Thermopylae 48 hour detailed Surf Forecast

Lat Long: 33.90° S 18.40° E

Issued: 7 am 29 Jul 2026 (local time)

Forecast update in hr min

Today's Thermopylae sea temperature is

13.7° C

Thermopylae surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Surf Forecasts:

How big are the waves at Thermopylae today (29 Jul):

Morning surf: Morning surf (29 Jul, local time) - 6ft (1.8m), 13s period with SW swell.
Afternoon surf: Afternoon surf (29 Jul, local time) - 6ft (1.8m), 13s period with SW swell.
Evening surf: Evening surf (29 Jul, local time) - 6ft (1.9m), 13s period with SW swell.

The current surf forecast for Thermopylae at 11AM is: 1.8m 13s primary swell from a Southwest direction and 0.7m 7s secondary swell from a Southeast direction (forecast issued at 07:00am July 29). The wind direction is predicted to be offshore and the swell rating is 4.

Time (SAST) & Date	Wave Height	Wave Period
Morning (29 Jul)	6ft (1.8m)	13s
Afternoon (29 Jul)	6ft (1.8m)	13s
Evening (29 Jul)	6ft (1.9m)	13s

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

	Short Range Forecast Mostly dry. Warm (max 21°C on Fri afternoon, min 13°C on Wed morning). Wind will be generally light.
	Wednesday 29							Thursday 30								Friday 31
	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	11 AM	2 PM	5 PM	8 PM	11 PM
Rating (10 max)	4	4	4	4	3	4	4	4	4	3	3	2	2	3	3	3	3	2	2	1	1	2	2
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	SW 13	SW 13	SW 13	SW 13	SW 13	SW 13	SW 13	SW 13	SW 13	SW 13	SW 13	SW 13	SW 13	SW 13	SW 13	SW 13	SW 13	SW 12	SW 12	SW 12	SW 12	SW 12	SW 11
Wave Graph
kJ	1247	1144	1144	1083	1099	1200	1083	1067	981	809	809	732	600	609	553	537	581	430	416	367	355	259	250
Wind (km/h)	ESE	ESE	E	SSW	SSW	S	SE	ENE	E	E	ESE	S	S	ESE	E	E	E	E	ESE	S	S	ESE	ENE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	off	off	off	glassy	cross	cross-off	cross-off	off	off	off	cross-off	cross	cross	cross-off	off	off	off	off	off	cross	cross	glassy	cross-off
High Tide	3:10AM1.57m				3:37PM1.64m				3:42AM1.61m				4:06PM1.69m				4:13AM1.63m				4:35PM1.72m
Low Tide			9:20AM0.41m				9:41PM0.49m				9:49AM0.37m				10:11PM0.45m				10:18AM0.36m				10:42PM0.42m


