Sandtracks Surf Break

Lat Long: 21.31° N 158.03° W

Sandtracks Surf Forecast and Surf Report

Issued: 1 am 16 Aug 2026 (local time)

Forecast update in  hr  min

Today's Sandtracks sea temperature is
27.3° C
0.6° 

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


Sandtracks surf forecast from 16 Aug 2026:

  • Best quality surf: Wednesday 19 Aug, 8PM (local time) - 1.5ft (0.5m), 16s period, SW swell with cross-offshore winds.
  • Most powerful swell: Sunday 16 Aug, 5AM (local time) - 16ft (5.0m), 10s period, E swell with 4,518 kJ wave energy.
  • Next surfable swell (1★+): Wednesday 19 Aug, 8PM (local time) - 1.5ft (0.5m), 16s 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 Wednesday (Aug 19) at 8PM. The primary swell is predicted to be 0.5m and 16s period with a secondary swell of 0.7m and 8s. 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 5.0m 10s and forecast to arrive on Sunday (Aug 16) 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 0.8m 7s period and expected on Saturday (Aug 22) at 8PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 8PM (Wed 19th Aug)1.5ft (0.5m) 16s
Best Surf 8PM (Wed 19th Aug)1.5ft (0.5m) 16s
Most Powerful 5AM (Sun 16th Aug)16ft (5.0m) 10s

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


The Lowdown

Alright, Rusty here. Let's break down what's cookin'.

To be real with you, this whole stretch is a tough slog for Sandtracks, a reef break. The first part of the forecast window is basically a total loss. We're talking a solid week of trashy cross-shore winds and poor surf conditions, with some nasty thunderstorms mixed in on the 16th. Water temp is 81°F, which is right on average for this time of year, nothing weird happening there. But the surf? Not worth the walk.

Wave energy is pitiful at the start – a combined energy of just 2273 on the morning of Sunday the 16th, but with a 25 mph cross-on wind from the SE, it's all blown out and choppy. That same pattern of cross-shore wind and bad conditions hangs around until the middle of the next week. That’s a massive gap with nothing on offer for nearly the first ten days.

We finally get a tiny flicker of hope on Thursday afternoon the 20th. The wind goes glassy – dead calm, as smooth as it gets – and there's a 2ft swell from the SW with a long 17-second period. The combined energy is still low (385). It's small but clean. That's pretty much the best we see in the first half, and it's still touch and go.

As we push into the last few days of August, the swell picks up, but the wind refuses to get out of the way. From the 26th on, the swell jumps to 5 to 8ft from the E, with the period dropping to 7-8 seconds, so it’s a short-period windswell. The energy numbers get big – we see 1255 on Sunday the 30th – but it's all blowing under a stiff cross-shore breeze. That means lumpy, cross-chop conditions. The waves are there, but they're ugly. For the more experienced surfers, the 29th and 31st might offer the most size with that 8ft and 7ft swell, but those strong cross-winds make it a battle. The 31st sees the period stretch to 13 seconds, which is better, but the wind is still cross-shore. It’s a grind, not a joy ride.

Honestly, for paddle surfing, this forecast is a downer. With all that onshore cross-wind and building chop in the second week, if you’ve got a kite, you’ll have a way better time out there. There's no real standout. The only moment worth circling is that brief glassy window on the afternoon of the 20th – if you're itching for a tiny, clean wave, that's your one chance, but keep your hopes real low.

Hang tight, forecasts can change, but right now it looks like a long stretch of poor waves.

- Rusty

Short Range Forecast

Heavy rain (total 39mm), heaviest during Sun morning. Warm (max 27°C on Tue afternoon, min 24°C on Mon night). Winds decreasing (strong winds from the ESE on Sun morning, light winds from the ENE by Sun night).

Days 4-6 Weather Summary

Mostly dry. Warm (max 27°C on Wed afternoon, min 24°C on Wed night). Wind will be generally light.

Sunday
16
Monday
17
Tuesday
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
2
0
0
0
0
0
0
0
0
1
1
2
1
1
1
2
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
3.5
ESE
9
1.8
E
9
1.7
ESE
8
1.6
ENE
8
0.9
S
14
0.8
S
13
0.8
S
13
0.6
S
13
0.9
E
9
0.5
SW
16
0.5
SW
16
0.6
SSW
16
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
0.7
SW
16
Wave Graph
Metric surfscale
Energy kJ
1968
498
327
334
329
222
219
123
122
129
125
175
316
305
347
364
326
367
326
314
245
Wind (km/h)
40
SE
25
ESE
15
E
30
ENE
25
ENE
20
ENE
25
ENE
25
E
20
ENE
20
E
15
E
10
ENE
10
ESE
5
E
10
ENE
10
SSE
5
SSE
10
NE
20
E
25
ENE
20
ENE
Wind State
cross-on
cross-on
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross-on
glassy
cross
on
on
cross-off
cross
cross
cross
High Tide
5:53PM0.51m
7:23AM0.54m
6:10PM0.44m
8:25AM0.55m
6:13PM0.37m
9:42AM0.56m
11:04AM0.57m
12:12PM0.60m
11:03PM0.23m
1:02PM0.64m
00:38AM0.25m
Low Tide
12:13PM0.25m
00:28AM0.10m
1:18PM0.31m
00:54AM0.11m
2:59PM0.34m
1:23AM0.13m
2:04AM0.14m
3:11AM0.15m
9:15PM0.23m
9:01PM0.20m
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
clear
part cloud
clear
clear
part cloud
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:09
6:11
6:11
6:11
6:11
6:11
6:11
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:00
7:00
7:00
6:59
6:58
6:57
6:57
 mm
29
7
3
Temp °C
25
26
26
26
26
25
26
27
25
26
27
25
27
27
26
26
26
26
28
28
26
Feels °C
22
25
27
28
25
25
25
25
25
25
26
26
29
28
28
28
29
29
28
28
25
  • 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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