Surf Forecasts:
Sandy Beach surf forecast from 4 Jul 2026:
- Most powerful swell: Tuesday 7 Jul, 5AM (local time) - 7.5ft (2.3m), 8s period, ENE swell with 576 kJ wave energy.
Best Forecast Surf Conditions for Sandy Beach this week:
The most powerful waves expected at Sandy Beach in the next 16 days are 2.3m 8s and forecast to arrive on Tuesday (Jul 07) at 5AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 15s period and expected on Saturday (Jul 04) at 8PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 5AM (Tue 7th Jul) | 7.5ft (2.3m) 8s |
Table - best surf conditions forecast for Sandy Beach over the next 16 days.
Updates in hr min s Forecast update imminent
Alright, Rusty here again, giving it to you in feet and miles. Let's break it down.
Honestly, Sandy Beach is looking at a rough couple of weeks. The water's a pleasant 80°, which is normal for July, but the wind is the real problem.
Starting Saturday the 4th of July all the way through to Saturday the 18th of July, it's a tough watch. The wind is screaming out of the ENE at 18 to 25 mph, and it's cross-shore the entire time. That means the surface is going to be bumpy and messy with a cross-chop – no good for clean surfing. Even when we get some size, like on Sunday the 5th with waves around 7 ft from the ENE, it's a choppy, short-period 7-second windswell with moderate energy (910). That setup is way better for a kite than a paddle board. A few days, like Monday the 6th and Tuesday the 7th, see the swell jump over 7 ft and even up to 7 ft, but with that strong side-wind and short period, you'd want to be an expert just to survive the paddle out. The combined energy sits in the moderate range, hitting 897 and 809, but it's ugly, blown-out energy.
There is no single day that stands out in the whole 16-day window. It's a solid two weeks of "poor surf conditions" on the charts, with every day getting a zero for quality. For a place like Sandy Beach, when those trade winds lock in like this, a long blank spell is just the reality of the situation.
Rusty.
Short Range ForecastSome drizzle, heaviest during Mon night. Warm (max 25°C on Sat afternoon, min 24°C on Sat morning). Mainly strong winds. | Days 4-6 Weather SummaryMostly dry. Warm (max 25°C on Wed afternoon, min 24°C on Tue morning). Mainly strong winds. | ||||||||||||||||||||
Saturday 4 | Sunday 5 | Monday 6 | Tuesday 7 | Wednesday 8 | Thursday 9 | Friday 10 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | ENE 8 | S 20 | SSW 19 | SSW 18 | SSW 18 | SSW 16 | ENE 7 | ENE 8 | ENE 7 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 326 | 377 | 486 | 418 | 412 | 371 | 456 | 487 | 498 | 419 | 531 | 482 | 327 | 286 | 312 | 286 | 310 | 236 | 325 | 344 | 456 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-on | cross | cross | cross | cross | cross | cross |
High Tide | 6:04PM0.58m | 7:31AM0.29m | 6:38PM0.51m | 8:45AM0.37m | 7:16PM0.44m | 9:53AM0.45m | 8:03PM0.36m | 10:53AM0.55m | 9:06PM0.28m | 11:46AM0.64m | 10:28PM0.22m | 12:36PM0.72m | 11:48PM0.19m | ||||||||
Low Tide | 11:08AM0.12m | 1:41AM0.04m | 12:14PM0.19m | 2:11AM0.02m | 1:48PM0.25m | 2:44AM0.01m | 3:55PM0.27m | 3:22AM-0.01m | 6:02PM0.24m | 4:05AM-0.03m | 7:30PM0.18m | 4:54AM-0.05m | 8:27PM0.12m | ||||||||
 | |  | | | | | |  | | |  |  | | | | | | | | | |
 | 5:52 | — | — | 5:52 | — | — | 5:54 | — | — | 5:54 | — | — | 5:54 | — | — | 5:54 | — | — | 5:54 | — | — |
 | — | 7:15 | — | — | 7:15 | — | — | 7:15 | — | — | 7:15 | — | — | 7:15 | — | — | 7:15 | — | — | 7:15 | — |
mm | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | 3 |
Temp °C | 24 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 24 | 25 | 25 | 24 | 25 | 25 | 24 |
Feels °C | 21 | 23 | 21 | 21 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 23 | 22 | 21 | 23 | 23 | 22 |
Swell 1 Height (m) Direction Period (s) | SSW 16 | S 20 | SSW 19 | SSW 18 | SSW 18 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | S 13 | S 12 | S 12 | ENE 7 | S 12 | W 13 | SW 19 |
| kJ | 212 | 377 | 486 | 418 | 408 | 371 | 337 | 402 | 284 | 280 | 273 | 195 | 192 | 187 | 125 | 112 | 112 | 236 | 71 | 56 | 184 |
Swell 2 Height (m) Direction Period (s) | S 21 | SSW 16 | SSW 15 | SSW 14 | SSW 14 | SSW 13 | SSE 9 | SSE 9 | SSE 9 | SSE 8 | SE 8 | SE 10 | SSE 8 | SSE 8 | W 15 | W 16 | W 14 | S 12 | W 13 | SSW 11 | W 13 |
| kJ | 326 | 162 | 188 | 138 | 79 | 34 | 8 | 8 | 7 | 7 | 3 | 4 | 6 | 6 | 17 | 20 | 36 | 75 | 55 | 42 | 56 |
Swell 3 Height (m) Direction Period (s) | SSW 16 | SSW 11 | E 9 | SSE 11 | SSE 11 | SSE 10 | SSW 13 | W 10 | NW 9 | N 9 | S 10 | — | W 19 | S 18 | SSE 8 | SSE 8 | SSE 8 | W 14 | SSW 21 | SW 21 | S 12 |
| kJ | 25 | 23 | 14 | 11 | 11 | 9 | 17 | 2 | 3 | 2 | 2 | — | 7 | 6 | 7 | 6 | 6 | 35 | 45 | 68 | 42 |
Wind waves Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 7 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | — | ENE 7 | ENE 7 | ENE 7 |
| kJ | 302 | 285 | 294 | 362 | 412 | 344 | 456 | 487 | 498 | 419 | 531 | 482 | 327 | 286 | 312 | 286 | 310 | — | 325 | 344 | 456 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 48 | 55 | 47 | 55 | 63 | 55 | 57 | 111 | 55 | 57 | 61 | 47 | 48 | 55 | 47 | 47 | 59 | 49 | 47 | 57 | 47 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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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 16 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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