Snow-ForecastSnow-ForecastMountain-ForecastMountain-ForecastTide-ForecastTide-ForecastWeather-ForecastWeather-Forecast
Search by country, region, or break
Search by country, region, or break

Quick Links

Surf Forecasts:

Thermopylae surf break

Thermopylae surfForecast / Cape Town / South Africa

information circle48hr Weather and Surf, issued 7 am Sunday 11 Jan 2026 SAST
Forecast update in hr  min  s Forecast update imminent
Thermopylae surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Thermopylae sea temperature is
15.3° C
 (Which is 4.4°C colder than average for this time of year)
Nearby Cam: 5km away, Clifton 4th beach webcam Live Stream, Cape Town

How big are the waves at Thermopylae today?

The current surf forecast for Thermopylae at 10AM is: 1.3m 12s primary swell from a Southwest direction and 0.4m 12s secondary swell from a Northwest direction, 1.1m 6s secondary swell from a South-southeast direction (forecast issued at 07:00am January 11). The wind direction is predicted to be cross-offshore and the swell rating is 3.

Time (SAST) & DateWave HeightWave Period
Morning (11 Jan)4.5ft (1.3m)12s
Afternoon (11 Jan)4.5ft (1.3m)12s
Evening (11 Jan)3.5ft (1.1m)20s

Table - waves today at Thermopylae. (Swell directed towards the surf break)

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Sunday
11
Monday
12
Tuesday
13
Wed
14
5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM
Rating
(10 max)
3
3
2
1
3
3
3
4
3
3
2
2
1
1
3
3
3
2
2
1
0
2
3
3
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.4
SW
1.4
SW
1.3
SW
1.3
SW
0.8
SW
1.1
SW
1.4
SW
1.8
SW
2
SW
2
SW
1.9
SW
2.3
SW
2
SW
1.9
SW
1.9
SW
1.7
SW
1.7
SW
1.7
SW
1.6
SW
1.6
SW
1.7
SW
1.7
SW
1.7
SW
1.6
SW
Period(s) (?)121212122120181716151414131313121212121211111111
Wave
Graph
(?)Metric surfscale
Energy kJ (?)540590503486538979128317131953169215051919133912281173833819813723687713701701650
Wind
(km/h)
10
SE
10
SE
10
SSW
15
S
20
SSE
20
SSE
15
SSE
10
SSE
5
S
10
S
15
S
20
SSW
25
S
25
S
20
SSE
15
SSE
10
SSE
10
S
15
SSW
20
SW
20
SSW
15
SSW
10
SSE
0
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		crosscrosscross-
off		cross-
off		cross-
off		cross-
off		crosscrosscrosscrosscrosscrosscross-
off		cross-
off		cross-
off		crosscross-
on		cross-
on		cross-
on		crosscross-
off		glass
High Tide
/ height (m)
9:12AM
1.42
9:56PM
1.23
10:24AM
1.38
11:27PM
1.24
11:41AM
1.38
12:41AM
1.30
Low Tide
/ height (m)
2:38AM
0.80
3:56PM
0.81
3:52AM
0.86
5:14PM
0.80
5:18AM
0.88
6:22PM
0.76
Sunday
11
Monday
12
Tuesday
13
Wed
14
Sunrise-5:46-------5:47-------5:48------
Sunset-----8:00-------8:00-------8:00--
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
------------------------
Temp. °C202226272522212121212223222019191919212222212120
Feels °C (?)202226262422222323232222191718192020202020212223
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

Latest Updates

The World’s Most Inconsistent Waves
Ben Mondy

The World’s Most Inconsistent Waves

Huntington, Dribbleton, Virginia, Holland and the Superbank! We recently had a look at the world’s most consistent waves. This was based on the combination of swells and wind directed at 7,000 surf spots, as compiled from our data since 2006. Those stats, represented in easy-to-read graphics, are located under each wave’s spot guides, with historical swell and wind breakdowns available by month, season, and year. There is also an offshore filter, which shows how often the swells come with clean

Read more

Read more

Discover more articles and updates in the Greenroom.

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 Thermopylae 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.

View detailed surf forecast for Thermopylae at:
surf-forecast.com

Nearest locationNearest
Nearest locationNearest
Nearest locationNearest