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Jacobs Bay Surf Forecast
/ West Coast (19 surf breaks) /
Surf Forecasts:
Jacobs Bay surfForecast / West Coast / South Africa
48hr Weather and Surf, issued 1 am Monday 20 Apr 2026 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
16.4° C
(Which is 1.2°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 9AM is: 4.5m 13s primary swell from a Southwest direction and 2.5m 14s secondary swell from a Southwest direction (forecast issued at 01:00am April 20). The wind direction is predicted to be onshore and the swell rating is 11.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Apr) | 15ft (4.5m) | 13s |
| Afternoon (20 Apr) | 15ft (4.5m) | 14s |
| Evening (20 Apr) | 13ft (4.0m) | 14s |
Table - waves today at Jacobs Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 20 | Tuesday 21 | Wednesday 22 | ||||||||||||||||||||||
| 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) (?) | 11 | 12 | 12 | 13 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 13 | 14 | 15 | 15 | 16 | 16 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 6281 | 6509 | 6020 | 7100 | 7827 | 7535 | 6721 | 5863 | 5110 | 4363 | 3642 | 3153 | 2669 | 2444 | 2922 | 3374 | 3610 | 3766 | 5118 | 7876 | 9558 | 9547 | 9671 | 9125 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | on | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross- off | cross- off |
High Tide / height (m) | 4:51AM 1.61 | 5:21PM 1.46 | 5:38AM 1.47 | 6:12PM 1.35 | 6:33AM 1.31 | 7:16PM 1.24 | ||||||||||||||||||
Low Tide / height (m) | 10:39PM 0.11 | 11:09AM 0.06 | 11:25PM 0.21 | 11:56AM 0.20 | 12:18AM 0.34 | 12:52PM 0.34 | ||||||||||||||||||
Monday 20 | Tuesday 21 | Wednesday 22 | ||||||||||||||||||||||
| Sunrise | - | - | - | 7:13 | - | - | - | - | - | - | - | 7:13 | - | - | - | - | - | - | - | 7:13 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:21 | - | - | - | - | - | - | - | 6:20 | - | - | - | - | - | - | - | 6:17 | - |
 | |  |  |  | |  | | |  | | | | | | | | | | | | | |  | |
Rain (mm) | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 15 | 16 | 16 | 16 | 16 | 16 | 17 | 16 | 17 | 17 | 17 | 16 | 15 | 15 | 17 | 17 | 17 |
| Feels °C (?) | 6 | 7 | 9 | 12 | 12 | 12 | 11 | 12 | 14 | 14 | 14 | 13 | 12 | 13 | 13 | 13 | 12 | 11 | 11 | 9 | 9 | 12 | 11 | 12 |
- 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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