Sandtracks Surf Break

Lat Long: 21.31° N 158.03° W

Sandtracks Surf Forecast and Surf Report

Issued: 1 am 20 Aug 2026 (local time)

Forecast update in  hr  min

Today's Sandtracks sea temperature is
27.1° C
0.3° 

Sandtracks surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Sandtracks surf forecast from 20 Aug 2026:

  • Best quality surf: Thursday 20 Aug, 2PM (local time) - 2.5ft (0.7m), 18s period, SW swell with glassy winds.
  • Most powerful swell: Thursday 27 Aug, 8AM (local time) - 3ft (0.9m), 17s period, S swell with 448 kJ wave energy.
  • Next surfable swell (1★+): Thursday 20 Aug, 2PM (local time) - 2.5ft (0.7m), 18s period with SW 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 Thursday (Aug 20) at 2PM. The primary swell is predicted to be 0.7m and 18s period with a secondary swell of 0.7m and 7s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Sandtracks in the next 16 days are 0.9m 17s and forecast to arrive on Thursday (Aug 27) 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 0.6m 11s period and expected on Saturday (Aug 22) at 5PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 2PM (Thu 20th Aug)2.5ft (0.7m) 18s
Best Surf 2PM (Thu 20th Aug)2.5ft (0.7m) 18s
Most Powerful 8AM (Thu 27th Aug)3ft (0.9m) 17s

Table - best surf conditions forecast for Sandtracks over the next 16 days.


The Lowdown

Right, listen up. Rusty here. We’ve got a bit of a tricky one on the cards for the next couple of weeks. There’s surf on the way, but we’re gonna have to wade through some ordinary, blown-out days to get to the good stuff.

The first real window we’re looking at is Thursday the 20th. Sandtracks (this reef setup) is calling our name. It’s small, around 2ft, but that southwest swell is hanging around 17-18 seconds, which is proper groundswell. The water’s 81°, which is about average for this time of year, and the energy is moderate at 434. The real kicker is the wind – Thursday afternoon goes glassy with a bit of southeast air. That’s a serious positive. It’ll be clean, but it’s small, so keep your expectations in check. Friday the 21st looks very similar, with the same knee-to-waist-high surf and an afternoon glass-off. It’s not going to be epic, but it's the best we've got on offer early.

Then the wind gods turn on us. From Saturday the 22nd, through the whole of next week and into the weekend, we get hammered with a fresh to strong east-northeast cross-shore. The swell bumps up a bit, but the quality drops straight out of the water. The combined energy is moderate, but that wind is just going to chew it up. There’s a lot of blown-out, lumpy, cross-chop conditions in this stretch. It's that classic beach setup, but with this wind, honestly, I'd probably be looking at kites rather than a surfboard.

There is a glimmer of hope at the back end. As we move into the final days of August and the very start of September, the energy levels really build. It’s still got a cross-shore wind, but it turns more cross-off and the surf is getting bigger. We're looking at 7ft on Monday the 31st and 8ft on Tuesday the 1st. This is where it gets serious. The energy readings are strong to very strong at 2862 and 2523, which is a massive step up. However, this is a long way out, so treat it as promising but with a pinch of salt.

The standouts? Not much competition, really. The best quality-to-size ratio is that Thursday the 20th and Friday the 21st afternoon session. It’s small, but clean. For pure size and power, the window around Monday the 31st and Tuesday the 1st of September has the potential to be the pick, but the wind will be testing and it could be a real handful. The swell direction is ENE, which isn't quite what Sandtracks wants, but the power is undeniable. Everything after that starts to back off and gets a bit sketchy again.

All right, that’s the picture. It’s a long stretch with not much to get overly excited about until the very end. Keep an eye on that late-August pulse.

Rusty.

Short Range Forecast

Mostly dry. Warm (max 28°C on Thu afternoon, min 25°C on Thu morning). Winds increasing (calm on Fri night, fresh winds from the ENE by Sat night).

Days 4-6 Weather Summary

Mostly dry. Warm (max 27°C on Sun morning, min 25°C on Sun morning). Mainly strong winds.

Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
2
1
1
2
1
0
0
0
0
0
0
0
0
0
0
0
1
0
1
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.7
SW
18
0.7
SW
17
0.8
SSW
16
0.8
SSW
17
0.8
SSW
16
0.9
SW
16
0.8
SSW
16
0.8
SSW
16
1.6
E
7
1.6
E
7
1.6
ENE
7
1.3
E
7
0.7
SSW
14
0.7
SSW
13
0.7
SSW
13
1.4
E
8
1.4
E
8
0.5
S
18
0.7
SSW
14
0.8
S
18
0.6
S
18
Wave Graph
Metric surfscale
Energy kJ
316
305
347
368
326
367
326
314
247
257
232
157
166
156
140
241
227
167
215
395
226
Wind (km/h)
5
SE
5
SSE
10
E
10
SSE
5
SSW
15
ENE
30
ENE
35
ENE
35
ENE
40
ENE
35
ENE
30
ENE
35
ENE
35
ENE
25
ENE
35
ENE
30
ENE
20
ENE
25
ENE
20
ENE
15
ENE
Wind State
cross-on
glassy
cross
on
glassy
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
High Tide
11:04AM0.57m
12:12PM0.60m
11:03PM0.23m
1:02PM0.64m
00:38AM0.25m
1:42PM0.67m
1:26AM0.28m
2:15PM0.70m
2:05AM0.31m
2:45PM0.72m
2:41AM0.35m
3:13PM0.72m
3:16AM0.40m
Low Tide
3:11AM0.15m
9:15PM0.23m
9:01PM0.20m
5:49AM0.13m
9:11PM0.18m
6:44AM0.10m
9:26PM0.16m
7:29AM0.08m
9:43PM0.15m
8:10AM0.07m
10:00PM0.13m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
part cloud
cloud
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:11
6:11
6:11
6:13
6:13
6:13
6:13
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:58
6:57
6:57
6:55
6:54
6:53
6:52
 mm
Temp °C
27
28
27
27
27
27
27
27
26
27
27
26
27
27
26
27
27
26
26
26
25
Feels °C
29
31
31
30
29
32
25
24
24
24
24
24
24
24
25
25
26
26
25
25
26
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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