Thermopylae 48 hour detailed Surf Forecast

Lat Long: 33.90° S 18.40° E

Issued: 7 pm 10 Jul 2026 (local time)

Forecast update in hr min

Today's Thermopylae sea temperature is

14.8° 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 (10 Jul):

Afternoon surf: Afternoon surf (10 Jul, local time) - 8ft (2.4m), 13s period with SSW swell.
Evening surf: Evening surf (10 Jul, local time) - 7ft (2.2m), 12s period with SSW swell.

The current surf forecast for Thermopylae at 11PM is: 2.1m 12s primary swell from a South-southwest direction and 0.6m 12s secondary swell from a West direction, 1.5m 6s secondary swell from a South-southeast direction (forecast issued at 07:00pm July 10). The wind direction is predicted to be cross-offshore.

Time (SAST) & Date	Wave Height	Wave Period
Morning (10 Jul)	-	-
Afternoon (10 Jul)	8ft (2.4m)	13s
Evening (10 Jul)	7ft (2.2m)	12s

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

	Short Range Forecast Mostly dry. Very mild (max 18°C on Sat afternoon, min 12°C on Fri night). Wind will be generally light.
	Fri 10			Saturday 11								Sunday 12								Mon 13
	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	11 AM	2 PM
Rating (10 max)	3	3	3	4	4	4	4	4	4	4	4	4	4	4	4	3	2	3	3	3	2	2	2	2
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	SSW 13	SSW 12	SSW 12	SSW 12	SSW 12	SSW 12	SSW 12	SSW 12	S 12	SSW 11	S 12	S 11	S 11	S 11	S 11	SSW 11	S 10	S 10	S 10	S 10	S 10	S 10	SSW 10	S 10
Wave Graph
kJ	1674	1477	1368	1368	1221	1221	1132	598	1005	503	1208	943	804	778	683	334	432	410	402	340	290	240	154	192
Wind (km/h)	SSE	SE	SE	ESE	ESE	ESE	ESE	SE	SSE	SE	ESE	ESE	ESE	ESE	ESE	S	SSW	SSE	ESE	E	E	E	NE	SW
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	off	off	cross-off	cross	glassy	glassy	glassy	glassy	glassy	glassy	cross-on
High Tide				00:04AM1.57m				12:54PM1.47m				1:10AM1.64m				1:53PM1.59m					2:08AM1.70m
Low Tide		5:45PM0.65m				6:40AM0.48m				6:57PM0.57m				7:38AM0.40m				7:58PM0.48m					8:30AM0.32m