	7:41	—	—	—	—	—	—	—	7:39	—	—	—	—	—	—	—	7:39	—	—	—	—	—	—
	—	—	—	—	6:04	—	—	—	—	—	—	—	6:05	—	—	—	—	—	—	—	6:05	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	13	13	15	17	17	17	16	15	15	14	15	17	17	17	16	16	16	17	18	21	21	20	19
Feels °C	10	10	13	15	14	13	14	13	13	12	13	15	15	15	14	14	13	14	15	18	18	17	16
Swell 1 Height (m) Direction Period (s)	SW 13	SW 13	SW 13	SW 13	SW 13	SW 13	SW 13	SW 13	SW 13	SW 13	SW 13	SW 13	SW 13	SW 13	SW 13	SW 13	SW 13	SW 12	SW 12	SW 12	SW 12	SW 12	SW 11
kJ	1247	1144	1144	1083	1099	1200	1083	1067	981	809	809	732	600	609	553	537	581	430	416	367	355	259	250
Swell 2 Height (m) Direction Period (s)	SSE 7	SSE 7	SE 7	SSE 7	SSE 7	—	SSE 6	SSE 6	SE 6	SSE 6	SSE 6	SSE 6	—	—	SSE 6	SSE 6	SSE 6	SSE 6	SSE 8	SSE 6	SSE 6	SSE 6	WSW 16
kJ	90	66	51	34	18	—	15	15	39	15	14	13	—	—	33	22	23	16	25	15	14	13	102
Swell 3 Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	W 19	W 19	SW 18	WSW 18	WSW 18	SW 16	SE 6
kJ	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	7	7	13	30	60	68	8
Wind waves Height (m) Direction Period (s)	SE 7	SE 7	—	—	—	SE 6	SE 6	SE 6	—	—	SE 7	SE 6	SSE 6	SSE 6	SE 6	SE 6	—	—	—	SE 8	SE 7	—	—
kJ	271	206	—	—	—	40	74	56	—	—	61	47	21	31	96	76	—	—	—	79	55	—	—
Nearest Offshore or Glassy	Thermopylae Cape Town	Thermopylae Cape Town	Thermopylae Cape Town	Thermopylae Cape Town	Thermopylae Cape Town	Thermopylae Cape Town	Off The Wall Cape Town	Off The Wall Cape Town	Thermopylae Cape Town	Thermopylae Cape Town	Thermopylae Cape Town	Thermopylae Cape Town	Thermopylae Cape Town	Off The Wall Cape Town	Thermopylae Cape Town	Thermopylae Cape Town	Thermopylae Cape Town	Thermopylae Cape Town	Thermopylae Cape Town	Thermopylae Cape Town	Thermopylae Cape Town	Thermopylae Cape Town	Off The Wall Cape Town
Rating (10 max)	4	4	4	4	4	4	4	4	4	4	3	3	3	3	3	3	3	3	3	3	2	3	3
Distance (km)	0	0	0	0	0	0	1	1	0	0	0	0	0	1	0	0	0	0	0	0	0	0	1
Best forecast wave conditions in Cape Town	The Hoek	Van Riebeek	Van Riebeek	Kreefte Reef	Van Riebeek	The Hoek	The Hoek	The Hoek	Van Riebeek	The Hoek	Kreefte Reef	Kreefte Reef	Kreefte Reef	The Hoek	The Hoek	Kreefte Reef	Kreefte Reef	Van Riebeek	Kreefte Reef	Van Riebeek	Hout Bay	The Hoek	The Hoek
Rating (10 max)	4	4	4	4	4	4	4	4	4	4	3	3	3	3	3	3	3	3	3	3	2	3	3
Best forecast wave conditions in South Africa	Gerickes Point Garden Route	Fish Boma Garden Route	Gerickes Point Garden Route	Fish Boma Garden Route	Gerickes Point Garden Route	Gerickes Point Garden Route	Gerickes Point Garden Route	Periwinkles Eastern Cape - Wild Coast	Periwinkles Eastern Cape - Wild Coast	Periwinkles Eastern Cape - Wild Coast	Periwinkles Eastern Cape - Wild Coast	Periwinkles Eastern Cape - Wild Coast	Whispering Waves Eastern Cape - Wild Coast	Strandfontein West Coast	Whispering Waves Eastern Cape - Wild Coast	Whispering Waves Eastern Cape - Wild Coast	Gerickes Point Garden Route	Fish Boma Garden Route	Haga-Haga Eastern Cape - Wild Coast	Fish Boma Garden Route	Gerickes Point Garden Route	Fish Boma Garden Route	Gerickes Point Garden Route
Rating (10 max)	4	4	4	4	4	4	4	4	4	4	4	4	4	3	4	4	4	4	4	4	4	3	4
Header Global	Cobblestones Australia	Cobblestones Australia	Addington (South Beach) South Africa	Addington (South Beach) South Africa	Point Roadnight Australia	Point Roadnight Australia	Bancoora Australia	Ala Moana Bowls United States	Bancoora Australia	Ahijedero Mexico	Ahijedero Mexico	Ahijedero Mexico	Ahijedero Mexico	Ahijedero Mexico	Ahijedero Mexico	Asu Indonesia	Asu Indonesia	Addington (South Beach) South Africa	Addington (South Beach) South Africa	Addington (South Beach) South Africa	Nine Mile New Zealand	Asu Indonesia	Larsen Street New Zealand
Rating (10 max)	5	5	4	4	7	6	7	4	4	4	4	4	4	4	4	4	4	4	4	4	9	4	5

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

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Thermopylae 48 hour detailed Surf Forecast

How big are the waves at Thermopylae today (29 Jul):

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