Thermopylae 48 hour detailed Surf Forecast

Lat Long: 33.90° S 18.40° E

Issued: 1 am 29 Oct 2026 (local time)

Forecast update in hr min

Today's Thermopylae sea temperature is

15.4°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 Oct):

Morning surf: Morning surf (29 Oct, local time) - 8ft (2.4m), 14s period with WSW swell.
Afternoon surf: Afternoon surf (29 Oct, local time) - 7.5ft (2.3m), 13s period with WSW swell.
Evening surf: Evening surf (29 Oct, local time) - 7ft (2.1m), 13s period with WSW swell.

The current surf forecast for Thermopylae at 9AM is: 2.4m 14s primary swell from a West-southwest direction and 0.1m 13s secondary swell from a Northwest direction (forecast issued at 01:00am October 29). An open ocean swell of 0.8m 6s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (SAST) & Date	Wave Height	Wave Period
Morning (29 Oct)	8ft (2.4m)	14s
Afternoon (29 Oct)	7.5ft (2.3m)	13s
Evening (29 Oct)	7ft (2.1m)	13s

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

	Short Range Forecast Mostly dry. Warm (max 22°C on Thu afternoon, min 16°C on Sat night). Winds increasing (calm on Thu morning, fresh winds from the S by Fri afternoon).
	Thursday 29								Friday 30								Saturday 31
	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)	4	4	4	3	2	2	1	3	2	2	2	1	1	0	2	2	2	2	2	0	1	0	2	2
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	WSW 15	WSW 15	WSW 14	WSW 14	WSW 13	WSW 13	WSW 13	WSW 13	WSW 12	WSW 12	WSW 12	WSW 12	WSW 14	WSW 11	WSW 12	WSW 12	WSW 12	WSW 12	WSW 12	WSW 11	WSW 11	WSW 11	SW 14	SW 13
Wave Graph
kJ	2479	2445	2129	2313	1915	1753	1597	1230	505	864	769	769	1240	777	918	887	857	741	729	718	716	614	586	1027
Wind (km/h)	SSE	SE	SSW	SSW	S	S	S	S	SSE	SSE	SSE	S	S	S	S	SSE	SSE	SSE	SSE	S	S	S	S	S
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross-off	cross-off	glassy	cross-on	cross	cross	cross	cross-off	cross-off	cross-off	cross-off	cross	cross	cross	cross-off	cross-off	cross-off	cross-off	cross-off	cross	cross	cross	cross	cross
High Tide		4:58AM1.71m					5:11PM1.72m				5:46AM1.62m				6:03PM1.57m				6:44AM1.52m				7:08PM1.42m
Low Tide				10:58AM0.45m					11:27PM0.40m				11:50AM0.56m				00:19AM0.54m				12:58PM0.68m


