25 | 25 | 25 | 24 | 24 | 24 |
26 | 25 | 26 | 25 | 22 | 24 | 24 | 25 | 26 | 25 | 26 | 25 | 25 | 25 | 27 | 27 | 25 | 26 | 26 | 24 | 24 | 23 | 23 | 23 | |
Swell 1 Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | SSW 16 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
 kJ | 300 | 273 | 273 | 240 | 266 | 266 | 102 | 295 | 277 | 277 | 314 | 322 | 322 | 284 | 284 | 310 | 273 | 273 | 244 | 250 | 262 | 250 | 250 | 250 |
Swell 2 Height (m) Direction Period (s) | NNW 13 | NNW 13 | NW 13 | NW 12 | SW 16 | NW 12 | NW 12 | SW 16 | SW 14 | SSW 16 | SW 15 | SW 14 | SW 14 | SW 14 | SSE 12 | SSE 11 | SW 14 | SW 14 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 |
| kJ | 116 | 113 | 78 | 72 | 124 | 69 | 35 | 64 | 49 | 164 | 104 | 103 | 102 | 102 | 46 | 70 | 102 | 100 | 131 | 179 | 193 | 191 | 188 | 186 |
Swell 3 Height (m) Direction Period (s) | SW 16 | SW 16 | SW 16 | SW 16 | NW 12 | SW 14 | SSE 11 | SW 13 | SSE 11 | NW 11 | SSE 10 | SSW 16 | SSW 16 | SSE 12 | SSW 17 | SW 15 | SSE 11 | SSW 16 | SSE 6 | SSE 6 | SSE 11 | SSE 11 | SSE 7 | SSE 10 |
| kJ | 129 | 125 | 124 | 124 | 71 | 50 | 23 | 45 | 22 | 31 | 21 | 53 | 89 | 46 | 93 | 54 | 47 | 138 | 16 | 13 | 65 | 64 | 9 | 20 |
Wind waves Height (m) Direction Period (s) | SE 6 | — | — | — | ENE 7 | ENE 7 | ENE 8 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 34 | — | — | — | 193 | 181 | 273 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 29 | 26 | 0 | 0 | 1 | 29 | 0 | 26 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
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.
Nearest