Surf Forecasts:
How big are the waves at Army Beach today (20 Oct):
- Morning surf: Morning surf (20 Oct, local time) - 1.5ft (0.5m), 10s period with N swell.
- Afternoon surf: Afternoon surf (20 Oct, local time) - 1.5ft (0.4m), 10s period with NNW swell.
- Evening surf: Evening surf (20 Oct, local time) - 1.5ft (0.4m), 10s period with NNW swell.
The current surf forecast for Army Beach at 12AM is: 0.5m 11s primary swell from a North direction and 0.4m 11s secondary swell from a Northwest direction (forecast issued at 07:00pm October 19). An open ocean swell of 2.3m 8s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Oct) | 1.5ft (0.5m) | 10s |
| Afternoon (20 Oct) | 1.5ft (0.4m) | 10s |
| Evening (20 Oct) | 1.5ft (0.4m) | 10s |
Table - waves today at Army Beach. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 26°C on Tue morning, min 24°C on Mon night). Winds decreasing (fresh winds from the ENE on Mon night, calm by Thu morning). | |||||||||||||||||||
Mon 19 | Tuesday 20 | Wednesday 21 | |||||||||||||||||
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) | N 11 | N 11 | N 11 | N 11 | N 11 | N 10 | N 10 | SW 15 | NNW 10 | NNW 10 | N 10 | N 10 | N 10 | N 9 | N 9 | N 9 | NW 12 | NW 12 | NW 12 |
Wave Graph  | |||||||||||||||||||
 kJ | 89 | 88 | 62 | 61 | 58 | 55 | 54 | 35 | 34 | 33 | 31 | 30 | 30 | 16 | 15 | 14 | 24 | 23 | 37 |
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-off | cross | cross | cross | cross | cross | cross-off | cross-off |
High Tide | 00:35AM0.28m | 11:39AM0.54m | 00:59AM0.35m | 12:14PM0.53m | |||||||||||||||
Low Tide | 6:56PM0.15m | 4:21AM0.24m | 7:01PM0.14m | 5:43AM0.24m | 7:09PM0.12m | ||||||||||||||
 |  | |  | | | | | | | | | | |  | | | | | |
 | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — |
 | 6:05 | — | — | — | — | — | — | — | 6:04 | — | — | — | — | — | — | — | 6:02 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 25 | 25 | 24 | 25 | 25 | 26 | 26 | 25 | 25 | 24 | 24 | 24 | 25 | 25 | 26 | 26 | 25 | 24 |
Feels °C | 24 | 23 | 22 | 22 | 23 | 23 | 23 | 24 | 21 | 22 | 22 | 22 | 23 | 24 | 24 | 25 | 24 | 24 | 24 |
Swell 1 Height (m) Direction Period (s) | N 11 | N 11 | N 11 | N 11 | N 11 | N 10 | N 10 | NNW 10 | NNW 10 | NNW 10 | N 10 | N 10 | N 10 | SW 16 | SW 16 | SW 15 | SSW 15 | SSW 15 | SW 15 |
| kJ | 89 | 88 | 62 | 61 | 58 | 55 | 54 | 35 | 34 | 33 | 31 | 30 | 30 | 63 | 61 | 57 | 86 | 85 | 54 |
Swell 2 Height (m) Direction Period (s) | NW 11 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | SW 15 | SW 16 | SW 16 | SW 16 | N 9 | N 9 | N 9 | N 9 | N 9 | NW 12 |
| kJ | 76 | 75 | 57 | 38 | 36 | 35 | 25 | 15 | 14 | 57 | 62 | 64 | 64 | 16 | 15 | 14 | 14 | 14 | 37 |
Swell 3 Height (m) Direction Period (s) | S 12 | SW 15 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SSW 14 | NW 9 | S 11 | S 11 | S 11 | S 12 | S 12 | S 12 | NW 12 | NW 12 | N 9 |
| kJ | 25 | 60 | 63 | 64 | 64 | 65 | 65 | 35 | 20 | 13 | 21 | 20 | 22 | 26 | 26 | 26 | 24 | 23 | 13 |
Wind waves Height (m) Direction Period (s) | 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 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 507 | 545 | 623 | 572 | 621 | 657 | 637 | 587 | 572 | 572 | 557 | 572 | 477 | 422 | 495 | 411 | 368 | 368 | 322 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 9 | 154 | 174 | 171 | 9 | 9 | 156 | 156 | 154 | 162 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
Best forecast wave conditions in Oahu | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
Header Global | |||||||||||||||||||
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