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Big Bay Surf Forecast
/ Cape Town (70 surf breaks) /
Surf Forecasts:
Big Bay surfForecast / Cape Town / South Africa
48hr Weather and Surf, issued 7 am Thursday 14 May 2026 SASTForecast update in hr min s Forecast update imminent
Big Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Big Bay sea temperature is
15.5° C
(Which is 1.6°C colder than average for this time of year)How big are the waves at Big Bay today?
The current surf forecast for Big Bay at 3PM is: 2.0m 11s primary swell from a South-southwest direction and 1.5m 11s secondary swell from a West-southwest direction (forecast issued at 07:00am May 14). The wind direction is predicted to be onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 May) | 7.5ft (2.3m) | 12s |
| Afternoon (14 May) | 6.5ft (2.0m) | 11s |
| Evening (14 May) | 5ft (1.5m) | 13s |
Table - waves today at Big Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 20°C on Sat afternoon, min 13°C on Thu morning). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 14 | Friday 15 | Saturday 16 | Sun 17 | |||||||||||||||||||||
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 | 11 PM | 2 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SSW 12 | SSW 12 | SSW 12 | SSW 11 | SSW 11 | WSW 13 | WSW 13 | WSW 13 | SSW 14 | S 14 | SSW 14 | SSW 14 | S 14 | SW 14 | SW 14 | SW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 13 | WSW 13 | WSW 13 | |
1715 | 1568 | 1319 | 1014 | 711 | 699 | 594 | 534 | 811 | 1298 | 1817 | 1928 | 1949 | 2554 | 2596 | 2243 | 1859 | 1597 | 1342 | 1154 | 1016 | 928 | 799 | 700 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | glassy | glassy | on | cross-on | glassy | glassy | glassy | glassy | glassy | cross-off | cross | cross-off | cross-off | cross-off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 1:30PM1.40m | 1:39AM1.59m | 2:14PM1.48m | 2:23AM1.65m | 2:57PM1.53m | |||||||||||||||||||
Low Tide | 7:21AM0.11m | 7:29PM0.22m | 8:04AM0.02m | 8:13PM0.14m | 8:46AM-0.04m | 8:59PM0.10m | ||||||||||||||||||
 |  | | | | | | | | | | | | | | | | | | | | | | | |
 | 7:28 | — | — | — | — | — | — | — | 7:30 | — | — | — | — | — | — | — | 7:31 | — | — | — | — | — | — | 7:31 |
 | — | — | — | — | 5:53 | — | — | — | — | — | — | — | 5:53 | — | — | — | — | — | — | — | 5:52 | — | — | 5:52 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 13 | 13 | 14 | 15 | 16 | 16 | 15 | 15 | 15 | 15 | 16 | 17 | 17 | 16 | 16 | 15 | 14 | 14 | 16 | 20 | 20 | 19 | 18 | 18 |
12 | 12 | 13 | 14 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 15 | 14 | 14 | 14 | 14 | 13 | 12 | 14 | 18 | 18 | 18 | 17 | 17 | |
Swell 1 Height (m) Direction Period (s) | SSW 12 | SSW 12 | SSW 12 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 10 | S 14 | SSW 14 | SSW 14 | S 14 | SW 14 | SW 14 | SW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 13 | WSW 13 | WSW 13 |
 kJ | 1715 | 1568 | 1319 | 1014 | 711 | 597 | 521 | 460 | 494 | 1298 | 1817 | 1928 | 1949 | 2554 | 2596 | 2243 | 1859 | 1597 | 1342 | 1154 | 1016 | 928 | 799 | 700 |
Swell 2 Height (m) Direction Period (s) | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 12 | WSW 13 | WSW 13 | WSW 13 | SSW 14 | SW 11 | SW 11 | SW 11 | SW 12 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 | S 12 |
| kJ | 800 | 667 | 593 | 515 | 655 | 699 | 594 | 534 | 811 | 453 | 375 | 463 | 840 | 1756 | 1465 | 1247 | 1104 | 971 | 826 | 566 | 628 | 544 | 333 | 268 |
Swell 3 Height (m) Direction Period (s) | SW 19 | WSW 19 | WSW 18 | SW 18 | SW 18 | WSW 16 | WSW 16 | SSW 14 | WSW 12 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | — | — | — | — | — | — | S 6 | — | — | — | — |
| kJ | 15 | 37 | 61 | 80 | 81 | 151 | 291 | 331 | 413 | 439 | 439 | 766 | 1014 | — | — | — | — | — | — | 35 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SSE 5 | SSE 5 | SSE 5 | S 6 | S 6 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 40 | 48 | 50 | 42 | 54 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 29 | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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