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Surf Forecasts:
Ewa Beach Park surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 1 am Wednesday 20 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 6AM is: 1.4m 8s primary swell from a East direction and 0.7m 15s secondary swell from a South-southwest direction (forecast issued at 01:00am May 20). An open ocean swell of 0.4m 10s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 May) | 2.5ft (0.8m) | 14s |
| Afternoon (20 May) | 6ft (1.8m) | 8s |
| Evening (20 May) | 6ft (1.9m) | 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 Wed afternoon, min 23°C on Wed night). Mainly strong winds. | ||||||||||||||||||||||||
Wednesday 20 | Thursday 21 | Friday 22 | ||||||||||||||||||||||
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 | 5 PM | 8 PM | 11 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
SSW 15 | E 8 | SSW 14 | E 8 | E 8 | ENE 8 | ENE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 9 | E 9 | E 9 | E 9 | E 9 | E 8 | ENE 8 | ENE 8 | ENE 8 | |
280 | 257 | 264 | 334 | 383 | 448 | 522 | 566 | 720 | 659 | 659 | 836 | 903 | 935 | 819 | 780 | 732 | 668 | 668 | 663 | 647 | 574 | 575 | 521 | |
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 | 6:16AM0.23m | 7:25PM0.76m | 7:50AM0.24m | 8:19PM0.69m | 9:43AM0.28m | 9:14PM0.63m | ||||||||||||||||||
Low Tide | 2:25AM0.16m | 11:23AM0.07m | 3:25AM0.15m | 12:20PM0.15m | 4:15AM0.14m | 1:39PM0.23m | ||||||||||||||||||
 | |  | | | | | | | | | | | | | | | | | | | | | | |
 | — | 5:52 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:06 | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 24 | 24 | 24 | 24 | 25 | 24 | 23 | 23 | 23 | 23 | 23 | 24 | 25 | 24 | 23 | 23 | 23 | 23 | 23 | 24 | 25 | 24 | 23 | 23 |
22 | 22 | 21 | 20 | 21 | 20 | 19 | 19 | 19 | 19 | 18 | 19 | 19 | 19 | 18 | 19 | 19 | 19 | 18 | 19 | 20 | 19 | 18 | 20 | |
Swell 1 Height (m) Direction Period (s) | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | S 16 | SSW 13 | S 16 | S 16 | S 16 | S 16 | SSW 15 | SSW 15 | S 15 | S 15 | S 15 | S 14 | S 14 | S 14 | S 14 | S 17 |
 kJ | 249 | 167 | 236 | 163 | 158 | 149 | 105 | 101 | 137 | 102 | 134 | 134 | 131 | 127 | 172 | 169 | 157 | 157 | 155 | 107 | 101 | 94 | 93 | 140 |
Swell 2 Height (m) Direction Period (s) | NW 10 | NW 10 | NW 10 | NW 10 | SSW 18 | SSE 9 | SSW 18 | SSW 17 | SSW 13 | S 16 | SSW 13 | SSW 13 | SSW 13 | SSE 13 | SSE 13 | SE 13 | SE 13 | SE 12 | SE 12 | S 18 | S 18 | S 18 | S 18 | SSW 13 |
| kJ | 27 | 26 | 25 | 25 | 62 | 16 | 104 | 100 | 57 | 135 | 69 | 60 | 31 | 34 | 33 | 42 | 41 | 39 | 37 | 101 | 98 | 97 | 97 | 60 |
Swell 3 Height (m) Direction Period (s) | SSE 9 | SW 16 | SSE 9 | SSE 9 | NW 10 | NW 10 | SSE 9 | NW 9 | SSE 14 | SSE 14 | SSE 14 | SSE 13 | SSE 13 | SSW 12 | NW 10 | NW 9 | SSW 12 | SSW 12 | S 19 | SE 12 | SE 12 | SE 12 | SSE 12 | SSE 12 |
| kJ | 17 | 66 | 17 | 16 | 25 | 24 | 16 | 14 | 19 | 38 | 36 | 35 | 34 | 28 | 4 | 3 | 14 | 14 | 63 | 37 | 37 | 37 | 29 | 28 |
Wind waves Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | ENE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 9 | E 9 | E 9 | E 9 | E 9 | E 8 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 280 | 257 | 264 | 334 | 383 | 448 | 522 | 566 | 720 | 659 | 659 | 836 | 903 | 935 | 819 | 780 | 732 | 668 | 668 | 663 | 647 | 574 | 575 | 521 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 17 | 14 | 22 | 25 | 29 | 30 | 32 | 143 | 143 | 144 | 144 | 146 | 143 | 145 | 273 | 145 | 29 | 28 | 28 | 173 | 145 | 187 | 172 | 32 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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