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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 1 pm Sunday 31 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
16.2° C
(Which is normal for this time of year)How big are the waves at Big Bay today (31 May):
- Morning surf: Morning surf (31 May, local time) - 5.5ft (1.7m), 12s period with SW swell.
- Afternoon surf: Afternoon surf (31 May, local time) - 5ft (1.6m), 11s period with SW swell.
- Evening surf: Evening surf (31 May, local time) - 5ft (1.5m), 12s period with SW swell.
The current surf forecast for Big Bay at 6PM is: 1.5m 12s primary swell from a Southwest direction (forecast issued at 01:00pm May 31). The wind direction is predicted to be glassy and the swell rating is 3.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 May) | 5.5ft (1.7m) | 12s |
| Afternoon (31 May) | 5ft (1.6m) | 11s |
| Evening (31 May) | 5ft (1.5m) | 12s |
Table - waves today at Big Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Mon night. Warm (max 21°C on Sun afternoon, min 14°C on Tue night). Winds increasing (calm on Mon morning, fresh winds from the SE by Wed morning). | ||||||||||||||||||||||||
Sun 31 | Monday 1 | Tuesday 2 | Wed 3 | |||||||||||||||||||||
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 | 5 AM | 8 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SW 12 | SW 11 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 12 | WSW 12 | WSW 12 | WSW 11 | WSW 11 | SW 10 | WSW 11 | S 7 | S 8 | SW 13 | SW 13 | SW 13 | SW 13 | |
752 | 673 | 655 | 604 | 594 | 503 | 593 | 582 | 645 | 739 | 859 | 1116 | 1144 | 1024 | 1043 | 1186 | 1026 | 611 | 410 | 501 | 525 | 1011 | 1067 | 1034 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | cross | cross | off | cross-off | glassy | glassy | glassy | glassy | glassy | on | cross-on | on | on | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 3:25PM1.35m | 3:30AM1.38m | 3:59PM1.34m | 4:05AM1.35m | 4:34PM1.33m | 4:39AM1.31m | ||||||||||||||||||
Low Tide | 9:16AM0.19m | 9:28PM0.31m | 9:48AM0.21m | 10:02PM0.33m | 10:21AM0.23m | 10:37PM0.36m | ||||||||||||||||||
 | | |  | | | | |  | | |  | | |  | |  | | | | | | | | |
 | — | — | — | — | — | — | 7:41 | — | — | — | — | — | — | — | 7:41 | — | — | — | — | — | — | — | 7:43 | — |
 | — | — | 5:45 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | 5:45 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | |
Temp °C | 19 | 21 | 18 | 19 | 18 | 18 | 18 | 17 | 18 | 19 | 17 | 17 | 16 | 16 | 15 | 15 | 15 | 16 | 15 | 14 | 14 | 14 | 14 | 14 |
18 | 20 | 17 | 18 | 17 | 18 | 17 | 17 | 17 | 19 | 16 | 17 | 16 | 16 | 14 | 13 | 12 | 10 | 8 | 8 | 9 | 10 | 8 | 8 | |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 11 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 12 | WSW 12 | WSW 12 | WSW 11 | WSW 11 | SW 10 | WSW 11 | WSW 10 | WSW 11 | SW 13 | SW 13 | SW 13 | SW 13 |
 kJ | 752 | 673 | 655 | 604 | 594 | 503 | 593 | 582 | 645 | 739 | 859 | 1116 | 1144 | 1024 | 1043 | 1186 | 1026 | 611 | 410 | 415 | 525 | 1011 | 1067 | 1034 |
Swell 2 Height (m) Direction Period (s) | — | — | — | W 12 | W 12 | W 12 | W 12 | — | — | — | S 13 | S 13 | W 11 | S 12 | S 12 | SSW 11 | SSW 11 | SW 11 | SW 10 | SW 14 | W 11 | W 11 | W 11 | W 11 |
| kJ | — | — | — | 3 | 3 | 3 | 3 | — | — | — | 14 | 14 | 2 | 12 | 12 | 76 | 85 | 119 | 160 | 206 | 242 | 242 | 149 | 149 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | NW 12 | — | — | — | W 12 | W 12 | W 12 | W 11 | NW 11 | W 11 | W 11 | W 11 | W 11 | W 11 | SW 15 | SW 10 | SW 10 | — | — | — |
| kJ | — | — | — | — | 6 | — | — | — | 3 | 3 | 3 | 2 | 5 | 2 | 2 | 2 | 2 | 2 | 56 | 104 | 188 | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SSW 8 | S 7 | S 8 | S 8 | SSE 7 | SSE 7 | SSE 7 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 196 | 396 | 501 | 403 | 365 | 420 | 456 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 6 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 29 | 29 | 0 | 34 | 0 | 0 | 15 | 130 | 340 | 56 | 0 | 0 | 91 | 56 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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