Thermopylae surf break

Thermopylae surfForecast / Cape Town / South Africa

information circle48hr Weather and Surf, issued 1 pm Friday 16 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
16.0° C
(Which is 3.8°C colder than average for this time of year)


How big are the waves at Thermopylae today?

The current surf forecast for Thermopylae at 9PM is: 0.9m 10s primary swell from a West-southwest direction and 1.0m 9s secondary swell from a South-southwest direction (forecast issued at 01:00pm January 16). An open ocean swell of 0.9m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (SAST) & DateWave HeightWave Period
Morning (16 Jan)3.5ft (1.1m)10s
Afternoon (16 Jan)3.5ft (1.1m)10s
Evening (16 Jan)3ft (0.9m)10s

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

Updates in  hr  min  s Forecast update imminent
Friday
16
Saturday
17
Sunday
18
Monday
19
11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM
Rating
(10 max)
0
0
0
0
1
2
1
2
1
1
0
0
2
2
3
3
3
2
1
2
2
3
3
3
Swell
Height Map
Wave Height (m) & direction (?)
1.1
SSW
1.1
SSW
1
SSW
1
SSW
1.1
S
1
SW
1.1
SW
1.1
SW
1.4
SW
1.8
SW
2.2
SW
2.2
SW
3
SW
3
SW
3.5
SW
3.5
SW
3.5
SW
3
SW
3
SW
3
SW
3
SW
2.5
SW
2.4
SW
2.2
SW
Period(s) (?)101099910101010101010101112121312121212121211
Wave
Graph
(?)Metric surfscale
Energy kJ (?)223226168168194184235240357577913906149223583425373236113116271124082180193615721191
Wind
(km/h)
25
S
25
S
30
S
25
S
20
SSE
15
SSE
10
S
5
SW
10
W
20
W
25
WSW
20
SW
20
SSW
20
SSW
20
S
15
S
20
S
25
SSW
30
S
30
S
25
SSE
25
SSE
20
SSE
20
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscrosscrosscross-
off
cross-
off
crossglassonononcross-
on
cross-
on
crosscrosscrosscrosscrosscrosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
High Tide
/ height (m)
2:11PM
1.54
2:47AM
1.57
2:47PM
1.59
3:18AM
1.64
3:21PM
1.65
3:48AM
1.71
Low Tide
/ height (m)
8:09AM
0.72
8:28PM
0.53
8:45AM
0.64
9:01PM
0.47
9:19AM
0.57
9:31PM
0.42
Friday
16
Saturday
17
Sunday
18
Monday
19
Sunrise-------5:52-------5:52-------5:54
Sunset---8:00------7:59-------7:59-----
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
------------------------
Temp. °C181818171717171819202119191817181818181717171617
Feels °C (?)141313121314151717171716161413141313121112131214
  • 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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