Surf Forecasts:
How big are the waves at Army Beach today (21 Oct):
- Morning surf: Morning surf (21 Oct, local time) - 1.5ft (0.4m), 9s period with N swell.
- Afternoon surf: Afternoon surf (21 Oct, local time) - 1ft (0.3m), 9s period with N swell.
- Evening surf: Evening surf (21 Oct, local time) - 1ft (0.3m), 12s period with NW swell.
The current surf forecast for Army Beach at 4PM is: 0.3m 12s primary swell from a Northwest direction and 0.3m 9s secondary swell from a North direction (forecast issued at 07:00am October 21). An open ocean swell of 0.4m 15s is not directed at the surf break, a second open ocean swell of 1.7m 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 (21 Oct) | 1.5ft (0.4m) | 9s |
| Afternoon (21 Oct) | 1ft (0.3m) | 9s |
| Evening (21 Oct) | 1ft (0.3m) | 12s |
Table - waves today at Army Beach. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 27°C on Wed afternoon, min 24°C on Wed night). Wind will be generally light. | |||||||||||||||||||||||
Wednesday 21 | Thursday 22 | Friday 23 | |||||||||||||||||||||
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) | N 10 | N 9 | N 9 | N 9 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 13 | NW 11 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 29 | 27 | 15 | 14 | 24 | 23 | 37 | 50 | 46 | 43 | 44 | 42 | 84 | 114 | 114 | 139 | 132 | 121 | 119 | 116 | 114 | 112 | 112 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross | cross | cross-off | cross-off | cross | cross | cross | cross-on | cross | cross | cross |
High Tide | 12:14PM0.53m | 1:26AM0.43m | 12:46PM0.50m | 1:56AM0.51m | 1:16PM0.46m | ||||||||||||||||||
Low Tide | 5:43AM0.24m | 7:09PM0.12m | 6:49AM0.23m | 7:22PM0.09m | 7:47AM0.22m | 7:38PM0.07m | |||||||||||||||||
 |  | | | | | | | |  | | | | | | | | | | | | | | |
 | 6:30 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — |
 | — | — | — | — | 6:02 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 24 | 25 | 26 | 27 | 26 | 25 | 24 | 24 | 24 | 25 | 26 | 26 | 26 | 25 | 24 | 24 | 24 | 24 | 26 | 26 | 26 | 25 | 24 |
Feels °C | 24 | 24 | 25 | 25 | 24 | 23 | 24 | 25 | 25 | 26 | 27 | 26 | 25 | 25 | 24 | 25 | 25 | 25 | 26 | 26 | 26 | 25 | 25 |
Swell 1 Height (m) Direction Period (s) | N 10 | SW 16 | SW 15 | SW 15 | SSW 15 | SSW 15 | SSW 15 | NW 12 | NW 11 | NW 11 | SSW 14 | NW 11 | NW 12 | NW 12 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | NW 11 | NW 11 | ENE 8 | ENE 8 |
| kJ | 29 | 63 | 60 | 57 | 86 | 85 | 84 | 50 | 46 | 43 | 80 | 42 | 84 | 114 | 161 | 142 | 165 | 154 | 158 | 116 | 114 | 123 | 120 |
Swell 2 Height (m) Direction Period (s) | SW 16 | N 9 | N 9 | N 9 | N 9 | NW 12 | NW 12 | SW 15 | SW 14 | SSW 14 | NW 11 | SSW 14 | SSW 14 | SSW 14 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NE 12 | SSW 13 | NW 11 | NW 11 |
| kJ | 64 | 27 | 15 | 14 | 14 | 23 | 37 | 54 | 54 | 81 | 42 | 77 | 73 | 71 | 114 | 139 | 132 | 121 | 119 | 73 | 95 | 112 | 112 |
Swell 3 Height (m) Direction Period (s) | S 11 | S 12 | S 12 | S 12 | NW 12 | N 9 | N 9 | N 8 | N 8 | N 8 | NW 13 | NW 13 | E 14 | E 14 | SSW 13 | SSW 13 | SSW 13 | NE 13 | NE 13 | E 13 | NE 12 | SSW 13 | SSW 16 |
| kJ | 21 | 26 | 26 | 26 | 24 | 14 | 14 | 13 | 6 | 12 | 44 | 27 | 32 | 32 | 70 | 69 | 68 | 61 | 84 | 54 | 69 | 139 | 196 |
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 | — | — | ESE 8 | — | — | ENE 8 | ENE 8 | NNE 4 | NE 8 |
| kJ | 383 | 345 | 362 | 362 | 345 | 345 | 322 | 288 | 256 | 244 | 214 | 186 | 186 | 161 | — | — | 44 | — | — | 158 | 158 | 5 | 46 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 0 | 0 | 0 | 5 | 9 | 5 | 5 | 5 | 0 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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