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Rockpiles surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 7 am Tuesday 12 May 2026 HSTForecast update in hr min s Forecast update imminent
Rockpiles surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Rockpiles sea temperature is
25.5° C
(Which is slightly warmer than usual)How big are the waves at Rockpiles today?
The current surf forecast for Rockpiles at 11AM is: 1.7m 6s primary swell from a East-northeast direction and 0.5m 16s secondary swell from a South direction (forecast issued at 07:00am May 12). 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 (12 May) | 6ft (1.8m) | 6s |
| Afternoon (12 May) | 5ft (1.5m) | 6s |
| Evening (12 May) | 6ft (1.9m) | 6s |
Table - waves today at Rockpiles. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 25°C on Thu afternoon, min 23°C on Tue morning). Winds decreasing (strong winds from the ENE on Tue night, light winds from the ENE by Thu night). | ||||||||||||||||||||||||
Tuesday 12 | Wednesday 13 | Thursday 14 | Fri 15 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | E 7 | E 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | E 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | |
252 | 280 | 219 | 181 | 210 | 226 | 366 | 427 | 342 | 342 | 342 | 277 | 268 | 342 | 400 | 383 | 310 | 276 | 261 | 231 | 237 | 199 | 237 | 283 | |
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 | 1:30PM0.43m | 00:49AM0.34m | 2:09PM0.52m | 1:34AM0.29m | 2:50PM0.61m | |||||||||||||||||||
Low Tide | 6:44AM-0.06m | 7:29PM0.10m | 7:10AM-0.09m | 8:34PM0.07m | 7:40AM-0.12m | 9:37PM0.04m | ||||||||||||||||||
 |  | | | | |  | |  |  | | | | | | | | | | | | | | | |
 | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | 5:52 |
 | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 7:00 | — | — | 7:01 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 24 | 23 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 24 | 24 | 25 | 24 | 24 | 24 | 24 |
20 | 18 | 19 | 19 | 20 | 18 | 19 | 19 | 18 | 18 | 20 | 20 | 20 | 19 | 19 | 20 | 20 | 21 | 21 | 22 | 21 | 21 | 22 | 23 | |
Swell 1 Height (m) Direction Period (s) | SSW 16 | NNW 12 | S 16 | S 16 | S 16 | NNW 10 | NNW 10 | NNW 10 | NW 10 | S 15 | S 14 | S 14 | SSW 14 | SSW 14 | SW 14 | SW 14 | SSW 14 | NW 16 | NW 15 | NW 15 | NNW 15 | NNW 14 | ENE 7 | ENE 8 |
 kJ | 89 | 46 | 127 | 131 | 124 | 38 | 38 | 37 | 23 | 67 | 66 | 62 | 82 | 37 | 54 | 53 | 81 | 63 | 109 | 107 | 142 | 138 | 237 | 283 |
Swell 2 Height (m) Direction Period (s) | NNW 12 | SSW 16 | NNW 11 | NNW 10 | NNW 10 | S 16 | S 15 | S 15 | S 15 | SW 16 | SW 15 | SW 15 | N 9 | N 9 | N 8 | NW 16 | NW 16 | SW 14 | SW 14 | N 8 | N 8 | N 8 | NNW 14 | NNW 13 |
| kJ | 30 | 84 | 40 | 35 | 33 | 79 | 71 | 39 | 38 | 63 | 57 | 55 | 7 | 14 | 13 | 42 | 68 | 53 | 53 | 12 | 22 | 12 | 127 | 120 |
Swell 3 Height (m) Direction Period (s) | S 12 | S 12 | S 16 | S 11 | S 11 | SW 16 | SW 16 | SW 16 | SSW 14 | NW 9 | NNW 9 | N 10 | S 14 | SW 15 | S 13 | N 9 | N 8 | N 8 | N 8 | SW 14 | SW 14 | SW 17 | SW 14 | SW 17 |
| kJ | 26 | 26 | 47 | 9 | 9 | 40 | 65 | 65 | 41 | 13 | 8 | 7 | 14 | 33 | 31 | 13 | 13 | 12 | 12 | 50 | 47 | 77 | 47 | 70 |
Wind waves Height (m) Direction Period (s) | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | E 7 | E 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | E 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | — | — |
| kJ | 252 | 280 | 219 | 181 | 210 | 226 | 366 | 427 | 342 | 342 | 342 | 277 | 268 | 342 | 400 | 383 | 310 | 276 | 261 | 231 | 237 | 199 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 30 | 39 | 38 | 44 | 39 | 41 | 41 | 38 | 38 | 38 | 41 | 41 | 41 | 38 | 38 | 31 | 32 | 31 | 30 | 32 | 39 | 31 | 31 | 30 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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