Thermopylae surf break

Thermopylae surfForecast / Cape Town / South Africa

information circle48hr Weather and Surf, issued 7 am Monday 19 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
13.8° C
(Which is 6.1°C colder than average for this time of year)


How big are the waves at Thermopylae today?

The current surf forecast for Thermopylae at 2PM is: 1.9m 11s primary swell from a Southwest direction (forecast issued at 07:00am January 19). An open ocean swell of 0.6m 4s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (SAST) & DateWave HeightWave Period
Morning (19 Jan)7ft (2.2m)11s
Afternoon (19 Jan)6ft (1.9m)11s
Evening (19 Jan)5ft (1.5m)11s

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

Updates in  hr  min  s Forecast update imminent
Monday
19
Tuesday
20
Wednesday
21
Thu
22
5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM
Rating
(10 max)
3
3
2
0
0
0
0
1
2
2
2
1
2
2
3
3
3
3
1
2
2
2
3
2
Swell
Height Map
Wave Height (m) & direction (?)
2.4
SSW
2.2
SW
2.1
SW
1.9
SW
1.6
SW
1.6
SW
1.4
SW
1.4
SW
1.3
SW
1.9
SSE
1.8
SSE
2.2
SSE
2.5
SSE
1.5
SW
1.5
SW
1.5
SW
1.5
SW
1.5
SW
1.5
SW
1.5
SW
1.4
SW
2.3
SSE
1.4
SW
1.5
SW
Period(s) (?)1211111111111110107777131313121212121271212
Wave
Graph
(?)Metric surfscale
Energy kJ (?)150112131009862606553449416329326314458718769746723657635625625505473522646
Wind
(km/h)
20
SSE
20
SSE
25
S
30
S
35
S
35
SSE
35
SSE
25
SE
25
SE
25
SE
20
SSE
30
SSE
35
SSE
30
SSE
20
SE
20
SE
15
SE
15
SE
15
S
25
SSE
35
SSE
30
SSE
20
SSE
25
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
crosscrosscrosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
High Tide
/ height (m)
3:48AM
1.71
3:53PM
1.68
4:18AM
1.76
4:26PM
1.70
4:49AM
1.79
5:00PM
1.69
Low Tide
/ height (m)
9:51AM
0.51
10:02PM
0.39
10:24AM
0.47
10:32PM
0.38
10:57AM
0.45
11:04PM
0.39
Monday
19
Tuesday
20
Wednesday
21
Thu
22
Sunrise-5:54-------5:54-------5:56------
Sunset----7:59-------7:58-------7:58---
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
------------------------
Temp. °C161719202019191818182324242320181719232422202018
Feels °C (?)121315151414151515152019191817161518212117161815
  • 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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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.


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