Kosi Bay 48 hour detailed Surf Forecast

Lat Long: 26.87° S 32.89° E

Issued: 1 am 15 Jul 2026 (local time)

Forecast update in hr min

Today's Kosi Bay sea temperature is

23.8° 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 (15 Jul):

Morning surf: Morning surf (15 Jul, local time) - 6.5ft (2.0m), 10s period with ESE swell.
Afternoon surf: Afternoon surf (15 Jul, local time) - 6.5ft (2.0m), 10s period with ESE swell.
Evening surf: Evening surf (15 Jul, local time) - 6.5ft (2.0m), 10s period with ESE swell.

The current surf forecast for Kosi Bay at 8AM is: 1.9m 10s primary swell from a East-southeast direction and 0.3m 10s secondary swell from a South direction (forecast issued at 01:00am July 15). The wind direction is predicted to be cross-offshore and the swell rating is 3.

Time (SAST) & Date	Wave Height	Wave Period
Morning (15 Jul)	6.5ft (2.0m)	10s
Afternoon (15 Jul)	6.5ft (2.0m)	10s
Evening (15 Jul)	6.5ft (2.0m)	10s

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

	Short Range Forecast Mostly dry. Warm (max 23°C on Fri afternoon, min 17°C on Wed morning). Wind will be generally light.
	Wednesday 15								Thursday 16								Friday 17
	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	5 PM	8 PM	11 PM
Rating (10 max)	3	3	3	3	1	1	1	1	2	2	2	1	0	0	0	2	2	2	2	2	1	0	1	2
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 11	ESE 11	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	ESE 10	ESE 10	E 10
Wave Graph
kJ	815	815	711	778	810	974	974	807	720	640	598	527	446	416	416	358	358	341	295	282	282	240	240	235
Wind (km/h)	WSW	WSW	SW	SSW	ESE	ESE	ESE	SSW	SW	SSW	SW	S	SE	ESE	ESE	NNW	WNW	NW	NW	N	NE	NE	NE	NNW
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross-off	cross-off	cross-off	glassy	cross-on	on	on	cross-on	cross	cross	cross	cross-on	on	on	cross-on	glassy	off	off	off	cross-off	cross-off	cross	cross	off
High Tide		4:13AM2.11m				4:37PM2.18m				4:53AM2.14m					5:17PM2.21m				5:31AM2.12m				5:56PM2.18m
Low Tide				10:22AM0.07m				10:44PM0.10m					11:01AM0.02m				11:25PM0.12m				11:39AM0.04m


