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Army Beach surfForecast / HAW – Oahu / USA
12 Day Weather and Surf, issued 1 pm Saturday 20 Dec 2025 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
25.7° C
(Which is slightly warmer than usual)Best Forecast Surf Conditions for Army Beach this week:
The surf forecast for Army Beach over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Dec 21) at 5AM. The primary swell is predicted to be 1.7m and 12s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Army Beach in the next 12 days are 2.0m 13s and forecast to arrive on Saturday (Dec 20) at 8PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.1m 7s period and expected on Monday (Dec 22) at 11PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Sun 21st Dec) | 5.5ft (1.7m) 12s |
| Best Surf | 5AM (Sun 21st Dec) | 5.5ft (1.7m) 12s |
| Most Powerful | 8PM (Sat 20th Dec) | 6.5ft (2.0m) 13s |
Table - best surf conditions forecast for Army Beach over the next 12 days.
Updates in hr min s Forecast update imminent
Short Range Forecast Light rain (total 4mm), mostly falling on Sat night. Warm (max 26°C on Sun afternoon, min 23°C on Mon night). Wind will be generally light. | Days 3-6 Weather Summary Mostly dry. Warm (max 24°C on Tue afternoon, min 22°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||
Sat 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | Friday 26 | |||||||||||||||||
| PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | |||
Rating (10 max) | |||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||||
| Wave Height (m) & direction (?) | |||||||||||||||||||||||
| Period(s) (?) | 13 | 12 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 9 | 9 | 11 | 10 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 10 | ||
Wave (?)Graph  | |||||||||||||||||||||||
 kJ (?) | 1367 | 870 | 652 | 556 | 467 | 449 | 319 | 240 | 276 | 450 | 594 | 286 | 236 | 447 | 478 | 522 | 455 | 447 | 297 | 373 | 218 | ||
Wind (km/h) | |||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | cross | cross- off | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross- off | glass | ||
High Tide / height (m) | 2:50PM 0.21 | 4:47AM 0.72 | 3:27PM 0.20 | 5:20AM 0.71 | 4:14PM 0.20 | 5:51AM 0.69 | 5:19PM 0.21 | 6:22AM 0.66 | 6:47PM 0.23 | 6:51AM 0.61 | 8:42PM 0.28 | 7:19AM 0.55 | 10:32PM 0.37 | 7:47AM 0.48 | |||||||||
Low Tide / height (m) | 8:40PM 0.02 | 12:50PM 0.18 | 9:12PM 0.03 | 1:25PM 0.18 | 9:43PM 0.06 | 1:56PM 0.17 | 10:16PM 0.11 | 2:22PM 0.16 | 10:53PM 0.18 | 2:46PM 0.15 | 11:45PM 0.26 | 3:11PM 0.12 | 1:40AM 0.35 | ||||||||||
Sat 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | Friday 26 | |||||||||||||||||
| Sunrise | - | - | 7:05 | - | - | 7:05 | - | - | 7:07 | - | - | 7:07 | - | - | 7:07 | - | - | 7:07 | - | - | 7:09 | ||
| Sunset | 5:53 | - | - | 5:54 | - | - | 5:54 | - | - | 5:55 | - | - | 5:57 | - | - | 5:57 | - | - | 5:58 | - | - | ||
 |  | | |  | | |  |  | |  | | | | | | | | | | | |||
Rain (mm) | - | 4 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | ||
| Temp. °C | 25 | 25 | 25 | 26 | 25 | 25 | 25 | 24 | 24 | 24 | 23 | 24 | 24 | 23 | 23 | 24 | 24 | 24 | 25 | 23 | 24 | ||
| Feels °C (?) | 29 | 28 | 26 | 28 | 26 | 25 | 25 | 23 | 22 | 22 | 21 | 24 | 24 | 21 | 23 | 25 | 24 | 24 | 24 | 22 | 26 | ||
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Live Wave Height (m)
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Army Beach surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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Information about the Army Beach Surf forecast
The above surf forecast table for Army Beach provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Army Beach can be found by selecting the local surf guide option on the grey menu. Our Army Beach surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Army Beach) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Army Beach may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Army Beach is 21 km (13 miles) from Wahiawa. If you plan a vacation in Oahu, look for hotels and other accommodation in Wahiawa. Wahiawa has rooms for a wide range of budgets as well as car hire and transport links.
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