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Surf Forecasts:
Ewa Beach Park surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 7 pm Thursday 21 May 2026 HSTForecast update in hr min s Forecast update imminent
Ewa Beach Park surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Ewa Beach Park sea temperature is
25.8° C
(Which is slightly warmer than usual)How big are the waves at Ewa Beach Park today?
The current surf forecast for Ewa Beach Park at 12AM is: 2.3m 9s primary swell from a East direction and 0.6m 15s secondary swell from a South direction, 0.4m 13s secondary swell from a Southeast direction (forecast issued at 07:00pm May 21). The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 May) | 6.5ft (2.0m) | 9s |
| Afternoon (22 May) | 7ft (2.2m) | 8s |
| Evening (22 May) | 7.5ft (2.3m) | 8s |
Table - waves today at Ewa Beach Park. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 25°C on Fri afternoon, min 22°C on Fri night). Mainly strong winds. | ||||||||||||||||||||||||
Thu 21 | Friday 22 | Saturday 23 | Sun 24 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
E 8 | E 8 | E 9 | E 9 | E 9 | E 9 | E 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | |
866 | 839 | 859 | 780 | 653 | 607 | 603 | 660 | 588 | 686 | 629 | 614 | 562 | 574 | 614 | 686 | 588 | 534 | 471 | 424 | 460 | 448 | 520 | 509 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | |
High Tide | 8:19PM0.69m | 9:43AM0.28m | 9:14PM0.63m | 11:17AM0.36m | 10:06PM0.56m | 12:18PM0.45m | ||||||||||||||||||
Low Tide | 4:15AM0.14m | 1:39PM0.23m | 4:55AM0.12m | 3:28PM0.29m | 5:28AM0.11m | |||||||||||||||||||
 |  | | | | | | | | | | | | |  | | | | | |  | | | | |
 | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | — |
 | 7:05 | — | — | — | — | — | — | — | 7:06 | — | — | — | — | — | — | — | 7:06 | — | — | — | — | — | — | 7:06 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 24 | 23 | 23 | 23 | 23 | 23 | 24 | 25 | 24 | 23 | 23 | 23 | 22 | 23 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 24 | 25 |
19 | 18 | 19 | 19 | 18 | 19 | 19 | 20 | 19 | 18 | 19 | 19 | 18 | 18 | 18 | 19 | 19 | 19 | 19 | 20 | 19 | 20 | 19 | 20 | |
Swell 1 Height (m) Direction Period (s) | S 16 | SSW 15 | S 15 | S 15 | S 15 | S 15 | S 14 | S 14 | S 14 | S 14 | S 17 | S 16 | S 16 | S 16 | S 16 | S 16 | S 15 | S 15 | S 15 | S 15 | S 14 | S 14 | S 14 | S 13 |
 kJ | 127 | 172 | 157 | 157 | 157 | 155 | 107 | 100 | 94 | 93 | 140 | 188 | 185 | 127 | 181 | 239 | 215 | 212 | 155 | 155 | 146 | 132 | 132 | 92 |
Swell 2 Height (m) Direction Period (s) | SE 13 | SE 13 | SE 13 | SE 13 | SE 12 | SE 12 | S 18 | S 18 | S 18 | S 18 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | NNW 16 | NW 15 | NW 14 | NW 14 | NW 13 | NW 13 | NW 13 | NW 12 | NW 12 |
| kJ | 44 | 43 | 42 | 41 | 39 | 38 | 101 | 98 | 97 | 97 | 60 | 60 | 58 | 58 | 34 | 49 | 55 | 54 | 50 | 45 | 44 | 82 | 74 | 72 |
Swell 3 Height (m) Direction Period (s) | SSW 12 | NW 10 | SSW 12 | SSW 12 | SSW 12 | S 19 | SE 12 | SE 12 | SE 12 | SSE 12 | NW 11 | NW 11 | NW 11 | NW 10 | NW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | SSE 11 | NNW 10 | SSE 11 | S 16 | S 16 |
| kJ | 28 | 4 | 14 | 14 | 14 | 63 | 37 | 37 | 37 | 29 | 18 | 18 | 18 | 17 | 16 | 10 | 10 | 10 | 10 | 12 | 9 | 12 | 46 | 46 |
Wind waves Height (m) Direction Period (s) | E 8 | E 8 | E 9 | E 9 | E 9 | E 9 | E 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 866 | 839 | 859 | 780 | 653 | 607 | 603 | 660 | 588 | 686 | 629 | 614 | 562 | 574 | 614 | 686 | 588 | 534 | 471 | 424 | 460 | 448 | 520 | 509 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 202 | 273 | 265 | 32 | 28 | 29 | 173 | 184 | 184 | 146 | 146 | 143 | 32 | 184 | 193 | 184 | 144 | 32 | 143 | 32 | 25 | 22 | 143 | 145 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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