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Surf Forecasts:
Trespassers surfForecast / SA – Yorke Peninsula / Australia
48hr Weather and Surf, issued 9 am Monday 15 Dec 2025 ACDTForecast 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
18.2° C
(Which is 1.0°C warmer than normal for this time of year)How big are the waves at Trespassers today?
The current surf forecast for Trespassers at 3PM is: 1.2m 13s primary swell from a South-southwest direction and 0.1m 20s secondary swell from a Southwest direction (forecast issued at 09:30am December 15). An open ocean swell of 0.8m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (ACDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Dec) | 4.5ft (1.3m) | 13s |
| Afternoon (15 Dec) | 4ft (1.2m) | 13s |
| Evening (15 Dec) | 3.5ft (1.0m) | 13s |
Table - waves today at Trespassers. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 15 | Tuesday 16 | Wednesday 17 | Thu 18 | |||||||||||||||||||||
| 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 16 | 15 | 11 | 11 | 15 | 15 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 680 | 536 | 458 | 437 | 370 | 330 | 264 | 255 | 180 | 177 | 140 | 119 | 90 | 85 | 60 | 59 | 64 | 59 | 30 | 30 | 55 | 54 | 53 | 79 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | cross- off | cross | cross- off | cross- off | cross- off | off | cross- off | cross- off | cross | glass | cross | cross- off | off | off |
High Tide / height (m) | 3:48AM 0.02 | 4:01AM 0.02 | 4:14AM 0.02 | |||||||||||||||||||||
Low Tide / height (m) | 6:01PM 0.00 | 6:55PM 0.00 | 7:42PM 0.00 | |||||||||||||||||||||
Monday 15 | Tuesday 16 | Wednesday 17 | Thu 18 | |||||||||||||||||||||
| Sunrise | 6:01 | - | - | - | - | - | - | - | 6:01 | - | - | - | - | - | - | - | 6:01 | - | - | - | - | - | - | - |
| Sunset | - | - | - | - | 8:31 | - | - | - | - | - | - | - | 8:31 | - | - | - | - | - | - | - | 8:32 | - | - | - |
 | | | | |  | | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 12 | 14 | 17 | 17 | 15 | 13 | 12 | 13 | 14 | 17 | 20 | 22 | 22 | 20 | 18 | 19 | 22 | 26 | 28 | 29 | 30 | 27 | 25 | 25 |
| Feels °C (?) | 8 | 10 | 14 | 12 | 9 | 8 | 7 | 9 | 10 | 13 | 18 | 20 | 18 | 16 | 15 | 16 | 19 | 22 | 25 | 27 | 26 | 23 | 21 | 22 |
- Map Icons:
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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