Surf Forecasts:
How big are the waves at Ewa Beach Park today (31 Aug):
- Morning surf: Morning surf (31 Aug, local time) - 5ft (1.5m), 7s period with E swell.
- Afternoon surf: Afternoon surf (31 Aug, local time) - 5ft (1.6m), 7s period with ENE swell.
- Evening surf: Evening surf (31 Aug, local time) - 5ft (1.6m), 8s period with ENE swell.
The current surf forecast for Ewa Beach Park at 9AM is: 1.5m 7s primary swell from a East direction and 0.7m 15s secondary swell from a South-southwest direction, 0.6m 11s secondary swell from a South direction (forecast issued at 01:00am August 31). The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Aug) | 5ft (1.5m) | 7s |
| Afternoon (31 Aug) | 5ft (1.6m) | 7s |
| Evening (31 Aug) | 5ft (1.6m) | 8s |
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 Mon night). Mainly fresh winds. | ||||||||||||||||||||||||
Monday 31 | Tuesday 1 | Wednesday 2 | ||||||||||||||||||||||
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) | E 7 | E 7 | E 7 | E 7 | E 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | S 18 | SSW 18 | S 18 | ENE 8 | ENE 8 | S 18 | S 17 | S 16 | S 16 | S 16 | S 16 | S 16 | S 15 | S 15 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 206 | 214 | 226 | 231 | 238 | 259 | 273 | 273 | 251 | 393 | 246 | 329 | 311 | 318 | 322 | 395 | 465 | 438 | 432 | 520 | 513 | 401 | 371 | 357 |
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-off | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide | 5:56AM0.58m | 5:20PM0.49m | 6:48AM0.60m | 5:42PM0.41m | 7:51AM0.61m | 5:57PM0.35m | ||||||||||||||||||
Low Tide | 11:20PM0.08m | 11:55AM0.24m | 11:45PM0.07m | 1:04PM0.29m | 00:15AM0.07m | 2:51PM0.32m | ||||||||||||||||||
 | |  | | | | |  | | | | | | | | | | | | | | | | | |
 | — | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:49 | — | — | — | — | — | — | — | 6:47 | — | — | — | — | — | — | — | 6:46 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 26 | 27 | 27 | 27 | 25 | 26 | 26 | 25 | 26 | 27 | 28 | 27 | 26 | 26 | 26 | 26 | 26 | 27 | 28 | 27 | 26 | 25 |
Feels °C | 23 | 23 | 24 | 24 | 24 | 24 | 23 | 24 | 24 | 24 | 25 | 25 | 26 | 25 | 25 | 25 | 25 | 26 | 25 | 25 | 25 | 24 | 24 | 23 |
Swell 1 Height (m) Direction Period (s) | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | S 10 | S 19 | S 19 | E 8 | S 18 | SSW 18 | S 18 | S 18 | S 18 | S 18 | S 17 | S 16 | S 16 | S 16 | S 16 | S 16 | S 15 | S 15 |
| kJ | 199 | 196 | 196 | 191 | 186 | 180 | 76 | 192 | 192 | 245 | 246 | 329 | 311 | 314 | 311 | 395 | 465 | 438 | 432 | 520 | 513 | 401 | 371 | 357 |
Swell 2 Height (m) Direction Period (s) | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | SW 14 | S 10 | S 10 | S 19 | SSW 14 | SW 14 | S 13 | S 12 | S 12 | S 12 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | S 11 | S 11 | S 11 |
| kJ | 85 | 84 | 84 | 82 | 81 | 79 | 99 | 52 | 50 | 267 | 136 | 100 | 79 | 75 | 75 | 74 | 35 | 35 | 35 | 33 | 32 | 64 | 59 | 59 |
Swell 3 Height (m) Direction Period (s) | SSW 20 | E 10 | E 10 | S 21 | SSW 18 | SSW 19 | S 19 | SSW 14 | SW 14 | SSW 14 | S 10 | SSE 10 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | E 14 | E 14 | E 14 | E 13 |
| kJ | 38 | 31 | 31 | 76 | 109 | 123 | 190 | 75 | 74 | 136 | 45 | 30 | 53 | 51 | 52 | 52 | 50 | 50 | 49 | 48 | 37 | 66 | 65 | 55 |
Wind waves Height (m) Direction Period (s) | E 7 | E 7 | E 7 | E 7 | E 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 |
| kJ | 206 | 214 | 226 | 231 | 238 | 259 | 273 | 273 | 251 | 393 | 223 | 264 | 270 | 318 | 322 | 310 | 264 | 264 | 229 | 273 | 295 | 253 | 246 | 292 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 22 | 16 | 22 | 23 | 23 | 23 | 22 | 14 | 14 | 14 | 14 | 14 | 143 | 143 | 15 | 16 | 14 | 14 | 14 | 14 | 28 | 28 | 23 | 23 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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