
Surf Forecasts:
Trespassers surf forecast from 5 Jul 2026:
- Best quality surf: Wednesday 8 Jul, 6AM (local time) - 5.5ft (1.7m), 18s period, SSW swell with cross-offshore winds.
- Most powerful swell: Sunday 12 Jul, 12PM (local time) - 11ft (3.5m), 16s period, SW swell with 5,507 kJ wave energy.
- Next surfable swell (1★+): Monday 6 Jul, 9AM (local time) - 3ft (0.9m), 14s 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 Monday (Jul 06) at 9AM. The primary swell is predicted to be 0.9m and 14s 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 3.5m 16s and forecast to arrive on Sunday (Jul 12) at 12PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 4s period and expected on Tuesday (Jul 07) at 6AM.
| Wave Type | Time (ACST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9AM (Mon 6th Jul) | 3ft (0.9m) 14s |
| Best Surf | 6AM (Wed 8th Jul) | 5.5ft (1.7m) 18s |
| Most Powerful | 12PM (Sun 12th Jul) | 11ft (3.5m) 16s |
Table - best surf conditions forecast for Trespassers over the next 16 days.
Updates in hr min s Forecast update imminent
Alright, Rusty here. Let’s chew through what’s on the menu for the next couple weeks.
We’re easing into things at Trespassers, a reef break for the advanced crew that’s fairly dependable when the swell hits from the SSW. That first real look is Monday morning, July 6th. The water’s about 15°, right where it should be, nothing out of the ordinary. You’ve got a clean 3ft SSW groundswell with a gentle offshore breeze, making it a real nice little window. The energy is pretty weak (330), but that combo of clean lines and offshore breath is a good way to start the week. It fades a bit by the afternoon.
The standout early on is Tuesday, July 7th. Morning is a solid 3ft with a 16-second period and a steady offshore wind – energy picks up (436). But the afternoon is where it’s at: the swell bumps to 4ft from the SW, still with moderate offshore wind, and the energy gets into a moderate range (544). That’s your top session early on.
Wednesday the 8th gets bigger and beefy. Morning comes in at 6ft of very long-period SSW groundswell (18 seconds, energy 1837), but the wind goes cross-offshore. It’s clean, but that long period makes it a heavy, straight-hit reef. Experts only. The afternoon is a touch smaller at 5ft with lighter cross-off winds and still good quality (1229 energy). It’s not my first call, but it’s got power.
Thursday the 9th is back to a fun 3ft in the morning with light cross-off winds (443 energy). Afternoon is 3ft but the wind goes cross-shore, so it gets messy.
Now, from Friday the 10th through about the 15th, it’s a write-off. Strong winds, onshore, rain, everything turning to garbage. The swell gets big – up to 7ft on the 12th and 12ft by the 21st – but with near-gale winds, it’s just storm slop. The energy values hit 3737 and 5090, but with those winds, you’d be a fool to paddle out. That’s kite territory for sure.
After a long dry spell, Thursday, July 16th finally turns a corner. Morning brings a clean 4ft SW swell with a gentle offshore breeze out of the ESE at 15 seconds (623 energy). That’s a real surfable window. The afternoon holds clean at 4ft with an even lighter cross-off flow (553 energy). That’s your next best bet.
Friday the 17th is smaller, just 3ft, but the morning is clean with light offshore conditions (290 energy). Rideable, but not a standout.
Then from the 18th on, it’s messy again. Winds pick up, cross-shore and cross-onshore, chop, and eventually strong breezes. The 19th afternoon is a blown-out 8ft with near-gale wind – no thanks. The 21st has 10ft with strong cross-shore chop (4427 energy), but again, the conditions ruin it.
So, to bottom line it: Tuesday, July 7th afternoon is your best early call – clean, moderate energy, proper wind. And then Thursday, July 16th morning is the next real window after a long stretch of junk.
Keep your eyes on the horizon.
