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Sandy Beach Surf Forecast
/ HAW – Oahu (122 breaks) / Hawaii (267 breaks) /
Surf Forecasts:
Sandy Beach surfForecast / HAW – Oahu / USA
12 Day Weather and Surf, issued 7 am Saturday 21 Feb 2026 HSTForecast update in hr min s Forecast update imminent
Sandy Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Sandy Beach sea temperature is
24.4° C
(Which is normal for this time of year)Best Forecast Surf Conditions for Sandy Beach this week:
The surf forecast for Sandy Beach over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Feb 21) at 11AM. The primary swell is predicted to be 1.9m and 9s period with a secondary swell of 0.6m and 11s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Sandy Beach in the next 12 days are 2.5m 15s and forecast to arrive on Monday (Feb 23) at 11PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.9m 13s period and expected on Wednesday (Feb 25) at 2AM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11AM (Sat 21st Feb) | 6ft (1.9m) 9s |
| Best Surf | 11AM (Sat 21st Feb) | 6ft (1.9m) 9s |
| Most Powerful | 11PM (Mon 23rd Feb) | 8ft (2.5m) 15s |
Table - best surf conditions forecast for Sandy Beach over the next 12 days.
Updates in hr min s Forecast update imminent
Short Range Forecast Heavy rain (total 22mm), heaviest during Sat morning. Warm (max 23°C on Sun afternoon, min 21°C on Sat morning). Wind will be generally light. | Days 3-6 Weather Summary Light rain (total 8mm), mostly falling on Tue morning. Warm (max 21°C on Tue morning, min 20°C on Wed night). Winds decreasing (strong winds from the ENE on Tue night, light winds from the E by Thu night). | ||||||||||||||||||||
Saturday 21 | Sunday 22 | Monday 23 | Tuesday 24 | Wednesday 25 | Thursday 26 | Friday 27 | |||||||||||||||
| AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Rating (10 max) | |||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
| Wave Height (m) & direction (?) | |||||||||||||||||||||
| Period(s) (?) | 9 | 9 | 9 | 9 | 9 | 9 | 16 | 15 | 15 | 15 | 14 | 7 | 13 | 12 | 12 | 13 | 12 | 12 | 12 | 11 | 10 |
Wave (?)Graph  | |||||||||||||||||||||
 kJ (?) | 585 | 539 | 287 | 381 | 155 | 73 | 454 | 1248 | 3072 | 2951 | 2907 | 299 | 901 | 703 | 589 | 514 | 373 | 328 | 361 | 302 | 179 |
Wind (km/h) | |||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | cross- off | cross- on | cross- off | cross- off | cross | cross | cross | cross- on | cross | cross- on | cross | cross | cross | cross | cross- on | cross | cross- on | cross- on | cross | cross- on |
High Tide / height (m) | 6:45PM 0.47 | 5:43AM 0.27 | 7:56PM 0.50 | 6:20AM 0.19 | 9:16PM 0.53 | 7:43AM 0.12 | 10:34PM 0.56 | 10:16AM 0.10 | 11:39PM 0.60 | 11:47AM 0.12 | 12:32AM 0.62 | 12:44PM 0.16 | 1:18AM 0.64 | ||||||||
Low Tide / height (m) | 11:53AM -0.05 | 1:22AM 0.15 | 12:28PM -0.05 | 3:33AM 0.16 | 1:13PM -0.04 | 6:10AM 0.12 | 2:18PM -0.03 | 7:07AM 0.06 | 3:43PM -0.02 | 7:41AM 0.02 | 5:05PM -0.04 | 8:11AM -0.01 | 6:11PM -0.06 | ||||||||
Saturday 21 | Sunday 22 | Monday 23 | Tuesday 24 | Wednesday 25 | Thursday 26 | Friday 27 | |||||||||||||||
| Sunrise | 6:56 | - | - | 6:56 | - | - | 6:54 | - | - | 6:54 | - | - | 6:54 | - | - | 6:52 | - | - | 6:52 | - | - |
| Sunset | - | 6:30 | - | - | 6:30 | - | - | 6:31 | - | - | 6:31 | - | - | 6:32 | - | - | 6:32 | - | - | 6:34 | - |
 |  |  |  |  | | | | | | |  |  | |  | | | | | | | |
Rain (mm) | 7 | 1 | 5 | - | 1 | 2 | 1 | 2 | 3 | 4 | 3 | 1 | - | - | - | - | - | - | - | - | - |
| Temp. °C | 21 | 22 | 22 | 22 | 23 | 22 | 21 | 22 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 22 | 22 |
| Feels °C (?) | 24 | 22 | 23 | 23 | 24 | 23 | 21 | 21 | 19 | 20 | 17 | 15 | 17 | 16 | 16 | 17 | 17 | 18 | 22 | 20 | 20 |
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Live Wave Height (m)
Live Wind Speed (km/h)
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 Sandy 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.
Information about the Sandy Beach Surf forecast
The above surf forecast table for Sandy Beach provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Sandy Beach can be found by selecting the local surf guide option on the grey menu. Our Sandy 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 (Sandy 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 Sandy 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.
Sandy's Beach is 15 km (9 miles) from the city of Kailua. If you plan a vacation in Oahu, look for hotels and other accommodation in Kailua. Kailua has rooms for a wide range of budgets as well as car hire and transport links.
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