Surf Forecasts:
How big are the waves at Ewa Beach Park today (21 Oct):
- Morning surf: Morning surf (21 Oct, local time) - 5ft (1.6m), 8s period with E swell.
- Afternoon surf: Afternoon surf (21 Oct, local time) - 5ft (1.5m), 8s period with E swell.
- Evening surf: Evening surf (21 Oct, local time) - 3.5ft (1.1m), 8s period with ENE swell.
The current surf forecast for Ewa Beach Park at 5AM is: 1.6m 8s primary swell from a East direction and 0.4m 16s secondary swell from a Southwest direction, 0.3m 12s secondary swell from a South direction (forecast issued at 01:00am October 21). The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Oct) | 5ft (1.6m) | 8s |
| Afternoon (21 Oct) | 5ft (1.5m) | 8s |
| Evening (21 Oct) | 3.5ft (1.1m) | 8s |
Table - waves today at Ewa Beach Park. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 27°C on Thu morning, min 24°C on Wed night). Winds decreasing (fresh winds from the E on Wed morning, light winds from the NE by Fri night). | ||||||||||||||||||||||||
Wednesday 21 | Thursday 22 | Friday 23 | ||||||||||||||||||||||
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 7 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | ENE 8 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | E 7 | ENE 8 | ENE 8 | ENE 8 | SSW 13 | SSW 16 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 294 | 287 | 253 | 279 | 253 | 168 | 147 | 173 | 143 | 128 | 115 | 111 | 94 | 157 | 91 | 94 | 88 | 81 | 38 | 145 | 79 | 98 | 187 | 259 |
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-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-off | cross-off |
High Tide | 1:03AM0.39m | 12:29PM0.57m | 1:34AM0.48m | 1:05PM0.55m | 2:06AM0.57m | 1:40PM0.52m | ||||||||||||||||||
Low Tide | 6:06AM0.24m | 7:17PM0.11m | 7:08AM0.22m | 7:36PM0.08m | 8:03AM0.20m | 7:56PM0.05m | ||||||||||||||||||
 | |  | | | | | | | | | |  | | | | | | | | | | | | |
 | — | 6:28 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:02 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:00 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 24 | 24 | 25 | 26 | 26 | 25 | 25 | 24 | 24 | 24 | 25 | 27 | 27 | 26 | 25 | 24 | 24 | 24 | 24 | 26 | 27 | 26 | 24 | 24 |
Feels °C | 21 | 21 | 22 | 23 | 22 | 22 | 23 | 22 | 24 | 25 | 27 | 28 | 27 | 26 | 25 | 24 | 25 | 25 | 26 | 27 | 27 | 26 | 25 | 26 |
Swell 1 Height (m) Direction Period (s) | SW 16 | SW 16 | SW 16 | SW 15 | SSW 15 | E 8 | SSW 15 | SSW 15 | ENE 8 | E 8 | E 8 | E 8 | ENE 8 | ENE 7 | SSW 14 | SSW 13 | ENE 8 | E 7 | E 7 | ENE 8 | SSW 13 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 64 | 64 | 63 | 60 | 87 | 168 | 84 | 84 | 143 | 115 | 115 | 111 | 94 | 91 | 71 | 70 | 75 | 51 | 38 | 41 | 65 | 63 | 62 | 62 |
Swell 2 Height (m) Direction Period (s) | S 11 | S 12 | S 12 | S 12 | S 12 | SSW 15 | SSE 6 | SE 6 | SW 15 | SW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | NW 12 | NW 12 | SSW 13 | SSW 13 | NE 8 | ESE 7 | NW 11 | NW 11 | SSW 13 | SSW 16 |
| kJ | 21 | 27 | 26 | 26 | 26 | 85 | 14 | 9 | 54 | 54 | 81 | 79 | 75 | 73 | 49 | 50 | 69 | 68 | 29 | 16 | 42 | 42 | 187 | 259 |
Swell 3 Height (m) Direction Period (s) | S 14 | S 18 | S 17 | S 17 | S 17 | SE 6 | S 11 | S 12 | SSE 6 | SSE 5 | NW 11 | NW 11 | NW 11 | NW 11 | SSE 6 | SSE 6 | NW 12 | NE 8 | NW 11 | NW 11 | E 13 | SSW 16 | NW 11 | NW 11 |
| kJ | 14 | 24 | 22 | 22 | 22 | 9 | 23 | 10 | 6 | 6 | 20 | 19 | 19 | 31 | 7 | 7 | 50 | 20 | 44 | 43 | 54 | 81 | 41 | 40 |
Wind waves Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 7 | E 8 | ENE 8 | ENE 8 | ENE 8 | — | ENE 8 | — | — | — | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | — | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 294 | 287 | 253 | 279 | 253 | 142 | 147 | 173 | — | 128 | — | — | — | 157 | 91 | 94 | 88 | 81 | — | 145 | 79 | 98 | 95 | 123 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 22 | 14 | 22 | 16 | 16 | 22 | 14 | 14 | 14 | 10 | 4 | 14 | 14 | 12 | 12 | 13 | 0 | 0 | 13 | 13 | 13 | 12 | 0 | 0 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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