Surf Forecasts:
How big are the waves at Rockpiles today (21 Jul):
- Morning surf: Morning surf (21 Jul, local time) - 2.5ft (0.8m), 14s period with S swell.
- Afternoon surf: Afternoon surf (21 Jul, local time) - 3ft (0.9m), 14s period with S swell.
- Evening surf: Evening surf (21 Jul, local time) - 3ft (0.9m), 13s period with S swell.
The current surf forecast for Rockpiles at 10AM is: 0.9m 14s primary swell from a South direction and 1.2m 7s secondary swell from a East-northeast direction (forecast issued at 01:00am July 21). The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Jul) | 2.5ft (0.8m) | 14s |
| Afternoon (21 Jul) | 3ft (0.9m) | 14s |
| Evening (21 Jul) | 3ft (0.9m) | 13s |
Table - waves today at Rockpiles. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 4mm), mostly falling on Tue morning. Warm (max 26°C on Tue morning, min 24°C on Wed night). Winds increasing (light winds from the ENE on Tue night, strong winds from the ENE by Thu night). | ||||||||||||||||||||||||
Tuesday 21 | Wednesday 22 | Thursday 23 | ||||||||||||||||||||||
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 |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | S 15 | S 15 | S 15 | S 14 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 24 | SSW 24 | SSW 24 | SSW 23 | SSW 22 | SSW 22 | SSW 22 | SSW 21 | SSW 21 | ENE 7 | SSW 20 | SSW 20 | SSW 19 | SSW 19 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 339 | 339 | 267 | 329 | 320 | 311 | 289 | 281 | 277 | 273 | 289 | 317 | 314 | 426 | 387 | 485 | 363 | 471 | 487 | 412 | 399 | 395 | 391 | 517 |
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 | 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 | 11:13AM0.49m | 8:56PM0.27m | 12:12PM0.54m | 10:06PM0.22m | 1:02PM0.59m | |||||||||||||||||||
Low Tide | 3:23AM0.04m | 6:20PM0.26m | 4:02AM0.05m | 8:25PM0.21m | 4:46AM0.05m | 9:13PM0.17m | ||||||||||||||||||
 | |  |  | | |  | | | | | |  | | | |  | | | | | | | | |
 | — | 6:00 | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:14 | — | — | — | — | — | — | — | 7:14 | — | — | — | — | — | — | — | 7:14 | — | — |
mm | 1 | 1 | 1 | — | — | — | — | — | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 25 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 25 | 24 | 24 | 24 | 25 | 25 | 25 | 24 | 24 |
Feels °C | 26 | 26 | 25 | 26 | 25 | 25 | 25 | 25 | 26 | 26 | 23 | 22 | 22 | 22 | 22 | 23 | 22 | 21 | 21 | 21 | 21 | 21 | 20 | 21 |
Swell 1 Height (m) Direction Period (s) | S 15 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | NE 7 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | E 12 | E 11 | S 13 | E 12 | S 13 | E 12 | SSW 21 | SSW 20 | SSW 20 | SSW 20 | SSW 19 | SSW 19 |
| kJ | 339 | 158 | 136 | 136 | 117 | 69 | 289 | 281 | 277 | 273 | 273 | 215 | 134 | 123 | 212 | 177 | 157 | 180 | 487 | 412 | 399 | 395 | 391 | 517 |
Swell 2 Height (m) Direction Period (s) | SW 16 | S 15 | S 15 | S 14 | S 14 | S 14 | NE 7 | E 13 | E 13 | E 12 | E 12 | E 12 | S 13 | SSW 23 | E 12 | S 13 | SSW 22 | S 13 | S 12 | S 12 | S 11 | E 11 | S 11 | S 13 |
| kJ | 69 | 339 | 267 | 329 | 320 | 311 | 65 | 85 | 121 | 107 | 103 | 138 | 126 | 426 | 169 | 160 | 363 | 155 | 148 | 97 | 127 | 86 | 89 | 85 |
Swell 3 Height (m) Direction Period (s) | E 12 | SW 16 | SW 17 | SW 17 | SW 17 | E 7 | E 7 | SW 15 | SW 15 | SSW 26 | S 24 | SSW 24 | SSW 24 | S 13 | SSW 22 | SSW 22 | SW 18 | SSW 21 | SW 16 | SSW 16 | SSW 16 | S 11 | S 14 | S 11 |
| kJ | 12 | 69 | 70 | 72 | 71 | 46 | 48 | 60 | 60 | 217 | 289 | 317 | 314 | 125 | 387 | 485 | 150 | 471 | 64 | 100 | 100 | 90 | 93 | 56 |
Wind waves Height (m) Direction Period (s) | ENE 7 | — | — | — | — | — | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 |
| kJ | 162 | — | — | — | — | — | 140 | 120 | 136 | 158 | 168 | 163 | 166 | 140 | 136 | 119 | 201 | 218 | 268 | 360 | 316 | 255 | 298 | 385 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1 | 1 | 1 | 1 | 30 | 2 | 1 | 30 | 0 | 12 | 30 | 31 | 31 | 33 | 30 | 30 | 30 | 30 | 31 | 38 | 44 | 44 | 38 | 38 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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