Kosi Bay 48 hour detailed Surf Forecast

Lat Long: 26.87° S 32.89° E

Issued: 7 pm 13 Jul 2026 (local time)

Forecast update in hr min

Today's Kosi Bay sea temperature is

23.6° C

Kosi Bay 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 Kosi Bay today (14 Jul):

Afternoon surf: Afternoon surf (14 Jul, local time) - 4.5ft (1.4m), 8s period with SE swell.
Evening surf: Evening surf (14 Jul, local time) - 4.5ft (1.3m), 8s period with SE swell.

The current surf forecast for Kosi Bay at 12AM is: 1.3m 8s primary swell from a Southeast direction and 0.6m 11s secondary swell from a South direction (forecast issued at 07:00pm July 13). The wind direction is predicted to be cross-onshore.

Time (SAST) & Date	Wave Height	Wave Period
Morning (14 Jul)	-	-
Afternoon (14 Jul)	4.5ft (1.4m)	8s
Evening (14 Jul)	4.5ft (1.3m)	8s

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

	Short Range Forecast Mostly dry. Warm (max 22°C on Tue afternoon, min 17°C on Mon night). Wind will be generally light.
	Mon 13			Tuesday 14								Wednesday 15								Thu 16
	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)	0	0	0	1	1	1	0	0	0	2	3	3	3	2	3	2	1	1	3	2	2	2	0	0
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	SE 8	SE 8	SE 8	SE 8	SE 8	SE 9	SE 10	SE 10	SE 10	SE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10
Wave Graph
kJ	215	200	205	200	253	586	745	817	947	1039	1067	1088	1042	904	778	761	937	919	792	792	706	706	598	512
Wind (km/h)	SSE	SSE	S	SW	SW	SW	SSW	S	SSE	SE	SSE	SW	SW	SW	SSE	E	E	E	SSW	SW	SSW	SSW	S	SSE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	on	on	cross-on	cross	cross	cross	cross-on	cross-on	on	on	cross-on	cross	cross	cross	glassy	cross-on	cross-on	cross-on	glassy	cross	cross	cross	cross-on	on
High Tide	3:08PM1.93m				3:30AM2.03m				3:54PM2.08m				4:13AM2.11m				4:37PM2.18m				4:53AM2.14m
Low Tide			9:15PM0.24m				9:40AM0.16m				10:02PM0.14m				10:22AM0.07m				10:44PM0.10m					11:01AM0.02m


