Surf Forecasts:
How big are the waves at Army Beach today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 3ft (0.9m), 6s period with NE swell.
- Afternoon surf: Afternoon surf (20 Aug, local time) - 3.5ft (1.1m), 7s period with NE swell.
- Evening surf: Evening surf (20 Aug, local time) - 1.5ft (0.5m), 10s period with W swell.
The current surf forecast for Army Beach at 8PM is: 0.5m 10s primary swell from a West direction (forecast issued at 01:00pm August 20). An open ocean swell of 1.2m 7s is not directed at the surf break, a second open ocean swell of 0.6m 17s 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 Aug) | 3ft (0.9m) | 6s |
| Afternoon (20 Aug) | 3.5ft (1.1m) | 7s |
| Evening (20 Aug) | 1.5ft (0.5m) | 10s |
Table - waves today at Army Beach. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 28°C on Sat afternoon, min 25°C on Thu night). Winds increasing (calm on Fri morning, fresh winds from the ENE by Sat night). | |||||||||||||||||||||
Thu 20 | Friday 21 | Saturday 22 | |||||||||||||||||||
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 18 | NE 7 | W 10 | W 10 | W 10 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | W 10 | W 10 | WNW 10 | W 10 | W 10 | W 12 | WNW 14 | WNW 13 | WNW 13 |
Wave Graph  | |||||||||||||||||||||
 kJ | 249 | 105 | 56 | 50 | 47 | 57 | 64 | 64 | 59 | 59 | 41 | 32 | 32 | 31 | 33 | 51 | 30 | 70 | 76 | 201 | 238 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross | cross-off | glassy | cross-off | cross-off | glassy | glassy | glassy | glassy | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross |
High Tide | 11:21AM0.55m | 12:18PM0.58m | 1:01PM0.61m | ||||||||||||||||||
Low Tide | 2:50AM0.14m | 4:17AM0.13m | 9:28PM0.19m | ||||||||||||||||||
 | |  |  | | | | | | | |  | | | | | | | | | | |
 | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — |
 | — | — | 6:59 | — | — | — | — | — | — | — | 6:58 | — | — | — | — | — | — | — | 6:58 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 27 | 27 | 27 | 26 | 26 | 25 | 26 | 27 | 26 | 26 | 27 | 26 | 26 | 25 | 26 | 27 | 28 | 27 | 26 | 26 |
Feels °C | 29 | 28 | 28 | 29 | 30 | 30 | 28 | 30 | 31 | 30 | 30 | 31 | 28 | 28 | 27 | 28 | 28 | 28 | 27 | 26 | 26 |
Swell 1 Height (m) Direction Period (s) | NE 7 | SSW 18 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | SSW 17 | NNE 7 | NNE 7 | NNE 7 | ENE 7 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SW 16 | SW 16 | WNW 13 | WNW 13 |
| kJ | 73 | 207 | 138 | 142 | 142 | 73 | 360 | 64 | 59 | 59 | 73 | 322 | 322 | 322 | 322 | 326 | 326 | 258 | 255 | 201 | 238 |
Swell 2 Height (m) Direction Period (s) | E 8 | E 8 | SSW 17 | SSW 17 | SW 16 | NNE 7 | NNE 7 | SSW 17 | SW 17 | SW 17 | SW 16 | NNE 7 | W 10 | W 10 | WNW 10 | S 13 | W 10 | W 12 | W 11 | SW 16 | SW 16 |
| kJ | 58 | 43 | 202 | 184 | 271 | 57 | 64 | 368 | 295 | 284 | 264 | 31 | 32 | 31 | 33 | 90 | 30 | 70 | 66 | 251 | 248 |
Swell 3 Height (m) Direction Period (s) | SW 18 | S 11 | W 10 | W 10 | W 10 | SW 16 | E 7 | E 7 | E 7 | ENE 7 | NNE 7 | W 10 | S 11 | S 11 | S 13 | W 10 | SSE 14 | WNW 15 | WNW 14 | SSE 12 | S 12 |
| kJ | 249 | 39 | 56 | 50 | 47 | 274 | 68 | 49 | 52 | 57 | 41 | 32 | 37 | 20 | 54 | 51 | 67 | 43 | 76 | 29 | 46 |
Wind waves Height (m) Direction Period (s) | — | NE 7 | NE 7 | — | — | — | — | — | — | — | — | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 6 | ENE 7 | E 7 | E 6 | E 7 | E 7 |
| kJ | — | 105 | 49 | — | — | — | — | — | — | — | — | 91 | 128 | 139 | 152 | 147 | 152 | 200 | 247 | 262 | 293 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 8 | 12 | 9 | 5 | 5 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 5 | 5 | 5 | 0 | 5 | 5 | 5 | 5 | 5 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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