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The Island Surf Forecast
/ SA – Eyre Peninsula (19 breaks) / South Australia (91 breaks) /
The Island surfForecast / SA – Eyre Peninsula / Australia
48hr Weather and Surf, issued 8 pm Monday 18 Aug 2025 ACST
How big are the waves at The Island today?
The current surf forecast for The Island at 11PM is: 1.1m 12s primary swell from a Southwest direction and 0.7m 16s secondary swell from a Southwest direction (forecast issued at 08:30pm August 18). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 3.
| Time (ACST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Aug) | - | - |
| Afternoon (18 Aug) | - | - |
| Evening (18 Aug) | 4ft (1.2m) | 12s |
Table - waves today at The Island. (Swell directed towards the surf break)
Mon 18 | Tuesday 19 | Wednesday 20 | Thursday 21 | |||||||||||||||||||||
| 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |   |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 12 | 12 | 16 | 15 | 14 | 18 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 14 | 14 | 16 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||
| Energy (?) | 558 | 617 | 629 | 856 | 921 | 952 | 846 | 1080 | 913 | 742 | 491 | 485 | 393 | 410 | 419 | 471 | 437 | 414 | 375 | 360 | 430 | 440 | 663 | 630 |
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 | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross |
High Tide / height (m) | 2:50AM 0.00 | 4:27AM 0.00 | 6:09AM 0.00 | |||||||||||||||||||||
Low Tide / height (m) | 3:38PM -0.00 | 5:17PM -0.00 | ||||||||||||||||||||||
Mon 18 | Tuesday 19 | Wednesday 20 | Thursday 21 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 7:07 | - | - | - | - | - | - | - | 7:05 | - | - | - | - | - | - | - | 7:05 | - | - |
| Sunset | 6:06 | - | - | - | - | - | - | - | 6:06 | - | - | - | - | - | - | - | 6:07 | - | - | - | - | - | - | - |
 |  | | |  | |  |  | | | | | | | | | |  | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 13 | 14 | 13 | 12 | 11 | 11 | 14 | 17 | 17 | 17 | 16 | 14 | 13 | 12 | 16 | 19 | 20 | 18 | 15 | 14 | 14 | 14 | 18 | 21 |
| Feels °C (?) | 9 | 10 | 8 | 6 | 5 | 4 | 8 | 12 | 12 | 10 | 9 | 6 | 6 | 3 | 7 | 11 | 14 | 10 | 5 | 4 | 3 | 3 | 7 | 13 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for SA - Eyre Peninsula
The wind is still offshore at The Island (fresh winds from the E at ASCATB134E34S 52 km from The Island). 1.2m 12s groundswell from the SW with a 0.6m 17s long period groundswell, also from the SW and a 0.5m 15s groundswell, also from the SW as well as a 0.5m 3s local chop, also from the SSE. 4 swells combining to make bigger set waves.
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our The Island surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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