
Surf Forecasts:
How big are the waves at Power Plant today (18 Jul):
- Morning surf: Morning surf (18 Jul, local time) - 2.5ft (0.7m), 14s period with SSW swell.
- Afternoon surf: Afternoon surf (18 Jul, local time) - 2.5ft (0.7m), 14s period with SSW swell.
- Evening surf: Evening surf (18 Jul, local time) - 1.5ft (0.5m), 14s period with S swell.
The current surf forecast for Power Plant at 8PM is: 0.5m 14s primary swell from a South direction and 0.6m 9s secondary swell from a South-southeast direction, 0.5m 12s secondary swell from a South direction (forecast issued at 01:00pm July 18). An open ocean swell of 1.4m 8s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Jul) | 2.5ft (0.7m) | 14s |
| Afternoon (18 Jul) | 2.5ft (0.7m) | 14s |
| Evening (18 Jul) | 1.5ft (0.5m) | 14s |
Table - waves today at Power Plant. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 28°C on Sat afternoon, min 24°C on Sat night). Mainly fresh winds. | |||||||||||||||||||||
Sat 18 | Sunday 19 | Monday 20 | |||||||||||||||||||
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) | SSW 13 | SSW 14 | SSW 14 | S 14 | SSW 14 | SE 9 | SSW 12 | S 12 | SSW 12 | SSW 13 | S 13 | S 18 | SSW 11 | SSW 11 | S 17 | S 16 | S 16 | S 16 | S 16 | S 16 | S 15 |
Wave Graph | |||||||||||||||||||||
187 | 210 | 210 | 107 | 207 | 39 | 115 | 73 | 121 | 93 | 126 | 163 | 73 | 71 | 151 | 198 | 417 | 412 | 186 | 179 | 165 | |
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 | off | off | off | off | off | off | off | off | off |
High Tide | 6:44PM0.56m | 8:28AM0.42m | 7:08PM0.48m | 9:44AM0.47m | 7:23PM0.40m | ||||||||||||||||
Low Tide | 12:14PM0.22m | 1:50AM0.10m | 1:25PM0.30m | 2:19AM0.10m | 3:17PM0.35m | ||||||||||||||||
— | — | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | |
— | — | 7:16 | — | — | — | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:15 | — | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 28 | 28 | 27 | 25 | 24 | 24 | 24 | 24 | 27 | 27 | 27 | 25 | 25 | 24 | 24 | 24 | 27 | 27 | 26 | 25 | 25 |
Feels °C | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 23 | 26 | 25 | 25 | 24 | 26 | 24 | 25 | 24 | 28 | 26 | 24 | 25 | 26 |
Swell 1 Height (m) Direction Period (s) | SSW 13 | SSW 14 | E 7 | SSE 9 | SSW 14 | E 8 | E 8 | E 8 | E 8 | SSW 13 | S 13 | SSW 12 | E 8 | E 8 | E 8 | E 8 | S 16 | S 16 | S 16 | S 13 | S 13 |
187 | 210 | 235 | 49 | 207 | 187 | 185 | 185 | 156 | 93 | 126 | 82 | 129 | 125 | 124 | 99 | 417 | 412 | 186 | 121 | 121 | |
Swell 2 Height (m) Direction Period (s) | W 13 | SE 8 | SSW 14 | S 12 | SSE 8 | SE 9 | SSW 12 | S 12 | SSW 12 | NNE 7 | NNE 6 | S 18 | N 6 | N 6 | S 17 | S 16 | NNE 6 | SW 18 | S 13 | S 16 | S 15 |
87 | 34 | 210 | 75 | 48 | 39 | 115 | 73 | 121 | 18 | 13 | 163 | 16 | 15 | 151 | 198 | 11 | 82 | 119 | 179 | 165 | |
Swell 3 Height (m) Direction Period (s) | SE 8 | W 13 | SE 8 | S 14 | NNE 8 | N 7 | NNE 7 | N 7 | NNE 7 | SSE 6 | S 18 | N 6 | SSW 11 | SSW 11 | N 7 | SSW 12 | SW 18 | SE 8 | SW 18 | SW 17 | SSW 16 |
30 | 87 | 35 | 107 | 21 | 25 | 30 | 27 | 18 | 15 | 107 | 17 | 73 | 71 | 28 | 77 | 83 | 16 | 80 | 77 | 107 | |
Wind waves Height (m) Direction Period (s) | E 7 | E 7 | — | E 8 | E 8 | E 8 | ENE 7 | — | — | E 8 | E 8 | E 8 | E 8 | ENE 6 | E 8 | E 8 | E 8 | ENE 8 | ENE 5 | ENE 7 | ENE 7 |
154 | 217 | — | 223 | 203 | 251 | 238 | — | — | 156 | 157 | 133 | 182 | 123 | 149 | 127 | 99 | 151 | 103 | 153 | 153 | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 8 | 12 | 12 | 0 | 0 | 3 | 1 | 2 | 1 | 1 | 2 | 0 | 2 | 2 | 0 | 0 | 0 | 0 | 8 | 0 | 0 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)