- Rusty
Short Range ForecastMostly dry. Very mild (max 14°C on Tue afternoon, min 8°C on Mon morning). Wind will be generally light. | Days 4-6 Weather SummaryHeavy rain (total 22mm), heaviest during Sat afternoon. Very mild (max 15°C on Thu morning, min 10°C on Sat afternoon). Winds increasing (light winds from the NE on Thu morning, near gales from the W by Sat night). | ||||||||||||||||||||
Monday 6 | Tuesday 7 | Wednesday 8 | Thursday 9 | Friday 10 | Saturday 11 | Sunday 12 | |||||||||||||||
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) | SSW 14 | SSW 14 | SSW 14 | SSW 16 | SW 15 | SSW 18 | SSW 18 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SW 16 | SW 16 | SW 15 | SW 14 | SW 14 | WNW 6 | SW 11 | SW 15 | SW 15 | SW 14 |
Wave Graph | |||||||||||||||||||||
330 | 233 | 131 | 436 | 544 | 673 | 1837 | 1229 | 768 | 443 | 372 | 917 | 783 | 574 | 412 | 336 | 299 | 792 | 3737 | 5090 | 3056 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross | cross | cross | cross-on | on | on | on | cross-on | cross-on |
High Tide | 5:39PM0.02m | 5:24PM0.02m | 4:26PM0.02m | 2:51PM0.02m | 2:29PM0.02m | 2:43PM0.02m | 3:07PM0.02m | ||||||||||||||
Low Tide | 10:21AM0.01m | 1:35AM0.00m | 1:57AM0.00m | 2:19AM0.00m | 2:42AM0.00m | 3:20AM0.00m | 4:58AM0.00m | ||||||||||||||
7:30 | — | — | 7:30 | — | — | 7:30 | — | — | 7:30 | — | — | 7:30 | — | — | 7:28 | — | — | 7:28 | — | — | |
— | 5:22 | — | — | 5:22 | — | — | 5:23 | — | — | 5:23 | — | — | 5:24 | — | — | 5:24 | — | — | 5:25 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | — | 1 | 12 | 6 | 3 | 1 | 2 |
Temp °C | 10 | 11 | 12 | 13 | 14 | 14 | 13 | 14 | 14 | 15 | 15 | 14 | 14 | 15 | 14 | 15 | 12 | 12 | 13 | 13 | 14 |
Feels °C | 7 | 8 | 8 | 9 | 10 | 9 | 9 | 12 | 11 | 13 | 13 | 12 | 9 | 11 | 10 | 6 | 2 | 1 | 2 | 3 | 7 |
Swell 1 Height (m) Direction Period (s) | SSW 14 | SSW 14 | SSW 14 | SSW 16 | SW 15 | SSW 18 | SSW 18 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SW 16 | SW 16 | SW 15 | SW 14 | SW 14 | SW 14 | SW 11 | — | — | SW 21 |
330 | 233 | 131 | 436 | 544 | 673 | 1837 | 1229 | 768 | 443 | 372 | 917 | 783 | 574 | 412 | 336 | 191 | 792 | — | — | 117 | |
Swell 2 Height (m) Direction Period (s) | — | — | SSW 18 | — | — | SSW 15 | — | — | — | — | SSW 18 | — | W 4 | W 5 | W 5 | WSW 8 | E 5 | S 20 | — | — | — |
— | — | 121 | — | — | 372 | — | — | — | — | 216 | — | 3 | 5 | 13 | 74 | 1 | 7 | — | — | — | |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NE 5 | — | — | — | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | |
Wind waves Height (m) Direction Period (s) | E 3 | E 3 | ESE 3 | E 4 | E 4 | E 4 | ENE 3 | NE 3 | ENE 2 | NE 3 | — | — | WNW 4 | NNW 4 | NNW 4 | NW 5 | WNW 6 | NW 5 | SW 15 | SW 15 | SW 14 |
2 | 1 | 2 | 7 | 7 | 6 | 2 | 3 | 1 | 2 | — | — | 7 | 17 | 10 | 53 | 299 | 69 | 3737 | 5090 | 3056 | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 18 | 18 | 0 | 0 | 0 | 14 | 0 | 19 | 17 | 100 | 730 | 732 | 914 | 970 | 1184 | 733 |
Best forecast wave conditions in Yorke Peninsula | |||||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||||
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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.










