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Surf Forecasts:
Big Lefts surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 7 am Saturday 30 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 (30 May):
- Morning surf: Morning surf (30 May, local time) - 3ft (0.9m), 17s period with S swell.
- Afternoon surf: Afternoon surf (30 May, local time) - 3ft (0.9m), 16s period with S swell.
- Evening surf: Evening surf (30 May, local time) - 3ft (0.9m), 16s period with SSW swell.
The current surf forecast for Big Lefts at 1PM is: 0.9m 17s primary swell from a South direction (forecast issued at 07:00am May 30). An open ocean swell of 0.9m 7s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 May) | 3ft (0.9m) | 17s |
| Afternoon (30 May) | 3ft (0.9m) | 16s |
| Evening (30 May) | 3ft (0.9m) | 16s |
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 Sun afternoon, min 23°C on Sat morning). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 30 | Sunday 31 | Monday 1 | Tue 2 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
S 18 | S 17 | S 17 | S 16 | S 16 | SSW 16 | SSW 16 | SSW 16 | S 16 | SSW 15 | SSW 15 | S 15 | S 15 | SSW 14 | SSW 14 | S 19 | S 19 | S 19 | S 18 | SSW 18 | SSW 18 | SSW 17 | SSW 17 | S 21 | |
498 | 487 | 470 | 438 | 334 | 432 | 337 | 333 | 310 | 316 | 300 | 212 | 209 | 215 | 215 | 276 | 273 | 343 | 408 | 422 | 516 | 404 | 482 | 448 | |
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 | 2:51AM0.15m | 4:04PM0.63m | 3:30AM0.13m | 4:39PM0.64m | 4:10AM0.12m | 5:16PM0.64m | ||||||||||||||||||
Low Tide | 8:21AM-0.06m | 11:37PM0.05m | 8:52AM-0.06m | 00:19AM0.05m | 9:25AM-0.05m | 1:02AM0.05m | ||||||||||||||||||
 |  | |  | |  | | | | | | | | | | | | | | | | | | | |
 | 5:48 | — | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — | 5:48 |
 | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:08 | — | — | — | — | — | — | — | 7:08 | — | — | 7:09 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 24 | 24 | 25 | 25 | 24 | 24 | 23 | 23 | 23 | 24 | 25 | 25 | 24 | 23 | 23 |
23 | 22 | 22 | 22 | 22 | 24 | 24 | 24 | 24 | 25 | 24 | 25 | 26 | 25 | 25 | 24 | 24 | 23 | 23 | 24 | 24 | 24 | 23 | 23 | |
Swell 1 Height (m) Direction Period (s) | S 18 | ENE 7 | NE 8 | NE 7 | S 16 | SSW 16 | SSW 16 | SSW 16 | S 16 | SSW 15 | SSW 15 | S 15 | S 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | S 18 | SSW 18 | SSW 18 | SSW 17 | SSW 17 | SSW 16 |
 kJ | 498 | 148 | 129 | 89 | 334 | 432 | 337 | 333 | 310 | 316 | 300 | 212 | 209 | 215 | 215 | 276 | 273 | 210 | 408 | 422 | 516 | 404 | 482 | 448 |
Swell 2 Height (m) Direction Period (s) | S 12 | S 17 | S 17 | S 16 | NE 7 | NE 7 | E 8 | E 8 | E 7 | NE 8 | E 7 | N 8 | N 8 | E 8 | S 19 | S 19 | S 19 | S 19 | S 14 | S 14 | S 13 | S 13 | S 13 | S 21 |
| kJ | 72 | 487 | 470 | 438 | 73 | 77 | 71 | 60 | 53 | 67 | 40 | 21 | 20 | 55 | 192 | 273 | 267 | 343 | 144 | 134 | 89 | 126 | 125 | 428 |
Swell 3 Height (m) Direction Period (s) | NNE 11 | S 12 | S 12 | E 7 | E 8 | E 8 | NE 7 | NE 7 | NE 7 | E 7 | N 8 | S 11 | NNW 11 | SSW 20 | E 8 | NNW 11 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | S 21 | S 21 | S 13 |
| kJ | 38 | 71 | 69 | 37 | 55 | 55 | 54 | 52 | 54 | 40 | 21 | 20 | 23 | 132 | 29 | 37 | 33 | 33 | 19 | 32 | 31 | 329 | 332 | 125 |
Wind waves Height (m) Direction Period (s) | ENE 7 | NE 7 | — | — | — | — | — | — | — | — | NE 7 | ENE 7 | ENE 8 | NE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 |
| kJ | 148 | 160 | — | — | — | — | — | — | — | — | 79 | 117 | 99 | 51 | 70 | 131 | 131 | 120 | 128 | 151 | 169 | 164 | 173 | 158 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 29 | 30 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 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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