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Surf Forecasts:
Big Lefts surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 1 pm Wednesday 13 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 5PM is: 2.0m 7s primary swell from a East direction and 0.4m 14s secondary swell from a South-southwest direction (forecast issued at 01:00pm May 13). An open ocean swell of 0.3m 9s 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 May) | 6ft (1.9m) | 7s |
| Afternoon (13 May) | 6ft (1.9m) | 7s |
| Evening (13 May) | 6.5ft (2.0m) | 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 Thu afternoon, min 22°C on Fri night). Winds decreasing (strong winds from the ENE on Wed afternoon, calm by Fri morning). | ||||||||||||||||||||||||
Wed 13 | Thursday 14 | Friday 15 | Sat 16 | |||||||||||||||||||||
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 | 5 AM | 8 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
ENE 7 | ENE 7 | E 7 | E 7 | E 7 | ENE 7 | 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 | |
298 | 299 | 388 | 452 | 400 | 371 | 371 | 335 | 265 | 225 | 236 | 203 | 208 | 234 | 215 | 221 | 215 | 207 | 215 | 226 | 232 | 266 | 284 | 284 | |
Wind (km/h) | ||||||||||||||||||||||||
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 | glassy | cross-on | cross-on | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 2:09PM0.52m | 1:34AM0.29m | 2:50PM0.61m | 2:19AM0.24m | 3:34PM0.68m | 3:06AM0.19m | ||||||||||||||||||
Low Tide | 8:34PM0.07m | 7:40AM-0.12m | 9:37PM0.04m | 8:12AM-0.13m | 10:38PM0.02m | |||||||||||||||||||
 | | |  | | |  |  | | | | | | |  | | |  | |  | | | | | |
 | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — |
 | — | — | 7:00 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | 7:01 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | 1 | 7 | 7 | 1 | — | — | — | |
Temp °C | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 24 | 24 | 25 | 24 | 24 | 24 | 24 | 23 | 24 | 24 | 25 | 23 | 22 | 23 | 23 | 23 | 24 |
19 | 20 | 19 | 20 | 19 | 20 | 20 | 21 | 21 | 22 | 21 | 23 | 24 | 25 | 25 | 27 | 25 | 26 | 26 | 22 | 22 | 22 | 23 | 25 | |
Swell 1 Height (m) Direction Period (s) | S 14 | S 14 | SSW 14 | SSW 14 | SW 14 | SSW 14 | SSW 14 | NW 16 | NW 15 | NW 15 | NNW 15 | NNW 14 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | NNW 12 | SSW 16 | ENE 8 | ENE 8 | ENE 8 |
 kJ | 66 | 62 | 82 | 37 | 54 | 81 | 81 | 64 | 109 | 107 | 142 | 138 | 208 | 234 | 215 | 221 | 215 | 207 | 215 | 56 | 102 | 266 | 284 | 284 |
Swell 2 Height (m) Direction Period (s) | SW 15 | SW 15 | N 9 | N 9 | S 13 | N 8 | NW 16 | SW 14 | SW 14 | N 8 | N 8 | N 8 | NNW 14 | NNW 13 | NNW 13 | NNW 13 | NNW 13 | NW 12 | SW 16 | SW 16 | N 6 | NW 11 | SSW 14 | SSW 16 |
| kJ | 57 | 55 | 15 | 14 | 31 | 13 | 68 | 53 | 53 | 22 | 12 | 12 | 129 | 120 | 116 | 113 | 106 | 72 | 124 | 66 | 13 | 33 | 76 | 164 |
Swell 3 Height (m) Direction Period (s) | NNW 9 | N 10 | S 14 | SW 15 | N 9 | NW 16 | 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 | NW 12 | SW 16 | SSW 16 | SSE 11 |
| kJ | 8 | 16 | 14 | 33 | 13 | 42 | 13 | 12 | 12 | 50 | 47 | 77 | 47 | 70 | 129 | 127 | 124 | 124 | 71 | 50 | 35 | 64 | 103 | 22 |
Wind waves Height (m) Direction Period (s) | ENE 7 | ENE 7 | E 7 | E 7 | E 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | — | — | — | — | SE 5 | — | — | ENE 8 | ENE 8 | — | — | — |
| kJ | 298 | 299 | 388 | 452 | 400 | 371 | 371 | 335 | 265 | 225 | 236 | 203 | — | — | — | — | 16 | — | — | 226 | 232 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 42 | 158 | 45 | 37 | 36 | 29 | 29 | 29 | 29 | 30 | 29 | 0 | 29 | 0 | 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 | ||||||||||||||||||||||||
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