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Surf Forecasts:
Rockpiles surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 1 am Thursday 28 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
25.1° C
(Which is normal for this time of year)How big are the waves at Rockpiles today (28 May):
- Morning surf: Morning surf (28 May, local time) - 5ft (1.6m), 7s period with ENE swell.
- Afternoon surf: Afternoon surf (28 May, local time) - 4.5ft (1.3m), 7s period with ENE swell.
- Evening surf: Evening surf (28 May, local time) - 4.5ft (1.4m), 7s period with ENE swell.
The current surf forecast for Rockpiles at 9AM is: 1.6m 7s primary swell from a East-northeast direction and 0.6m 12s secondary swell from a South direction (forecast issued at 01:00am May 28). An open ocean swell of 0.4m 12s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 May) | 5ft (1.6m) | 7s |
| Afternoon (28 May) | 4.5ft (1.3m) | 7s |
| Evening (28 May) | 4.5ft (1.4m) | 7s |
Table - waves today at Rockpiles. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 2mm), mostly falling on Sat night. Warm (max 24°C on Thu morning, min 23°C on Thu morning). Winds decreasing (fresh winds from the ENE on Fri afternoon, light winds from the ENE by Sat night). | ||||||||||||||||||||||||
Thursday 28 | Friday 29 | Saturday 30 | ||||||||||||||||||||||
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 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | S 21 | 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 | |
303 | 336 | 273 | 181 | 168 | 168 | 186 | 233 | 329 | 323 | 400 | 495 | 611 | 593 | 568 | 527 | 509 | 498 | 487 | 470 | 438 | 339 | 346 | 337 | |
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 | 1:31AM0.21m | 2:59PM0.59m | 2:11AM0.17m | 3:31PM0.62m | 2:51AM0.15m | 4:04PM0.63m | ||||||||||||||||||
Low Tide | 7:27AM-0.07m | 10:12PM0.09m | 7:53AM-0.07m | 10:55PM0.07m | 8:21AM-0.06m | |||||||||||||||||||
 | |  |  | | |  | | | | | | | | | | | | | | | | |  | |
 | — | 5:48 | — | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:07 | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | |
Temp °C | 23 | 24 | 23 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 24 |
19 | 20 | 20 | 22 | 21 | 21 | 21 | 20 | 20 | 20 | 19 | 21 | 20 | 20 | 20 | 20 | 21 | 22 | 21 | 22 | 22 | 22 | 24 | 25 | |
Swell 1 Height (m) Direction Period (s) | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 | S 12 | S 21 | 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 |
 kJ | 121 | 117 | 109 | 73 | 72 | 103 | 71 | 233 | 329 | 323 | 400 | 495 | 611 | 593 | 568 | 527 | 509 | 498 | 487 | 470 | 438 | 339 | 346 | 337 |
Swell 2 Height (m) Direction Period (s) | NW 13 | NW 13 | NW 12 | NW 12 | NNE 12 | NW 12 | N 13 | S 12 | S 12 | S 12 | N 10 | S 11 | S 11 | S 11 | S 11 | S 13 | S 13 | S 12 | S 12 | E 7 | NE 7 | E 7 | E 7 | NE 8 |
| kJ | 61 | 60 | 54 | 52 | 49 | 52 | 86 | 69 | 67 | 65 | 56 | 61 | 39 | 39 | 39 | 84 | 80 | 72 | 71 | 37 | 77 | 66 | 68 | 46 |
Swell 3 Height (m) Direction Period (s) | NNE 13 | N 12 | NNE 12 | NNE 12 | NW 12 | N 11 | SSW 22 | NNE 11 | NNE 11 | N 11 | S 11 | N 10 | NNE 10 | NNE 10 | NNE 10 | NNE 10 | NNE 11 | E 7 | E 7 | S 12 | S 12 | NE 8 | NE 8 | NNW 10 |
| kJ | 32 | 24 | 48 | 48 | 52 | 20 | 157 | 38 | 38 | 57 | 63 | 52 | 32 | 31 | 31 | 37 | 38 | 25 | 25 | 44 | 44 | 69 | 71 | 31 |
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 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | NE 7 | E 7 | — | — | E 8 |
| kJ | 303 | 336 | 273 | 181 | 168 | 168 | 186 | 186 | 191 | 227 | 200 | 181 | 191 | 197 | 197 | 203 | 183 | 178 | 142 | 122 | 64 | — | — | 89 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 30 | 31 | 30 | 30 | 38 | 32 | 32 | 30 | 30 | 30 | 30 | 30 | 38 | 38 | 31 | 30 | 1 | 1 | 3 | 1 | 1 | 1 | 1 | 0 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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