Surf Forecasts:
How big are the waves at Ewa Beach Park today (20 Oct):
- Morning surf: Morning surf (20 Oct, local time) - 6ft (1.8m), 8s period with E swell.
- Afternoon surf: Afternoon surf (20 Oct, local time) - 6.5ft (2.0m), 8s period with E swell.
- Evening surf: Evening surf (20 Oct, local time) - 6ft (1.9m), 8s period with E swell.
The current surf forecast for Ewa Beach Park at 4AM is: 1.8m 8s primary swell from a East direction and 0.4m 16s secondary swell from a Southwest direction, 0.3m 11s secondary swell from a South direction (forecast issued at 01:00am October 20). The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Oct) | 6ft (1.8m) | 8s |
| Afternoon (20 Oct) | 6.5ft (2.0m) | 8s |
| Evening (20 Oct) | 6ft (1.9m) | 8s |
Table - waves today at Ewa Beach Park. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 27°C on Thu afternoon, min 23°C on Thu night). Winds decreasing (strong winds from the ENE on Tue morning, light winds from the ESE by Thu morning). | ||||||||||||||||||||||||
Tuesday 20 | Wednesday 21 | Thursday 22 | ||||||||||||||||||||||
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 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 7 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 424 | 371 | 371 | 463 | 413 | 463 | 408 | 403 | 403 | 323 | 253 | 258 | 251 | 196 | 173 | 169 | 138 | 118 | 96 | 94 | 75 | 88 | 88 | 88 |
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 | cross | cross |
High Tide | 00:31AM0.32m | 11:50AM0.58m | 1:03AM0.39m | 12:29PM0.57m | 1:34AM0.48m | 1:05PM0.55m | ||||||||||||||||||
Low Tide | 4:48AM0.25m | 7:02PM0.14m | 6:06AM0.24m | 7:17PM0.11m | 7:08AM0.22m | 7:36PM0.08m | ||||||||||||||||||
 | |  | | | |  | | | | | | | | | | | | | | |  | | | |
 | — | 6:28 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:02 | — | — | — | — | — | — | — | 6:02 | — | — | — | — | — | — | — | 6:01 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 25 | 26 | 26 | 25 | 25 | 24 | 24 | 24 | 24 | 26 | 27 | 26 | 25 | 24 |
Feels °C | 21 | 20 | 21 | 20 | 20 | 21 | 21 | 20 | 20 | 21 | 23 | 23 | 22 | 22 | 24 | 24 | 24 | 25 | 25 | 28 | 27 | 25 | 25 | 24 |
Swell 1 Height (m) Direction Period (s) | SW 16 | SW 16 | SW 16 | SW 16 | S 11 | SW 14 | SW 15 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 64 | 64 | 65 | 65 | 21 | 52 | 57 | 63 | 64 | 64 | 63 | 60 | 87 | 85 | 84 | 84 | 138 | 118 | 96 | 94 | 75 | 75 | 75 | 75 |
Swell 2 Height (m) Direction Period (s) | S 12 | S 11 | S 11 | S 11 | SW 15 | S 11 | S 11 | S 11 | S 11 | S 12 | SSE 12 | SE 8 | SE 8 | SSE 6 | SSE 6 | SSE 6 | SW 15 | SW 14 | SW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 |
| kJ | 23 | 21 | 21 | 21 | 58 | 21 | 21 | 21 | 21 | 25 | 50 | 16 | 16 | 14 | 6 | 6 | 54 | 54 | 53 | 79 | 75 | 73 | 71 | 70 |
Swell 3 Height (m) Direction Period (s) | NW 11 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 9 | S 14 | S 13 | S 18 | S 17 | S 12 | S 12 | S 12 | S 11 | S 11 | SSE 5 | SSE 5 | SSE 5 | SSE 6 | SSE 6 | NW 11 | NW 12 | NW 12 |
| kJ | 18 | 16 | 16 | 15 | 15 | 4 | 3 | 15 | 14 | 24 | 22 | 26 | 11 | 11 | 23 | 10 | 6 | 6 | 6 | 6 | 7 | 31 | 49 | 50 |
Wind waves Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | — | — | — | — | ENE 8 | ENE 8 | ENE 8 |
| kJ | 424 | 371 | 371 | 463 | 413 | 463 | 408 | 403 | 403 | 323 | 253 | 258 | 251 | 196 | 173 | 169 | 128 | — | — | — | — | 88 | 88 | 88 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 143 | 143 | 172 | 32 | 32 | 143 | 143 | 143 | 172 | 22 | 22 | 16 | 22 | 22 | 16 | 15 | 14 | 13 | 17 | 10 | 0 | 14 | 14 | 14 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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