Extensions 48 hour detailed Surf Forecast

Lat Long: 34.34° S 18.46° E

Issued: 7 am 31 Oct 2026 (local time)

Forecast update in hr min

Today's Extensions sea temperature is

17.6°C

Extensions 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 Extensions today (31 Oct):

Morning surf: Morning surf (31 Oct, local time) - 6ft (1.8m), 11s period with WSW swell.
Afternoon surf: Afternoon surf (31 Oct, local time) - 5.5ft (1.7m), 11s period with WSW swell.
Evening surf: Evening surf (31 Oct, local time) - 5ft (1.6m), 13s period with SW swell.

The current surf forecast for Extensions at 11AM is: 1.8m 11s primary swell from a West-southwest direction (forecast issued at 07:00am October 31). An open ocean swell of 0.2m 10s is not directed at the surf break, a second open ocean swell of 0.7m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (SAST) & Date	Wave Height	Wave Period
Morning (31 Oct)	6ft (1.8m)	11s
Afternoon (31 Oct)	5.5ft (1.7m)	11s
Evening (31 Oct)	5ft (1.6m)	13s

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

	Short Range Forecast Mostly dry. Very mild (max 17°C on Sat morning, min 15°C on Mon afternoon). Winds increasing (moderate winds from the SSE on Sun morning, strong winds from the SSE by Mon afternoon).
	Saturday 31							Sunday 1								Monday 2
	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	2	0	1	1	1	3	3	3	3	2	2	2	2	1	2	1	0	0	0	0	0
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	WSW 12	WSW 12	WSW 11	WSW 11	WSW 12	SW 13	SW 14	WSW 14	SW 14	SW 13	SW 13	SW 13	SW 13	SW 12	SW 12	SW 12	SSW 12	SW 12	SW 12	SW 12	SW 11	SW 11	SW 11
Wave Graph
kJ	843	828	799	800	705	778	1133	1831	2284	2063	1723	1791	1626	1357	1077	960	1138	734	604	583	396	382	375
Wind (km/h)	SSE	SSE	SSE	S	S	S	S	SSE	SSE	SSE	SSE	SSE	SSE	SE	SE	SE	SE	SE	SSE	SSE	SE	SE	SE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross-off	cross-off	cross-off	cross	cross	cross	cross	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		6:40AM1.26m				7:05PM1.19m				7:58AM1.19m					8:35PM1.09m				9:34AM1.18m				10:18PM1.08m
Low Tide				12:52PM0.42m				1:27AM0.41m					2:24PM0.51m				2:57AM0.48m				4:12PM0.49m


