Kosi Bay Surf Forecast

/ KZN North (23 surf breaks) /

South Africa (276 surf breaks) / Lat Long: (26.87° S 32.89° E)

Surf Forecasts:

Kosi Bay surfForecast / KZN North / South Africa

48hr Weather and Surf, issued 1 pm Saturday 30 May 2026 SAST

Forecast update in hr min s Forecast update imminent

Kosi Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Today's Kosi Bay sea temperature is 25.0° C
(Which is 1.3°C warmer than normal for this time of year)

How big are the waves at Kosi Bay today (30 May):

Morning surf: Morning surf (30 May, local time) - 4ft (1.2m), 6s period with S swell.
Afternoon surf: Afternoon surf (30 May, local time) - 3ft (0.9m), 6s period with SSE swell.
Evening surf: Evening surf (30 May, local time) - 2.5ft (0.8m), 6s period with SSE swell.

The current surf forecast for Kosi Bay at 5PM is: 0.8m 6s primary swell from a South-southeast direction and 0.4m 8s secondary swell from a East-southeast direction, 0.2m 17s secondary swell from a South-southwest direction (forecast issued at 01:00pm May 30). The wind direction is predicted to be onshore.

Time (SAST) & Date	Wave Height	Wave Period
Morning (30 May)	4ft (1.2m)	6s
Afternoon (30 May)	3ft (0.9m)	6s
Evening (30 May)	2.5ft (0.8m)	6s

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

Updates in hr min s Forecast update imminent

	Short Range Forecast Light rain (total 3mm), mostly falling on Sat night. Warm (max 23°C on Sat afternoon, min 19°C on Mon morning). Wind will be generally light.
	Sat 30					Sunday 31								Monday 1								Tue 2
	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)	0	0	0	0	0	0	0	0	0	0	0	0	1	1	1	1	1	0	0	0	1	1	1	1
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	S 6	SSE 6	SSE 6	SSE 6	SSE 6	SSE 6	SSE 7	S 9	S 9	SSE 9	SSE 8	SSE 8	SSE 8	SSE 8	SSE 8	SSE 8	SSE 8	SSE 8	SSE 8	SSE 8	SSE 8	SSE 8	SSE 8	SSE 7
Wave Graph
kJ	85	58	46	41	42	41	41	81	79	103	94	90	87	67	68	73	76	75	73	57	50	39	38	37
Wind (km/h)	SSE	SE	SE	ESE	SSE	SSW	S	S	SSE	SSE	SE	SE	SE	WSW	SW	W	NNE	NE	NE	NE	N	NNW	NNW	NNW
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross-on	on	on	on	cross-on	cross-on	cross-on	cross-on	cross-on	on	on	on	glassy	glassy	glassy	glassy	glassy	cross	cross	cross	cross-off	cross-off	cross-off	cross-off
High Tide			3:17PM1.88m				3:30AM1.96m				3:48PM1.91m				4:01AM1.96m				4:20PM1.91m				4:33AM1.94m
Low Tide	9:09AM0.30m				9:20PM0.31m				9:40AM0.26m				9:52PM0.29m				10:11AM0.25m				10:24PM0.30m


