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Surf Forecasts:
Big Lefts surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 1 am Friday 29 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 (29 May):
- Morning surf: Morning surf (29 May, local time) - 2.5ft (0.8m), 20s period with S swell.
- Afternoon surf: Afternoon surf (29 May, local time) - 3ft (0.9m), 19s period with S swell.
- Evening surf: Evening surf (29 May, local time) - 3ft (0.9m), 19s period with S swell.
The current surf forecast for Big Lefts at 7AM is: 0.7m 20s primary swell from a South direction and 1.4m 7s secondary swell from a East-northeast direction (forecast issued at 01:00am May 29). An open ocean swell of 0.5m 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 (29 May) | 2.5ft (0.8m) | 20s |
| Afternoon (29 May) | 3ft (0.9m) | 19s |
| Evening (29 May) | 3ft (0.9m) | 19s |
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 Sat afternoon, min 23°C on Fri night). Winds decreasing (fresh winds from the ENE on Fri afternoon, light winds from the E by Sun morning). | ||||||||||||||||||||||||
Friday 29 | Saturday 30 | Sunday 31 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
S 21 | S 21 | S 20 | S 20 | S 20 | S 19 | S 19 | S 18 | S 18 | 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 | |
329 | 323 | 400 | 495 | 611 | 593 | 568 | 527 | 509 | 498 | 487 | 470 | 438 | 339 | 432 | 337 | 333 | 310 | 316 | 300 | 212 | 209 | 215 | 215 | |
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 | cross-off | cross-off | cross-off | cross-off | |
High Tide | 2:11AM0.17m | 3:31PM0.62m | 2:51AM0.15m | 4:04PM0.63m | 3:30AM0.13m | 4:39PM0.64m | ||||||||||||||||||
Low Tide | 7:53AM-0.07m | 10:55PM0.07m | 8:21AM-0.06m | 11:37PM0.05m | 8:52AM-0.06m | |||||||||||||||||||
 |  |  | | | | | |  | | |  | | | | | | | | | | | | | |
 | — | 5:48 | — | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:08 | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 23 | 23 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 24 | 25 | 24 | 24 | 23 | 23 | 23 | 23 | 24 | 24 | 25 | 24 | 24 |
20 | 20 | 21 | 21 | 20 | 20 | 20 | 20 | 22 | 22 | 21 | 22 | 23 | 22 | 23 | 22 | 24 | 24 | 24 | 25 | 24 | 25 | 24 | 24 | |
Swell 1 Height (m) Direction Period (s) | S 21 | S 21 | S 20 | S 20 | S 20 | S 19 | S 19 | S 18 | S 18 | S 18 | S 17 | NE 7 | S 16 | S 16 | SSW 16 | SSW 16 | SSW 16 | S 16 | SSW 15 | SSW 15 | S 15 | S 15 | SSW 14 | SSW 14 |
 kJ | 329 | 323 | 400 | 495 | 611 | 593 | 568 | 527 | 509 | 498 | 487 | 126 | 438 | 339 | 432 | 337 | 333 | 310 | 316 | 300 | 212 | 209 | 215 | 215 |
Swell 2 Height (m) Direction Period (s) | S 12 | S 12 | N 10 | S 11 | N 10 | S 11 | S 11 | S 13 | S 13 | S 12 | ESE 7 | S 17 | NE 7 | NE 7 | S 12 | S 11 | E 7 | NE 8 | NE 7 | E 8 | E 8 | E 8 | E 8 | S 19 |
| kJ | 67 | 65 | 56 | 61 | 48 | 39 | 39 | 84 | 80 | 72 | 40 | 470 | 77 | 75 | 42 | 40 | 66 | 67 | 64 | 29 | 29 | 29 | 29 | 192 |
Swell 3 Height (m) Direction Period (s) | NNE 11 | N 11 | S 11 | N 10 | S 11 | NNE 10 | NNE 10 | NNE 11 | NNE 11 | NNE 11 | S 12 | E 7 | S 12 | S 12 | NNW 10 | NNW 10 | NE 8 | E 8 | E 8 | N 8 | N 8 | N 8 | SSW 20 | E 8 |
| kJ | 38 | 57 | 63 | 52 | 39 | 31 | 31 | 37 | 38 | 38 | 71 | 26 | 68 | 43 | 31 | 18 | 55 | 55 | 42 | 21 | 22 | 20 | 132 | 30 |
Wind waves Height (m) Direction Period (s) | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | NE 7 | — | E 7 | E 7 | ENE 7 | ENE 7 | — | — | — | ENE 7 | ENE 7 | NE 7 | NE 8 | ENE 8 |
| kJ | 220 | 200 | 181 | 162 | 181 | 203 | 197 | 178 | 188 | 172 | 91 | — | 49 | 63 | 147 | 147 | — | — | — | 68 | 66 | 79 | 82 | 72 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 29 | 29 | 29 | 29 | 36 | 36 | 29 | 29 | 0 | 0 | 0 | 29 | 29 | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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