Surf Forecasts:
How big are the waves at Ewa Beach Park today (11 Sep):
- Morning surf: Morning surf (11 Sep, local time) - 2.5ft (0.7m), 16s period with SW swell.
- Afternoon surf: Afternoon surf (11 Sep, local time) - 2.5ft (0.7m), 15s period with SW swell.
- Evening surf: Evening surf (11 Sep, local time) - 2.5ft (0.7m), 15s period with SW swell.
The current surf forecast for Ewa Beach Park at 1AM is: 0.7m 16s primary swell from a Southwest direction and 0.5m 11s secondary swell from a East direction, 1.0m 7s secondary swell from a East direction (forecast issued at 07:00pm September 10). The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Sep) | 2.5ft (0.7m) | 16s |
| Afternoon (11 Sep) | 2.5ft (0.7m) | 15s |
| Evening (11 Sep) | 2.5ft (0.7m) | 15s |
Table - waves today at Ewa Beach Park. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 27°C on Fri afternoon, min 24°C on Thu night). Wind will be generally light. | |||||||||||||||||||
Thu 10 | Friday 11 | Saturday 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 18 | SSW 18 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | ENE 11 | SW 15 | SSW 15 | SW 15 | SW 15 | SW 15 | SW 16 | SSW 14 | SW 16 | SW 16 | SW 16 |
Wave Graph  | |||||||||||||||||||
 kJ | 209 | 207 | 224 | 268 | 264 | 264 | 258 | 236 | 249 | 229 | 283 | 226 | 223 | 223 | 245 | 127 | 124 | 124 | 122 |
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-on | cross-off | cross-off | cross |
High Tide | 3:25PM0.68m | 3:53AM0.55m | 3:54PM0.62m | 4:32AM0.59m | 4:21PM0.55m | ||||||||||||||
Low Tide | 9:53PM0.08m | 9:45AM0.12m | 10:14PM0.07m | 10:32AM0.16m | 10:36PM0.07m | ||||||||||||||
 |  | | | | | | |  | | | | | | | | | | | |
 | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — |
 | 6:38 | — | — | — | — | — | — | — | 6:38 | — | — | — | — | — | — | — | 6:37 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 26 | 25 | 25 | 24 | 25 | 26 | 27 | 27 | 26 | 25 | 24 | 24 | 25 | 26 | 27 | 27 | 26 | 25 |
Feels °C | 26 | 26 | 24 | 24 | 23 | 24 | 25 | 25 | 27 | 26 | 26 | 24 | 25 | 26 | 26 | 27 | 29 | 27 | 26 |
Swell 1 Height (m) Direction Period (s) | SSW 12 | SSW 12 | SW 17 | SW 16 | ENE 7 | ENE 7 | E 7 | SW 15 | SW 15 | ENE 11 | ENE 11 | ENE 10 | ENE 10 | ENE 10 | SW 16 | ENE 10 | ENE 10 | ENE 10 | SSW 13 |
| kJ | 175 | 129 | 224 | 268 | 79 | 77 | 57 | 236 | 229 | 202 | 161 | 158 | 140 | 109 | 245 | 100 | 75 | 72 | 116 |
Swell 2 Height (m) Direction Period (s) | SSW 18 | SSW 18 | SSW 12 | E 11 | SW 16 | SW 16 | SW 16 | E 11 | SSW 12 | SW 15 | SSW 15 | SW 15 | SW 15 | SW 15 | ENE 10 | SSW 14 | SW 16 | SW 16 | SW 16 |
| kJ | 209 | 207 | 113 | 64 | 264 | 264 | 258 | 86 | 46 | 229 | 283 | 226 | 223 | 223 | 100 | 123 | 124 | 124 | 122 |
Swell 3 Height (m) Direction Period (s) | E 12 | E 12 | E 11 | SSW 12 | E 11 | E 11 | E 11 | SSW 11 | SW 9 | SSW 12 | SSW 11 | SSE 8 | SSE 5 | SSW 11 | SSW 10 | SW 16 | SW 13 | SW 13 | NE 9 |
| kJ | 72 | 69 | 65 | 77 | 89 | 62 | 88 | 43 | 28 | 46 | 41 | 26 | 6 | 23 | 22 | 127 | 87 | 87 | 20 |
Wind waves Height (m) Direction Period (s) | E 7 | E 7 | E 7 | E 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 11 | — | — | — | — | — | — | — | — | — | ENE 9 |
| kJ | 150 | 124 | 103 | 100 | 136 | 124 | 68 | 67 | 249 | — | — | — | — | — | — | — | — | — | 66 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 22 | 13 | 13 | 14 | 13 | 13 | 14 | 14 | 12 | 12 | 4 | 4 | 4 | 12 | 14 | 14 | 0 | 0 | 4 |
Best forecast wave conditions in Oahu | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
Header Global | |||||||||||||||||||
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