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Surf Forecasts:
Ko Olina Resort surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 7 pm Wednesday 20 May 2026 HSTForecast update in hr min s Forecast update imminent
Ko Olina Resort surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Ko Olina Resort sea temperature is
25.9° C
(Which is slightly warmer than usual)How big are the waves at Ko Olina Resort today?
The current surf forecast for Ko Olina Resort at 3AM is: 0.5m 13s primary swell from a South-southwest direction (forecast issued at 07:00pm May 20). An open ocean swell of 0.4m 10s is not directed at the surf break, a second open ocean swell of 2.1m 8s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 May) | 1.5ft (0.5m) | 16s |
| Afternoon (21 May) | 1.5ft (0.5m) | 16s |
| Evening (21 May) | 2ft (0.6m) | 15s |
Table - waves today at Ko Olina Resort. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 25°C on Thu afternoon, min 23°C on Wed night). Mainly strong winds. | ||||||||||||||||||||||||
Wed 20 | Thursday 21 | Friday 22 | Sat 23 | |||||||||||||||||||||
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 | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SSW 14 | SSW 14 | SSW 17 | SSW 17 | S 16 | S 16 | S 16 | S 16 | S 16 | SSW 15 | S 15 | S 15 | S 15 | S 15 | S 18 | S 18 | S 18 | S 18 | S 17 | S 16 | S 16 | S 16 | S 16 | S 16 | |
149 | 105 | 101 | 102 | 135 | 134 | 134 | 131 | 126 | 172 | 157 | 157 | 110 | 109 | 107 | 98 | 97 | 97 | 138 | 188 | 183 | 183 | 181 | 236 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | |
High Tide | 7:28PM0.72m | 8:01AM0.20m | 8:22PM0.66m | 10:01AM0.25m | 9:15PM0.60m | 11:31AM0.34m | ||||||||||||||||||
Low Tide | 3:42AM0.13m | 12:10PM0.14m | 4:27AM0.12m | 1:30PM0.22m | 5:03AM0.11m | |||||||||||||||||||
 |  | | | |  | | | | | | | | | | | | | | | | | | | |
 | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | — |
 | 7:05 | — | — | — | — | — | — | — | 7:06 | — | — | — | — | — | — | — | 7:06 | — | — | — | — | — | — | 7:07 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 25 | 24 | 24 | 23 | 23 | 23 | 24 | 25 | 24 | 23 | 23 | 23 | 23 | 23 | 24 | 25 | 24 | 23 | 23 | 23 | 23 | 23 | 24 | 24 |
21 | 20 | 20 | 19 | 18 | 18 | 19 | 20 | 19 | 18 | 18 | 18 | 19 | 19 | 19 | 20 | 19 | 19 | 19 | 19 | 19 | 19 | 18 | 18 | |
Swell 1 Height (m) Direction Period (s) | SSW 14 | SSW 14 | NNW 10 | SSW 13 | SSW 13 | S 16 | S 16 | S 16 | S 16 | SSW 15 | S 15 | S 15 | E 9 | S 15 | S 14 | S 14 | S 14 | S 14 | S 17 | S 16 | S 16 | S 16 | S 16 | S 16 |
 kJ | 149 | 105 | 63 | 102 | 102 | 134 | 134 | 131 | 126 | 172 | 157 | 157 | 607 | 109 | 107 | 98 | 93 | 93 | 138 | 188 | 183 | 183 | 181 | 236 |
Swell 2 Height (m) Direction Period (s) | NNW 11 | NNW 11 | SSW 13 | NNW 10 | S 16 | SSW 13 | SSW 14 | NNW 10 | SE 13 | SE 13 | SE 13 | SE 13 | S 15 | SE 12 | NW 10 | S 18 | S 18 | NNW 11 | NNW 11 | NNW 11 | NNW 10 | NNW 10 | NNW 10 | NNW 16 |
| kJ | 64 | 64 | 101 | 39 | 135 | 69 | 74 | 19 | 44 | 43 | 42 | 40 | 110 | 37 | 27 | 98 | 97 | 46 | 46 | 45 | 43 | 42 | 41 | 142 |
Swell 3 Height (m) Direction Period (s) | S 18 | SSW 18 | SSW 17 | SSW 17 | NNW 10 | NNW 10 | NW 10 | SSW 12 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | SSE 12 | NW 10 | S 18 | NNW 11 | NNW 11 | S 18 | SSW 13 | S 13 | SSW 13 | SSW 13 | NNW 16 | NNW 10 |
| kJ | 56 | 61 | 100 | 92 | 38 | 38 | 24 | 31 | 19 | 18 | 18 | 19 | 59 | 25 | 101 | 46 | 46 | 97 | 60 | 90 | 58 | 58 | 103 | 40 |
Wind waves Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 9 | E 9 | — | ENE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 418 | 412 | 505 | 601 | 737 | 675 | 703 | 765 | 781 | 887 | 809 | 732 | — | 547 | 616 | 629 | 630 | 587 | 536 | 471 | 471 | 460 | 547 | 634 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 21 | 18 | 157 | 159 | 157 | 159 | 179 | 156 | 160 | 285 | 159 | 21 | 21 | 17 | 171 | 174 | 171 | 171 | 21 | 21 | 160 | 171 | 179 | 171 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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FREE! Surf-Forecast.com widget for your website
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