Surf Forecasts:
Sandtracks surf forecast from 18 Jul 2026:
- Best quality surf: Tuesday 21 Jul, 5AM (local time) - 3ft (0.9m), 15s period, S swell with cross-offshore winds.
- Most powerful swell: Saturday 25 Jul, 8AM (local time) - 3.5ft (1.0m), 19s period, SSW swell with 804 kJ wave energy.
- Next surfable swell (1★+): Tuesday 21 Jul, 5AM (local time) - 3ft (0.9m), 15s period with S swell.
Best Forecast Surf Conditions for Sandtracks this week:
The surf forecast for Sandtracks over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Jul 21) at 5AM. The primary swell is predicted to be 0.9m and 15s period with a secondary swell of 0.8m and 7s. Another secondary swell of 0.9m and 7s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Sandtracks in the next 16 days are 1.0m 19s and forecast to arrive on Saturday (Jul 25) at 8AM. 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 13s period and expected on Saturday (Jul 18) at 11AM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Tue 21st Jul) | 3ft (0.9m) 15s |
| Best Surf | 5AM (Tue 21st Jul) | 3ft (0.9m) 15s |
| Most Powerful | 8AM (Sat 25th Jul) | 3.5ft (1.0m) 19s |
Table - best surf conditions forecast for Sandtracks over the next 16 days.
The Lowdown
Alright, Rusty here. Let’s take a look at Sandtracks.
First up, it’s a rough start. For the opening week and a half, the wind is a constant problem. Strong cross-shore breezes every day, and the waves are getting chopped up. Swell energy sits in the moderate range (447–630), but with that easterly wind blowing 25–40 km/h, it’s just messy cross-chop. Not worth suiting up. Water temp’s about 80°F, pretty normal for this time of year.
Things start shifting around the 26th of July. A longer-period groundswell starts filling in. On Sunday the 26th, the morning has a moderate cross-shore breeze and a 4ft east swell with a 17-second period. Energy jumps (combined energy 1578). Not clean yet, but the afternoon turns better—cross-offshore breeze, 5ft east swell at 16 seconds. That’s the first real window.
Monday the 27th gets bigger: 7ft east swell at 16 seconds (combined energy 2278). That’s a strong, powerful groundswell. But still cross-shore wind, so there’s chop. It’s over 5ft, so not for beginners.
The real gem is Tuesday the 28th afternoon. Winds drop to just 9 mph from the northeast, cross-offshore and light. Swell holds at 6ft from the east at 13 seconds. Conditions clean right up. Energy strong at 1337. That’s your session. For experienced surfers, that’s as good as it gets in this forecast.
After that, it fades fast. Wednesday the 29th drops to 5ft with cross-shore wind again, and from the 30th onward it’s mostly poor surf with short-period junk or onshore wind. The 31st throws up a 6ft easterly wind swell but with only a 6-second period—all bump, no drive. Skip it.
So, long wait, but the last week of July delivers. Tuesday the 28th afternoon is the one to chase.
Rusty.
