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Sandy Beach Surf Forecast
/ HAW – Oahu (122 breaks) / Hawaii (267 breaks) /
Sandy Beach surfForecast / HAW – Oahu / USA
12 Day Weather and Surf, issued 1 am Saturday 19 Jul 2025 HST
Best Forecast Surf Conditions for Sandy Beach this week:
The most powerful waves expected at Sandy Beach in the next 12 days are 1.4m 9s and forecast to arrive on Saturday (Jul 19) at 8AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 16s period and expected on Saturday (Jul 19) at 8AM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 8AM (Sat 19th Jul) | 4.5ft (1.4m) 9s |
Table - best surf conditions forecast for Sandy Beach over the next 12 days.
Short Range Forecast Mostly dry. Warm (max 25°C on Sat morning, min 24°C on Mon night). Mainly fresh winds. | Days 3-6 Weather Summary Mostly dry. Warm (max 26°C on Tue morning, min 24°C on Wed night). Mainly fresh winds. | ||||||||||||||||||||
Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | Friday 25 | |||||||||||||||
| 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) (?) | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 6 | 6 | 9 | 7 | 6 | 7 | 6 | 6 | 7 | 6 | 6 | 6 | 6 |
Wave (?)Graph  | |||||||||||||||||||||
| Energy (?) | 470 | 299 | 306 | 257 | 356 | 269 | 230 | 185 | 234 | 406 | 225 | 324 | 268 | 246 | 213 | 352 | 246 | 229 | 342 | 308 | 195 |
Wind (km/h) | |||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross- on | cross | cross | cross- on | cross- on | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross | cross | cross | cross | cross |
High Tide / height (m) | 11:34AM 0.66 | 10:11PM 0.22 | 12:26PM 0.72 | 11:39PM 0.19 | 1:15PM 0.76 | 12:48AM 0.18 | 2:00PM 0.79 | 1:44AM 0.20 | 2:43PM 0.79 | 2:34AM 0.22 | 3:22PM 0.77 | 3:20AM 0.25 | 3:59PM 0.74 | 4:07AM 0.28 | |||||||
Low Tide / height (m) | 7:31PM 0.19 | 4:38AM -0.03 | 8:26PM 0.13 | 5:32AM -0.04 | 9:08PM 0.09 | 6:27AM -0.05 | 9:44PM 0.07 | 7:19AM -0.05 | 10:18PM 0.05 | 8:07AM -0.05 | 10:50PM 0.05 | 8:54AM -0.02 | 11:21PM 0.05 | ||||||||
Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | Friday 25 | |||||||||||||||
| Sunrise | 5:58 | - | - | 5:58 | - | - | 5:58 | - | - | 6:00 | - | - | 6:00 | - | - | 6:00 | - | - | 6:01 | - | - |
| Sunset | - | 7:14 | - | - | 7:14 | - | - | 7:14 | - | - | 7:13 | - | - | 7:13 | - | - | 7:13 | - | - | 7:12 | - |
 |  |  | | | | |  | | | | | | | | | |  | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 25 | 26 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 24 |
| Feels °C (?) | 25 | 23 | 24 | 25 | 23 | 23 | 24 | 24 | 22 | 24 | 23 | 23 | 24 | 21 | 23 | 22 | 23 | 21 | 22 | 21 | 22 |
- Map Icons:
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for HAW - Oahu
Continuing clean conditions at Sandy Beach (calm at Maunalani Heights wx 12 km from Sandy Beach). 1.2m 9s swell from the ENE with a 0.5m 8s swell from the ESE and a 0.4m 10s swell from the SSE as well as a 0.3m 12s groundswell from the S. Swells combining to make to make bigger set waves.
1 h 20 min ago
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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