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Surf Forecasts:
Rockpiles surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 7 am Wednesday 10 Dec 2025 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
25.9° C
(Which is slightly warmer than usual)How big are the waves at Rockpiles today?
The current surf forecast for Rockpiles at 3PM is: 0.7m 8s primary swell from a East direction and 0.4m 3s secondary swell from a Southwest direction (forecast issued at 07:00am December 10). An open ocean swell of 1.1m 14s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Dec) | 2.5ft (0.8m) | 8s |
| Afternoon (10 Dec) | 2.5ft (0.7m) | 8s |
| Evening (10 Dec) | 1.5ft (0.4m) | 16s |
Table - waves today at Rockpiles. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 10 | Thursday 11 | Friday 12 | Sat 13 | |||||||||||||||||||||
| 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 | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 8 | 8 | 8 | 16 | 16 | 15 | 15 | 15 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 11 | 11 | 8 | 8 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 72 | 72 | 72 | 57 | 85 | 83 | 73 | 72 | 71 | 43 | 42 | 42 | 29 | 29 | 30 | 30 | 31 | 31 | 0 | 0 | 31 | 31 | 31 | 31 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- on | cross- on | cross- on | cross- on | cross | cross | cross | cross- on | off | off | glass | off | off | off | off | off | cross- off | cross | cross | cross | cross- on | on | on |
High Tide / height (m) | 8:30AM 0.59 | 10:38PM 0.29 | 9:17AM 0.51 | 11:45PM 0.37 | 10:05AM 0.43 | 12:34AM 0.44 | ||||||||||||||||||
Low Tide / height (m) | 4:13PM 0.03 | 2:35AM 0.23 | 4:48PM 0.03 | 4:29AM 0.27 | 5:18PM 0.03 | |||||||||||||||||||
Wednesday 10 | Thursday 11 | Friday 12 | Sat 13 | |||||||||||||||||||||
| Sunrise | - | 6:56 | - | - | - | - | - | - | - | 6:58 | - | - | - | - | - | - | - | 6:58 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 5:50 | - | - | - | - | - | - | - | 5:50 | - | - | - | - | - | - | - | 5:50 | - | - | - |
 |  | |  | | | | |  |  |  |  | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | 4 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 23 | 23 | 24 | 25 | 25 | 24 | 24 | 24 | 23 | 22 | 23 | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 23 | 23 | 24 | 23 | 24 | 24 |
| Feels °C (?) | 24 | 23 | 23 | 24 | 24 | 23 | 23 | 23 | 22 | 23 | 24 | 24 | 24 | 24 | 22 | 23 | 23 | 23 | 24 | 23 | 25 | 25 | 25 | 24 |
- Map Icons:
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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