Kosi Bay 48 hour detailed Surf Forecast

Lat Long: 26.87° S 32.89° E

Issued: 7 pm 14 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 12AM is: 2.1m 10s primary swell from a East-southeast direction and 0.4m 10s secondary swell from a South direction (forecast issued at 07:00pm July 14). The wind direction is predicted to be cross-shore.

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 Tue night). Wind will be generally light.
	Tue 14			Wednesday 15								Thursday 16								Fri 17
	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	2	2	2	3	2	3	1	1	1	2	2	2	2	2	0	0	1	2	2	2	2	2	0
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	SE 10	SE 10	ESE 10	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
Wave Graph
kJ	918	918	873	815	815	778	778	810	974	974	807	720	706	598	502	446	416	358	358	351	299	295	301	288
Wind (km/h)	SE	SE	SW	SW	WSW	SW	S	ESE	ESE	ESE	SSW	SW	SSW	SSW	S	SE	ESE	E	NNW	WNW	WNW	NW	N	NE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	on	on	cross	cross	cross-off	cross	glassy	cross-on	cross-on	on	cross	cross	cross	cross	cross-on	on	cross-on	cross-on	glassy	off	cross-off	off	cross-off	cross
High Tide	3:54PM2.08m				4:13AM2.11m				4:37PM2.18m				4:53AM2.14m					5:17PM2.21m				5:31AM2.12m
Low Tide			10:02PM0.14m				10:22AM0.07m				10:44PM0.10m					11:01AM0.02m				11:25PM0.12m				11:39AM0.04m


	—	—	—	—	6:35	—	—	—	—	—	—	—	6:35	—	—	—	—	—	—	—	6:35	—	—	—
	5:10	—	—	—	—	—	—	—	5:12	—	—	—	—	—	—	—	5:12	—	—	—	—	—	—	5:13
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	21	21	20	18	17	17	20	22	21	21	20	19	18	18	21	22	21	21	21	19	19	18	21	23
Feels °C	20	21	20	18	17	17	21	22	21	20	20	19	18	18	21	21	21	22	23	19	20	19	21	22
Swell 1 Height (m) Direction Period (s)	SE 10	SE 10	ESE 10	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
kJ	918	918	873	815	815	778	778	810	974	974	807	720	706	598	502	446	416	358	358	351	299	295	301	288
Swell 2 Height (m) Direction Period (s)	S 10	S 10	S 10	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	S 9	SSW 8	S 7
kJ	33	32	32	18	18	17	8	8	7	18	7	9	12	11	20	18	17	16	16	16	13	6	13	9
Swell 3 Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	—	S 11	SSE 11	SSE 11	S 13	S 14	S 9	S 9	SW 9	S 9	S 9	SSE 11	SSE 8	SSE 9	SSE 8
kJ	—	—	—	—	—	—	—	—	—	—	3	12	11	4	4	2	2	3	2	2	12	7	8	7
Wind waves Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
kJ	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Nearest Offshore or Glassy	Reunion Durban/KZN South	Mtunzini KZN North	Cape Vidal KZN North	Sodwana KZN North	Kosi Bay KZN North	Cape Vidal KZN North	Kosi Bay KZN North	Mntafufu Eastern Cape - Wild Coast	Addington (South Beach) Durban/KZN South	St Lucia KZN North	Cape Vidal KZN North	St Lucia KZN North	Mapelane KZN North	St Lucia KZN North	Alkantstrand KZN North	Reunion Durban/KZN South	Reunion Durban/KZN South	Alkantstrand 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
Rating (10 max)	3	3	4	3	3	3	3	3	2	3	3	3	3	3	2	2	2	2	2	2	2	2	2	2
Distance (km)	380	258	144	25	0	144	0	614	378	173	144	173	177	173	228	380	380	228	0	0	0	0	0	228
Best forecast wave conditions in KwaZulu-Natal North Coast		Umhlanga	Cape Vidal	Richards Bay (Outside)	Richards Bay (Outside)	Richards Bay (Outside)	Mapelane			Umhlanga	Richards Bay (Outside)	Richards Bay (Outside)	Richards Bay (Outside)	Umhlanga	Umhlanga			Richards Bay (Outside)	Richards Bay (Outside)	Richards Bay (Outside)	Richards Bay (Outside)	Richards Bay (Outside)	Richards Bay (Outside)	Alkantstrand
Rating (10 max)		4	4	3	3	3	3			3	3	3	3	3	2			2	2	2	2	2	2	2
Best forecast wave conditions in South Africa	Yellow sands Point Eastern Cape - Wild Coast	Umhlanga KZN North	Amanzimtoti Durban/KZN South	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	Dungeons Cape Town	Paranoia Overberg	Paranoia Overberg	Goukamma River Mouth Garden Route	Fish Boma Garden Route	Fish Boma Garden Route	Dungeons Cape Town	Vleesbaai Overberg	Gerickes Point Garden Route	Gerickes Point Garden Route	Goukamma River Mouth Garden Route	Gerickes Point Garden Route	Gerickes Point Garden Route	Gerickes Point Garden Route	Gerickes Point Garden Route	Gerickes Point Garden Route
Rating (10 max)	3	4	4	3	3	3	3	4	4	4	4	5	5	5	4	3	4	4	4	4	4	4	4	4
Header Global	Fox River New Zealand	Fox River New Zealand	Cathedral Rock Australia	Cathedral Rock Australia	Asu Indonesia	Anawhata Road (Oaonui) New Zealand	Balnarring Point Australia	Asu Indonesia	Tessellated Pavements Australia	Cape St Martin South Africa	Hell South Africa	Fish Boma South Africa	Boneyards South Africa	Boneyards South Africa	Luna Park Australia	Cobblestones Australia	Easter Reef Australia	Dunedin - Bobs Beach New Zealand	Easter Reef Australia	Easter Reef Australia	Easter Reef Australia	Papatowai New Zealand	Luna Park Australia	Cannibal Bay New Zealand
Rating (10 max)	6	7	7	7	4	5	4	4	6	5	5	5	5	5	6	5	5	9	6	6	6	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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