Using Surf-Forecast’s Historical Surf Data To Find The Most Consistent Waves On Earth
Using our statistical data for 7000 spots dating back to 2006, we can find those waves that break the most, with the best winds.
Surf Forecasts:
Jacobs Bay surfForecast / West Coast / South Africa
48hr Weather and Surf, issued 1 am Monday 22 Dec 2025 SASTForecast update in hr min s Forecast update imminent
Jacobs Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Jacobs Bay sea temperature is
14.2° C
(Which is 4.9°C colder than average for this time of year)How big are the waves at Jacobs Bay today?
The current surf forecast for Jacobs Bay at 8AM is: 1.3m 11s primary swell from a Southwest direction and 1.4m 9s secondary swell from a South direction (forecast issued at 01:00am December 22). The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 Dec) | 4.5ft (1.3m) | 11s |
| Afternoon (22 Dec) | 4ft (1.2m) | 11s |
| Evening (22 Dec) | 3.5ft (1.1m) | 10s |
Table - waves today at Jacobs Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 22 | Tuesday 23 | Wednesday 24 | ||||||||||||||||||||||
| 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 10 | 9 | 11 | 11 | 11 | 11 | 11 | 10 | 6 | 6 | 6 | 10 | 7 | 7 | 6 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 551 | 575 | 436 | 382 | 341 | 334 | 328 | 258 | 212 | 184 | 232 | 156 | 590 | 230 | 278 | 265 | 455 | 727 | 737 | 684 | 614 | 645 | 947 | 1465 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | glass | cross- off | cross- off | cross- on | on | cross- on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross- off | cross- off | cross- off | cross | cross | cross | cross |
High Tide / height (m) | 4:31AM 1.41 | 4:36PM 1.38 | 5:06AM 1.41 | 5:11PM 1.34 | 5:43AM 1.40 | 5:50PM 1.29 | ||||||||||||||||||
Low Tide / height (m) | 10:17PM 0.18 | 10:35AM 0.31 | 10:49PM 0.20 | 11:11AM 0.33 | 11:21PM 0.22 | 11:49AM 0.35 | ||||||||||||||||||
Monday 22 | Tuesday 23 | Wednesday 24 | ||||||||||||||||||||||
| Sunrise | - | - | - | 5:35 | - | - | - | - | - | - | - | 5:37 | - | - | - | - | - | - | - | 5:37 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 7:55 | - | - | - | - | - | - | - | 7:57 | - | - | - | - | - | - | - | 7:57 | - |
 | | |  | | | |  | | | |  | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 20 | 18 | 17 | 18 | 20 | 20 | 19 | 20 | 19 | 19 | 19 | 19 | 20 | 20 | 19 | 19 | 18 | 18 | 18 | 19 | 20 | 21 | 20 | 20 |
| Feels °C (?) | 21 | 19 | 16 | 17 | 20 | 20 | 17 | 18 | 17 | 17 | 17 | 16 | 16 | 16 | 14 | 14 | 11 | 12 | 13 | 16 | 17 | 17 | 15 | 16 |
- 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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