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Surf Forecasts:
Army Beach surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 7 am Sunday 31 May 2026 HSTForecast update in hr min s Forecast update imminent
Army Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Army Beach sea temperature is
25.2° C
(Which is normal for this time of year)How big are the waves at Army Beach today (31 May):
- Morning surf: Morning surf (31 May, local time) - 3ft (0.9m), 7s period with NE swell.
- Afternoon surf: Afternoon surf (31 May, local time) - 1.5ft (0.5m), 8s period with N swell.
- Evening surf: Evening surf (31 May, local time) - 2ft (0.6m), 11s period with N swell.
The current surf forecast for Army Beach at 3PM is: 0.5m 8s primary swell from a North direction (forecast issued at 07:00am May 31). An open ocean swell of 0.8m 15s is not directed at the surf break, a second open ocean swell of 0.6m 8s is not directed at the surf break, a second open ocean swell of 0.9m 7s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 May) | 3ft (0.9m) | 7s |
| Afternoon (31 May) | 1.5ft (0.5m) | 8s |
| Evening (31 May) | 2ft (0.6m) | 11s |
Table - waves today at Army Beach. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Sun afternoon. Warm (max 26°C on Tue afternoon, min 23°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 31 | Monday 1 | Tuesday 2 | Wed 3 | |||||||||||||||||||||
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 | 2 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
NNW 9 | NNW 9 | NE 7 | N 8 | N 8 | N 11 | N 11 | N 10 | N 10 | N 10 | NNW 10 | N 10 | N 9 | N 9 | SSW 17 | S 16 | S 20 | NNW 9 | NNW 12 | NNW 12 | NNW 11 | NNW 11 | NNW 10 | NNW 10 | |
66 | 48 | 64 | 33 | 32 | 85 | 82 | 73 | 96 | 94 | 75 | 67 | 61 | 60 | 0 | 0 | 0 | 26 | 115 | 179 | 202 | 191 | 136 | 140 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross-off | cross-on | cross | cross | cross | cross | cross | cross | cross-off | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-off | cross-off | |
High Tide | 2:19AM0.23m | 4:17PM0.70m | 2:49AM0.21m | 4:53PM0.69m | 3:17AM0.20m | 5:31PM0.68m | ||||||||||||||||||
Low Tide | 8:12AM0.04m | 00:21AM0.20m | 8:43AM0.04m | 1:13AM0.20m | 9:14AM0.05m | |||||||||||||||||||
 |  |  | |  |  | | | | | | | | | | | | | | | | | | | |
 | 5:48 | — | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — | 5:48 |
 | — | — | — | — | 7:10 | — | — | — | — | — | — | — | 7:10 | — | — | — | — | — | — | — | 7:12 | — | — | 7:12 |
— | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 23 | 24 | 24 | 25 | 24 | 24 | 23 | 23 | 23 | 24 | 25 | 25 | 25 | 24 | 24 | 24 | 23 | 24 | 25 | 26 | 25 | 24 | 24 | 24 |
23 | 25 | 26 | 26 | 25 | 24 | 23 | 23 | 23 | 25 | 26 | 25 | 25 | 23 | 24 | 24 | 23 | 24 | 25 | 25 | 24 | 24 | 25 | 25 | |
Swell 1 Height (m) Direction Period (s) | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | S 18 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | S 16 | S 16 | SSW 16 | SSW 16 | S 16 | S 16 | SSW 18 | SSW 18 | SSW 18 |
 kJ | 411 | 400 | 380 | 292 | 284 | 280 | 276 | 276 | 273 | 273 | 413 | 528 | 522 | 516 | 499 | 548 | 535 | 661 | 661 | 762 | 503 | 1259 | 1081 | 919 |
Swell 2 Height (m) Direction Period (s) | NNW 9 | E 8 | E 8 | E 8 | E 8 | N 11 | N 11 | S 19 | S 19 | S 19 | SSW 14 | SSW 14 | SSW 13 | S 13 | S 13 | S 21 | S 20 | S 20 | S 20 | SSW 20 | S 19 | NNW 11 | NNW 10 | NNW 10 |
| kJ | 66 | 42 | 58 | 42 | 41 | 85 | 82 | 369 | 361 | 350 | 207 | 192 | 139 | 125 | 125 | 441 | 515 | 611 | 611 | 634 | 736 | 191 | 136 | 140 |
Swell 3 Height (m) Direction Period (s) | N 8 | NNW 9 | NNW 9 | N 8 | N 8 | E 8 | S 20 | N 10 | N 10 | N 10 | NNW 10 | N 10 | N 9 | N 9 | S 21 | S 13 | S 13 | NNW 9 | NNW 12 | NNW 12 | NNW 11 | — | SSW 14 | SSW 14 |
| kJ | 20 | 48 | 47 | 33 | 32 | 29 | 194 | 73 | 96 | 94 | 75 | 67 | 61 | 60 | 332 | 125 | 126 | 26 | 115 | 179 | 202 | — | 280 | 276 |
Wind waves Height (m) Direction Period (s) | ENE 8 | ENE 7 | NE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | E 6 |
| kJ | 128 | 96 | 64 | 84 | 70 | 70 | 86 | 96 | 123 | 123 | 143 | 140 | 147 | 139 | 125 | 90 | 127 | 131 | 140 | 154 | 159 | 170 | 182 | 200 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 5 | 5 | 8 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 8 | 12 | 5 | 8 | 5 | 5 | 9 | 5 | 5 | 0 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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