Thermopylae 48 hour detailed Surf Forecast

Lat Long: 33.90° S 18.40° E

Issued: 7 pm 09 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 (09 Jul):

Afternoon surf: Afternoon surf (09 Jul, local time) - 8ft (2.5m), 13s period with SSW swell.
Evening surf: Evening surf (09 Jul, local time) - 10ft (3.0m), 13s period with SSW swell.

The current surf forecast for Thermopylae at 11PM is: 3.0m 13s primary swell from a South-southwest direction (forecast issued at 07:00pm July 09). An open ocean swell of 1.2m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (SAST) & Date	Wave Height	Wave Period
Morning (09 Jul)	-	-
Afternoon (09 Jul)	8ft (2.5m)	13s
Evening (09 Jul)	10ft (3.0m)	13s

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 Thu night). Wind will be generally light.
	Thu 9			Friday 10								Saturday 11								Sun 12
	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	3	3	3	3	3	4	4	4	4	4	4	4	4	4	4	4	4	3
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	SW 13	SSW 13	SSW 13	SSW 14	SSW 14	SSW 13	SSW 13	SSW 13	SSW 13	SSW 12	SSW 12	SSW 12	SSW 12	SSW 12	SSW 12	SSW 12	SSW 11	SSW 11	SSW 12	S 11	S 11	S 11	S 11	SSW 11
Wave Graph
kJ	2241	2801	2801	2352	2911	2789	2684	2470	1674	1477	1258	1258	1221	1221	1132	598	716	593	784	943	804	695	683	379
Wind (km/h)	SSE	SSE	SSE	SSE	SE	SE	SE	SSE	SSE	SE	SE	SE	ESE	ESE	ESE	SSE	SSE	SE	SE	ESE	ESE	ESE	ESE	SSE
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	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off
High Tide			10:50PM1.53m					11:44AM1.38m				00:04AM1.57m				12:54PM1.47m				1:10AM1.64m				1:53PM1.59m
Low Tide	4:25PM0.68m					5:33AM0.56m				5:45PM0.65m				6:40AM0.48m				6:57PM0.57m				7:38AM0.40m


	—	—	—	—	7:50	—	—	—	—	—	—	—	7:50	—	—	—	—	—	—	—	7:50	—	—	—
	5:51	—	—	—	—	—	—	—	5:52	—	—	—	—	—	—	—	5:52	—	—	—	—	—	—	5:52
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	13	13	12	12	12	12	13	14	15	14	13	12	12	12	13	16	18	16	15	14	14	14	15	17
Feels °C	8	9	8	8	8	9	10	10	11	11	10	9	9	10	11	14	16	13	13	12	12	12	13	15
Swell 1 Height (m) Direction Period (s)	SW 13	SSW 13	SSW 13	SSW 14	SSW 14	SSW 13	SSW 13	SSW 13	SSW 13	SSW 12	SSW 12	SSW 12	SSW 12	SSW 12	SSW 12	SSW 12	SSW 11	SSW 11	SSW 12	S 11	S 11	S 11	S 11	SSW 11
kJ	2241	2801	2801	2352	2911	2789	2684	2470	1674	1477	1258	1258	1221	1221	1132	598	716	593	784	943	804	695	683	379
Swell 2 Height (m) Direction Period (s)	—	—	—	SW 13	SW 13	W 15	W 14	W 14	W 13	W 13	W 12	W 12	W 12	W 11	W 11	SW 12	SW 12	SW 12	W 12	W 11	W 11	W 11	W 11	SSE 8
kJ	—	—	—	796	431	17	16	34	52	78	103	136	134	121	116	448	178	212	175	163	152	114	114	142
Swell 3 Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	W 8	W 8	—	—	W 20	SW 20	W 11	W 12	W 12	SW 18	SW 17	WSW 16	SW 16	SW 16	W 11
kJ	—	—	—	—	—	—	—	—	—	1	1	—	—	7	15	84	166	178	12	12	26	41	40	112
Wind waves Height (m) Direction Period (s)	SSE 5	—	SE 5	SE 5	SE 5	SSE 6	SE 6	SE 6	SSE 6	SSE 6	SSE 7	SSE 7	SSE 7	SSE 7	SSE 7	SSE 7	SSE 7	SSE 7	SSE 7	SE 6	SE 6	SE 7	SE 7	SE 8
kJ	64	—	68	59	91	154	154	189	197	210	223	166	144	153	158	108	136	149	139	220	213	263	331	313
Nearest Offshore or Glassy	Heaven West Coast	Off The Wall Cape Town	Off The Wall Cape Town	Off The Wall Cape Town	Off The Wall Cape Town	Thermopylae Cape Town	Off The Wall Cape Town	Off The Wall Cape Town	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
Rating (10 max)	4	4	4	5	5	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	3
Distance (km)	139	1	1	1	1	0	1	1	1	1	1	0	0	0	0	0	0	0	0	0	0	0	0	0
Best forecast wave conditions in Cape Town		Kamer Van	Kreefte Reef	Haakgat	Sollys	Kreefte Reef	Kreefte Reef	Haakgat	Haakgat	Kreefte Reef	Kreefte Reef	Kreefte Reef	Kreefte Reef	Kreefte Reef	Kreefte Reef	Kreefte Reef	The Hoek	Kreefte Reef	Kreefte Reef	The Hoek	The Hoek	Bali Bay (Glen Reef)	The Hoek	Kreefte Reef
Rating (10 max)		4	4	5	5	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	3
Best forecast wave conditions in South Africa	Super Tubes Eastern Cape (S)	Fish Boma Garden Route	Haga-Haga 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	Whispering Waves Eastern Cape - Wild Coast	Whispering Waves Eastern Cape - Wild Coast	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	Fish Boma Garden Route	Gerickes Point Garden Route	Gerickes Point Garden Route	Fish Boma Garden Route	Fish Boma Garden Route	Fish Boma Garden Route	Haga-Haga Eastern Cape - Wild Coast	Haga-Haga Eastern Cape - Wild Coast	Igoda Eastern Cape - Wild Coast	Gerickes Point Garden Route
Rating (10 max)	5	5	5	5	5	5	5	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	3
Header Global	Baler - Lindy's Point Philippines	Weld Road New Zealand	Boneyards South Africa	Kaifu Rivermouth Japan	Barbel Point South Africa	Barbel Point South Africa	Papatowai New Zealand	Bruces Beauties South Africa	Kaifu Rivermouth Japan	Kaifu Rivermouth Japan	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Otago Peninsula - Allans Beach New Zealand	Injidup Carpark Australia	Kaifu Rivermouth Japan	Kaifu Rivermouth Japan	Kaifu Rivermouth Japan	Etang-Sale Reunion	Etang-Sale Reunion	Etang-Sale Reunion	Saint Leu Reunion	Chameau Mauritius
Rating (10 max)	6	6	6	6	5	5	6	5	6	7	5	5	5	5	4	5	6	6	5	5	5	5	5	4

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 (09 Jul):

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