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Surf Forecasts:
Big Lefts surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 1 am Monday 04 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
25.1° 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 6AM is: 1.3m 7s primary swell from a East-northeast direction and 0.5m 14s secondary swell from a South direction (forecast issued at 01:00am May 04). An open ocean swell of 0.4m 11s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 May) | 4.5ft (1.3m) | 8s |
| Afternoon (04 May) | 4ft (1.2m) | 8s |
| Evening (04 May) | 4.5ft (1.3m) | 8s |
Table - waves today at Big Lefts. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 25°C on Tue morning, min 23°C on Mon morning). Wind will be generally light. | ||||||||||||||||||||||||
Monday 4 | Tuesday 5 | Wednesday 6 | ||||||||||||||||||||||
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 | 5 PM | 8 PM | 11 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | E 6 | E 7 | E 7 | SW 18 | E 7 | E 7 | E 7 | SSW 18 | SSW 18 | SSW 18 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | |
228 | 199 | 176 | 151 | 155 | 155 | 181 | 164 | 160 | 86 | 104 | 86 | 94 | 79 | 68 | 54 | 54 | 60 | 102 | 102 | 47 | 85 | 85 | 85 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | glassy | cross-on | cross-on | cross-on | cross | cross-off | glassy | off | glassy | glassy | glassy | glassy | cross-off | cross-off | |
High Tide | 5:02AM0.13m | 6:14PM0.57m | 5:45AM0.11m | 7:00PM0.55m | 6:46AM0.09m | 7:50PM0.53m | ||||||||||||||||||
Low Tide | 1:08AM0.06m | 10:20AM-0.03m | 2:11AM0.06m | 10:51AM-0.01m | 3:19AM0.06m | 11:27AM0.02m | ||||||||||||||||||
 | |  |  | | |  |  | | | | | | | | | | | | | | | | | |
 | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:57 | — | — | — | — | — | — | — | 6:58 | — | — | — | — | — | — | — | 6:58 | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 23 | 23 | 23 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 24 | 25 | 25 | 25 | 24 | 24 | 24 | 23 | 23 | 24 | 24 | 25 | 24 | 24 |
21 | 22 | 21 | 23 | 22 | 22 | 21 | 22 | 24 | 26 | 26 | 27 | 26 | 26 | 26 | 27 | 27 | 26 | 26 | 26 | 26 | 27 | 25 | 25 | |
Swell 1 Height (m) Direction Period (s) | SSW 14 | S 14 | S 14 | S 13 | S 13 | S 13 | NW 12 | NW 12 | ENE 7 | ENE 7 | E 6 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 8 | E 7 | E 8 | SSW 16 |
 kJ | 163 | 106 | 101 | 92 | 89 | 89 | 95 | 118 | 160 | 86 | 104 | 86 | 94 | 79 | 68 | 54 | 54 | 40 | 35 | 37 | 28 | 27 | 31 | 85 |
Swell 2 Height (m) Direction Period (s) | NW 11 | NW 11 | NW 11 | NW 11 | NW 13 | NW 13 | S 13 | SSW 13 | NW 12 | E 6 | NNW 12 | NW 12 | NNW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NNW 10 | NNW 10 | NW 10 | SSW 16 | SSW 16 | NW 10 |
| kJ | 31 | 30 | 19 | 18 | 60 | 82 | 89 | 57 | 114 | 35 | 93 | 67 | 87 | 59 | 58 | 57 | 41 | 40 | 43 | 39 | 25 | 85 | 85 | 24 |
Swell 3 Height (m) Direction Period (s) | SW 20 | SW 19 | SW 19 | NW 13 | SSW 19 | SSW 19 | SSW 18 | SW 18 | SSW 13 | NNW 12 | SSW 12 | E 8 | SSW 12 | SW 18 | SSE 6 | SSE 5 | SSW 12 | SSW 18 | SSW 18 | SSW 18 | SSW 16 | NW 10 | NW 10 | SW 16 |
| kJ | 97 | 96 | 96 | 28 | 37 | 36 | 32 | 81 | 56 | 94 | 51 | 22 | 29 | 79 | 6 | 6 | 27 | 60 | 102 | 102 | 47 | 25 | 24 | 65 |
Wind waves Height (m) Direction Period (s) | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | E 8 |
| kJ | 228 | 199 | 176 | 151 | 155 | 155 | 181 | 164 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 32 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 29 | 0 | 0 | 0 | 29 | 0 | 0 | 29 | 0 | 0 | 0 | 15 | 21 | 17 | 16 | 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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