Kosi Bay 48 hour detailed Surf Forecast

Lat Long: 26.87° S 32.89° E

Issued: 1 pm 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 7PM is: 2.1m 11s primary swell from a East-southeast direction and 0.2m 9s secondary swell from a South direction (forecast issued at 01:00pm July 15). The wind direction is predicted to be onshore.

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 18°C on Thu morning). Wind will be generally light.
	Wed 15					Thursday 16								Friday 17								Sat 18
	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	2 AM	5 AM	8 AM
Rating (10 max)	3	1	1	1	2	2	1	1	1	1	1	0	2	2	2	2	2	1	0	1	2	2	2	1
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	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	ESE 10	E 10	E 10	E 10
Wave Graph
kJ	778	810	974	974	807	720	674	627	527	502	437	416	358	358	358	301	301	288	245	240	240	235	200	200
Wind (km/h)	S	ESE	ESE	ESE	SSW	SW	SSW	SSW	S	SSE	ESE	ESE	NNE	WNW	WNW	NW	N	NNE	NE	NE	N	NNW	N	N
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	glassy	cross-on	on	on	cross	cross	cross	cross-on	cross-on	on	on	cross-on	glassy	cross-off	off	off	cross-off	cross-off	cross	cross	cross-off	cross-off	cross-off	cross-off
High Tide			4:37PM2.18m				4:53AM2.14m					5:17PM2.21m				5:31AM2.12m				5:56PM2.18m				6:07AM2.04m
Low Tide	10:22AM0.07m				10:44PM0.10m					11:01AM0.02m				11:25PM0.12m				11:39AM0.04m				00:03AM0.19m


	—	—	—	—	—	—	6:35	—	—	—	—	—	—	—	6:35	—	—	—	—	—	—	—	6:35	—
	—	—	5:12	—	—	—	—	—	—	—	5:12	—	—	—	—	—	—	—	5:13	—	—	—	—	5:13
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	21	22	21	21	20	19	19	18	21	22	21	21	20	19	18	18	21	23	21	21	21	20	20	18
Feels °C	22	21	20	20	20	18	19	18	20	21	22	21	22	20	19	19	21	21	19	21	22	20	20	17
Swell 1 Height (m) Direction Period (s)	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	ESE 10	E 10	E 10	E 10
kJ	778	810	974	974	807	720	674	627	527	502	437	416	358	358	358	301	301	288	245	240	240	235	200	200
Swell 2 Height (m) Direction Period (s)	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	SSE 9	SSW 8	SSW 8	S 7	S 7	S 6	S 10	S 9	S 17	S 9
kJ	8	8	7	18	7	9	12	11	20	18	17	16	16	16	7	22	21	17	8	3	8	6	22	6
Swell 3 Height (m) Direction Period (s)	—	—	—	—	S 11	SSE 11	SSE 11	S 14	S 14	SSW 9	SW 9	SW 9	SSE 12	SSW 12	SSW 9	S 9	SSE 9	SSE 10	SSE 10	S 10	SSW 6	SSW 12	S 5	S 15
kJ	—	—	—	—	3	12	11	4	4	8	3	3	13	13	9	6	8	10	9	8	8	14	1	4
Wind waves Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	NE 3	NE 3	NE 3	NNE 3	NNE 3	N 4
kJ	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	3	2	3	4	7	19
Nearest Offshore or Glassy	Kosi Bay KZN North	Addington (South Beach) Durban/KZN South	Zinkwazi KZN North	Senoritas KZN North	Cape Vidal KZN North	St Lucia KZN North	St Lucia KZN North	Cape Vidal KZN North	Alkantstrand KZN North	Alkantstrand KZN North	Scottburgh Point 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	Addington (South Beach) Durban/KZN South	Mtunzini KZN North	St Lucia KZN North	Kosi Bay KZN North	Kosi Bay KZN North	Kosi Bay KZN North	Sodwana KZN North
Rating (10 max)	3	2	3	2	3	3	3	3	3	2	2	2	2	2	2	2	2	1	2	2	2	2	2	2
Distance (km)	0	378	297	230	144	173	173	144	228	228	425	228	0	0	0	0	0	378	258	173	0	0	0	25
Best forecast wave conditions in KwaZulu-Natal North Coast	Mapelane		Zinkwazi	Siyayi	Richards Bay (Outside)	Richards Bay (Outside)	Richards Bay (Outside)	Umhlanga	Umhlanga	Alkantstrand		Richards Bay (Outside)	Richards Bay (Outside)	Richards Bay (Outside)	Richards Bay (Outside)	Richards Bay (Outside)	Richards Bay (Outside)		Siyayi	Richards Bay (Outside)	Richards Bay (Outside)	Umhlanga	Richards Bay (Outside)	Richards Bay (Outside)
Rating (10 max)	3		3	3	3	3	3	3	3	2		2	2	2	2	2	2		2	2	2	2	2	2
Best forecast wave conditions in South Africa	Yellow sands Point Eastern Cape - Wild Coast	Dungeons Cape Town	Dungeons Cape Town	Paranoia Overberg	Dungeons Cape Town	Fish Boma Garden Route	Gerickes Point Garden Route	Fish Boma Garden Route	Dungeons Cape Town	Koeel Bay 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	Gerickes Point Garden Route	Gerickes Point Garden Route	Gerickes Point Garden Route	Goukamma River Mouth Garden Route	Goukamma River Mouth Garden Route	Goukamma River Mouth Garden Route
Rating (10 max)	3	4	4	4	4	5	5	5	4	3	4	4	4	4	4	4	4	4	3	3	3	3	3	3
Header Global	Anawhata Road (Oaonui) New Zealand	Anawhata Road (Oaonui) New Zealand	Shipstern Bluff Australia	Shipstern Bluff Australia	Hell South Africa	Fish Boma South Africa	Boneyards South Africa	Boneyards South Africa	Dunedin - Bobs Beach 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	Papatowai New Zealand	Catlins River Mouth New Zealand	Dunedin - Kuri Bush New Zealand	Dunedin - Kuri Bush New Zealand	Dunedin - Cob Cottage New Zealand	Otago Peninsula - Papanui Beach New Zealand	Papatowai New Zealand	Dinner Plates New Zealand
Rating (10 max)	5	5	9	5	5	5	5	5	8	5	5	5	6	6	6	8	9	6	6	6	5	7	9	8

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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