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 5AM is: 0.9m 6s primary swell from a Northeast direction (forecast issued at 01:00am August 20). An open ocean swell of 0.8m 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 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 morning, min 25°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 20 | Friday 21 | Saturday 22 | ||||||||||||||||||||||
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 6 | NE 6 | NE 6 | SW 18 | NE 7 | W 10 | W 10 | W 10 | NNE 6 | SSW 17 | NE 7 | NE 7 | NE 7 | NE 7 | NNE 7 | W 10 | W 10 | WNW 10 | WNW 10 | W 10 | W 12 | W 12 | NW 14 | WNW 13 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 58 | 68 | 68 | 249 | 105 | 56 | 50 | 47 | 34 | 0 | 50 | 47 | 47 | 46 | 32 | 31 | 31 | 33 | 35 | 31 | 73 | 69 | 63 | 129 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross-on | cross-on | cross-on | cross | cross-off | cross-off | 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 | 1:41AM0.13m | 2:50AM0.14m | 4:17AM0.13m | 9:28PM0.19m | ||||||||||||||||||||
 | |  | |  | | | | | | | | | | | | | | | | | | | | |
 | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:59 | — | — | — | — | — | — | — | 6:58 | — | — | — | — | — | — | — | 6:58 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 25 | 26 | 27 | 27 | 27 | 27 | 26 | 25 | 25 | 26 | 27 | 26 | 27 | 27 | 26 | 26 | 26 | 26 | 28 | 28 | 27 | 26 | 26 |
Feels °C | 27 | 27 | 29 | 30 | 29 | 29 | 29 | 30 | 29 | 28 | 30 | 31 | 30 | 32 | 31 | 28 | 28 | 28 | 27 | 30 | 28 | 27 | 26 | 26 |
Swell 1 Height (m) Direction Period (s) | NE 6 | NE 6 | NE 6 | NE 7 | NE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | NE 7 | SSW 17 | SW 17 | SW 17 | SW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SW 16 | SW 16 | SW 16 | SW 16 |
| kJ | 58 | 68 | 68 | 73 | 105 | 160 | 164 | 142 | 89 | 119 | 368 | 295 | 284 | 264 | 322 | 322 | 322 | 322 | 326 | 326 | 258 | 255 | 251 | 248 |
Swell 2 Height (m) Direction Period (s) | SSW 16 | E 8 | E 8 | E 8 | SSW 18 | SSW 17 | SSW 17 | SW 16 | SW 16 | SSW 17 | E 7 | E 7 | E 7 | NE 7 | NNE 7 | W 10 | W 10 | S 13 | S 13 | W 10 | W 12 | W 12 | W 11 | WNW 13 |
| kJ | 175 | 84 | 60 | 58 | 207 | 202 | 184 | 271 | 274 | 360 | 49 | 51 | 52 | 46 | 32 | 31 | 31 | 54 | 90 | 31 | 73 | 69 | 63 | 129 |
Swell 3 Height (m) Direction Period (s) | S 12 | SSW 17 | SSW 18 | SW 18 | E 8 | W 10 | W 10 | W 10 | NNE 6 | S 11 | NE 7 | NE 7 | NE 7 | W 10 | W 10 | S 11 | S 11 | WNW 10 | WNW 10 | SSE 14 | S 10 | SSE 12 | NW 14 | S 12 |
| kJ | 69 | 190 | 204 | 249 | 43 | 56 | 50 | 47 | 34 | 37 | 50 | 47 | 47 | 31 | 32 | 37 | 20 | 33 | 35 | 67 | 17 | 30 | 47 | 46 |
Wind waves Height (m) Direction Period (s) | E 8 | — | — | — | — | NE 7 | — | — | — | — | — | — | — | E 7 | E 7 | ENE 7 | ENE 7 | ENE 7 | ENE 6 | ENE 7 | E 6 | E 6 | E 7 | E 7 |
| kJ | 104 | — | — | — | — | 49 | — | — | — | — | — | — | — | 70 | 77 | 124 | 139 | 131 | 143 | 175 | 220 | 247 | 262 | 284 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 5 | 5 | 5 | 8 | 5 | 9 | 5 | 5 | 5 | 5 | 0 | 8 | 5 | 0 | 0 | 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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