Surf Forecasts:
How big are the waves at Ko Olina Resort today (19 Sep):
- Morning surf: Morning surf (19 Sep, local time) - 3.5ft (1.0m), 16s period with SSW swell.
- Afternoon surf: Afternoon surf (19 Sep, local time) - 3.5ft (1.0m), 16s period with SSW swell.
- Evening surf: Evening surf (19 Sep, local time) - 3ft (0.9m), 16s period with SSW swell.
The current surf forecast for Ko Olina Resort at 9PM is: 0.9m 16s primary swell from a South-southwest direction (forecast issued at 01:00pm September 19). An open ocean swell of 0.4m 6s is not directed at the surf break, a second open ocean swell of 1.8m 8s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Sep) | 3.5ft (1.0m) | 16s |
| Afternoon (19 Sep) | 3.5ft (1.0m) | 16s |
| Evening (19 Sep) | 3ft (0.9m) | 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). Mainly fresh winds. | |||||||||||||||||||||
Sat 19 | Sunday 20 | Monday 21 | |||||||||||||||||||
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 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | S 16 | S 16 | S 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | S 14 | S 14 | S 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 |
Wave Graph  | |||||||||||||||||||||
 kJ | 506 | 506 | 512 | 512 | 302 | 257 | 326 | 318 | 320 | 375 | 375 | 380 | 468 | 449 | 411 | 405 | 394 | 313 | 299 | 295 | 290 |
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 | 11:24AM0.56m | 11:58PM0.21m | 12:17PM0.58m | 00:48AM0.25m | 12:57PM0.60m | ||||||||||||||||
Low Tide | 8:14PM0.18m | 3:50AM0.18m | 8:11PM0.16m | 5:19AM0.17m | 8:19PM0.15m | ||||||||||||||||
 | | |  | | |  |  | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — |
 | — | — | 6:30 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:29 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 28 | 28 | 27 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 26 | 26 | 25 | 25 | 25 | 27 | 28 | 27 | 25 | 26 |
Feels °C | 25 | 24 | 24 | 24 | 25 | 24 | 25 | 24 | 24 | 24 | 24 | 25 | 25 | 23 | 24 | 23 | 25 | 26 | 25 | 24 | 25 |
Swell 1 Height (m) Direction Period (s) | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 14 | S 16 | S 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | S 14 | S 14 | E 8 | E 8 | E 8 | SSW 13 | SSW 13 |
| kJ | 506 | 506 | 512 | 512 | 302 | 170 | 326 | 318 | 320 | 375 | 375 | 380 | 468 | 449 | 411 | 405 | 291 | 266 | 264 | 295 | 290 |
Swell 2 Height (m) Direction Period (s) | N 6 | S 18 | S 18 | NNE 6 | S 16 | S 16 | SW 16 | SSW 16 | SSW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SSE 7 | SW 15 | SW 15 | S 14 | SSW 14 | SSW 13 | W 11 | W 11 |
| kJ | 20 | 162 | 155 | 12 | 264 | 257 | 251 | 162 | 146 | 104 | 104 | 104 | 54 | 5 | 33 | 33 | 394 | 313 | 299 | 10 | 10 |
Swell 3 Height (m) Direction Period (s) | SSE 6 | N 6 | N 6 | S 18 | N 6 | SW 15 | SSE 8 | SSE 6 | SSE 6 | SSE 6 | SE 6 | SSE 6 | SSE 7 | NNW 11 | NNW 10 | NNW 10 | SSW 15 | SW 14 | W 11 | NNW 10 | N 14 |
| kJ | 16 | 20 | 19 | 99 | 11 | 109 | 26 | 23 | 16 | 16 | 10 | 7 | 5 | 11 | 11 | 10 | 21 | 51 | 9 | 9 | 16 |
Wind waves Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | — | — | — | ENE 8 | ENE 8 |
| kJ | 299 | 387 | 408 | 408 | 363 | 289 | 257 | 270 | 266 | 318 | 299 | 287 | 326 | 287 | 299 | 337 | — | — | — | 284 | 284 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 14 | 14 | 11 | 10 | 0 | 2 | 0 | 2 | 10 | 11 | 10 | 4 | 0 | 3 | 0 | 2 | 10 | 0 | 10 | 0 | 0 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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