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Sandy Bay Surf Forecast
/ Cape Town (69 surf breaks) /
Sandy Bay surfForecast / Cape Town / South Africa
12 Day Weather and Surf, issued 1 pm Saturday 17 May 2025 SAST
Best Forecast Surf Conditions for Sandy Bay this week:
The surf forecast for Sandy Bay over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (May 17) at 8PM. The primary swell is predicted to be 5ft and 11s period with a secondary swell of 2ft and 10s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Sandy Bay in the next 12 days are 13ft 12s and forecast to arrive on Wednesday (May 21) at 8AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 4ft 5s period and expected on Friday (May 23) at 11AM.
| Wave Type | Time (SAST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8PM (Sat 17th May) | 4.5ft (1.4m) 11s |
| Best Surf | 8AM (Thu 22nd May) | 11ft (3.5m) 14s |
| Most Powerful | 8AM (Wed 21st May) | 13ft (4.0m) 12s |
Table - best surf conditions forecast for Sandy Bay over the next 12 days.
Sat 17 | Sunday 18 | Monday 19 | Tuesday 20 | Wednesday 21 | Thursday 22 | Friday 23 | Saturday 24 | Sunday 25 | Monday 26 | Tuesday 27 | Wednesday 28 | Thu 29 | ||||||||||||||||||||||||
| PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | |
Rating (10 max) | ||||||||||||||||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  |  |  |  |  |  | |||||||||||||||||||||||
| Wave Height (ft) & direction (?) | ||||||||||||||||||||||||||||||||||||
| Period(s) (?) | 11 | 11 | 11 | 10 | 9 | 8 | 10 | 9 | 9 | 10 | 12 | 12 | 12 | 13 | 14 | 13 | 13 | 13 | 14 | 14 | 13 | 12 | 15 | 14 | 14 | 14 | 13 | 13 | 12 | 12 | 12 | 11 | 10 | 10 | 10 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||
| Energy (?) | 478 | 275 | 141 | 121 | 108 | 434 | 715 | 440 | 2232 | 3176 | 3826 | 4412 | 3611 | 4243 | 4335 | 3732 | 3123 | 2288 | 2415 | 2310 | 1583 | 1335 | 2722 | 2171 | 2020 | 2037 | 1457 | 1014 | 907 | 666 | 864 | 514 | 353 | 339 | 260 | 227 |
Wind (mph) | ||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross- on | cross | cross- on | cross- on | cross | cross | glass | cross- off | cross- off | cross- off | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | cross | cross- on | cross- on | glass | cross- off | glass | cross- on | cross- on | cross- on |
High Tide / height (ft) | 6:12PM 3.97 | 6:19AM 3.84 | 7:08PM 3.84 | 7:21AM 3.64 | 8:17PM 3.84 | 8:42AM 3.54 | 9:32PM 4 | 10:07AM 3.64 | 10:40PM 4.3 | 11:19AM 3.87 | 11:39PM 4.63 | 12:19PM 4.2 | 12:31AM 4.95 | 1:11PM 4.53 | 1:21AM 5.22 | 1:59PM 4.79 | 2:09AM 5.38 | 2:45PM 4.95 | 2:56AM 5.38 | 3:30PM 4.99 | 3:43AM 5.22 | 4:16PM 4.92 | 4:30AM 4.95 | |||||||||||||
Low Tide / height (ft) | 12:13AM 1.61 | 12:38PM 1.31 | 1:15AM 1.74 | 1:39PM 1.48 | 2:36AM 1.77 | 2:54PM 1.54 | 4:01AM 1.54 | 4:11PM 1.44 | 5:12AM 1.18 | 5:18PM 1.25 | 6:10AM 0.75 | 6:17PM 0.98 | 7:01AM 0.36 | 7:09PM 0.72 | 7:49AM 0.07 | 7:59PM 0.52 | 8:34AM -0.07 | 8:47PM 0.39 | 9:19AM -0.07 | 9:35PM 0.39 | 10:04AM 0.07 | 10:23PM 0.52 | 10:49AM 0.33 | |||||||||||||
Sat 17 | Sunday 18 | Monday 19 | Tuesday 20 | Wednesday 21 | Thursday 22 | Friday 23 | Saturday 24 | Sunday 25 | Monday 26 | Tuesday 27 | Wednesday 28 | Thu 29 | ||||||||||||||||||||||||
| Sunrise | - | - | 7:33 | - | - | 7:33 | - | - | 7:35 | - | - | 7:35 | - | - | 7:35 | - | - | 7:37 | - | - | 7:37 | - | - | 7:37 | - | - | 7:39 | - | - | 7:39 | - | - | 7:39 | - | - | 7:41 |
| Sunset | 5:52 | - | - | 5:52 | - | - | 5:51 | - | - | 5:50 | - | - | 5:50 | - | - | 5:49 | - | - | 5:49 | - | - | 5:47 | - | - | 5:47 | - | - | 5:46 | - | - | 5:46 | - | - | 5:45 | - | - |
 |  | |  | | | |  |  | | |  |  | | | | | | | | | | | | | | | | | | | | | | | | |
Rain (in) | - | - | - | - | - | - | - | 0.0 | 0.4 | 0.3 | 0.0 | 0.0 | 0.0 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °F | 72 | 72 | 68 | 66 | 64 | 61 | 63 | 61 | 61 | 57 | 57 | 59 | 59 | 59 | 61 | 63 | 61 | 61 | 66 | 68 | 64 | 64 | 63 | 61 | 63 | 61 | 63 | 72 | 72 | 63 | 63 | 61 | 61 | 66 | 63 | 59 |
| Feels °F (?) | 68 | 70 | 63 | 63 | 63 | 54 | 55 | 55 | 46 | 41 | 41 | 54 | 54 | 55 | 61 | 61 | 57 | 55 | 61 | 63 | 61 | 61 | 57 | 54 | 55 | 54 | 61 | 70 | 70 | 63 | 63 | 61 | 61 | 64 | 59 | 52 |
Short Range Forecast: Moderate rain (total 0.4in), heaviest on Tue morning. Warm (max 72°F on Sat afternoon, min 55°F on Tue morning). Winds increasing (light winds from the NE on Sat night, strong winds from the NNW by Tue morning). | Days 3-6 Weather Summary Moderate rain (total 0.4in), heaviest on Tue afternoon. Very mild (max 63°F on Thu afternoon, min 55°F on Tue afternoon). Winds decreasing (strong winds from the SW on Tue afternoon, calm by Thu morning). | Days 6-9 Weather Summary Mostly dry. Warm (max 68°F on Fri night, min 59°F on Sun morning). Mainly fresh winds. | Long Range Forecast: Mostly dry. Warm (max 72°F on Mon afternoon, min 59°F on Tue night). Winds increasing (calm on Mon afternoon, fresh winds from the N by Thu afternoon). | |||||||||||||||||||||||||||||||||
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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 Sandy Bay 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.
Information about the Sandy Bay Surf forecast
The above surf forecast table for Sandy Bay provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Sandy Bay can be found by selecting the local surf guide option on the grey menu. Our Sandy Bay surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Sandy Bay) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Sandy Bay may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Are you planning a holiday in Cape Town? If you are looking for accommodation near Sandy Bay, camping, hotels and holiday cottages in Cape Town, consider staying in Cape Town which is 16 km (10 miles) away. Other places in and around Cape Town where you can find information about places to rent, and car hire include Robben Island which is 24 km (15 miles) away, Bellville, Kayamnandi and Stellenbosch.
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