Surf Forecasts:
How big are the waves at Ko Olina Resort today (18 Sep):
- Morning surf: Morning surf (18 Sep, local time) - 3.5ft (1.1m), 17s period with SSW swell.
- Afternoon surf: Afternoon surf (18 Sep, local time) - 3.5ft (1.1m), 17s period with SSW swell.
- Evening surf: Evening surf (18 Sep, local time) - 3.5ft (1.1m), 16s period with SSW swell.
The current surf forecast for Ko Olina Resort at 6PM is: 1.1m 17s primary swell from a South-southwest direction and 0.5m 7s secondary swell from a Southeast direction (forecast issued at 01:00pm September 18). An open ocean swell of 1.8m 7s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | 3.5ft (1.1m) | 17s |
| Afternoon (18 Sep) | 3.5ft (1.1m) | 17s |
| Evening (18 Sep) | 3.5ft (1.1m) | 16s |
Table - waves today at Ko Olina Resort. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 28°C on Fri afternoon, min 25°C on Sun night). Mainly strong winds. | |||||||||||||||||||||
Fri 18 | Saturday 19 | Sunday 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 17 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | S 16 | S 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 |
Wave Graph  | |||||||||||||||||||||
 kJ | 725 | 700 | 675 | 659 | 643 | 627 | 525 | 512 | 506 | 506 | 512 | 512 | 302 | 334 | 326 | 333 | 320 | 375 | 375 | 380 | 468 |
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 | 10:11AM0.54m | 11:24AM0.56m | 11:58PM0.21m | 12:17PM0.58m | |||||||||||||||||
Low Tide | 1:44AM0.17m | 8:14PM0.18m | 3:50AM0.18m | 8:11PM0.16m | |||||||||||||||||
 | | |  | |  | |  | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — |
 | — | — | 6:31 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:30 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 29 | 28 | 28 | 26 | 26 | 26 | 26 | 26 | 27 | 28 | 27 | 26 | 26 | 26 | 26 | 26 | 28 | 28 | 27 | 26 | 25 |
Feels °C | 26 | 24 | 27 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 24 | 25 | 25 | 25 | 24 | 25 | 25 | 24 | 24 | 23 |
Swell 1 Height (m) Direction Period (s) | E 8 | SSW 17 | SSW 17 | E 8 | E 8 | SSW 16 | SSW 16 | SSW 16 | E 8 | SSW 16 | SSW 16 | SSW 16 | E 8 | E 8 | S 16 | SSW 16 | SSW 16 | E 8 | SSW 15 | SSW 15 | SSW 15 |
| kJ | 217 | 700 | 675 | 213 | 217 | 627 | 525 | 512 | 291 | 506 | 512 | 512 | 291 | 260 | 326 | 333 | 320 | 284 | 375 | 380 | 468 |
Swell 2 Height (m) Direction Period (s) | SSW 17 | N 7 | SE 7 | SSW 16 | SSW 16 | N 6 | SSE 7 | SSE 7 | SSW 16 | SSE 7 | SSE 7 | SSE 7 | SSW 15 | SSW 15 | SW 16 | SSW 16 | SSW 15 | SSW 15 | SW 15 | SW 15 | SW 15 |
| kJ | 725 | 22 | 21 | 659 | 643 | 22 | 31 | 18 | 506 | 34 | 33 | 31 | 302 | 287 | 251 | 162 | 144 | 375 | 104 | 104 | 54 |
Swell 3 Height (m) Direction Period (s) | N 7 | SSE 9 | N 7 | SSE 7 | N 7 | S 20 | N 6 | N 6 | N 6 | S 18 | S 18 | NNE 6 | S 16 | S 16 | NNE 6 | SSE 6 | SSE 6 | SW 15 | SSE 8 | SSE 8 | SSE 8 |
| kJ | 32 | 8 | 22 | 29 | 22 | 67 | 21 | 20 | 21 | 162 | 162 | 13 | 264 | 334 | 11 | 14 | 16 | 104 | 12 | 6 | 6 |
Wind waves Height (m) Direction Period (s) | E 8 | E 7 | E 7 | ENE 8 | — | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | — | — | E 8 | E 8 | E 8 | — | E 8 | E 8 | E 7 |
| kJ | 326 | 278 | 330 | 196 | — | 273 | 290 | 247 | 373 | 282 | 314 | 289 | — | — | 266 | 228 | 260 | — | 291 | 295 | 226 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 10 | 277 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 10 | 4 | 0 | 0 | 0 | 0 | 10 | 14 | 11 | 10 | 10 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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