Surf Forecasts:
How big are the waves at Ewa Beach Park today (13 Sep):
- Morning surf: Morning surf (13 Sep, local time) - 1.5ft (0.5m), 15s period with SW swell.
- Afternoon surf: Afternoon surf (13 Sep, local time) - 1.5ft (0.5m), 15s period with SW swell.
- Evening surf: Evening surf (13 Sep, local time) - 1.5ft (0.4m), 14s period with SSW swell.
The current surf forecast for Ewa Beach Park at 6PM is: 0.4m 15s primary swell from a South-southwest direction and 0.4m 12s secondary swell from a South-southwest direction, 0.6m 9s secondary swell from a East-northeast direction (forecast issued at 01:00pm September 13). The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Sep) | 1.5ft (0.5m) | 15s |
| Afternoon (13 Sep) | 1.5ft (0.5m) | 15s |
| Evening (13 Sep) | 1.5ft (0.4m) | 14s |
Table - waves today at Ewa Beach Park. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 28°C on Sun afternoon, min 24°C on Sun night). Wind will be generally light. | |||||||||||||||||||||
Sun 13 | Monday 14 | Tuesday 15 | |||||||||||||||||||
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) | SW 15 | SW 15 | SSW 15 | SSW 14 | SW 14 | SSW 14 | SSW 14 | SW 24 | SW 24 | SW 22 | SW 22 | SW 22 | SW 21 | SW 21 | SW 21 | SSW 20 | SW 20 | SSW 20 | SSW 19 | SW 19 | SW 19 |
Wave Graph  | |||||||||||||||||||||
 kJ | 107 | 104 | 84 | 82 | 57 | 134 | 133 | 87 | 87 | 233 | 227 | 227 | 224 | 224 | 458 | 530 | 557 | 485 | 480 | 546 | 546 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross | cross-off | cross | cross-off | cross-off | cross | cross | cross | cross | cross-off | cross | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide | 4:46PM0.48m | 5:51AM0.63m | 5:07PM0.41m | 6:35AM0.62m | 5:22PM0.36m | ||||||||||||||||
Low Tide | 11:21AM0.20m | 10:57PM0.08m | 12:14PM0.24m | 11:18PM0.09m | 1:19PM0.28m | ||||||||||||||||
 | |  |  | | |  |  | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — |
 | — | — | 6:37 | — | — | — | — | — | — | — | 6:36 | — | — | — | — | — | — | — | 6:35 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 28 | 27 | 26 | 25 | 25 | 24 | 25 | 27 | 28 | 27 | 26 | 26 | 25 | 25 | 26 | 27 | 28 | 28 | 26 | 26 |
Feels °C | 28 | 29 | 28 | 26 | 26 | 27 | 26 | 25 | 26 | 27 | 27 | 27 | 28 | 27 | 27 | 28 | 28 | 28 | 28 | 27 | 27 |
Swell 1 Height (m) Direction Period (s) | E 9 | SW 15 | SSW 15 | SSW 14 | E 8 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SW 22 | SW 22 | SSW 13 | SSW 13 | ENE 5 | SW 21 | SSW 20 | SW 20 | SSW 20 | SSW 19 | SW 19 | SW 19 |
| kJ | 41 | 104 | 84 | 82 | 37 | 134 | 133 | 76 | 76 | 233 | 227 | 70 | 69 | 28 | 458 | 530 | 557 | 485 | 480 | 546 | 546 |
Swell 2 Height (m) Direction Period (s) | SW 15 | SSW 12 | SSW 12 | SW 12 | SSW 12 | NE 8 | NE 9 | NE 9 | NE 9 | SSW 14 | SSW 14 | SW 22 | SW 21 | SW 21 | E 5 | E 6 | E 6 | E 6 | SSW 12 | E 11 | E 11 |
| kJ | 107 | 56 | 56 | 37 | 57 | 18 | 20 | 20 | 19 | 76 | 74 | 227 | 224 | 224 | 21 | 22 | 15 | 15 | 58 | 39 | 38 |
Swell 3 Height (m) Direction Period (s) | SSW 12 | ENE 9 | E 4 | NE 9 | SW 14 | SW 24 | ENE 8 | SW 24 | SW 24 | NE 8 | NE 8 | SSE 8 | NE 8 | SSW 13 | SSW 13 | SSW 13 | SW 13 | SW 12 | E 12 | SW 12 | SW 12 |
| kJ | 57 | 26 | 6 | 20 | 54 | 87 | 14 | 87 | 87 | 18 | 11 | 6 | 10 | 68 | 67 | 65 | 41 | 39 | 44 | 38 | 38 |
Wind waves Height (m) Direction Period (s) | E 4 | ENE 9 | ENE 9 | ENE 8 | — | E 9 | E 4 | E 8 | E 4 | ENE 4 | ENE 4 | ENE 4 | ENE 5 | ENE 5 | ENE 5 | ENE 5 | ENE 5 | ENE 5 | E 5 | ENE 5 | ENE 5 |
| kJ | 9 | 62 | 59 | 57 | — | 38 | 5 | 34 | 10 | 15 | 15 | 32 | 34 | 49 | 25 | 33 | 32 | 31 | 21 | 23 | 28 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 4 | 10 | 4 | 2 | 4 | 0 | 0 | 12 | 14 | 14 | 12 | 12 | 4 | 4 | 4 | 12 | 12 | 14 | 12 | 12 | 13 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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