	5:46	—	—	—	—	—	—	—	5:45	—	—	—	—	—	—	—	5:43	—	—	—	—	—	—
	—	—	—	—	7:13	—	—	—	—	—	—	—	7:14	—	—	—	—	—	—	—	7:15	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	17	17	17	16	16	16	16	16	16	17	17	17	17	17	16	16	16	16	16	15	15	16	16
Feels °C	15	14	15	12	12	13	12	12	12	13	14	12	12	12	10	10	10	11	10	7	7	9	9
Swell 1 Height (m) Direction Period (s)	WSW 12	WSW 12	WSW 11	WSW 11	WSW 12	SW 13	SW 14	WSW 14	SW 14	SW 13	SW 13	SW 13	SW 13	SW 12	SW 12	SW 12	SSW 12	SW 12	SW 12	SW 12	SW 11	SW 11	SW 11
kJ	843	828	799	800	705	778	1133	1831	2284	2063	1723	1791	1626	1357	1077	960	1138	734	604	583	396	382	375
Swell 2 Height (m) Direction Period (s)	SSW 11	SSW 11	ESE 10	SSW 10	SW 14	W 11	W 12	W 12	W 12	W 12	W 12	W 12	SE 9	W 11	W 11	W 11	W 11	W 18	W 18	W 18	W 10	W 16	SSW 15
kJ	79	75	9	67	221	510	416	105	141	103	102	71	22	38	37	37	58	6	6	6	17	5	22
Swell 3 Height (m) Direction Period (s)	ESE 10	ESE 10	NW 11	ESE 9	SSW 10	NW 11	W 11	SE 9	SE 9	SE 9	SE 9	SE 9	—	E 14	ESE 9	SE 13	SE 13	W 18	—	W 18	W 18	—	W 16
kJ	9	9	5	8	65	5	2	3	3	3	3	23	—	4	16	7	7	6	—	6	6	—	5
Wind waves Height (m) Direction Period (s)	SSE 4	SSE 4	S 4	S 5	S 5	S 5	S 5	S 5	SSE 5	ESE 9	SE 5	SE 5	—	—	SE 4	SE 4	SE 4	S 6	SSE 6	SSE 6	SSE 6	SSE 6	SE 6
kJ	13	11	17	49	73	51	37	22	23	59	8	6	—	—	16	26	20	123	179	185	186	184	207
Nearest Offshore or Glassy	Olifants Bos Cape Town	Noordhoek Cape Town	Olifants Bos Cape Town	Ding Dangs Garden Route	Ding Dangs Garden Route	Long Beach Cape Town	Long Beach Cape Town	Long Beach Cape Town	Long Beach Cape Town	Olifants Bos Cape Town	Olifants Bos Cape Town	Ding Dangs Garden Route	Gourits Mouth Overberg	Pringle Bay Overberg	Moonlight Bay Overberg	Moonlight Bay Overberg	Moonlight Bay Overberg	Moonlight Bay Overberg	Heaven West Coast	Gerickes Point Garden Route	Gerickes Point Garden Route	Hawston Overberg	Koeel Bay Overberg
Rating (10 max)	3	3	3	1	1	3	3	3	4	4	4	2	3	3	2	2	2	2	3	3	3	3	1
Distance (km)	12	27	12	337	337	26	26	26	26	12	12	337	315	34	33	33	33	33	187	400	400	61	37
Best forecast wave conditions in Cape Town	Captains	Noordhoek	Olifants Bos			Long Beach	Long Beach	Kamer Van	Long Beach	Long Beach	Olifants Bos						Captains	Captains					Kreefte Reef
Rating (10 max)	4	3	3			3	3	4	4	4	4						4	4					3
Best forecast wave conditions in South Africa	Periwinkles Eastern Cape - Wild Coast	Periwinkles Eastern Cape - Wild Coast	De Kelders Overberg	Whispering Waves Eastern Cape - Wild Coast	Gerickes Point Garden Route	Periwinkles Eastern Cape - Wild Coast	Periwinkles Eastern Cape - Wild Coast	Kamer Van Cape Town	Long Beach Cape Town	Long Beach Cape Town	Kaaimans River Mouth Garden Route	Hullets Reef Eastern Cape (S)	Leftovers Eastern Cape (S)	Goukamma River Mouth Garden Route	Fish Boma Garden Route	Goukamma River Mouth Garden Route	Fish Boma Garden Route	Fish Boma Garden Route	Sea Vista Eastern Cape (S)	Gerickes Point Garden Route	Gerickes Point Garden Route	Fish Boma Garden Route	Fish Boma Garden Route
Rating (10 max)	4	4	3	1	2	3	3	4	4	4	4	3	4	4	4	4	3	3	3	3	3	3	3
Header Global	Papatowai New Zealand	Papatowai New Zealand	Ouano Lefts New Caledonia	St Vincent Left New Caledonia	Achadas Da Cruz Portugal	Niyodo Rivermouth Japan	Nunoshima Japan	Kaiser's (Hachijojima Island) Japan	Niyodo Rivermouth Japan	Afife Portugal	Ahijedero Mexico	Ahijedero Mexico	Ahijedero Mexico	Malaking Gasang (Baler) Philippines	Trial Harbour Australia	Boat Basin Lefts Guam	Ahijedero Mexico	Ahijedero Mexico	Lincoln City Nelscott Reef United States	Lebu Chile	Lincoln City Nelscott Reef United States	Lincoln City Nelscott Reef United States	Lincoln City Nelscott Reef United States
Rating (10 max)	5	5	5	5	4	5	5	5	5	4	4	4	4	4	5	4	4	4	5	5	5	5	5

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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Extensions 48 hour detailed Surf Forecast

How big are the waves at Extensions today (31 Oct):

Short Range Forecast

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