Trespassers Surf Break

Lat Long: 35.13° S 136.94° E

Trespassers Surf Forecast and Surf Report

Issued: 2 pm 08 Sep 2026 (local time)

Forecast update in  hr  min

Today's Trespassers sea temperature is
15.1°C
0.6° 

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


Trespassers surf forecast from 8 Sep 2026:

  • Best quality surf: Thursday 10 Sep, 3AM (local time) - 6.5ft (2.0m), 16s period, SSW swell with offshore winds.
  • Most powerful swell: Wednesday 9 Sep, 9AM (local time) - 7ft (2.1m), 19s period, SSW swell with 3,001 kJ wave energy.
  • Next surfable swell (1★+): Thursday 10 Sep, 3AM (local time) - 6.5ft (2.0m), 16s period with SSW swell.

Best Forecast Surf Conditions for Trespassers this week:

The surf forecast for Trespassers over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Sep 10) at 3AM. The primary swell is predicted to be 2.0m and 16s period. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Trespassers in the next 16 days are 2.1m 19s and forecast to arrive on Wednesday (Sep 09) at 9AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.2m 5s period and expected on Wednesday (Sep 09) at 6AM.

Wave TypeTime (ACST) & Date Wave Height & Period
Next good surf (1 star+) 3AM (Thu 10th Sep)6.5ft (2.0m) 16s
Best Surf 3AM (Thu 10th Sep)6.5ft (2.0m) 16s
Most Powerful 9AM (Wed 9th Sep)7ft (2.1m) 19s

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


The Lowdown

G’day, it’s Rusty here. Let’s have a look at the surf ahead for Trespassers. The water’s sitting at 59° which is about par for the course this time of year, nothing weird going on there. Now, the next week and a bit is a bit of a mixed bag, so let’s break it down.

We start off slow. Tuesday arvo is basically a write-off with a cross-onshore breeze and only 5ft of messy, short-period swell. You’d be fighting it more than surfing it. Wednesday isn’t much better, with a solid 7ft to 7ft of SSW swell but onshore winds and a marginal feel to it. Not worth a paddle.

Then there’s a glimmer on Thursday morning. The easterly wind swings offshore, and we get a clean 6ft SSW swell with a 16-second period. The energy is moderate at 1713, but the conditions are excellent for experienced surfers. This is the first real standout for the week. Thursday arvo stays clean too, with 5ft and offshore winds, very good conditions. Friday sees a drop in size to around 4ft, but it’s still clean with light offshore winds. Good, but not as good as Thursday.

The weekend gets a bit trickier. Saturday is clean but smaller, with 4ft and a cross-off wind. Sunday drops further to 3ft and gets cross-shore, so I’d give it a miss. Monday is flat and choppy, so the run from Sunday through Monday is the first real gap. You’re looking at a couple of days with nothing on offer.

Now, the second week brings some serious promise. Tuesday the 15th sees a return of clean conditions, with 5ft SSW swell and offshore winds – very good again. Wednesday the 16th is another cracker, with 5ft SW swell, a 16-second period, and light offshore winds in the morning. That’s clean, lined-up surf.

But the big news is the Tuesday the 22nd. After a few days of onshore junk, the wind swings offshore in the arvo and we get a solid 8ft SW swell with an 18-second period. The energy is strong at 5901. This is the standout of the whole period, and it’s for experienced surfers only. It’s a long-range call, so it’s promising but less certain. The morning of the 22nd is also good at 8ft but with a cross-off wind. The 23rd holds in the 7ft range but with more wind, so it’s not as clean.

Remember, that big 8ft+ stuff is only for the experts. Unless you’re confident, stay in close or wait for the smaller days.

Keep an eye on that offshore on the 22nd, that’s the one I’d be circling on the calendar.

Rusty.

Short Range Forecast

Mostly dry. Very mild (max 14°C on Fri morning, min 9°C on Wed night). Mainly fresh winds.

Days 5-7 Weather Summary

Mostly dry. Warm (max 23°C on Sun afternoon, min 15°C on Fri afternoon). Wind will be generally light.

Tue
8
Wednesday
9
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
1
2
2
2
4
3
3
2
3
3
2
2
1
0
1
1
0
0
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.5
SSW
16
1.5
SSW
16
2.1
SSW
19
2.2
SSW
18
2.1
SSW
16
1.8
SSW
16
1.6
SSW
16
1.3
SSW
15
1.2
SSW
15
1.3
SSW
16
1.3
SSW
16
1.3
SSW
15
1.1
SW
15
0.8
SSW
17
0.9
SSW
16
0.9
SSW
16
0.9
SW
15
0.6
SW
14
0.6
SW
14
0.9
SSW
13
Wave Graph
Metric surfscale
Energy kJ
1214
1155
3001
2894
2263
1713
1273
740
584
881
788
780
523
381
452
436
314
160
158
290
Wind (km/h)
20
SSW
25
SSE
35
SE
30
ESE
25
ESE
25
E
20
E
20
ESE
15
ENE
10
ENE
15
ENE
20
NNE
15
NNE
20
NNE
25
N
10
NNW
10
SW
15
WSW
25
SW
20
SE
Wind State
cross-on
cross-off
cross-off
cross-off
cross-off
off
off
off
off
cross-off
off
cross-off
cross-off
cross-off
cross
cross
cross-on
cross-on
cross-on
cross-off
High Tide
3:31AM0.01m
2:38PM0.02m
3:27AM0.01m
2:54PM0.02m
3:44AM0.01m
3:06PM0.02m
4:03AM0.01m
3:15PM0.02m
4:29AM0.02m
3:21PM0.02m
5:01AM0.02m
3:19PM0.02m
Low Tide
10:30PM0.00m
6:48AM0.01m
10:12PM0.00m
7:49AM0.01m
10:01PM0.00m
8:36AM0.01m
9:57PM0.00m
9:18AM0.01m
9:54PM0.00m
9:56AM0.01m
10:01PM-0.00m
10:30AM0.01m
10:15PM-0.00m
cloud
part cloud
part cloud
clear
clear
clear
clear
part cloud
cloud
part cloud
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:31
6:30
6:28
6:26
6:26
6:24
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:07
6:07
6:08
6:08
6:09
6:10
6:12
 mm
Temp °C
13
12
12
11
10
11
12
12
14
15
16
18
20
22
22
23
16
16
16
12
Feels °C
9
6
4
4
4
6
7
7
10
13
13
13
15
17
17
21
15
13
12
8
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  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Trespassers Surf forecast

The above surf forecast table for Trespassers provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Trespassers can be found by selecting the local surf guide option on the grey menu. Our Trespassers 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 (Trespassers) 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 Trespassers 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.

Are you planning a holiday in Yorke Peninsula? If you are looking for accommodation near Trespassers, camping, hotels and holiday cottages in Yorke Peninsula, consider staying in Kingscote which is 86 km (53 miles) away.

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