	—	—	—	—	7:50	—	—	—	—	—	—	—	7:50	—	—	—	—	—	—	—	7:50	—	—	—
	5:52	—	—	—	—	—	—	—	5:52	—	—	—	—	—	—	—	5:52	—	—	—	—	—	—	5:53
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	15	14	13	12	12	12	14	17	18	16	15	14	14	14	15	17	18	17	16	16	15	15	16	17
Feels °C	12	11	10	9	9	10	12	15	16	14	13	11	11	12	13	15	16	15	15	15	14	14	15	15
Swell 1 Height (m) Direction Period (s)	SSW 13	SSW 12	SSW 12	SSW 12	SSW 12	SSW 12	SSW 12	SSW 12	S 12	SSW 11	S 12	S 11	S 11	S 11	S 11	SSW 11	S 10	S 10	S 10	S 10	S 10	S 10	SSW 10	S 10
kJ	1674	1477	1368	1368	1221	1221	1132	598	1005	503	1208	943	804	778	683	334	432	410	402	340	290	240	154	192
Swell 2 Height (m) Direction Period (s)	W 13	W 13	W 12	W 12	W 12	SSE 7	W 11	SW 12	SW 12	SW 12	W 12	W 11	W 11	W 11	W 11	SSE 8	W 11	W 10	W 10	W 10	W 10	W 10	SSE 9	W 9
kJ	52	78	103	136	134	121	116	448	240	209	175	163	116	114	114	113	110	75	71	69	69	68	62	41
Swell 3 Height (m) Direction Period (s)	—	W 8	W 8	—	—	W 11	SW 20	SSE 7	W 11	W 12	SW 18	SW 17	WSW 16	SW 16	SW 16	W 11	SW 15	SW 15	SW 15	SW 15	SW 15	SW 14	W 10	SW 14
kJ	—	1	1	—	—	121	15	108	163	178	12	12	26	41	40	112	36	34	33	33	33	33	46	32
Wind waves Height (m) Direction Period (s)	SSE 6	SSE 6	SSE 6	SSE 7	SSE 7	SE 6	SSE 7	SE 6	SE 6	SSE 7	SE 7	SE 7	SE 7	SE 7	SE 8	SE 8	SE 7	SE 7	SE 7	SE 7	SE 7	—	—	—
kJ	137	169	177	171	144	248	132	219	219	139	279	255	287	273	291	248	199	205	149	112	71	—	—	—
Nearest Offshore or Glassy	Off The Wall 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	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	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	4	4	4	4	4	3	3	3	3	3	2	2	2	2
Distance (km)	1	1	1	0	0	0	0	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	0	1
Best forecast wave conditions in Cape Town	Haakgat	Kreefte Reef	Kreefte Reef	Kreefte Reef	Kreefte Reef	Kreefte Reef	Kreefte Reef	Kreefte Reef	The Hoek	Kreefte Reef	Van Riebeek	The Hoek	Bali Bay (Glen Reef)	The Hoek	The Hoek	Kreefte Reef	The Hoek	The Hoek	The Hoek	The Hoek	Hout Bay	Kreefte Reef	Kreefte Reef	The Hoek
Rating (10 max)	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	3	3	3	3	3	2	2	2	2
Best forecast wave conditions in South Africa	Whispering Waves Eastern Cape - Wild Coast	Whispering Waves Eastern Cape - Wild Coast	Periwinkles Eastern Cape - Wild Coast	Whispering Waves Eastern Cape - Wild Coast	Whispering Waves Eastern Cape - Wild Coast	Periwinkles Eastern Cape - Wild Coast	Haga-Haga Eastern Cape - Wild Coast	Nahoon Reef Eastern Cape - Wild Coast	Gerickes Point Garden Route	Fish Boma Garden Route	Periwinkles Eastern Cape - Wild Coast	Periwinkles Eastern Cape - Wild Coast	Haga-Haga Eastern Cape - Wild Coast	Haga-Haga Eastern Cape - Wild Coast	Van Stadens Mouth Eastern Cape (S)	Gerickes Point Garden Route	Fish Boma Garden Route	Fish Boma Garden Route	Fish Boma Garden Route	Periwinkles Eastern Cape - Wild Coast	Haga-Haga Eastern Cape - Wild Coast	Haga-Haga Eastern Cape - Wild Coast	Fish Boma Garden Route	Bruces Beauties Eastern Cape (S)
Rating (10 max)	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	3	3	3	3	3	3	3	3	3
Header Global	Bruces Beauties South Africa	Kaifu Rivermouth Japan	Kaifu Rivermouth Japan	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Otago Peninsula - Allans Beach New Zealand	Kaifu Rivermouth Japan	Kaifu Rivermouth Japan	Kaifu Rivermouth Japan	Kaifu Rivermouth Japan	Etang-Sale Reunion	Etang-Sale Reunion	Etang-Sale Reunion	Saint Leu Reunion	Ilot Sancho Mauritius	Ilot Sancho Mauritius	Ilot Sancho Mauritius	Black Rocks Mauritius	Black Rocks Mauritius	Black Rocks Mauritius	Benkunqut Indonesia	Black Rocks Mauritius	Injidup Carpark Australia
Rating (10 max)	5	7	7	5	5	5	4	7	6	6	5	5	5	5	5	5	5	5	4	4	4	4	4	5

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

Latest Updates

Ben Mondy

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Thermopylae 48 hour detailed Surf Forecast

How big are the waves at Thermopylae today (10 Jul):

Short Range Forecast

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