Surf Forecasts:
How big are the waves at Rockpiles today (16 Aug):
- Morning surf: Morning surf (16 Aug, local time) - 15ft (4.5m), 10s period with E swell.
- Afternoon surf: Afternoon surf (16 Aug, local time) - 8ft (2.5m), 9s period with ENE swell.
- Evening surf: Evening surf (16 Aug, local time) - 6.5ft (2.0m), 8s period with ENE swell.
The current surf forecast for Rockpiles at 7AM is: 4.5m 10s primary swell from a East direction and 0.6m 13s secondary swell from a South direction, 0.4m 17s secondary swell from a South direction (forecast issued at 01:00am August 16). The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Aug) | 15ft (4.5m) | 10s |
| Afternoon (16 Aug) | 8ft (2.5m) | 9s |
| Evening (16 Aug) | 6.5ft (2.0m) | 8s |
Table - waves today at Rockpiles. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 47mm), heaviest during Sun morning. Warm (max 26°C on Sun morning, min 25°C on Sun morning). Winds decreasing (strong winds from the ESE on Sun morning, light winds from the E by Sun night). | ||||||||||||||||||||||||
Sunday 16 | Monday 17 | Tuesday 18 | ||||||||||||||||||||||
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) | E 10 | E 10 | E 10 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | S 14 | S 14 | S 14 | S 14 | ENE 7 | ENE 7 | S 13 | S 13 | S 13 | ENE 7 | ENE 7 | S 13 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 5437 | 4445 | 3618 | 1424 | 1027 | 754 | 536 | 475 | 394 | 335 | 283 | 276 | 268 | 260 | 253 | 242 | 170 | 167 | 165 | 165 | 162 | 137 | 139 | 119 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross | cross-on | cross-on | cross-on | cross | cross | 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 | 6:57AM0.47m | 6:24PM0.45m | 7:54AM0.49m | 6:52PM0.37m | 8:59AM0.51m | 7:16PM0.30m | ||||||||||||||||||
Low Tide | 00:30AM0.05m | 12:43PM0.20m | 00:58AM0.06m | 1:59PM0.25m | 1:27AM0.08m | 3:56PM0.27m | ||||||||||||||||||
 |  |  | | | | | | |  |  | | | | | | | | | | | |  | | |
 | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 6:59 | — | — |
mm | 1 | 14 | 19 | 15 | 4 | 3 | 3 | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 25 | 25 | 25 |
Feels °C | 17 | 19 | 22 | 25 | 25 | 26 | 27 | 28 | 29 | 27 | 25 | 24 | 25 | 24 | 24 | 24 | 24 | 25 | 24 | 23 | 24 | 23 | 25 | 24 |
Swell 1 Height (m) Direction Period (s) | S 14 | S 14 | S 13 | SSE 9 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | S 14 | S 14 | S 14 | S 14 | S 14 | ENE 7 | S 13 | S 13 | ENE 7 | S 13 | S 13 | S 13 | S 13 |
| kJ | 184 | 142 | 82 | 592 | 1027 | 754 | 536 | 475 | 394 | 335 | 283 | 264 | 260 | 260 | 253 | 242 | 163 | 167 | 165 | 132 | 162 | 119 | 119 | 119 |
Swell 2 Height (m) Direction Period (s) | S 18 | S 18 | S 17 | S 16 | SSE 8 | SSE 8 | SSE 8 | SSE 7 | SSE 7 | S 14 | S 14 | SSE 6 | SW 6 | SW 6 | SW 6 | SW 6 | S 13 | E 9 | SW 16 | S 13 | SW 18 | SW 18 | SW 18 | SW 18 |
| kJ | 56 | 55 | 145 | 190 | 330 | 229 | 138 | 104 | 68 | 334 | 264 | 21 | 18 | 18 | 13 | 9 | 170 | 15 | 69 | 165 | 78 | 80 | 80 | 80 |
Swell 3 Height (m) Direction Period (s) | W 13 | W 12 | W 12 | S 13 | S 13 | S 13 | S 13 | S 13 | S 14 | SSE 7 | SSE 6 | SW 6 | SSE 6 | SSE 6 | SSE 5 | W 11 | SW 6 | SSW 16 | E 9 | SW 17 | WSW 7 | WSW 7 | WSW 7 | SSE 7 |
| kJ | 30 | 27 | 26 | 81 | 157 | 166 | 166 | 166 | 250 | 45 | 31 | 18 | 13 | 10 | 5 | 10 | 5 | 26 | 15 | 74 | 9 | 10 | 9 | 10 |
Wind waves Height (m) Direction Period (s) | E 10 | E 10 | E 10 | ENE 9 | SSE 8 | SSE 8 | SSE 8 | — | — | — | — | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | — | ENE 7 | ENE 7 | — | ENE 7 | ENE 7 | ENE 7 | ENE 7 |
| kJ | 5437 | 4445 | 3618 | 1424 | 659 | 356 | 264 | — | — | — | — | 276 | 268 | 231 | 193 | 193 | — | 163 | 132 | — | 143 | 137 | 139 | 114 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 209 | 209 | 157 | 156 | 59 | 45 | 41 | 1 | 0 | 1 | 1 | 30 | 30 | 30 | 1 | 1 | 2 | 1 | 30 | 30 | 30 | 1 | 1 | 2 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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