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Surf Forecasts:
Rapid Bay surfForecast / SA – Adelaide / Australia
48hr Weather and Surf, issued 9 am Wednesday 17 Dec 2025 ACDTForecast update in hr min s Forecast update imminent
Rapid Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Rapid Bay sea temperature is
18.3° C
(Which is 1.2°C warmer than normal for this time of year)How big are the waves at Rapid Bay today?
The current surf forecast for Rapid Bay at 3PM is: 0.1m 7s primary swell from a West direction (forecast issued at 09:30am December 17). An open ocean swell of 0.2m 3s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (ACDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Dec) | 0.5ft (0.1m) | 7s |
| Afternoon (17 Dec) | 0.5ft (0.1m) | 7s |
| Evening (17 Dec) | 0.5ft (0.1m) | 11s |
Table - waves today at Rapid Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 17 | Thursday 18 | Friday 19 | Sat 20 | |||||||||||||||||||||
| 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) (?) | 7 | 7 | 7 | 7 | - | 11 | 11 | 9 | 14 | 9 | 3 | 2 | 3 | 3 | 3 | 11 | 11 | 10 | 10 | 9 | 4 | 4 | 5 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1 | 1 | 1 | 1 | 0 | 5 | 5 | 0 | 0 | 0 | 3 | 1 | 0 | 0 | 1 | 2 | 2 | 2 | 2 | 2 | 13 | 14 | 8 | 15 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross | cross | on | glass | cross- off | off | off | cross- off | cross- off | cross | glass | cross- off | cross- off | cross- off | cross | cross | cross | cross | cross | cross | cross | cross- off | cross |
High Tide / height (m) | 4:32PM 0.91 | 4:00AM 1.64 | 5:09PM 0.93 | 4:33AM 1.70 | 5:41PM 0.95 | |||||||||||||||||||
Low Tide / height (m) | 10:56AM 0.50 | 8:57PM 0.68 | 11:23AM 0.34 | 9:44PM 0.61 | 11:50AM 0.21 | 10:22PM 0.55 | ||||||||||||||||||
Wednesday 17 | Thursday 18 | Friday 19 | Sat 20 | |||||||||||||||||||||
| Sunrise | 5:56 | - | - | - | - | - | - | - | 5:56 | - | - | - | - | - | - | - | 5:56 | - | - | - | - | - | - | - |
| Sunset | - | - | - | - | 8:29 | - | - | - | - | - | - | - | 8:30 | - | - | - | - | - | - | - | 8:30 | - | - | - |
 | | | | |  | | | | | | | | | |  |  | | | |  | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 22 | 25 | 28 | 29 | 30 | 27 | 26 | 26 | 27 | 28 | 29 | 33 | 28 | 27 | 25 | 24 | 23 | 25 | 22 | 20 | 16 | 15 | 14 | 13 |
| Feels °C (?) | 19 | 21 | 25 | 26 | 28 | 24 | 22 | 22 | 23 | 23 | 27 | 32 | 26 | 24 | 22 | 22 | 21 | 24 | 20 | 18 | 13 | 12 | 11 | 10 |
- 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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