Thermopylae Surf Forecast

/ Cape Town (70 surf breaks) /

South Africa (276 surf breaks) / Lat Long: (33.90° S 18.40° E)

Surf Forecasts:

Thermopylae surfForecast / Cape Town / South Africa

48hr Weather and Surf, issued 1 pm Sunday 16 Nov 2025 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 14.0° C
(Which is 3.5°C colder than average for this time of year)

How big are the waves at Thermopylae today?

The current surf forecast for Thermopylae at 8PM is: 1.7m 12s primary swell from a Southwest direction and 0.2m 15s secondary swell from a West-northwest direction, 2.5m 7s secondary swell from a South-southeast direction (forecast issued at 01:00pm November 16). The wind direction is predicted to be cross-offshore.

Time (SAST) & Date	Wave Height	Wave Period
Morning (16 Nov)	10ft (3.0m)	13s
Afternoon (16 Nov)	6.5ft (2.0m)	13s
Evening (16 Nov)	5.5ft (1.7m)	12s

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

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Sunday 16					Monday 17								Tuesday 18								Wednesday 19
	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
Rating (10 max)	2	1	1	2	3	3	3	3	3	1	1	2	2	2	2	1	1	0	0	0	1	1	1	1
Swell Height Map See all maps
Wave Height (m) & direction (?)	SW	SW	SW	SW	SW	SW	SW	SW	SSE	SSE	SSE	SSE	SSE	SSE	SSE	SW	SW	SW	SW	SW	SW	SW	SW	SW
Period(s) (?)	13	13	13	12	12	12	12	11	8	8	8	8	7	7	7	16	16	15	15	14	14	13	13	13
Wave Graph (?)
kJ (?)	1922	1374	1092	819	678	603	497	366	308	411	531	531	369	330	241	260	361	657	606	590	526	503	437	431
Wind (km/h)	SSE	SSE	SSE	SE	SE	SE	SE	SE	SSE	S	SSE	SSE	SSE	SSE	SSE	SSE	SSE	S	SSE	SSE	SSE	SSE	SSE	SSE
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off
High Tide / height (m)		1:10PM 1.62				1:38AM 1.51				1:42PM 1.66					2:09AM 1.56				2:13PM 1.68				2:39AM 1.60
Low Tide / height (m)				7:33PM 0.50				7:34AM 0.58					8:02PM 0.45				8:04AM 0.55				8:29PM 0.42

	Sunday 16					Monday 17								Tuesday 18								Wednesday 19
Sunrise	-	-	-	-	-	-	-	5:33	-	-	-	-	-	-	-	5:33	-	-	-	-	-	-	-	5:31
Sunset	-	-	7:28	-	-	-	-	-	-	-	7:29	-	-	-	-	-	-	-	7:30	-	-	-	-	-

Rain (mm)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Temp. °C	21	20	19	19	16	15	14	16	21	24	22	21	18	16	15	17	19	20	19	18	17	16	16	17
Feels °C (?)	16	13	11	13	12	12	11	13	18	20	18	17	15	13	12	13	14	15	12	11	12	11	12	14

Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)

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.