Surf Forecasts:
How big are the waves at Ewa Beach Park today (18 Jul):
- Morning surf: Morning surf (18 Jul, local time) - 2.5ft (0.7m), 14s period with SSW swell.
- Afternoon surf: Afternoon surf (18 Jul, local time) - 5ft (1.6m), 7s period with E swell.
- Evening surf: Evening surf (18 Jul, local time) - 5ft (1.5m), 8s period with E swell.
The current surf forecast for Ewa Beach Park at 7AM is: 0.7m 14s primary swell from a South-southwest direction and 1.2m 7s secondary swell from a East direction (forecast issued at 01:00am July 18). An open ocean swell of 0.5m 13s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Jul) | 2.5ft (0.7m) | 14s |
| Afternoon (18 Jul) | 5ft (1.6m) | 7s |
| Evening (18 Jul) | 5ft (1.5m) | 8s |
Table - waves today at Ewa Beach Park. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 27°C on Sun afternoon, min 24°C on Sat night). Winds decreasing (fresh winds from the ENE on Sat morning, light winds from the NE by Mon night). | ||||||||||||||||||||||||
Saturday 18 | Sunday 19 | Monday 20 | ||||||||||||||||||||||
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) | SSW 14 | SSW 14 | SSW 14 | E 7 | E 7 | E 8 | E 8 | ENE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | S 16 | S 16 | S 16 | S 16 | S 16 | ENE 7 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 192 | 204 | 198 | 243 | 290 | 287 | 272 | 257 | 223 | 219 | 217 | 213 | 219 | 190 | 187 | 187 | 182 | 153 | 195 | 193 | 412 | 407 | 179 | 165 |
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-off | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide | 7:09AM0.42m | 6:44PM0.60m | 8:16AM0.46m | 7:10PM0.51m | 9:31AM0.50m | 7:31PM0.43m | ||||||||||||||||||
Low Tide | 1:14AM0.10m | 12:16PM0.22m | 1:44AM0.11m | 1:23PM0.30m | 2:15AM0.11m | 3:02PM0.36m | ||||||||||||||||||
 | |  | | | |  | | | | | | |  | | | | | | | | | | | |
 | — | 5:58 | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:15 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 24 | 25 | 26 | 26 | 26 | 24 | 24 | 24 | 24 | 24 | 26 | 27 | 26 | 25 | 24 | 24 | 24 | 25 | 26 | 27 | 27 | 25 | 25 |
Feels °C | 25 | 22 | 21 | 22 | 22 | 23 | 22 | 23 | 23 | 23 | 22 | 23 | 24 | 23 | 24 | 24 | 23 | 23 | 24 | 24 | 25 | 25 | 24 | 25 |
Swell 1 Height (m) Direction Period (s) | E 6 | SSW 14 | SSW 14 | SSW 13 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 12 | SSW 12 | S 12 | SSW 13 | SSW 13 | S 13 | S 13 | SSW 11 | SSW 11 | E 8 | S 16 | S 16 | S 16 | S 16 | S 16 | S 13 |
| kJ | 84 | 204 | 198 | 187 | 210 | 210 | 210 | 210 | 121 | 115 | 73 | 129 | 129 | 126 | 126 | 74 | 71 | 153 | 195 | 193 | 412 | 407 | 179 | 163 |
Swell 2 Height (m) Direction Period (s) | SSW 14 | W 13 | W 13 | W 13 | W 13 | W 13 | SSE 9 | SSE 9 | WNW 12 | WNW 12 | WNW 12 | S 19 | S 19 | S 18 | S 18 | S 18 | S 18 | S 17 | SSW 12 | S 13 | SSW 18 | SW 18 | S 13 | S 15 |
| kJ | 192 | 89 | 87 | 87 | 87 | 87 | 32 | 32 | 52 | 49 | 28 | 66 | 114 | 107 | 102 | 162 | 152 | 151 | 77 | 121 | 126 | 80 | 119 | 165 |
Swell 3 Height (m) Direction Period (s) | W 13 | SW 14 | SW 15 | SE 8 | SSE 8 | SSE 9 | WNW 13 | WNW 13 | SE 9 | S 19 | S 19 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | SW 19 | SW 19 | SSW 12 | SW 18 | SW 18 | W 12 | W 12 | SW 17 | SW 17 |
| kJ | 128 | 33 | 33 | 17 | 28 | 30 | 56 | 55 | 13 | 66 | 66 | 28 | 28 | 29 | 28 | 92 | 92 | 54 | 85 | 83 | 24 | 11 | 77 | 70 |
Wind waves Height (m) Direction Period (s) | ESE 6 | E 7 | E 7 | E 7 | E 7 | E 8 | E 8 | ENE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | — | E 8 | E 8 | E 8 | ENE 8 | ENE 7 | ENE 7 |
| kJ | 64 | 107 | 157 | 243 | 290 | 287 | 272 | 257 | 223 | 219 | 217 | 213 | 219 | 190 | 187 | 187 | 182 | — | 127 | 149 | 142 | 143 | 167 | 163 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 14 | 16 | 22 | 22 | 22 | 22 | 14 | 14 | 14 | 14 | 14 | 14 | 16 | 28 | 14 | 0 | 13 | 13 | 13 | 14 | 22 | 14 | 13 | 13 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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