	—	5:48	—	—	—	—	—	—	—	5:48	—	—	—	—	—	—	—	5:47	—	—	—	—	—	—
	—	—	—	—	—	7:10	—	—	—	—	—	—	—	7:12	—	—	—	—	—	—	—	7:13	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	17	17	19	21	22	21	18	17	17	17	18	21	22	20	18	17	17	17	17	19	20	19	17	17
Feels °C	15	16	19	19	19	18	14	15	15	15	16	18	18	15	15	15	15	16	16	16	18	16	15	15
Swell 1 Height (m) Direction Period (s)	WSW 15	WSW 15	WSW 14	WSW 14	WSW 13	WSW 13	WSW 13	WSW 13	WSW 12	WSW 12	WSW 12	WSW 12	WSW 14	WSW 11	WSW 12	WSW 12	WSW 12	WSW 12	WSW 12	WSW 11	WSW 11	WSW 11	W 11	SW 13
kJ	2479	2445	2129	2313	1915	1753	1597	1230	505	864	769	769	1240	777	918	887	857	741	729	718	716	614	433	1027
Swell 2 Height (m) Direction Period (s)	NW 13	NW 13	NW 13	NW 13	—	NW 12	NW 12	NW 12	SW 12	NW 12	SW 16	WSW 15	SSW 12	SW 12	SW 12	SSW 11	SSW 11	SSW 11	SSW 11	W 11	SSW 10	SW 14	SW 14	W 12
kJ	7	7	7	7	—	6	6	6	430	6	118	193	131	149	137	87	82	79	76	2	68	221	586	368
Swell 3 Height (m) Direction Period (s)	—	—	NW 13	—	—	—	NW 12	—	NW 12	—	NW 12	NW 12	NW 12	NW 12	—	W 11	W 11	W 11	W 11	WSW 16	W 11	SSW 10	SSW 10	W 11
kJ	—	—	7	—	—	—	6	—	6	—	6	6	6	6	—	2	2	2	2	26	2	67	38	2
Wind waves Height (m) Direction Period (s)	SSE 5	SSE 5	SSE 6	S 6	SSE 5	SSE 5	SSE 4	SSE 5	SSE 5	SSE 5	SSE 5	SSE 4	SSE 4	SSE 4	SSE 4	SSE 4	SSE 4	SSE 4	SSE 4	S 4	S 5	S 5	S 6	S 6
kJ	30	37	42	40	35	37	31	48	64	52	56	36	24	22	22	22	24	33	33	33	49	90	101	85
Nearest Offshore or Glassy	Thermopylae Cape Town	Thermopylae Cape Town	Thermopylae Cape Town	Off The Wall Cape Town	Dumps Cape Town	The Hoek Cape Town	Dias Beach Garden Route	Dumps Cape Town	The Wedge Cape Town	Dumps Cape Town	Haakgat Cape Town	Heaven West Coast	Ding Dangs Garden Route	Ding Dangs Garden Route	Hawston Overberg	Dumps Cape Town	Dumps Cape Town	The Wedge Cape Town	Milnerton Cape Town	Heaven West Coast	Gerickes Point Garden Route	Gerickes Point Garden Route	De Kelders Overberg	Long Beach Cape Town
Rating (10 max)	4	4	4	4	4	4	3	3	2	3	3	3	1	2	2	3	3	2	3	3	2	2	3	3
Distance (km)	0	0	0	1	8	21	344	8	6	8	17	139	344	344	87	8	8	6	10	139	405	405	115	27
Best forecast wave conditions in Cape Town	The Hoek	Kreefte Reef	Hout Bay	Sollys	Kamer Van	The Hoek		Captains	Captains	Captains	Captains					Captains	Captains	Captains	Captains					Long Beach
Rating (10 max)	4	4	4	4	4	4		4	3	3	3					4	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	Fish Boma Garden Route	Fish Boma Garden Route	Fish Boma Garden Route	Fish Boma Garden Route	Sea Vista Eastern Cape (S)	Leftovers Eastern Cape (S)	Super Tubes Eastern Cape (S)	Kromme Rivermouth Eastern Cape (S)	Fish Boma Garden Route	Fish Boma Garden Route	Fish Boma Garden Route	Kei Mouth Eastern Cape - Wild Coast	Fish Boma Garden Route	Heaven West Coast	Gerickes Point Garden Route	Gerickes Point Garden Route	Sea Vista Eastern Cape (S)	Kei Mouth Eastern Cape - Wild Coast
Rating (10 max)	4	4	4	4	4	4	4	4	4	4	4	4	3	3	3	4	3	4	3	3	2	2	3	4
Header Global	Achadas Da Cruz Portugal	Achadas Da Cruz Portugal	Blackfellows Australia	Ahijedero Mexico	Trial Harbour Australia	Trial Harbour Australia	Papatowai New Zealand	Trial Harbour Australia	Easter Reef Australia	Bay of Skaill United Kingdom	Lebu Chile	Buchupureo Chile	Nine Mile New Zealand	Sky Williams New Zealand	Dunedin - Bobs Beach New Zealand	Papatowai New Zealand	Buchupureo Chile	Buchupureo Chile	Papatowai New Zealand	Afife Portugal	Weld Road New Zealand	Achadas Da Cruz Portugal	Anawhata Road (Oaonui) New Zealand	Afife Portugal
Rating (10 max)	4	4	5	4	7	7	9	6	5	4	5	5	6	6	7	6	5	5	5	4	5	4	4	4

Map Icons:
Break
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 Oct):

Short Range Forecast

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