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Surf Forecasts:
Pennington Bay surfForecast / SA – Kangaroo Island / Australia
48hr Weather and Surf, issued 9 pm Wednesday 10 Dec 2025 ACDTForecast update in hr min s Forecast update imminent
Pennington Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Pennington Bay sea temperature is
17.7° C
(Which is 1.0°C warmer than normal for this time of year)How big are the waves at Pennington Bay today?
The current surf forecast for Pennington Bay at 4AM is: 1.0m 12s primary swell from a South direction and 1.8m 6s secondary swell from a Southeast direction (forecast issued at 09:30pm December 10). The wind direction is predicted to be cross-shore.
| Time (ACDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Dec) | 3.5ft (1.0m) | 12s |
| Afternoon (11 Dec) | 3.5ft (1.0m) | 12s |
| Evening (11 Dec) | 3.5ft (1.0m) | 13s |
Table - waves today at Pennington Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wed 10 | Thursday 11 | Friday 12 | Saturday 13 | |||||||||||||||||||||
| 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 | 7 AM | 10 AM | 1 PM | 4 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |   |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 6 | 6 | 6 | 6 | 15 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 564 | 475 | 395 | 319 | 319 | 319 | 319 | 324 | 345 | 355 | 361 | 366 | 361 | 290 | 286 | 282 | 643 | 206 | 284 | 335 | 335 | 1547 | 1321 | 1048 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross- off | cross- off | cross- off | cross- on | on | cross- on | cross- on | cross- on | cross- on | cross- on | on | on |
High Tide / height (m) | 7:53PM 0.78 | 7:55AM 1.26 | 8:35PM 0.84 | 8:28AM 1.13 | 9:31PM 0.90 | 9:05AM 0.99 | ||||||||||||||||||
Low Tide / height (m) | 12:48AM 0.52 | 2:45PM 0.52 | 1:38AM 0.59 | 3:09PM 0.54 | 2:40AM 0.68 | 3:37PM 0.56 | ||||||||||||||||||
Wed 10 | Thursday 11 | Friday 12 | Saturday 13 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 5:54 | - | - | - | - | - | - | - | 5:56 | - | - | - | - | - | - | - | 5:56 | - | - | - |
| Sunset | 8:27 | - | - | - | - | - | - | - | 8:28 | - | - | - | - | - | - | - | 8:28 | - | - | - | - | - | - | - |
 |  | | |  |  | | | | | |  | | | | | |  | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 14 | 14 | 14 | 14 | 15 | 17 | 19 | 20 | 17 | 16 | 17 | 18 | 21 | 25 | 27 | 25 | 19 | 16 | 15 | 15 | 15 | 15 | 16 | 16 |
| Feels °C (?) | 8 | 9 | 8 | 8 | 9 | 12 | 15 | 16 | 12 | 13 | 15 | 17 | 20 | 23 | 24 | 23 | 14 | 10 | 9 | 9 | 8 | 10 | 11 | 10 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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