	—	6:35	—	—	—	—	—	—	—	6:35	—	—	—	—	—	—	—	6:35	—	—	—	—	—	—
	—	—	—	—	—	5:12	—	—	—	—	—	—	—	5:12	—	—	—	—	—	—	—	5:13	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	18	17	17	20	22	21	21	20	19	18	18	21	22	21	21	21	19	18	18	21	23	21	21	21
Feels °C	18	17	17	21	21	20	20	20	18	17	18	20	21	21	21	23	20	19	18	21	21	19	21	22
Swell 1 Height (m) Direction Period (s)	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 11	ESE 11	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	ESE 10	ESE 10	E 10
kJ	815	815	711	778	810	974	974	807	720	640	598	527	446	416	416	358	358	341	295	282	282	240	240	235
Swell 2 Height (m) Direction Period (s)	S 10	S 10	S 10	S 10	S 10	S 9	SSW 10	S 10	S 11	SSE 11	SSE 10	SSE 10	SSE 10	SSE 9	SSE 9	SSE 9	SSE 9	S 9	SSW 8	SSW 8	S 7	S 7	S 6	S 10
kJ	18	18	17	8	8	7	18	7	9	12	11	20	18	17	16	16	16	6	14	12	8	8	3	8
Swell 3 Height (m) Direction Period (s)	—	—	—	—	—	—	—	S 11	SSE 11	SSE 11	S 13	S 13	SSW 9	SW 9	SW 9	SSW 6	SSE 9	SSE 11	SSE 8	SSE 8	SSE 8	SSE 8	SSE 10	S 10
kJ	—	—	—	—	—	—	—	3	12	11	4	4	8	3	3	3	15	12	7	7	7	7	9	2
Wind waves Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	NE 3	NE 3	—
kJ	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	3	2	—
Nearest Offshore or Glassy	Kosi Bay KZN North	Kosi Bay KZN North	Kosi Bay KZN North	Kosi Bay KZN North	Mntafufu Eastern Cape - Wild Coast	Mtunzini KZN North	Mapelane KZN North	Cape Vidal KZN North	St Lucia KZN North	St Lucia KZN North	St Lucia KZN North	Alkantstrand KZN North	Alkantstrand KZN North	Reunion Durban/KZN South	Mtunzini KZN North	Kosi Bay KZN North	Kosi Bay KZN North	Kosi Bay KZN North	Kosi Bay KZN North	Kosi Bay KZN North	Alkantstrand KZN North	Alkantstrand KZN North	Cape Vidal KZN North	Kosi Bay KZN North
Rating (10 max)	3	3	3	3	3	3	3	3	3	3	3	3	2	2	2	2	2	2	2	2	2	2	2	2
Distance (km)	0	0	0	0	614	258	177	144	173	173	173	228	228	380	258	0	0	0	0	0	228	228	144	0
Best forecast wave conditions in KwaZulu-Natal North Coast	Richards Bay (Outside)	Richards Bay (Outside)	Richards Bay (Outside)	Richards Bay (Outside)		Siyayi	Umhlanga	Richards Bay (Outside)	Richards Bay (Outside)	Richards Bay (Outside)	Umhlanga	Umhlanga	Alkantstrand		Umhlanga	Richards Bay (Outside)	Richards Bay (Outside)	Richards Bay (Outside)	Richards Bay (Outside)	Richards Bay (Outside)	Alkantstrand	Richards Bay (Outside)	Richards Bay (Outside)	Umhlanga
Rating (10 max)	3	3	3	3		3	3	3	3	3	3	3	2		2	2	2	2	2	2	2	2	2	2
Best forecast wave conditions in South Africa	Gonubie Reef (The Lefts) Eastern Cape - Wild Coast	Gonubie Reef (The Lefts) Eastern Cape - Wild Coast	Yellow sands Point Eastern Cape - Wild Coast	Dungeons Cape Town	Dungeons Cape Town	Yellow sands Point Eastern Cape - Wild Coast	Paranoia Overberg	Paranoia Overberg	Fish Boma Garden Route	Gerickes Point Garden Route	Fish Boma Garden Route	Dungeons Cape Town	Vleesbaai Overberg	Gerickes Point Garden Route	Gerickes Point Garden Route	Gerickes Point Garden Route	Gerickes Point Garden Route	Gerickes Point Garden Route	Gerickes Point Garden Route	Gerickes Point Garden Route	Gerickes Point Garden Route	Fish Boma Garden Route	Yellow sands Point Eastern Cape - Wild Coast	Glen Eden Eastern Cape - Wild Coast
Rating (10 max)	3	3	3	3	4	3	4	4	5	5	5	4	3	4	4	4	4	4	4	4	4	4	4	4
Header Global	Cathedral Rock Australia	Asu Indonesia	Anawhata Road (Oaonui) New Zealand	Anawhata Road (Oaonui) New Zealand	Balnarring Point Australia	The Hoek South Africa	Cape St Martin South Africa	Hell South Africa	Fish Boma South Africa	Boneyards South Africa	Boneyards South Africa	Dunedin - Cob Cottage New Zealand	Easter Reef Australia	Otago Peninsula - Allans Beach New Zealand	Easter Reef Australia	Easter Reef Australia	Easter Reef Australia	Easter Reef Australia	Papatowai New Zealand	Easter Reef Australia	Cannibal Bay New Zealand	Otago Peninsula - Allans Beach New Zealand	Dunedin - Cob Cottage New Zealand	Dunedin - Cob Cottage New Zealand
Rating (10 max)	7	4	5	5	4	5	5	5	5	5	5	8	5	5	5	6	6	6	7	5	5	7	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 (15 Jul):

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