Thermopylae 48 hour detailed Surf Forecast

Lat Long: 33.90° S 18.40° E

Issued: 7 am 28 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 (28 Oct):

Morning surf: Morning surf (28 Oct, local time) - 2.5ft (0.7m), 10s period with SW swell.
Afternoon surf: Afternoon surf (28 Oct, local time) - 3ft (0.9m), 19s period with SW swell.
Evening surf: Evening surf (28 Oct, local time) - 6ft (1.8m), 16s period with SW swell.

The current surf forecast for Thermopylae at 12PM is: 0.8m 10s primary swell from a Southwest direction and 0.5m 9s secondary swell from a West direction, 0.4m 6s secondary swell from a South-southeast direction (forecast issued at 07:00am October 28). The wind direction is predicted to be cross-shore.

Time (SAST) & Date	Wave Height	Wave Period
Morning (28 Oct)	2.5ft (0.7m)	10s
Afternoon (28 Oct)	3ft (0.9m)	19s
Evening (28 Oct)	6ft (1.8m)	16s

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

	Short Range Forecast Mostly dry. Warm (max 22°C on Thu afternoon, min 17°C on Wed morning). Winds increasing (light winds from the SE on Wed night, fresh winds from the S by Fri afternoon).
	Wednesday 28							Thursday 29								Friday 30
	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)	2	1	0	1	2	3	4	4	4	3	3	2	2	1	3	2	3	1	0	0	0	2	2
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	SW 11	SW 10	SW 20	SW 19	SW 18	SW 16	WSW 16	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 11	WSW 11	WSW 12	WSW 12
Wave Graph
kJ	137	104	102	299	808	1172	2697	2479	2445	2129	2313	1915	1830	1597	1230	505	864	722	722	686	764	939	887
Wind (km/h)	SSE	SSE	S	S	S	SSE	SSE	SSE	SE	SSW	S	S	S	S	SSE	SSE	SSE	S	S	S	S	S	SSE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross-off	cross-off	cross	cross	cross	cross-off	cross-off	cross-off	cross-off	cross	cross	cross	cross	cross	cross-off	cross-off	cross-off	cross	cross	cross	cross	cross-off	cross-off
High Tide	4:15AM1.77m				4:27PM1.83m				4:58AM1.71m					5:11PM1.72m				5:46AM1.62m				6:03PM1.57m
Low Tide			10:14AM0.36m				10:43PM0.29m				10:58AM0.45m					11:27PM0.40m				11:50AM0.56m


	5:50	—	—	—	—	—	—	—	5:48	—	—	—	—	—	—	—	5:48	—	—	—	—	—	—
	—	—	—	—	7:09	—	—	—	—	—	—	—	7:10	—	—	—	—	—	—	—	7:12	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	16	17	20	21	20	18	17	17	17	18	20	22	21	18	17	17	18	18	20	22	20	18	18
Feels °C	15	15	16	16	16	15	15	15	16	16	17	19	18	14	14	15	16	15	17	18	15	14	16
Swell 1 Height (m) Direction Period (s)	SW 11	SW 10	SW 10	SW 10	SW 12	SW 16	WSW 16	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 11	WSW 11	WSW 12	WSW 12
kJ	137	104	102	170	656	1172	2697	2479	2445	2129	2313	1915	1830	1597	1230	505	864	722	722	686	764	939	887
Swell 2 Height (m) Direction Period (s)	W 9	W 9	W 9	SW 19	SW 18	WSW 13	NW 13	NW 13	NW 13	NW 13	NW 13	—	NW 12	NW 12	NW 12	SW 12	NW 12	WSW 16	WSW 15	SSW 12	SW 12	SW 12	SSW 12
kJ	59	59	40	299	808	689	7	7	7	7	7	—	6	6	6	430	6	95	148	131	149	135	88
Swell 3 Height (m) Direction Period (s)	SSE 6	SSE 6	SW 20	W 9	NW 13	NW 13	—	—	—	NW 13	—	—	NW 12	NW 12	—	NW 12	—	NW 12	NW 12	NW 12	NW 12	—	W 11
kJ	8	8	101	40	7	7	—	—	—	7	—	—	6	6	—	6	—	6	6	6	6	—	2
Wind waves Height (m) Direction Period (s)	—	—	SSE 6	S 3	SE 7	SSE 4	SSE 4	SSE 5	SSE 5	SSE 6	S 6	S 4	SSE 4	SSE 4	SSE 4	SSE 5	SSE 4	S 5	S 5	SSE 4	SSE 4	SSE 4	SSE 4
kJ	—	—	13	4	19	16	31	37	41	40	39	33	32	31	43	48	29	54	43	22	16	22	21
Nearest Offshore or Glassy	Thermopylae Cape Town	Thermopylae Cape Town	Dumps Cape Town	Long Beach Cape Town	Long Beach Cape Town	Milnerton Cape Town	Thermopylae Cape Town	Thermopylae Cape Town	Thermopylae Cape Town	Off The Wall Cape Town	Kamer Van Cape Town	Dumps Cape Town	Victoria Bay Garden Route	De Kelders Overberg	Koeel Bay Overberg	Dumps Cape Town	Thermopylae Cape Town	Dumps Cape Town	Ding Dangs Garden Route	Ding Dangs Garden Route	Gerickes Point Garden Route	Hawston Overberg	Dumps Cape Town
Rating (10 max)	2	1	1	2	3	4	4	4	4	4	4	4	4	4	2	3	3	3	1	2	3	2	3
Distance (km)	0	0	8	27	27	10	0	0	0	1	13	8	383	115	53	8	0	8	344	344	405	87	8
Best forecast wave conditions in Cape Town	The Hoek	The Hoek	Kamer Van	Long Beach	Long Beach	The Hoek	The Hoek	The Hoek	Kreefte Reef	Kamer Van	Kamer Van	Noordhoek				Captains	The Hoek	Beach Road					Captains
Rating (10 max)	2	1	2	2	3	4	4	4	4	4	4	4				3	3	3					4
Best forecast wave conditions in South Africa	Periwinkles Eastern Cape - Wild Coast	Gerickes Point Garden Route	Igoda Eastern Cape - Wild Coast	Reunion Durban/KZN South	Long Beach Cape Town	The Hoek Cape Town	Fish Boma Garden Route	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	Goukamma River Mouth Garden Route	Goukamma River Mouth Garden Route	Sea Vista Eastern Cape (S)	Kromme Rivermouth Eastern Cape (S)	Tubes Eastern Cape (S)	Gerickes Point Garden Route	Fish Boma Garden Route	Captains Cape Town
Rating (10 max)	2	2	2	2	3	4	4	4	4	4	4	4	4	4	4	4	4	4	4	2	3	3	4
Header Global	Cavalos de Fao Portugal	Cavalos de Fao Portugal	Anael France	Dunedin - Bobs Beach New Zealand	Achadas Da Cruz Portugal	Bancoora Australia	Dunedin - Cob Cottage New Zealand	Achadas Da Cruz Portugal	Afife Portugal	Blackfellows Australia	Ahijedero Mexico	Dunedin - Bobs Beach New Zealand	Trial Harbour Australia	Shipstern Bluff Australia	Dunedin - Bobs Beach New Zealand	Easter Reef Australia	Lebu Chile	Lebu Chile	Lebu Chile	Puertecillo Chile	Barrancon Chile	Papatowai New Zealand	Papatowai New Zealand
Rating (10 max)	5	5	5	5	4	5	5	4	4	5	4	8	6	9	9	5	5	5	5	5	4	7	6

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 (28 Oct):

Short Range Forecast

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