	—	—	—	—	6:35	—	—	—	—	—	—	—	6:35	—	—	—	—	—	—	—	6:35	—	—	—
	5:10	—	—	—	—	—	—	—	5:10	—	—	—	—	—	—	—	5:12	—	—	—	—	—	—	5:12
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	20	20	20	18	17	17	20	22	21	21	21	20	19	18	21	22	21	22	21	20	19	18	21	22
Feels °C	19	19	20	17	16	16	18	20	19	21	22	21	19	18	22	22	21	21	22	20	19	18	20	21
Swell 1 Height (m) Direction Period (s)	SE 8	SE 8	SE 8	SE 8	SE 8	SE 9	SE 10	SE 10	SE 10	SE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10
kJ	215	200	205	200	253	586	745	817	947	1039	1067	1088	1042	904	778	761	937	919	792	792	706	706	598	512
Swell 2 Height (m) Direction Period (s)	S 12	S 11	S 11	S 11	S 11	S 11	S 10	S 10	SSW 10	S 10	SSW 10	SSW 10	S 10	S 10	S 10	S 10	SSW 10	SSW 10	S 10	S 11	SSE 11	SSE 10	SSE 10	SSE 10
kJ	65	58	87	87	110	62	108	53	35	32	21	20	18	8	17	7	19	19	7	9	12	11	20	18
Swell 3 Height (m) Direction Period (s)	S 14	S 14	S 14	S 14	S 13	—	—	—	—	—	—	—	—	—	—	—	—	—	—	S 9	S 9	S 9	S 13	SSW 9
kJ	62	59	58	32	31	—	—	—	—	—	—	—	—	—	—	—	—	—	—	2	6	6	3	8
Wind waves Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
kJ	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Nearest Offshore or Glassy	Reunion Durban/KZN South	Siyayi KZN North	Cape Vidal KZN North	Cape Vidal KZN North	Cape Vidal KZN North	Cape Vidal KZN North	Mapelane KZN North	Reunion Durban/KZN South	Reunion Durban/KZN South	Mtunzini KZN North	Sodwana KZN North	Cape Vidal KZN North	Sodwana KZN North	Sodwana KZN North	Kosi Bay KZN North	Mpande Bay Eastern Cape - Wild Coast	Sunrise KZN North	Mapelane KZN North	Kosi Bay KZN North	St Lucia KZN North	St Lucia KZN North	Mapelane KZN North	Alkantstrand KZN North	Alkantstrand KZN North
Rating (10 max)	2	2	2	2	3	3	3	3	3	3	4	4	4	3	3	3	3	3	3	3	3	3	3	2
Distance (km)	380	271	144	144	144	144	177	380	380	258	25	144	25	25	0	642	344	177	0	173	173	177	228	228
Best forecast wave conditions in KwaZulu-Natal North Coast		Umhlanga	Richards Bay (Outside)	Richards Bay (Outside)	Richards Bay (Outside)	Umhlanga	Richards Bay (Inside)			Umhlanga	Umhlanga	Umhlanga	Mapelane	Richards Bay (Outside)	Richards Bay (Outside)		Sunrise	Richards Bay (Outside)	Richards Bay (Outside)	Richards Bay (Outside)	Richards Bay (Outside)	Umhlanga	Umhlanga	Alkantstrand
Rating (10 max)		2	2	3	3	3	3			4	4	4	4	3	3		3	3	3	3	3	3	3	2
Best forecast wave conditions in South Africa	Gerickes Point Garden Route	Queensberry Bay Eastern Cape - Wild Coast	Queensberry Bay Eastern Cape - Wild Coast	Goukamma River Mouth Garden Route	Yellow sands Point Eastern Cape - Wild Coast	Glen Eden Eastern Cape - Wild Coast	Gonubie Reef (The Lefts) Eastern Cape - Wild Coast	Reunion Durban/KZN South	Gonubie Reef (The Lefts) Eastern Cape - Wild Coast	Hole-in-the-Wall Eastern Cape - Wild Coast	Amanzimtoti Durban/KZN South	Amanzimtoti Durban/KZN South	Amanzimtoti Durban/KZN South	Gonubie Reef (The Lefts) Eastern Cape - Wild Coast	Dungeons Cape Town	Barbel Point Eastern Cape - Wild Coast	Paranoia Overberg	Paranoia Overberg	Paranoia Overberg	Gerickes Point Garden Route	Gerickes Point Garden Route	Fish Boma Garden Route	Gerickes Point Garden Route	Goukamma River Mouth Garden Route
Rating (10 max)	2	3	3	3	3	3	3	3	3	4	4	4	4	3	3	3	4	4	4	5	5	5	4	4
Header Global	Bancoora Australia	Bullies Australia	Buchupureo Chile	Buchupureo Chile	Buchupureo Chile	Puertecillo Chile	Lebu Chile	Cathedral Rock Australia	Fox River New Zealand	Cathedral Rock Australia	Cathedral Rock Australia	Cathedral Rock Australia	Amanzimtoti South Africa	Bancoora Australia	Barrancon Chile	Bancoora Australia	Balnarring Point Australia	Shipstern Bluff Australia	Baboon Point South Africa	Fish Boma South Africa	Boneyards South Africa	Boneyards South Africa	Cobblestones Australia	Easter Reef Australia
Rating (10 max)	5	7	8	7	7	6	6	9	6	8	8	7	4	4	4	4	4	9	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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Kosi Bay 48 hour detailed Surf Forecast

How big are the waves at Kosi Bay today (14 Jul):

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