Surf Forecasts:
Ko Olina Resort surf forecast from 15 Aug 2026:
- Best quality surf: Monday 17 Aug, 2AM (local time) - 3ft (0.9m), 14s period, S swell with offshore winds.
- Most powerful swell: Sunday 16 Aug, 8AM (local time) - 3ft (0.9m), 17s period, S swell with 475 kJ wave energy.
- Next surfable swell (1★+): Monday 17 Aug, 2AM (local time) - 3ft (0.9m), 14s period with S swell.
Best Forecast Surf Conditions for Ko Olina Resort this week:
The surf forecast for Ko Olina Resort over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Aug 17) at 2AM. The primary swell is predicted to be 0.9m and 14s period with a secondary swell of 1.0m and 6s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Ko Olina Resort in the next 16 days are 0.9m 17s and forecast to arrive on Sunday (Aug 16) at 8AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 6.0m 11s period and expected on Sunday (Aug 16) at 5AM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Mon 17th Aug) | 3ft (0.9m) 14s |
| Best Surf | 2AM (Mon 17th Aug) | 3ft (0.9m) 14s |
| Most Powerful | 8AM (Sun 16th Aug) | 3ft (0.9m) 17s |
Table - best surf conditions forecast for Ko Olina Resort over the next 16 days.
Short Range ForecastHeavy rain (total 24mm), heaviest during Sun morning. Warm (max 28°C on Fri afternoon, min 25°C on Fri night). Winds decreasing (gales from the ENE on Sat night, light winds from the E by Sun night). | Days 5-7 Weather SummaryMostly dry. Warm (max 27°C on Mon afternoon, min 24°C on Wed night). Wind will be generally light. | |||||||||||||||||||
Fri 14 | Saturday 15 | Sunday 16 | Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | ||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map | ||||||||||||||||||||
Wave Height (m) Direction Period (s) | S 14 | S 14 | S 13 | S 13 | S 14 | S 16 | SE 7 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 12 | SW 16 | SW 16 | SSW 16 | SW 18 | SW 17 | SSW 16 |
Wave Graph | ||||||||||||||||||||
496 | 306 | 280 | 222 | 239 | 192 | 352 | 315 | 338 | 333 | 222 | 168 | 119 | 110 | 129 | 129 | 177 | 316 | 302 | 347 | |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | off | cross-off | cross-off | off | off | off | off | off | off | off | off | off | off | off | off | cross-off |
High Tide | 5:03PM0.63m | 5:45AM0.46m | 5:29PM0.55m | 6:36AM0.49m | 5:51PM0.47m | 7:32AM0.51m | 6:05PM0.40m | 8:37AM0.52m | 5:51PM0.34m | 9:54AM0.53m | 11:13AM0.55m | |||||||||
Low Tide | 11:44PM0.09m | 11:19AM0.18m | 00:07AM0.09m | 12:16PM0.25m | 00:30AM0.09m | 1:28PM0.30m | 00:54AM0.10m | 3:34PM0.33m | 1:22AM0.12m | 2:02AM0.13m | 3:07AM0.14m | |||||||||
— | — | 6:09 | — | — | 6:11 | — | — | 6:11 | — | — | 6:11 | — | — | 6:11 | — | — | 6:11 | — | — | |
7:02 | — | — | 7:01 | — | — | 7:01 | — | — | 7:00 | — | — | 7:00 | — | — | 6:59 | — | — | 6:59 | — | |
mm | — | — | — | — | 5 | 14 | 5 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 28 | 26 | 27 | 27 | 26 | 26 | 27 | 27 | 26 | 27 | 26 | 26 | 27 | 26 | 26 | 27 | 26 | 26 | 27 | 26 |
Feels °C | 25 | 25 | 24 | 23 | 22 | 21 | 26 | 28 | 27 | 26 | 26 | 25 | 25 | 26 | 26 | 27 | 27 | 27 | 28 | 29 |
Swell 1 Height (m) Direction Period (s) | S 14 | S 14 | S 13 | S 13 | S 14 | S 13 | E 9 | ENE 8 | ENE 8 | ENE 8 | E 7 | ENE 7 | ENE 8 | S 12 | E 8 | E 8 | E 8 | SW 18 | SW 17 | SSW 16 |
496 | 306 | 280 | 222 | 239 | 161 | 351 | 202 | 127 | 120 | 109 | 71 | 75 | 110 | 111 | 86 | 63 | 316 | 302 | 347 | |
Swell 2 Height (m) Direction Period (s) | N 5 | E 10 | WNW 11 | WNW 13 | S 18 | S 16 | S 13 | SSE 6 | S 14 | S 14 | S 13 | S 13 | S 13 | SSE 10 | SW 16 | SW 16 | SSW 16 | E 8 | E 8 | E 8 |
8 | 164 | 24 | 34 | 99 | 192 | 215 | 88 | 338 | 333 | 222 | 168 | 119 | 36 | 129 | 129 | 177 | 60 | 40 | 63 | |
Swell 3 Height (m) Direction Period (s) | W 12 | W 11 | NNW 8 | NNW 8 | WNW 13 | WNW 12 | NNE 7 | S 14 | S 6 | SSE 5 | WNW 11 | SE 8 | SSE 8 | WNW 12 | S 12 | SSE 9 | NNE 6 | NNE 7 | NNE 6 | N 7 |
24 | 21 | 12 | 13 | 55 | 49 | 43 | 315 | 39 | 23 | 24 | 35 | 27 | 48 | 69 | 32 | 24 | 26 | 13 | 26 | |
Wind waves Height (m) Direction Period (s) | E 8 | ENE 8 | ENE 9 | E 10 | ENE 10 | ESE 10 | SE 7 | — | — | — | ENE 7 | — | — | E 8 | — | — | — | — | — | — |
326 | 473 | 860 | 1690 | 3079 | 1917 | 352 | — | — | — | 99 | — | — | 84 | — | — | — | — | — | — | |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 157 | 171 | 159 | 171 | 171 | 156 | 29 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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Information about the Ko Olina Resort Surf forecast
The above surf forecast table for Ko Olina Resort provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Ko Olina Resort can be found by selecting the local surf guide option on the grey menu. Our Ko Olina Resort surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Ko Olina Resort) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Ko Olina Resort may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Ko Olina Resort is 4 km (2 miles) from Makakilo City. If you plan a vacation in Oahu, look for hotels and other accommodation in Makakilo City. Makakilo City has rooms for a wide range of budgets as well as car hire and transport links.











