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Rockpiles surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 1 pm Friday 18 Jul 2025 HST
How big are the waves at Rockpiles today?
The current surf forecast for Rockpiles at 5PM is: 1.3m 9s primary swell from a East-northeast direction and 0.5m 16s secondary swell from a Southwest direction (forecast issued at 01:00pm July 18). An open ocean swell of 0.6m 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 (18 Jul) | 5ft (1.5m) | 8s |
| Afternoon (18 Jul) | 4.5ft (1.3m) | 9s |
| Evening (18 Jul) | 4.5ft (1.3m) | 9s |
Table - waves today at Rockpiles. (Swell directed towards the surf break)
Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | |||||||||||||||||||||
| 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 | 5 AM | 8 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 15 | 9 | 9 | 9 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 13 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
| Energy (?) | 90 | 363 | 386 | 434 | 180 | 182 | 187 | 224 | 219 | 213 | 201 | 213 | 479 | 463 | 462 | 490 | 436 | 410 | 363 | 408 | 397 | 377 | 160 | 324 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | 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 / height (m) | 11:35AM 0.55 | 9:43PM 0.26 | 12:35PM 0.63 | 11:07PM 0.20 | 1:28PM 0.70 | 12:36AM 0.17 | ||||||||||||||||||
Low Tide / height (m) | 6:43PM 0.23 | 4:31AM -0.03 | 8:24PM 0.17 | 5:22AM -0.04 | 9:21PM 0.12 | 6:16AM -0.04 | ||||||||||||||||||
Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 5:58 | - | - | - | - | - | - | - | 6:00 | - | - | - | - | - | - | - | 6:00 |
| Sunset | - | - | 7:15 | - | - | - | - | - | - | - | 7:15 | - | - | - | - | - | - | - | 7:15 | - | - | - | - | - |
 | | |  | | |  |  | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 26 | 27 | 26 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 25 | 25 | 25 | 24 | 25 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 |
| Feels °C (?) | 24 | 25 | 24 | 24 | 24 | 23 | 24 | 24 | 25 | 24 | 24 | 23 | 25 | 26 | 25 | 27 | 26 | 24 | 24 | 23 | 24 | 23 | 24 | 24 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for HAW - Oahu
Cross-off wind 4 km from Rockpiles has become light (light winds from the ENE at Saint Louis Heights wx). Waves should be turning clean at Rockpiles. 0.7m 9s swell from the ESE with a 0.3m 11s groundswell from the S and a 0.2m 13s groundswell from the SSW. Swells combining to make to make bigger set waves.- light winds from the ENE at Saint Louis Heights wx mean that is clean at Waikiki. 0.7m 9s swell from the ESE with a 0.3m 11s groundswell from the S and a 0.2m 13s groundswell from the SSW. Swells combining to make to make bigger set waves.
Actual: 57 min ago
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