Surf Forecasts:
How big are the waves at Rockpiles today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 2.5ft (0.7m), 17s period with SW swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 2.5ft (0.7m), 16s period with SW swell.
- Evening surf: Evening surf (21 Aug, local time) - 2.5ft (0.7m), 16s period with SW swell.
The current surf forecast for Rockpiles at 1AM is: 0.7m 16s primary swell from a Southwest direction and 1.0m 7s secondary swell from a East-northeast direction (forecast issued at 07:00pm August 20). The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 2.5ft (0.7m) | 17s |
| Afternoon (21 Aug) | 2.5ft (0.7m) | 16s |
| Evening (21 Aug) | 2.5ft (0.7m) | 16s |
Table - waves today at Rockpiles. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 27°C on Fri afternoon, min 25°C on Thu night). Winds increasing (calm on Thu night, strong winds from the ENE by Sat night). | |||||||||||||||||||
Thu 20 | Friday 21 | Saturday 22 | |||||||||||||||||
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) | 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 | 200 | 184 | 177 | 274 | 288 | 295 | 291 | 284 | 261 | 258 | 322 | 322 | 322 | 261 | 261 | 258 | 255 | 316 | 317 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | cross-off | cross | cross-on | cross-on | cross-on | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 10:11PM0.21m | 12:25PM0.59m | 00:08AM0.21m | 1:12PM0.63m | |||||||||||||||
Low Tide | 8:27PM0.20m | 3:53AM0.12m | 8:41PM0.17m | 5:06AM0.12m | 9:00PM0.16m | ||||||||||||||
 |  | | | | |  | | | | | | | | | | | |  | |
 | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | 6:57 | — | — | — | — | — | — | — | 6:57 | — | — | — | — | — | — | — | 6:55 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 26 | 26 | 25 | 25 | 26 | 26 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 |
Feels °C | 31 | 30 | 30 | 29 | 29 | 30 | 29 | 31 | 30 | 29 | 27 | 28 | 28 | 26 | 23 | 24 | 24 | 22 | 22 |
Swell 1 Height (m) Direction Period (s) | ENE 7 | ENE 7 | ENE 7 | ENE 7 | SW 17 | SW 17 | SW 17 | ENE 7 | NE 7 | ENE 7 | SSW 16 | SSW 16 | NE 7 | ENE 7 | ENE 7 | SW 16 | SW 16 | SW 16 | SSW 16 |
| kJ | 131 | 111 | 111 | 108 | 288 | 295 | 291 | 86 | 67 | 81 | 322 | 322 | 63 | 141 | 161 | 258 | 255 | 251 | 215 |
Swell 2 Height (m) Direction Period (s) | SSW 17 | SSW 17 | SSW 16 | SW 16 | ENE 7 | ENE 7 | NNE 7 | SW 17 | SW 16 | SW 16 | W 10 | W 10 | E 6 | SW 16 | SW 16 | W 10 | W 10 | WNW 10 | WNW 10 |
| kJ | 200 | 184 | 177 | 274 | 37 | 51 | 42 | 284 | 261 | 258 | 49 | 50 | 47 | 261 | 261 | 51 | 53 | 35 | 35 |
Swell 3 Height (m) Direction Period (s) | W 11 | W 10 | W 10 | W 9 | NNE 6 | NNE 6 | W 11 | W 10 | W 10 | W 10 | E 8 | S 13 | SSW 16 | S 14 | W 10 | S 12 | S 12 | S 12 | S 12 |
| kJ | 37 | 32 | 30 | 27 | 31 | 33 | 57 | 54 | 49 | 48 | 12 | 54 | 322 | 100 | 50 | 48 | 47 | 46 | 46 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | NE 7 | — | ENE 7 | ENE 7 | ENE 7 | — | NE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 |
| kJ | — | — | — | — | — | — | — | — | 106 | — | 96 | 107 | 158 | — | 91 | 173 | 198 | 316 | 317 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 1 | 13 | 5 | 1 | 1 | 0 | 0 | 1 | 30 | 0 | 1 | 32 | 38 | 39 | 38 | 39 |
Best forecast wave conditions in Oahu | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
Header Global | |||||||||||||||||||
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