Surf Forecasts:
How big are the waves at Ewa Beach Park today (11 Aug):
- Morning surf: Morning surf (11 Aug, local time) - 2.5ft (0.7m), 15s period with SSW swell.
- Afternoon surf: Afternoon surf (11 Aug, local time) - 2.5ft (0.8m), 14s period with SSW swell.
- Evening surf: Evening surf (11 Aug, local time) - 3ft (0.9m), 14s period with SSW swell.
The current surf forecast for Ewa Beach Park at 12AM is: 0.7m 15s primary swell from a South-southwest direction and 0.4m 9s secondary swell from a South-southeast direction, 1.0m 8s secondary swell from a East direction (forecast issued at 07:00pm August 10). The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Aug) | 2.5ft (0.7m) | 15s |
| Afternoon (11 Aug) | 2.5ft (0.8m) | 14s |
| Evening (11 Aug) | 3ft (0.9m) | 14s |
Table - waves today at Ewa Beach Park. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 28°C on Tue afternoon, min 25°C on Tue night). Mainly fresh winds. | |||||||||||||||||||
Mon 10 | Tuesday 11 | Wednesday 12 | |||||||||||||||||
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) | SSW 15 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | S 20 | S 19 | S 19 | S 18 | S 18 | S 18 | S 17 | S 16 |
Wave Graph  | |||||||||||||||||||
 kJ | 234 | 253 | 250 | 237 | 231 | 225 | 218 | 276 | 336 | 317 | 308 | 373 | 480 | 441 | 627 | 749 | 741 | 724 | 643 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-off | cross |
High Tide | 2:43PM0.83m | 2:33AM0.31m | 3:23PM0.83m | 3:22AM0.36m | 3:59PM0.80m | ||||||||||||||
Low Tide | 9:56PM0.13m | 8:02AM0.01m | 10:23PM0.11m | 8:53AM0.02m | 10:50PM0.10m | ||||||||||||||
 |  | | | | | | | | | | | | | | | | | | |
 | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | 7:05 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:04 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 28 | 26 | 26 | 26 | 26 | 26 | 27 | 28 | 27 | 25 | 25 | 25 | 25 | 25 | 27 | 27 | 27 | 25 | 25 |
Feels °C | 28 | 26 | 26 | 26 | 26 | 25 | 25 | 26 | 25 | 24 | 24 | 24 | 24 | 23 | 25 | 25 | 25 | 24 | 24 |
Swell 1 Height (m) Direction Period (s) | SSW 15 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | E 7 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | S 18 | S 18 | S 18 | S 17 | S 16 |
| kJ | 234 | 253 | 250 | 237 | 231 | 225 | 218 | 124 | 336 | 317 | 308 | 317 | 307 | 298 | 627 | 749 | 741 | 724 | 643 |
Swell 2 Height (m) Direction Period (s) | SSE 10 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSW 11 | SSW 11 | SSW 14 | SSE 9 | SSE 9 | S 20 | S 20 | S 19 | S 19 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 |
| kJ | 36 | 33 | 33 | 33 | 32 | 42 | 40 | 276 | 30 | 30 | 268 | 373 | 480 | 441 | 294 | 235 | 289 | 289 | 218 |
Swell 3 Height (m) Direction Period (s) | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SE 9 | SSE 9 | SSE 9 | S 21 | S 20 | SSE 9 | SE 9 | SE 8 | SSE 9 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | WNW 12 |
| kJ | 49 | 47 | 23 | 23 | 40 | 21 | 32 | 31 | 79 | 127 | 29 | 19 | 18 | 31 | 33 | 29 | 28 | 28 | 28 |
Wind waves Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | E 7 | E 7 | E 7 | ENE 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 6 | E 6 | ENE 6 | ENE 6 | E 6 |
| kJ | 153 | 145 | 114 | 111 | 131 | 127 | 147 | 102 | 106 | 131 | 131 | 127 | 124 | 124 | 120 | 132 | 130 | 130 | 139 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 14 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 15 | 16 | 14 | 14 |
Best forecast wave conditions in Oahu | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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