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Surf Forecasts:
Big Lefts surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 7 pm Monday 25 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
25.2° C
(Which is normal for this time of year)How big are the waves at Big Lefts today?
The current surf forecast for Big Lefts at 3AM is: 2.2m 7s primary swell from a East-northeast direction and 0.5m 13s secondary swell from a South direction (forecast issued at 07:00pm May 25). An open ocean swell of 0.1m 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 (26 May) | 6ft (1.9m) | 7s |
| Afternoon (26 May) | 7ft (2.2m) | 7s |
| Evening (26 May) | 7.5ft (2.3m) | 8s |
Table - waves today at Big Lefts. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 2mm), mostly falling on Wed night. Warm (max 24°C on Tue morning, min 23°C on Mon night). Mainly strong winds. | ||||||||||||||||||||||||
Mon 25 | Tuesday 26 | Wednesday 27 | Thu 28 | |||||||||||||||||||||
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 | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | |
471 | 459 | 503 | 560 | 516 | 379 | 369 | 394 | 573 | 604 | 482 | 404 | 390 | 353 | 286 | 286 | 263 | 349 | 356 | 312 | 310 | 249 | 203 | 178 | |
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 | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 00:06AM0.30m | 1:54PM0.49m | 00:50AM0.25m | 2:27PM0.55m | 1:31AM0.21m | |||||||||||||||||||
Low Tide | 7:16PM0.16m | 6:39AM-0.06m | 8:25PM0.13m | 7:03AM-0.06m | 9:23PM0.11m | 7:27AM-0.07m | ||||||||||||||||||
 |  | |  | | | | | | | | | | | | | | | | |  |  | | | |
 | — | — | — | — | 5:48 | — | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — | — | 5:48 | — | — | — |
 | 7:06 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | 7:07 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | |
Temp °C | 24 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 24 | 24 |
20 | 19 | 19 | 19 | 18 | 18 | 20 | 20 | 18 | 18 | 19 | 19 | 20 | 20 | 19 | 20 | 20 | 19 | 19 | 20 | 19 | 19 | 21 | 21 | |
Swell 1 Height (m) Direction Period (s) | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | S 15 | S 15 | S 14 | S 14 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 |
 kJ | 85 | 84 | 84 | 84 | 84 | 84 | 51 | 47 | 47 | 47 | 109 | 150 | 148 | 146 | 144 | 97 | 129 | 125 | 123 | 121 | 117 | 77 | 73 | 72 |
Swell 2 Height (m) Direction Period (s) | NNW 11 | NNW 11 | NNW 10 | NW 10 | S 17 | S 16 | S 16 | S 16 | S 16 | S 16 | NW 16 | NW 16 | NW 15 | NW 15 | NW 15 | NW 14 | NW 14 | NW 14 | NW 13 | NW 13 | NW 13 | NW 12 | NW 12 | NNE 12 |
| kJ | 11 | 11 | 11 | 4 | 22 | 21 | 45 | 45 | 45 | 43 | 93 | 91 | 79 | 107 | 104 | 97 | 96 | 89 | 61 | 61 | 60 | 54 | 52 | 49 |
Swell 3 Height (m) Direction Period (s) | S 19 | S 20 | SE 9 | SW 19 | NW 10 | NW 10 | NW 10 | SSE 8 | NW 18 | NW 18 | SW 18 | SW 18 | SW 18 | SSE 8 | SSE 6 | SSE 6 | SSE 6 | N 12 | N 12 | NNE 13 | N 12 | NNE 12 | NNE 12 | NW 12 |
| kJ | 7 | 7 | 3 | 15 | 4 | 4 | 4 | 7 | 50 | 49 | 12 | 12 | 12 | 7 | 4 | 3 | 3 | 12 | 28 | 32 | 24 | 48 | 48 | 52 |
Wind waves Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 |
| kJ | 471 | 459 | 503 | 560 | 516 | 379 | 369 | 394 | 573 | 604 | 482 | 404 | 390 | 353 | 286 | 286 | 263 | 349 | 356 | 312 | 310 | 249 | 203 | 178 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 45 | 36 | 45 | 37 | 130 | 45 | 37 | 39 | 128 | 45 | 36 | 29 | 29 | 29 | 29 | 36 | 37 | 32 | 39 | 29 | 29 | 36 | 29 | 29 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Ocean Swells (m)- Wind Speed (km/h)
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