Surf Forecasts:
How big are the waves at Rockpiles today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 2ft (0.6m), 18s period with SSW swell.
- Afternoon surf: Afternoon surf (20 Aug, local time) - 2ft (0.6m), 18s period with SSW swell.
- Evening surf: Evening surf (20 Aug, local time) - 2ft (0.6m), 16s period with SSW swell.
The current surf forecast for Rockpiles at 1PM is: 0.6m 18s primary swell from a South-southwest direction and 0.8m 8s secondary swell from a East direction (forecast issued at 07:00am August 20). An open ocean swell of 0.8m 7s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | 2ft (0.6m) | 18s |
| Afternoon (20 Aug) | 2ft (0.6m) | 18s |
| Evening (20 Aug) | 2ft (0.6m) | 16s |
Table - waves today at Rockpiles. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 27°C on Thu afternoon, min 25°C on Thu morning). Winds increasing (calm on Thu night, strong winds from the ENE by Sat afternoon). | |||||||||||||||||||||||
Thursday 20 | Friday 21 | Saturday 22 | |||||||||||||||||||||
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 |  |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SW 17 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 17 | SSW 16 | SW 16 | SW 17 | SW 17 | SW 17 | SW 17 | SW 16 | SW 16 | SSW 16 | SSW 16 | SSW 16 | SW 16 | SW 16 | SW 16 | SW 16 | ENE 7 | ENE 7 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 142 | 204 | 207 | 207 | 200 | 184 | 177 | 274 | 288 | 295 | 291 | 284 | 264 | 258 | 322 | 322 | 322 | 261 | 261 | 258 | 255 | 251 | 277 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | glassy | cross | cross-on | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 11:25AM0.56m | 10:11PM0.21m | 12:25PM0.59m | 00:08AM0.21m | 1:12PM0.63m | ||||||||||||||||||
Low Tide | 2:47AM0.12m | 8:27PM0.20m | 3:53AM0.12m | 8:41PM0.17m | 5:06AM0.12m | 9:00PM0.16m | |||||||||||||||||
 |  | | | | | |  | | | | | | | | | | | | | | | | |
 | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | — | — | — | — | 6:57 | — | — | — | — | — | — | — | 6:57 | — | — | — | — | — | — | — | 6:55 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 26 | 27 | 27 | 26 | 26 | 25 | 25 | 25 | 26 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 |
Feels °C | 27 | 28 | 29 | 30 | 30 | 29 | 29 | 29 | 29 | 29 | 29 | 30 | 31 | 30 | 28 | 28 | 29 | 27 | 24 | 23 | 24 | 23 | 22 |
Swell 1 Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | NE 7 | SW 17 | NE 7 | ENE 7 | NE 7 | ENE 7 | ENE 7 | SSW 16 | E 6 | ENE 6 | SW 16 | SW 16 | SW 16 | SW 16 | SSW 16 |
| kJ | 76 | 72 | 54 | 72 | 131 | 131 | 111 | 108 | 67 | 295 | 57 | 86 | 67 | 81 | 81 | 322 | 45 | 113 | 261 | 258 | 255 | 251 | 215 |
Swell 2 Height (m) Direction Period (s) | NE 6 | NE 6 | NE 6 | NE 7 | SSW 17 | SSW 17 | SSW 16 | SW 16 | SW 17 | NNE 7 | SW 17 | SW 17 | SW 16 | SW 16 | SSW 16 | W 10 | NE 7 | SW 16 | WNW 10 | W 10 | W 11 | W 11 | WNW 11 |
| kJ | 39 | 42 | 42 | 55 | 200 | 184 | 177 | 274 | 288 | 35 | 291 | 284 | 264 | 258 | 322 | 50 | 65 | 261 | 35 | 52 | 58 | 59 | 37 |
Swell 3 Height (m) Direction Period (s) | SW 17 | SSW 18 | SSW 18 | SSW 18 | W 11 | W 10 | W 10 | W 9 | W 9 | ENE 7 | W 11 | W 10 | W 10 | W 10 | W 10 | S 13 | SSW 16 | S 14 | S 12 | SSE 12 | S 12 | SSE 12 | S 12 |
| kJ | 142 | 204 | 207 | 207 | 37 | 32 | 30 | 27 | 27 | 27 | 57 | 54 | 49 | 48 | 49 | 54 | 322 | 100 | 47 | 30 | 47 | 49 | 46 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | ENE 7 | — | — | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 85 | — | — | 117 | 173 | 178 | 239 | 277 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 30 | 38 | 41 | 38 | 38 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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