Surf Forecasts:
How big are the waves at Power Plant today (18 Aug):
- Morning surf: Morning surf (18 Aug, local time) - 2.5ft (0.7m), 13s period with S swell.
- Afternoon surf: Afternoon surf (18 Aug, local time) - 2.5ft (0.8m), 13s period with S swell.
- Evening surf: Evening surf (18 Aug, local time) - 2ft (0.6m), 13s period with S swell.
The current surf forecast for Power Plant at 10AM is: 0.7m 13s primary swell from a South direction (forecast issued at 01:00am August 18). An open ocean swell of 0.8m 7s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 2.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Aug) | 2.5ft (0.7m) | 13s |
| Afternoon (18 Aug) | 2.5ft (0.8m) | 13s |
| Evening (18 Aug) | 2ft (0.6m) | 13s |
Table - waves today at Power Plant. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 27°C on Tue afternoon, min 24°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 18 | Wednesday 19 | Thursday 20 | ||||||||||||||||||||||
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 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | SW 16 | SSW 16 | SW 16 | SSW 16 | SW 16 | SSW 16 | SSW 17 | SSW 18 | SW 18 | SW 18 | SW 17 | SW 16 | SW 16 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 225 | 167 | 165 | 165 | 215 | 123 | 119 | 121 | 110 | 71 | 69 | 129 | 177 | 129 | 103 | 127 | 177 | 200 | 207 | 316 | 316 | 302 | 278 | 271 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | off | off | off | off | off | off | off | off | glassy | off | off | off | off | off | off | glassy | glassy | glassy | glassy | glassy |
High Tide | 8:37AM0.52m | 5:51PM0.34m | 9:54AM0.53m | 11:13AM0.55m | ||||||||||||||||||||
Low Tide | 00:54AM0.10m | 3:34PM0.33m | 1:22AM0.12m | 2:02AM0.13m | ||||||||||||||||||||
 | |  | |  | |  | | | | | | | | | | | | | | | | | | |
 | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 6:59 | — | — | — | — | — | — | — | 6:59 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 24 | 25 | 26 | 27 | 27 | 25 | 24 | 24 | 24 | 24 | 26 | 27 | 26 | 25 | 25 | 25 | 24 | 24 | 26 | 27 | 27 | 26 | 26 |
Feels °C | 25 | 24 | 25 | 26 | 27 | 27 | 25 | 25 | 25 | 25 | 26 | 28 | 30 | 28 | 27 | 27 | 27 | 26 | 26 | 30 | 31 | 30 | 30 | 31 |
Swell 1 Height (m) Direction Period (s) | S 13 | E 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | E 8 | E 8 | ENE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | E 8 | E 8 | SW 18 | SW 18 | SW 17 | SW 16 | SW 16 |
| kJ | 225 | 68 | 71 | 69 | 86 | 89 | 79 | 84 | 69 | 96 | 69 | 69 | 66 | 47 | 47 | 47 | 68 | 61 | 60 | 316 | 316 | 302 | 278 | 271 |
Swell 2 Height (m) Direction Period (s) | SSE 10 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | SW 16 | SSW 16 | SW 16 | S 12 | SW 16 | SSW 16 | SSW 17 | SSW 18 | E 8 | E 8 | E 8 | E 8 | E 8 |
| kJ | 36 | 167 | 165 | 165 | 215 | 119 | 119 | 121 | 110 | 71 | 69 | 129 | 177 | 129 | 71 | 127 | 177 | 200 | 207 | 43 | 42 | 41 | 41 | 41 |
Swell 3 Height (m) Direction Period (s) | SW 6 | SE 9 | SE 8 | SSW 17 | SSW 18 | SSW 18 | SSE 8 | SSE 8 | WNW 12 | WNW 12 | SSE 10 | S 12 | S 12 | S 12 | SSW 16 | S 12 | S 12 | S 12 | NNE 6 | NNE 6 | S 11 | NNE 6 | NNE 7 | NNE 7 |
| kJ | 9 | 36 | 35 | 116 | 120 | 123 | 27 | 25 | 48 | 48 | 36 | 69 | 69 | 71 | 103 | 45 | 45 | 44 | 13 | 14 | 39 | 13 | 17 | 15 |
Wind waves Height (m) Direction Period (s) | E 7 | ENE 7 | — | — | — | — | — | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | — | — | ENE 8 | — | ENE 7 | — | — | — | — | — | — |
| kJ | 112 | 111 | — | — | — | — | — | 76 | 76 | 54 | 54 | 54 | 53 | — | — | 73 | — | 61 | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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