Surf Forecasts:
How big are the waves at Army Beach today (21 Sep):
- Afternoon surf: Afternoon surf (21 Sep, local time) - 0.5ft (0.2m), 11s period with W swell.
- Evening surf: Evening surf (21 Sep, local time) - 0.5ft (0.2m), 15s period with N swell.
The current surf forecast for Army Beach at 11PM is: 0.3m 14s primary swell from a North direction (forecast issued at 07:00pm September 21). An open ocean swell of 0.9m 13s 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 Sep) | - | - |
| Afternoon (21 Sep) | 0.5ft (0.2m) | 11s |
| Evening (21 Sep) | 0.5ft (0.2m) | 15s |
Table - waves today at Army Beach. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 28°C on Tue morning, min 25°C on Wed night). Wind will be generally light. | |||||||||||||||||||
Mon 21 | Tuesday 22 | Wednesday 23 | |||||||||||||||||
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) | NNW 12 | N 15 | N 14 | N 13 | N 13 | NNW 12 | NNW 12 | NNW 12 | NNW 11 | NNW 11 | NNW 11 | NNW 11 | NNW 10 | SW 17 | SW 17 | NNW 10 | NNW 10 | NNW 10 | NNW 10 |
Wave Graph  | |||||||||||||||||||
 kJ | 14 | 17 | 36 | 55 | 121 | 152 | 189 | 183 | 164 | 158 | 158 | 150 | 108 | 148 | 145 | 104 | 100 | 100 | 74 |
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-off | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide | 1:04AM0.28m | 1:19PM0.61m | 1:36AM0.33m | 1:46PM0.60m | |||||||||||||||
Low Tide | 8:16PM0.16m | 6:01AM0.15m | 8:23PM0.15m | 6:52AM0.14m | 8:33PM0.14m | ||||||||||||||
 |  | |  | | |  | | | | | | | | | | | | | |
 | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — |
 | 6:30 | — | — | — | — | — | — | — | 6:29 | — | — | — | — | — | — | — | 6:28 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 26 | 26 | 26 | 26 | 28 | 28 | 28 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 26 | 26 |
Feels °C | 24 | 26 | 27 | 27 | 27 | 27 | 29 | 28 | 29 | 26 | 27 | 27 | 26 | 26 | 27 | 26 | 26 | 25 | 26 |
Swell 1 Height (m) Direction Period (s) | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | NNW 12 | NNW 12 | NNW 11 | NNW 11 | NNW 11 | NNW 11 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 |
| kJ | 304 | 299 | 295 | 232 | 229 | 229 | 189 | 183 | 164 | 158 | 158 | 150 | 108 | 118 | 116 | 104 | 100 | 100 | 74 |
Swell 2 Height (m) Direction Period (s) | NNW 12 | W 11 | N 14 | N 13 | N 13 | NNW 12 | SSW 13 | SSW 13 | SSW 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | SSW 16 | SSW 16 |
| kJ | 14 | 9 | 36 | 55 | 121 | 152 | 173 | 218 | 160 | 144 | 144 | 106 | 146 | 106 | 113 | 110 | 106 | 166 | 166 |
Swell 3 Height (m) Direction Period (s) | W 11 | N 15 | W 11 | W 13 | W 13 | SSW 19 | SSW 19 | SW 19 | SW 19 | SW 17 | SW 17 | SSW 17 | SSW 17 | SW 17 | SW 17 | SSW 17 | SSW 16 | S 12 | S 12 |
| kJ | 9 | 17 | 9 | 13 | 13 | 35 | 36 | 58 | 92 | 72 | 74 | 117 | 119 | 148 | 145 | 190 | 171 | 106 | 106 |
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 | E 8 | E 8 | E 9 | E 9 | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 |
| kJ | 376 | 385 | 376 | 353 | 322 | 322 | 330 | 330 | 402 | 439 | 500 | 635 | 694 | 669 | 683 | 602 | 602 | 565 | 495 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 16 | 12 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 9 | 5 |
Best forecast wave conditions in Oahu | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
Header Global | |||||||||||||||||||
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