Short Range ForecastMostly dry. Warm (max 27°C on Sun afternoon, min 24°C on Sat night). Winds decreasing (fresh winds from the ENE on Sat morning, light winds from the NE by Mon night). | Days 4-6 Weather SummaryMostly dry. Warm (max 28°C on Tue afternoon, min 24°C on Tue night). Mainly fresh winds. | ||||||||||||||||||||
Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | |||||||||||||||
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) | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 | S 16 | S 16 | S 15 | S 14 | S 14 | S 13 | SSW 24 | SSW 23 | ENE 12 | SSW 20 | SSW 20 | SSW 18 | SSW 18 | SSW 17 | S 20 |
Wave Graph  | |||||||||||||||||||||
 kJ | 243 | 287 | 223 | 213 | 190 | 182 | 193 | 407 | 343 | 329 | 311 | 342 | 437 | 426 | 609 | 561 | 395 | 616 | 329 | 428 | 408 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide | 6:44PM0.60m | 8:16AM0.46m | 7:10PM0.51m | 9:31AM0.50m | 7:31PM0.43m | 10:46AM0.54m | 7:33PM0.36m | 11:52AM0.59m | 12:45PM0.63m | 10:43PM0.26m | 1:30PM0.66m | 00:28AM0.25m | |||||||||
Low Tide | 12:16PM0.22m | 1:44AM0.11m | 1:23PM0.30m | 2:15AM0.11m | 3:02PM0.36m | 2:48AM0.12m | 6:02PM0.36m | 3:27AM0.12m | 4:16AM0.12m | 9:32PM0.26m | 5:13AM0.11m | 9:33PM0.22m | |||||||||
 | |  | | | | | | | | | |  | |  | | | | | | | |
 | 5:58 | — | — | 6:00 | — | — | 6:00 | — | — | 6:01 | — | — | 6:01 | — | — | 6:01 | — | — | 6:01 | — | — |
 | — | 7:15 | — | — | 7:15 | — | — | 7:15 | — | — | 7:15 | — | — | 7:15 | — | — | 7:15 | — | — | 7:14 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 24 | 26 | 27 | 25 | 26 | 27 | 25 | 27 | 28 | 25 | 26 | 26 | 25 | 26 | 27 | 25 | 26 | 27 | 25 |
Feels °C | 22 | 22 | 22 | 23 | 24 | 24 | 24 | 25 | 24 | 26 | 26 | 24 | 23 | 23 | 23 | 23 | 24 | 23 | 23 | 24 | 23 |
Swell 1 Height (m) Direction Period (s) | SSW 13 | SSW 14 | SSW 12 | SSW 13 | S 13 | SSW 11 | S 16 | S 16 | E 7 | S 14 | S 14 | S 13 | S 13 | SSW 23 | E 12 | SSW 20 | SSW 20 | SSW 18 | SSW 18 | SSW 17 | SSW 16 |
| kJ | 187 | 210 | 121 | 129 | 126 | 71 | 193 | 407 | 106 | 329 | 311 | 342 | 173 | 426 | 416 | 561 | 395 | 616 | 329 | 428 | 298 |
Swell 2 Height (m) Direction Period (s) | W 13 | W 13 | WNW 12 | S 19 | S 18 | S 18 | S 13 | SW 18 | S 15 | SW 17 | SSW 16 | E 13 | S 11 | S 13 | S 13 | S 12 | S 11 | S 11 | S 12 | S 12 | S 20 |
| kJ | 87 | 87 | 52 | 66 | 107 | 152 | 121 | 80 | 343 | 73 | 103 | 84 | 82 | 125 | 206 | 132 | 121 | 55 | 187 | 141 | 408 |
Swell 3 Height (m) Direction Period (s) | SE 8 | SSE 9 | SE 9 | WNW 12 | WNW 12 | SW 19 | SW 18 | W 12 | SW 16 | E 12 | E 11 | SSW 15 | SSW 24 | E 11 | SSW 22 | E 12 | SSW 16 | S 13 | SSW 16 | S 21 | S 12 |
| kJ | 17 | 30 | 13 | 28 | 29 | 92 | 83 | 11 | 132 | 25 | 23 | 92 | 437 | 87 | 480 | 137 | 173 | 85 | 95 | 329 | 100 |
Wind waves Height (m) Direction Period (s) | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | ENE 7 | E 7 | E 7 | ENE 7 | E 7 | ENE 7 | ENE 12 | E 6 | E 6 | E 7 | E 7 | ENE 7 | E 7 |
| kJ | 243 | 287 | 223 | 213 | 190 | 182 | 149 | 143 | 144 | 62 | 94 | 79 | 110 | 75 | 609 | 190 | 173 | 266 | 152 | 166 | 192 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 20 | 20 | 10 | 10 | 26 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 23 | 10 | 20 | 26 | 10 | 20 | 20 | 10 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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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 Sandtracks 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 Sandtracks Surf forecast
The above surf forecast table for Sandtracks provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Sandtracks can be found by selecting the local surf guide option on the grey menu. Our Sandtracks 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 (Sandtracks) 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 Sandtracks 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.
Sandtracks is 3 km (2 miles) from 'Ewa Beach. If you plan a vacation in Oahu, look for hotels and other accommodation in 'Ewa Beach. 'Ewa Beach has rooms for a wide range of budgets as well as car hire and transport links.
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