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Surf Forecasts:

Thermopylae surf break

Thermopylae surfForecast / Cape Town / South Africa

information circle48hr Weather and Surf, issued 1 am Wednesday 11 Mar 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
16.8° C
 (Which is 2.6°C colder than average for this time of year)

How big are the waves at Thermopylae today?

The current surf forecast for Thermopylae at 9AM is: 0.7m 14s primary swell from a Southwest direction and 0.6m 10s secondary swell from a Southwest direction (forecast issued at 01:00am March 11). The wind direction is predicted to be cross-offshore and the swell rating is 2.

Time (SAST) & DateWave HeightWave Period
Morning (11 Mar)2.5ft (0.7m)14s
Afternoon (11 Mar)2.5ft (0.8m)13s
Evening (11 Mar)3ft (0.9m)13s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Wednesday
11
Thursday
12
Friday
13
11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM
Rating
(10 max)
3
2
2
2
1
1
1
3
3
3
3
3
3
0
0
2
2
2
3
3
2
2
3
3
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.7
SW
0.7
SW
0.7
SW
0.7
SW
0.7
SW
0.8
SW
0.8
SW
0.7
SSW
1.1
SW
1.1
SW
1.1
SW
1
SW
1
SW
0.9
SW
1.2
SW
0.9
SW
0.9
SW
1.1
SW
1.1
SW
0.7
WSW
1
WSW
1.3
WSW
1.6
WSW
1.9
WSW
Period(s) (?)151514141313131613121212121312121212121918171616
Wave
Graph
(?)Metric surfscale
Energy kJ (?)209209206181176212246242386380324272295273416205195314293319582106911991811
Wind
(km/h)
15
ESE
15
E
15
E
5
NE
10
NNW
15
W
10
S
5
SSE
10
ESE
5
ESE
5
SSW
5
SSW
10
SSW
15
SSW
15
S
15
SSE
15
SSE
10
SSE
10
SSE
10
SSE
15
S
15
S
20
SSE
20
S
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		offoffglasscrossoncrosscross-
off		cross-
off		cross-
off		glasscross-
on		cross-
on		crosscrosscross-
off		cross-
off		cross-
off		cross-
off		cross-
off		crosscrosscross-
off		cross-
off
High Tide
/ height (m)
7:36AM
1.30
8:43PM
1.20
9:16AM
1.20
11:27PM
1.21
11:49AM
1.23
Low Tide
/ height (m)
1:14AM
0.87
2:11PM
0.87
2:50AM
0.98
4:30PM
0.90
5:43AM
0.95
6:12PM
0.82
Wednesday
11
Thursday
12
Friday
13
Sunrise---6:41-------6:41-------6:43----
Sunset------7:09-------7:08-------7:07-
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
------------------------
Temp. °C323131303534293032323028293030262524232326282622
Feels °C (?)302929293331282931312927282828252424232325262421
  • 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

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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 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

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