Thermopylae 48 hour detailed Surf Forecast

Lat Long: 33.90° S 18.40° E

Issued: 1 am 28 Jul 2026 (local time)

Forecast update in hr min

Today's Thermopylae sea temperature is

14.0° 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 (28 Jul):

Morning surf: Morning surf (28 Jul, local time) - 8ft (2.4m), 14s period with SW swell.
Afternoon surf: Afternoon surf (28 Jul, local time) - 7.5ft (2.3m), 14s period with SW swell.
Evening surf: Evening surf (28 Jul, local time) - 7ft (2.2m), 14s period with SW swell.

The current surf forecast for Thermopylae at 7AM is: 2.4m 15s primary swell from a Southwest direction and 2.1m 7s secondary swell from a South-southeast direction (forecast issued at 01:00am July 28). The wind direction is predicted to be cross-offshore.

Time (SAST) & Date	Wave Height	Wave Period
Morning (28 Jul)	8ft (2.4m)	14s
Afternoon (28 Jul)	7.5ft (2.3m)	14s
Evening (28 Jul)	7ft (2.2m)	14s

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

	Short Range Forecast Mostly dry. Very mild (max 18°C on Thu afternoon, min 12°C on Tue morning). Wind will be generally light.
	Tuesday 28								Wednesday 29								Thursday 30
	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	11 AM	2 PM	5 PM	8 PM	11 PM
Rating (10 max)	3	3	2	2	3	4	4	4	4	4	4	4	4	3	3	4	3	3	3	3	3	2	3	3
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	SW 15	SW 15	SW 15	SW 14	SW 14	SW 14	SW 14	SW 14	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
Wave Graph
kJ	3237	2754	2424	2509	2201	2140	1785	1615	1367	1247	1144	1053	1083	1099	1200	1083	976	891	809	809	732	732	673	683
Wind (km/h)	SE	SE	SE	SE	ESE	ESE	ESE	ESE	ESE	ESE	E	E	SW	S	S	SE	ENE	E	E	E	S	S	SSE	ENE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross-off	cross-off	cross-off	cross-off	cross-off	off	cross-off	off	cross-off	off	off	off	cross-on	cross	cross	cross-off	off	off	off	glassy	glassy	cross	glassy	cross-off
High Tide		2:37AM1.51m				3:08PM1.58m				3:10AM1.57m				3:37PM1.64m				3:42AM1.61m				4:06PM1.69m
Low Tide				8:50AM0.46m				9:09PM0.55m				9:20AM0.41m				9:41PM0.49m				9:49AM0.37m				10:11PM0.45m


	—	7:41	—	—	—	—	—	—	—	7:41	—	—	—	—	—	—	—	7:39	—	—	—	—	—	—
	—	—	—	—	—	6:02	—	—	—	—	—	—	—	6:04	—	—	—	—	—	—	—	6:05	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	13	13	12	14	17	17	15	13	13	13	13	14	17	17	16	16	15	15	15	16	18	18	18	17
Feels °C	8	8	6	8	12	13	13	11	11	11	10	11	15	14	13	14	13	13	13	14	16	16	16	14
Swell 1 Height (m) Direction Period (s)	SW 15	SW 15	SW 15	SW 14	SW 14	SW 14	SW 14	SW 14	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
kJ	3237	2754	2424	2509	2201	2140	1785	1615	1367	1247	1144	1053	1083	1099	1200	1083	976	891	809	809	732	732	673	683
Swell 2 Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	SSE 7	SSE 7	SSE 7	SSE 7	SSE 7	—	SSE 6	SSE 6	SSE 6	SE 6	SE 6	SSE 6	SSE 5	SSE 5	SE 6
kJ	—	—	—	—	—	—	—	—	—	93	96	66	31	18	—	15	14	15	9	9	6	6	6	9
Swell 3 Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
kJ	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Wind waves Height (m) Direction Period (s)	SSE 7	SSE 7	SSE 7	SSE 7	SSE 7	SE 7	SSE 7	SSE 7	SE 7	SE 7	SE 7	SE 7	—	—	SE 6	SE 6	—	—	—	—	—	—	—	—
kJ	489	437	407	383	342	330	243	178	126	305	234	169	—	—	51	54	—	—	—	—	—	—	—	—
Nearest Offshore or Glassy	Dumps Cape Town	Dumps Cape Town	Dumps Cape Town	Dumps 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	Dumps 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	Thermopylae Cape Town	Off The Wall Cape Town	Thermopylae Cape Town	Thermopylae Cape Town
Rating (10 max)	4	4	4	4	4	4	4	4	4	4	4	4	3	4	4	4	3	3	3	3	3	3	3	3
Distance (km)	8	8	8	8	1	0	0	0	0	0	0	0	8	1	1	0	0	0	0	0	0	1	0	0
Best forecast wave conditions in Cape Town	Big Bay	Haakgat	Kamer Van	Kamer Van	Haakgat	Haakgat	Haakgat	Haakgat	Van Riebeek	Kreefte Reef	Kreefte Reef	Van Riebeek	Hout Bay	The Hoek	The Hoek	Van Riebeek	Kreefte Reef	Kreefte Reef	Kreefte Reef	Kreefte Reef	The Hoek	The Hoek	Van Riebeek	Kreefte Reef
Rating (10 max)	5	4	4	4	4	4	4	4	4	4	4	4	3	4	4	4	3	3	3	3	3	3	3	3
Best forecast wave conditions in South Africa	Fish Boma Garden Route	Fish Boma Garden Route	Fish Boma Garden Route	Gerickes Point Garden Route	Gerickes Point Garden Route	Gerickes Point Garden Route	Gerickes Point Garden Route	Gerickes Point Garden Route	Gerickes Point Garden Route	Fish Boma Garden Route	Fish Boma Garden Route	Haga-Haga Eastern Cape - Wild Coast	Gerickes Point Garden Route	Gerickes Point Garden Route	Gerickes Point Garden Route	Haga-Haga Eastern Cape - Wild Coast	Whispering Waves Eastern Cape - Wild Coast	Whispering Waves Eastern Cape - Wild Coast	Whispering Waves Eastern Cape - Wild Coast	Fish Boma Garden Route	Whispering Waves Eastern Cape - Wild Coast	Whispering Waves Eastern Cape - Wild Coast	Whispering Waves Eastern Cape - Wild Coast	Periwinkles Eastern Cape - Wild Coast
Rating (10 max)	6	5	5	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4
Header Global	Fish Boma South Africa	Cape St Martin South Africa	Cape St Martin South Africa	Etang-Sale Reunion	Punta Palmilla Mexico	Chameau Mauritius	Cobblestones Australia	Cobblestones Australia	Cobblestones Australia	Cobblestones Australia	Ahijedero Mexico	Ahijedero Mexico	Point Roadnight Australia	Point Roadnight Australia	Ala Moana Bowls United States	Bancoora Australia	Ahijedero Mexico	Ahijedero Mexico	Ahijedero Mexico	Ahijedero Mexico	Ahijedero Mexico	Ahijedero Mexico	Asu Indonesia	Asu Indonesia
Rating (10 max)	6	5	5	5	6	5	5	5	5	5	4	4	7	5	4	4	4	4	4	4	4	4	4	4

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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 (28 Jul):

Short Range Forecast

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