Surf Forecasts:
How big are the waves at Army Beach today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 2.5ft (0.8m), 7s period with NNE swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 2.5ft (0.8m), 7s period with NNE swell.
- Evening surf: Evening surf (21 Aug, local time) - 2.5ft (0.7m), 7s period with NNE swell.
The current surf forecast for Army Beach at 4AM is: 0.9m 7s primary swell from a North-northeast direction (forecast issued at 01:00am August 21). An open ocean swell of 0.8m 17s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 2.5ft (0.8m) | 7s |
| Afternoon (21 Aug) | 2.5ft (0.8m) | 7s |
| Evening (21 Aug) | 2.5ft (0.7m) | 7s |
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 Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Friday 21 | Saturday 22 | Sunday 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) | NE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | W 10 | W 10 | WNW 10 | WNW 10 | W 10 | W 10 | NW 14 | WNW 13 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 156 | 77 | 62 | 59 | 59 | 41 | 41 | 32 | 31 | 33 | 33 | 51 | 53 | 59 | 137 | 103 | 161 | 113 | 109 | 130 | 128 | 128 | 130 | 133 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | off | glassy | glassy | glassy | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross | cross | cross | cross-off | cross | cross | cross | cross | cross | cross | cross |
High Tide | 12:18PM0.58m | 1:01PM0.61m | 00:09AM0.21m | 1:37PM0.64m | ||||||||||||||||||||
Low Tide | 2:50AM0.14m | 4:17AM0.13m | 9:28PM0.19m | 5:26AM0.11m | 9:24PM0.18m | |||||||||||||||||||
 | |  | |  | |  | | | | | | | | | | | | | | | | | | |
 | — | 6:11 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:58 | — | — | — | — | — | — | — | 6:58 | — | — | — | — | — | — | — | 6:57 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 27 | 28 | 27 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 25 | 26 |
Feels °C | 31 | 30 | 30 | 32 | 32 | 31 | 29 | 29 | 27 | 27 | 27 | 28 | 29 | 27 | 26 | 26 | 26 | 26 | 26 | 27 | 25 | 26 | 24 | 26 |
Swell 1 Height (m) Direction Period (s) | NE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | E 7 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SW 16 | SW 16 | SW 16 | SW 16 | WNW 12 | WNW 11 | WNW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 |
| kJ | 156 | 77 | 62 | 59 | 59 | 70 | 322 | 322 | 322 | 322 | 326 | 326 | 258 | 255 | 251 | 248 | 161 | 113 | 109 | 130 | 128 | 128 | 130 | 133 |
Swell 2 Height (m) Direction Period (s) | SW 16 | SSW 17 | SSW 17 | SW 17 | SW 17 | SW 16 | NNE 7 | W 10 | W 10 | WNW 10 | S 13 | W 10 | W 10 | W 11 | WNW 13 | WNW 12 | SW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SW 15 | SSW 14 |
| kJ | 274 | 360 | 368 | 295 | 284 | 264 | 41 | 32 | 31 | 33 | 90 | 51 | 53 | 59 | 137 | 103 | 245 | 209 | 204 | 201 | 196 | 191 | 217 | 136 |
Swell 3 Height (m) Direction Period (s) | W 9 | E 7 | E 7 | ENE 7 | ENE 7 | NNE 7 | W 10 | S 11 | S 11 | S 13 | WNW 10 | SSE 14 | S 13 | NW 14 | SSE 12 | WNW 11 | S 12 | SSE 14 | SSE 13 | SSE 13 | SSE 11 | ESE 9 | SSE 13 | SSE 13 |
| kJ | 28 | 68 | 49 | 37 | 57 | 41 | 32 | 37 | 20 | 54 | 33 | 67 | 28 | 51 | 29 | 37 | 46 | 67 | 59 | 59 | 25 | 47 | 35 | 57 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | ENE 7 | ENE 6 | ENE 6 |
| kJ | — | — | — | — | — | — | 91 | 149 | 157 | 152 | 157 | 186 | 240 | 262 | 293 | 311 | 355 | 366 | 366 | 320 | 278 | 214 | 205 | 205 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 9 | 5 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 5 | 9 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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