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Surf Forecasts:
Ewa Beach Park surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 1 am Tuesday 19 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
25.7° 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 10AM is: 0.7m 18s primary swell from a South-southwest direction and 1.1m 8s secondary swell from a East direction, 0.8m 14s secondary swell from a South-southwest direction, 1.4m 8s secondary swell from a East-northeast direction (forecast issued at 01:00am May 19). The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 May) | 2.5ft (0.7m) | 18s |
| Afternoon (19 May) | 5ft (1.5m) | 8s |
| Evening (19 May) | 2.5ft (0.8m) | 15s |
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 26°C on Tue afternoon, min 22°C on Thu night). Mainly strong winds. | ||||||||||||||||||||||||
Tuesday 19 | Wednesday 20 | Thursday 21 | ||||||||||||||||||||||
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 14 | SSW 14 | SSW 18 | SSW 18 | ENE 8 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | ENE 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | |
186 | 163 | 273 | 273 | 240 | 246 | 251 | 246 | 257 | 359 | 302 | 447 | 464 | 439 | 522 | 559 | 659 | 720 | 659 | 720 | 903 | 856 | 790 | 744 | |
Wind (km/h) | ||||||||||||||||||||||||
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High Tide | 5:08AM0.24m | 6:32PM0.81m | 6:16AM0.23m | 7:25PM0.76m | 7:50AM0.24m | 8:19PM0.69m | ||||||||||||||||||
Low Tide | 1:21AM0.16m | 10:35AM0.02m | 2:25AM0.16m | 11:23AM0.07m | 3:25AM0.15m | 12:20PM0.15m | ||||||||||||||||||
 |  |  |  | | | | | | | | | | | | | | | | | | | | | |
 | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:04 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:05 | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 24 | 24 | 24 | 25 | 26 | 25 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 24 | 23 | 23 | 23 | 23 | 23 | 24 | 25 | 24 | 23 | 23 |
23 | 24 | 23 | 24 | 25 | 23 | 22 | 22 | 23 | 23 | 21 | 21 | 21 | 20 | 19 | 19 | 19 | 19 | 18 | 19 | 19 | 19 | 18 | 18 | |
Swell 1 Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | E 8 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | E 8 | 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 |
 kJ | 186 | 153 | 153 | 157 | 153 | 246 | 249 | 246 | 249 | 228 | 236 | 163 | 158 | 149 | 105 | 101 | 137 | 102 | 134 | 134 | 131 | 127 | 172 | 169 |
Swell 2 Height (m) Direction Period (s) | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | NW 10 | SSE 9 | SSE 9 | SSE 9 | SSW 15 | NW 10 | NW 10 | SSW 18 | NW 10 | SSW 18 | SSW 17 | SSW 13 | S 16 | SSW 13 | SSW 13 | SSW 13 | SSE 13 | SSE 13 | SE 13 |
| kJ | 161 | 163 | 226 | 229 | 178 | 28 | 35 | 34 | 34 | 167 | 25 | 25 | 62 | 24 | 104 | 100 | 57 | 135 | 101 | 70 | 31 | 34 | 33 | 42 |
Swell 3 Height (m) Direction Period (s) | SSE 10 | SSW 17 | SSW 18 | SSW 18 | SSW 18 | SSE 7 | NW 10 | NW 10 | NW 10 | NW 10 | SW 16 | SSW 18 | NW 10 | S 18 | SSE 9 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 13 | SSE 13 | SSW 12 | NW 10 | NW 9 |
| kJ | 37 | 97 | 273 | 273 | 174 | 9 | 28 | 28 | 27 | 26 | 66 | 63 | 25 | 56 | 16 | 19 | 19 | 19 | 36 | 35 | 34 | 28 | 4 | 3 |
Wind waves Height (m) Direction Period (s) | — | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 |
| kJ | — | 127 | 226 | 246 | 240 | 186 | 251 | 212 | 257 | 359 | 302 | 447 | 464 | 439 | 522 | 559 | 659 | 720 | 659 | 720 | 903 | 856 | 790 | 744 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 14 | 13 | 14 | 14 | 14 | 15 | 15 | 14 | 14 | 14 | 22 | 22 | 28 | 29 | 32 | 32 | 32 | 143 | 144 | 173 | 143 | 172 | 265 | 145 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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