Surf Forecasts:
How big are the waves at Ko Olina Resort today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 2.5ft (0.8m), 17s period with SSW swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 2.5ft (0.7m), 16s period with SW swell.
- Evening surf: Evening surf (21 Aug, local time) - 2.5ft (0.8m), 16s period with SSW swell.
The current surf forecast for Ko Olina Resort at 9AM is: 0.8m 17s primary swell from a South-southwest direction and 0.6m 11s secondary swell from a West direction (forecast issued at 01:00am August 21). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 2.5ft (0.8m) | 17s |
| Afternoon (21 Aug) | 2.5ft (0.7m) | 16s |
| Evening (21 Aug) | 2.5ft (0.8m) | 16s |
Table - waves today at Ko Olina Resort. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 28°C on Sat afternoon, min 25°C on Sun night). Winds increasing (calm on Fri afternoon, fresh winds from the ENE by Sat afternoon). | ||||||||||||||||||||||||
Friday 21 | Saturday 22 | Sunday 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) | SSW 16 | SW 17 | SSW 17 | SSW 17 | SW 16 | SSW 16 | SSW 16 | SW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SW 16 | SW 16 | SW 16 | SSW 15 | SW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 347 | 414 | 368 | 364 | 278 | 326 | 322 | 367 | 322 | 326 | 326 | 326 | 318 | 314 | 248 | 248 | 245 | 209 | 236 | 199 | 193 | 188 | 138 | 136 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-off | cross-off | cross | cross-on | glassy | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off |
High Tide | 12:17PM0.58m | 11:07PM0.20m | 1:05PM0.61m | 00:41AM0.22m | 1:43PM0.64m | |||||||||||||||||||
Low Tide | 3:07AM0.14m | 9:33PM0.20m | 4:33AM0.13m | 9:13PM0.18m | 5:44AM0.11m | 9:21PM0.17m | ||||||||||||||||||
 | |  |  | | | | | | | | | | | | |  | | | | | | | | |
 | — | 6:11 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:58 | — | — | — | — | — | — | — | 6:57 | — | — | — | — | — | — | — | 6:55 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 27 | 28 | 27 | 26 | 26 | 26 | 26 | 26 | 27 | 28 | 27 | 26 | 25 |
Feels °C | 30 | 29 | 29 | 30 | 31 | 31 | 31 | 28 | 27 | 27 | 27 | 25 | 26 | 24 | 25 | 24 | 24 | 25 | 25 | 25 | 25 | 24 | 25 | 23 |
Swell 1 Height (m) Direction Period (s) | SSW 16 | SW 17 | SSW 17 | SSW 17 | SW 16 | SSW 16 | SSW 16 | SW 16 | SSW 16 | SSW 16 | SSW 16 | E 7 | E 7 | E 7 | SW 16 | SW 16 | WNW 12 | E 8 | E 8 | SSW 15 | SSW 15 | SSW 15 | E 8 | SSW 14 |
| kJ | 347 | 414 | 368 | 364 | 278 | 326 | 322 | 367 | 322 | 326 | 326 | 81 | 97 | 97 | 248 | 248 | 161 | 248 | 216 | 199 | 193 | 188 | 46 | 136 |
Swell 2 Height (m) Direction Period (s) | NE 7 | NE 7 | W 11 | W 11 | W 10 | W 10 | W 10 | E 7 | E 7 | E 6 | E 7 | SSW 16 | SSW 16 | SSW 16 | WNW 10 | WNW 10 | SW 16 | WNW 11 | SW 15 | WNW 11 | WNW 11 | WNW 11 | SSW 14 | WNW 12 |
| kJ | 65 | 64 | 84 | 81 | 74 | 73 | 51 | 36 | 32 | 27 | 56 | 326 | 318 | 314 | 83 | 82 | 245 | 143 | 236 | 109 | 87 | 87 | 138 | 88 |
Swell 3 Height (m) Direction Period (s) | W 9 | W 11 | N 6 | E 7 | N 7 | E 8 | E 8 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | WNW 10 | SSE 12 | WNW 12 | S 14 | SSW 15 | WNW 11 | S 13 | SE 10 | E 8 | WNW 11 | SSE 13 |
| kJ | 43 | 57 | 20 | 27 | 24 | 29 | 29 | 71 | 71 | 71 | 75 | 74 | 77 | 86 | 50 | 60 | 106 | 209 | 107 | 128 | 79 | 50 | 87 | 58 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | — | E 7 | E 7 | E 7 | — | — | E 7 | E 7 | E 7 | E 7 | E 7 |
| kJ | — | — | — | — | — | — | — | — | 59 | 64 | 64 | 73 | 91 | — | 146 | 202 | 260 | — | — | 212 | 195 | 126 | 126 | 196 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 14 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 10 | 14 | 10 | 11 | 10 | 10 | 10 | 11 | 14 | 14 | 10 | 10 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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