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Trespassers Surf Forecast
/ SA – Yorke Peninsula (14 breaks) / South Australia (91 breaks) /
Surf Forecasts:
Trespassers surfForecast / SA – Yorke Peninsula / Australia
48hr Weather and Surf, issued 8 am Monday 18 May 2026 ACSTForecast update in hr min s Forecast update imminent
Trespassers surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Trespassers sea temperature is
18.0° C
(Which is slightly warmer than usual)How big are the waves at Trespassers today?
The current surf forecast for Trespassers at 3PM is: 0.9m 12s primary swell from a Southwest direction and 0.1m 21s secondary swell from a Southwest direction, 0.4m 4s secondary swell from a West-southwest direction (forecast issued at 08:30am May 18). The wind direction is predicted to be onshore.
| Time (ACST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 3.5ft (1.0m) | 12s |
| Afternoon (18 May) | 3ft (0.9m) | 12s |
| Evening (18 May) | 2.5ft (0.7m) | 12s |
Table - waves today at Trespassers. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 2mm), mostly falling on Mon night. Very mild (max 16°C on Mon morning, min 15°C on Mon morning). Wind will be generally light. | ||||||||||||||||||||||||
Monday 18 | Tuesday 19 | Wednesday 20 | Thu 21 | |||||||||||||||||||||
6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 18 | SW 11 | SW 11 | SSW 18 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SW 16 | SW 15 | SW 15 | |
376 | 301 | 287 | 209 | 209 | 144 | 142 | 137 | 320 | 309 | 273 | 891 | 268 | 268 | 207 | 204 | 188 | 184 | 229 | 226 | 322 | 251 | 530 | 496 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | cross-on | cross-on | glassy | glassy | |
High Tide | 4:51PM0.02m | 5:29PM0.02m | 6:03PM0.02m | |||||||||||||||||||||
Low Tide | 8:35AM-0.00m | 8:59AM-0.00m | 9:22AM-0.00m | |||||||||||||||||||||
 |  | |  |  | |  | |  | | | | | | | | | | | | | | | | |
 | 7:11 | — | — | — | — | — | — | — | 7:11 | — | — | — | — | — | — | — | 7:11 | — | — | — | — | — | — | 7:13 |
 | — | — | — | 5:24 | — | — | — | — | — | — | — | 5:23 | — | — | — | — | — | — | — | 5:23 | — | — | — | 5:22 |
— | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 15 |
13 | 12 | 13 | 12 | 12 | 12 | 12 | 13 | 12 | 11 | 10 | 10 | 11 | 12 | 13 | 14 | 13 | 13 | 13 | 13 | 14 | 15 | 16 | 15 | |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SSW 19 | SW 18 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 10 | SW 11 | SW 11 | SW 12 | SW 12 | SW 15 | SW 15 |
 kJ | 376 | 301 | 287 | 209 | 209 | 144 | 142 | 137 | 320 | 74 | 82 | 58 | 268 | 268 | 198 | 194 | 187 | 184 | 198 | 213 | 224 | 228 | 530 | 496 |
Swell 2 Height (m) Direction Period (s) | S 24 | S 23 | SW 21 | SW 21 | SW 21 | SW 21 | SSW 20 | SW 20 | SSW 20 | SW 19 | SSW 18 | SSW 18 | SSW 18 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SW 16 | SSW 15 | — |
| kJ | 11 | 11 | 18 | 18 | 18 | 18 | 37 | 97 | 75 | 58 | 32 | 62 | 124 | 124 | 207 | 204 | 188 | 175 | 229 | 226 | 322 | 251 | 89 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | SW 20 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | 60 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | W 3 | WSW 4 | WSW 4 | WSW 4 | WSW 5 | WSW 6 | SW 6 | SW 11 | SW 11 | SW 18 | SW 5 | — | — | — | — | — | — | W 3 | W 3 | — | — | — |
| kJ | — | — | 3 | 4 | 12 | 23 | 41 | 65 | 42 | 309 | 273 | 891 | 19 | — | — | — | — | — | — | 1 | 3 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 13 | 13 | 138 | 553 | 159 | 101 | 159 | 59 | 159 | 553 | 553 | 553 | 59 | 13 | 13 | 13 | 13 | 112 | 112 | 13 | 13 | 13 | 0 | 0 |
Best forecast wave conditions in Yorke Peninsula | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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