Surf Forecasts:
How big are the waves at Ewa Beach Park today (17 Aug):
- Morning surf: Morning surf (17 Aug, local time) - 5ft (1.6m), 8s period with ENE swell.
- Afternoon surf: Afternoon surf (17 Aug, local time) - 3ft (0.9m), 14s period with S swell.
- Evening surf: Evening surf (17 Aug, local time) - 3ft (0.9m), 14s period with S swell.
The current surf forecast for Ewa Beach Park at 2PM is: 0.9m 14s primary swell from a South direction and 0.5m 6s secondary swell from a South-southeast direction, 1.2m 8s secondary swell from a East direction (forecast issued at 07:00am August 17). The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Aug) | 5ft (1.6m) | 8s |
| Afternoon (17 Aug) | 3ft (0.9m) | 14s |
| Evening (17 Aug) | 3ft (0.9m) | 14s |
Table - waves today at Ewa Beach Park. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 27°C on Tue afternoon, min 24°C on Mon night). Wind will be generally light. | |||||||||||||||||||||||
Monday 17 | Tuesday 18 | Wednesday 19 | |||||||||||||||||||||
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 14 | ENE 8 | S 14 | S 14 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | ENE 7 | S 13 | S 13 | S 13 | S 13 | S 12 | SW 16 | SW 16 | SSW 16 | SW 16 | SW 16 | SW 16 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 416 | 334 | 412 | 329 | 329 | 320 | 246 | 222 | 167 | 215 | 215 | 162 | 123 | 166 | 166 | 114 | 141 | 129 | 129 | 177 | 125 | 129 | 127 |
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 | cross | cross-on | cross | cross-off | cross-off |
High Tide | 7:23AM0.54m | 6:10PM0.44m | 8:25AM0.55m | 6:13PM0.37m | 9:42AM0.56m | ||||||||||||||||||
Low Tide | 1:18PM0.31m | 00:54AM0.11m | 2:59PM0.34m | 1:23AM0.13m | |||||||||||||||||||
 |  | |  | | | | |  | | | | | | | | | | | | | | | |
 | 6:09 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 6:59 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 26 | 26 | 26 | 25 | 25 | 25 | 24 | 25 | 26 | 27 | 26 | 25 | 24 | 24 | 24 | 25 | 26 | 27 | 27 | 25 | 24 |
Feels °C | 28 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 23 | 24 | 24 | 25 | 24 | 25 | 24 | 24 | 23 | 25 | 26 | 27 | 27 | 26 | 25 |
Swell 1 Height (m) Direction Period (s) | ENE 8 | E 8 | E 8 | S 14 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | E 7 | E 7 | S 13 | S 13 | S 13 | S 13 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 |
| kJ | 229 | 181 | 172 | 329 | 329 | 320 | 246 | 222 | 167 | 215 | 94 | 94 | 119 | 166 | 166 | 114 | 95 | 105 | 86 | 84 | 84 | 64 | 64 |
Swell 2 Height (m) Direction Period (s) | S 14 | S 14 | S 14 | SSE 6 | SSE 6 | SSE 5 | WNW 11 | SW 6 | SE 8 | SW 16 | S 13 | S 13 | SSW 18 | SW 18 | SW 18 | SW 18 | S 12 | S 12 | SW 16 | SSW 16 | S 12 | SW 16 | SW 16 |
| kJ | 416 | 334 | 412 | 18 | 13 | 6 | 24 | 9 | 17 | 69 | 215 | 162 | 123 | 80 | 80 | 79 | 141 | 69 | 129 | 177 | 71 | 129 | 127 |
Swell 3 Height (m) Direction Period (s) | SSE 7 | SSE 6 | S 6 | SW 5 | SSW 5 | WNW 11 | WSW 6 | WNW 11 | E 9 | SW 6 | SSW 17 | SW 18 | SE 8 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | SW 16 | S 12 | S 12 | SW 16 | S 12 | S 12 |
| kJ | 73 | 50 | 33 | 7 | 5 | 24 | 7 | 24 | 14 | 5 | 115 | 150 | 15 | 32 | 29 | 48 | 48 | 129 | 69 | 44 | 125 | 71 | 45 |
Wind waves Height (m) Direction Period (s) | — | ENE 8 | ENE 8 | E 8 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | — | ENE 7 | E 7 | E 7 | E 7 | E 7 | — | — | — | NE 6 | NE 6 | NE 6 | ENE 8 |
| kJ | — | 291 | 283 | 168 | 159 | 134 | 134 | 131 | 106 | 106 | — | 145 | 97 | 103 | 106 | 106 | — | — | — | 33 | 31 | 31 | 51 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 14 | 14 | 14 | 14 | 14 | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 14 | 13 | 14 | 13 | 14 | 14 | 13 | 0 | 0 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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