Surf Forecasts:
How big are the waves at Ko Olina Resort today (20 Jul):
- Morning surf: Morning surf (20 Jul, local time) - 2ft (0.6m), 16s period with S swell.
- Afternoon surf: Afternoon surf (20 Jul, local time) - 2.5ft (0.8m), 16s period with S swell.
- Evening surf: Evening surf (20 Jul, local time) - 2ft (0.6m), 16s period with S swell.
The current surf forecast for Ko Olina Resort at 7PM is: 0.6m 16s primary swell from a South direction and 0.6m 13s secondary swell from a South direction (forecast issued at 01:00pm July 20). An open ocean swell of 0.6m 8s is not directed at the surf break, a second open ocean swell of 1.0m 5s 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 (20 Jul) | 2ft (0.6m) | 16s |
| Afternoon (20 Jul) | 2.5ft (0.8m) | 16s |
| Evening (20 Jul) | 2ft (0.6m) | 16s |
Table - waves today at Ko Olina Resort. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 28°C on Mon afternoon, min 24°C on Mon night). Winds increasing (light winds from the ENE on Mon night, fresh winds from the E by Thu morning). | |||||||||||||||||||||
Mon 20 | Tuesday 21 | Wednesday 22 | |||||||||||||||||||
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 16 | S 16 | S 16 | S 16 | S 13 | S 13 | S 15 | S 15 | S 14 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | SSW 24 | SSW 24 | SSW 24 | SSW 23 | SSW 22 | SSW 22 |
Wave Graph  | |||||||||||||||||||||
 kJ | 417 | 412 | 186 | 179 | 165 | 163 | 339 | 339 | 329 | 325 | 311 | 289 | 285 | 347 | 342 | 441 | 437 | 433 | 422 | 508 | 485 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | off | off | off | off | cross-off | off | off | off | off | off | off | off | off | off | off | off | off |
High Tide | 9:44AM0.47m | 7:23PM0.40m | 10:58AM0.52m | 12:00PM0.57m | |||||||||||||||||
Low Tide | 3:17PM0.35m | 2:50AM0.11m | 3:27AM0.11m | ||||||||||||||||||
 | | |  | | |  |  | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — |
 | — | — | 7:15 | — | — | — | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:15 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 28 | 27 | 25 | 25 | 25 | 24 | 25 | 27 | 28 | 27 | 26 | 25 | 25 | 25 | 24 | 25 | 27 | 27 | 25 | 25 |
Feels °C | 26 | 26 | 24 | 24 | 25 | 26 | 25 | 26 | 28 | 28 | 27 | 26 | 25 | 25 | 24 | 22 | 23 | 26 | 25 | 24 | 24 |
Swell 1 Height (m) Direction Period (s) | S 16 | S 16 | S 16 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | S 14 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | E 7 | E 7 | ENE 7 | ENE 11 | S 13 |
| kJ | 417 | 412 | 186 | 44 | 125 | 111 | 108 | 79 | 329 | 325 | 311 | 289 | 285 | 347 | 342 | 264 | 107 | 107 | 79 | 273 | 209 |
Swell 2 Height (m) Direction Period (s) | E 8 | N 7 | S 13 | S 13 | S 13 | S 13 | S 15 | S 15 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | SSW 15 | E 13 | E 13 | SSW 24 | S 13 | S 13 | S 13 | S 13 | SSW 22 |
| kJ | 78 | 24 | 119 | 121 | 163 | 163 | 339 | 339 | 79 | 68 | 54 | 68 | 92 | 55 | 82 | 441 | 277 | 273 | 268 | 212 | 485 |
Swell 3 Height (m) Direction Period (s) | N 7 | SW 18 | SW 18 | S 16 | S 15 | S 15 | SSW 16 | SW 17 | SW 17 | SW 17 | SSW 16 | SSW 16 | SSW 26 | SSW 26 | SSW 25 | E 12 | SSW 24 | SSW 24 | SSW 23 | SSW 22 | SSW 18 |
| kJ | 24 | 82 | 80 | 179 | 165 | 161 | 105 | 71 | 73 | 70 | 102 | 95 | 224 | 224 | 213 | 72 | 437 | 433 | 422 | 508 | 204 |
Wind waves Height (m) Direction Period (s) | ENE 8 | E 8 | ENE 8 | ENE 5 | E 7 | ENE 6 | — | — | — | — | — | — | ENE 7 | ENE 7 | E 7 | E 7 | — | E 7 | — | — | ENE 12 |
| kJ | 99 | 76 | 161 | 46 | 131 | 71 | — | — | — | — | — | — | 68 | 68 | 97 | 114 | — | 92 | — | — | 343 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 2 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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