Surf Forecasts:
How big are the waves at Ewa Beach Park today (14 Aug):
- Morning surf: Morning surf (14 Aug, local time) - 4ft (1.2m), 14s period with S swell.
- Afternoon surf: Afternoon surf (14 Aug, local time) - 3.5ft (1.1m), 14s period with S swell.
- Evening surf: Evening surf (14 Aug, local time) - 7ft (2.1m), 8s period with E swell.
The current surf forecast for Ewa Beach Park at 8AM is: 1.2m 15s primary swell from a South direction and 1.6m 8s secondary swell from a East direction (forecast issued at 01:00am August 14). An open ocean swell of 0.3m 12s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Aug) | 4ft (1.2m) | 14s |
| Afternoon (14 Aug) | 3.5ft (1.1m) | 14s |
| Evening (14 Aug) | 7ft (2.1m) | 8s |
Table - waves today at Ewa Beach Park. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 41mm), 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 ENE by Sun night). | ||||||||||||||||||||||||
Friday 14 | Saturday 15 | Sunday 16 | ||||||||||||||||||||||
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 |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | S 15 | S 15 | S 15 | S 14 | S 14 | S 14 | E 8 | E 8 | E 8 | E 8 | E 8 | E 9 | E 9 | E 9 | E 9 | E 9 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | E 9 | ESE 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 636 | 636 | 619 | 496 | 496 | 496 | 501 | 628 | 548 | 762 | 829 | 1160 | 1412 | 1689 | 1726 | 2003 | 3693 | 4036 | 2681 | 1918 | 1256 | 575 | 432 | 520 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross | cross-off | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 4:55AM0.46m | 5:02PM0.68m | 5:41AM0.50m | 5:29PM0.60m | 6:30AM0.53m | 5:53PM0.51m | ||||||||||||||||||
Low Tide | 11:15PM0.09m | 10:30AM0.11m | 11:40PM0.09m | 11:19AM0.18m | 00:04AM0.09m | 12:13PM0.25m | ||||||||||||||||||
 | |  | | | | | | | | | | |  |  |  |  | |  | | | | | | |
 | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:02 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:00 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | 3 | 16 | 11 | 3 | 2 | 2 | 1 |
Temp °C | 25 | 25 | 26 | 27 | 28 | 27 | 26 | 25 | 25 | 25 | 26 | 27 | 27 | 26 | 26 | 26 | 26 | 25 | 25 | 26 | 26 | 27 | 26 | 26 |
Feels °C | 22 | 23 | 23 | 24 | 25 | 25 | 24 | 23 | 23 | 23 | 23 | 23 | 22 | 22 | 21 | 21 | 22 | 18 | 23 | 26 | 25 | 26 | 26 | 27 |
Swell 1 Height (m) Direction Period (s) | S 15 | S 15 | S 15 | S 14 | S 14 | S 14 | S 14 | S 14 | E 10 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 14 | S 14 | S 17 | S 16 | S 13 | SSE 8 | E 9 | E 8 |
| kJ | 636 | 636 | 619 | 496 | 496 | 496 | 405 | 399 | 212 | 289 | 284 | 280 | 219 | 219 | 166 | 222 | 179 | 195 | 377 | 188 | 160 | 232 | 432 | 324 |
Swell 2 Height (m) Direction Period (s) | WNW 11 | WNW 11 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | W 11 | S 14 | W 11 | W 11 | W 11 | W 13 | W 13 | S 17 | WNW 13 | S 18 | S 18 | WNW 12 | S 13 | S 16 | S 13 | SSE 7 | SSE 7 |
| kJ | 25 | 25 | 26 | 27 | 27 | 27 | 25 | 21 | 306 | 21 | 21 | 22 | 29 | 30 | 143 | 57 | 99 | 98 | 49 | 119 | 185 | 163 | 188 | 139 |
Swell 3 Height (m) Direction Period (s) | SW 18 | SW 18 | SW 18 | SSE 12 | SSE 12 | SSW 18 | SSW 18 | SSW 18 | W 11 | SSW 17 | SSW 17 | SW 17 | S 16 | S 19 | WNW 13 | S 18 | WNW 13 | WNW 12 | SSW 19 | WNW 12 | WNW 12 | S 16 | S 13 | S 13 |
| kJ | 13 | 13 | 12 | 13 | 13 | 30 | 30 | 30 | 21 | 29 | 29 | 12 | 42 | 64 | 34 | 101 | 33 | 29 | 37 | 48 | 28 | 183 | 166 | 166 |
Wind waves Height (m) Direction Period (s) | E 7 | E 8 | E 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 10 | E 10 | E 10 | E 9 | E 9 | E 9 | SE 7 | ESE 8 |
| kJ | 306 | 283 | 302 | 350 | 326 | 418 | 501 | 628 | 548 | 762 | 829 | 1160 | 1412 | 1689 | 1726 | 2003 | 3693 | 4036 | 2681 | 1918 | 1256 | 575 | 330 | 520 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 23 | 14 | 28 | 23 | 145 | 32 | 23 | 145 | 146 | 184 | 184 | 173 | 184 | 184 | 184 | 184 | 173 | 172 | 164 | 145 | 75 | 33 | 18 | 18 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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