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Surf Forecasts:
Big Lefts surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 7 am Thursday 14 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 1PM is: 1.5m 7s primary swell from a East-northeast direction (forecast issued at 07:00am May 14). An open ocean swell of 0.5m 15s is not directed at the surf break, a second open ocean swell of 0.4m 8s 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 May) | 5ft (1.6m) | 7s |
| Afternoon (14 May) | 5ft (1.5m) | 7s |
| Evening (14 May) | 5ft (1.5m) | 7s |
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 17mm), heaviest on Fri afternoon. Warm (max 25°C on Fri morning, min 23°C on Thu night). Winds decreasing (fresh winds from the ENE on Thu afternoon, calm by Sat night). | ||||||||||||||||||||||||
Thursday 14 | Friday 15 | Saturday 16 | Sun 17 | |||||||||||||||||||||
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 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | 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 | |
310 | 254 | 236 | 225 | 203 | 231 | 237 | 346 | 273 | 273 | 240 | 210 | 240 | 273 | 311 | 328 | 336 | 284 | 284 | 284 | 291 | 291 | 244 | 280 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | 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 | glassy | |
High Tide | 2:50PM0.61m | 2:19AM0.24m | 3:34PM0.68m | 3:06AM0.19m | 4:19PM0.72m | |||||||||||||||||||
Low Tide | 7:40AM-0.12m | 9:37PM0.04m | 8:12AM-0.13m | 10:38PM0.02m | 8:47AM-0.15m | 11:40PM0.00m | ||||||||||||||||||
 |  | |  | |  |  | |  | |  | | | | | | | | | | | | | | |
 | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | 5:52 |
 | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:01 | — | — | 7:02 |
— | — | — | — | — | — | 1 | 1 | 1 | — | 2 | 4 | 3 | 2 | — | — | — | — | — | 1 | 1 | 1 | — | — | |
Temp °C | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 24 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 24 |
21 | 21 | 21 | 21 | 21 | 22 | 23 | 23 | 24 | 26 | 26 | 27 | 26 | 23 | 22 | 24 | 25 | 25 | 26 | 25 | 25 | 27 | 29 | 28 | |
Swell 1 Height (m) Direction Period (s) | SSW 14 | NW 16 | NW 15 | NW 15 | NNW 15 | NNW 14 | NNW 14 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | SSW 16 | SSE 11 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
 kJ | 81 | 64 | 109 | 107 | 142 | 136 | 127 | 266 | 273 | 273 | 240 | 210 | 240 | 273 | 102 | 39 | 336 | 284 | 284 | 284 | 291 | 291 | 244 | 280 |
Swell 2 Height (m) Direction Period (s) | NW 16 | SW 14 | SW 14 | N 8 | N 8 | N 8 | N 8 | NNW 13 | NNW 13 | NNW 13 | NNW 12 | NW 12 | SW 16 | NNW 12 | NW 12 | SW 16 | SSW 16 | SSW 16 | SW 15 | SW 14 | SW 14 | SW 14 | SSW 17 | SSW 17 |
| kJ | 68 | 53 | 53 | 22 | 12 | 12 | 12 | 120 | 116 | 113 | 104 | 72 | 124 | 56 | 35 | 64 | 103 | 164 | 104 | 103 | 102 | 102 | 93 | 112 |
Swell 3 Height (m) Direction Period (s) | N 8 | N 8 | N 8 | SW 14 | SW 14 | SW 17 | SW 14 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | NW 12 | SW 14 | SSE 11 | SW 13 | SW 14 | SSE 11 | SSE 10 | SSW 16 | SSW 16 | SSE 12 | SSE 12 | SSE 11 |
| kJ | 12 | 12 | 12 | 50 | 47 | 77 | 47 | 70 | 129 | 127 | 124 | 124 | 71 | 50 | 23 | 45 | 49 | 22 | 21 | 53 | 89 | 46 | 46 | 43 |
Wind waves Height (m) Direction Period (s) | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | — | — | — | — | — | — | ENE 8 | ENE 8 | — | — | — | — | — | — | — | — |
| kJ | 310 | 254 | 236 | 225 | 203 | 231 | 237 | 346 | — | — | — | — | — | — | 311 | 328 | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 30 | 29 | 29 | 30 | 29 | 29 | 29 | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 30 | 0 | 0 | 5 | 29 | 3 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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