Surf Forecasts:
How big are the waves at Ewa Beach Park today (28 Aug):
- Morning surf: Morning surf (28 Aug, local time) - 3.5ft (1.0m), 15s period with S swell.
- Afternoon surf: Afternoon surf (28 Aug, local time) - 3ft (0.9m), 14s period with S swell.
- Evening surf: Evening surf (28 Aug, local time) - 3.5ft (1.0m), 14s period with S swell.
The current surf forecast for Ewa Beach Park at 7AM is: 1.0m 15s primary swell from a South direction and 0.4m 11s secondary swell from a South-southwest direction, 1.2m 6s secondary swell from a East direction (forecast issued at 01:00am August 28). The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Aug) | 3.5ft (1.0m) | 15s |
| Afternoon (28 Aug) | 3ft (0.9m) | 14s |
| Evening (28 Aug) | 3.5ft (1.0m) | 14s |
Table - waves today at Ewa Beach Park. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 27°C on Fri morning, min 25°C on Fri morning). Mainly fresh winds. | ||||||||||||||||||||||||
Friday 28 | Saturday 29 | Sunday 30 | ||||||||||||||||||||||
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 16 | S 16 | S 15 | S 14 | S 14 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | E 7 | E 7 | SSW 17 | E 7 | E 7 | SSW 16 | SSW 16 | E 7 | E 7 | E 7 | SSW 15 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 582 | 570 | 429 | 329 | 325 | 399 | 395 | 384 | 289 | 219 | 219 | 126 | 215 | 130 | 152 | 186 | 236 | 192 | 232 | 226 | 262 | 302 | 220 | 201 |
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 | cross | cross | cross | cross |
High Tide | 3:53AM0.45m | 4:05PM0.67m | 4:31AM0.50m | 4:31PM0.62m | 5:12AM0.55m | 4:56PM0.56m | ||||||||||||||||||
Low Tide | 9:32AM0.10m | 10:37PM0.10m | 10:15AM0.14m | 10:58PM0.09m | 11:02AM0.18m | |||||||||||||||||||
 |  |  | | | | | | | |  | | | | | | | | | | | | | | |
 | — | 6:13 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:51 | — | — | — | — | — | — | — | 6:51 | — | — | — | — | — | — | — | 6:50 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 25 | 27 | 27 | 27 | 25 | 25 | 25 | 25 | 25 | 26 | 27 | 26 | 25 | 25 | 25 | 25 | 25 | 27 | 27 | 27 | 25 | 25 |
Feels °C | 23 | 23 | 23 | 25 | 25 | 24 | 23 | 23 | 23 | 24 | 23 | 23 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 23 | 22 | 23 |
Swell 1 Height (m) Direction Period (s) | S 16 | S 16 | S 15 | S 14 | S 14 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 | S 12 | SSW 16 | SSW 16 | SSW 16 | S 12 | S 12 | SSW 15 |
| kJ | 582 | 570 | 429 | 329 | 325 | 399 | 395 | 384 | 289 | 219 | 219 | 121 | 215 | 76 | 75 | 148 | 138 | 100 | 232 | 226 | 166 | 100 | 136 | 201 |
Swell 2 Height (m) Direction Period (s) | E 18 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | E 15 | E 15 | E 14 | E 14 | E 14 | E 13 | S 13 | E 13 | S 13 | S 13 | SSW 17 | SSW 17 | SSW 16 | S 12 | SSW 12 | S 12 | SSW 16 | SSW 15 | S 12 |
| kJ | 24 | 38 | 39 | 38 | 37 | 106 | 67 | 103 | 104 | 93 | 89 | 126 | 125 | 89 | 89 | 186 | 186 | 181 | 71 | 46 | 68 | 162 | 158 | 97 |
Swell 3 Height (m) Direction Period (s) | NW 9 | E 16 | E 16 | E 16 | E 15 | SSW 19 | SSW 19 | SW 19 | SW 19 | SW 18 | SW 18 | E 13 | SSW 18 | E 13 | E 12 | E 12 | E 12 | E 12 | E 12 | ENE 11 | SSW 12 | W 11 | E 11 | ENE 11 |
| kJ | 3 | 20 | 45 | 45 | 74 | 35 | 35 | 57 | 90 | 84 | 81 | 89 | 120 | 81 | 75 | 75 | 75 | 73 | 71 | 43 | 28 | 9 | 37 | 39 |
Wind waves Height (m) Direction Period (s) | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 7 | E 7 | E 6 | E 6 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 |
| kJ | 141 | 120 | 101 | 101 | 98 | 91 | 88 | 128 | 144 | 123 | 116 | 119 | 126 | 130 | 152 | 171 | 236 | 192 | 166 | 192 | 262 | 302 | 220 | 187 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 17 | 14 | 14 | 14 | 14 | 143 | 14 | 15 | 14 | 14 | 14 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 15 | 14 | 23 | 28 | 22 | 15 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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