	—	—	—	—	—	—	6:28	—	—	—	—	—	—	—	6:28	—	—	—	—	—	—	—	6:28	—
	—	—	5:02	—	—	—	—	—	—	—	5:02	—	—	—	—	—	—	—	5:02	—	—	—	—	5:01
mm	—	—	—	—	—	—	1	1	1	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	23	23	22	22	21	21	20	21	22	22	22	22	21	20	20	19	21	23	22	22	21	20	20	19
Feels °C	21	22	21	22	22	21	20	21	22	21	21	22	22	21	21	20	22	22	21	21	21	19	20	18
Swell 1 Height (m) Direction Period (s)	ESE 7	ESE 7	ESE 8	ESE 8	SSE 6	SSE 6	E 8	E 8	E 8	SSE 9	SSE 8	SSE 8	SSE 8	SSE 8	SSE 8	SSE 8	SSE 8	SSE 8	SSE 8	SSE 8	SSE 8	SSE 8	SSE 8	SSE 7
kJ	15	18	20	20	42	41	29	30	37	103	94	90	87	67	68	73	76	75	73	52	50	37	37	37
Swell 2 Height (m) Direction Period (s)	SSW 14	SSW 14	SSW 17	SSW 16	ESE 8	E 8	S 9	SSW 13	SSW 13	E 9	E 8	E 8	E 8	E 8	E 9	E 9	E 9	E 9	E 9	E 9	E 9	E 9	E 9	E 8
kJ	20	20	27	26	19	29	7	18	16	39	36	35	35	36	54	56	57	57	57	57	39	39	38	36
Swell 3 Height (m) Direction Period (s)	S 19	SSW 18	—	—	SSW 14	SSW 14	SSW 14	S 18	SSW 13	S 13	S 14	S 12	SSW 11	S 11	S 11	S 11	ESE 13	ESE 12	ESE 12	ESE 12	ESE 11	ESE 11	ESE 11	ESE 11
kJ	28	32	—	—	20	21	19	6	33	14	4	12	13	10	10	10	17	15	14	14	13	12	12	12
Wind waves Height (m) Direction Period (s)	S 6	SSE 6	SSE 6	SSE 6	—	—	SSE 7	S 9	S 9	—	—	—	—	—	—	—	—	—	NE 2	NE 3	NE 3	NNE 3	NNE 2	N 2
kJ	85	58	46	41	—	—	41	81	79	—	—	—	—	—	—	—	—	—	1	1	2	1	1	1
Nearest Offshore or Glassy	Mapelane KZN North	Reunion Durban/KZN South	Reunion Durban/KZN South	Mtunzini KZN North	Mapelane KZN North	Cape Vidal KZN North	Cape Vidal KZN North	Alkantstrand KZN North	Alkantstrand KZN North	Reunion Durban/KZN South	Reunion Durban/KZN South	Siyayi KZN North	Kosi Bay KZN North	Kosi Bay KZN North	Kosi Bay KZN North	Kosi Bay KZN North	Kosi Bay KZN North	Praia de Zavora Inhambane	Reunion Durban/KZN South	Salt Rock KZN North	Kosi Bay KZN North	Kosi Bay KZN North	Kosi Bay KZN North	Kosi Bay KZN North
Rating (10 max)	2	1	1	1	2	2	2	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1
Distance (km)	177	380	380	258	177	144	144	228	228	380	380	271	0	0	0	0	0	349	380	337	0	0	0	0
Best forecast wave conditions in KwaZulu-Natal North Coast	Alkantstrand			Umhlanga	Umhlanga	Siyayi	Siyayi	Richards Bay (Outside)	Richards Bay (Outside)			Umhlanga	Richards Bay (Outside)	Richards Bay (Outside)	Richards Bay (Outside)	Siyayi	St Lucia			Umhlanga	Umhlanga	Umhlanga	Umhlanga	Richards Bay (Outside)
Rating (10 max)	2			1	2	2	2	1	1			1	1	1	1	2	2			1	1	1	1	1
Best forecast wave conditions in South Africa	The Hoek Cape Town	The Hoek Cape Town	Kromme Rivermouth Eastern Cape (S)	Gerickes Point Garden Route	Gerickes Point Garden Route	Gerickes Point Garden Route	Gerickes Point Garden Route	Gerickes Point Garden Route	Van Stadens Mouth Eastern Cape (S)	J-Bay Eastern Cape (S)	Van Stadens Mouth Eastern Cape (S)	J-Bay Eastern Cape (S)	Goukamma River Mouth Garden Route	Goukamma River Mouth Garden Route	Goukamma River Mouth Garden Route	Goukamma River Mouth Garden Route	Gerickes Point Garden Route	Goukamma River Mouth Garden Route	Dungeons Cape Town	Dungeons Cape Town	Dungeons Cape Town	Goukamma River Mouth Garden Route	Goukamma River Mouth Garden Route	Queensberry Bay Eastern Cape - Wild Coast
Rating (10 max)	4	4	4	3	3	3	3	4	4	4	4	4	3	3	3	3	3	3	3	3	3	4	3	2
Header Global	Fare Left French Polynesia	Fare Left French Polynesia	Maraa French Polynesia	Maraa French Polynesia	Haapiti French Polynesia	Haapiti French Polynesia	Haapiti French Polynesia	Haapiti French Polynesia	Cathedral Rock Australia	Cathedral Rock Australia	Fare Left French Polynesia	Easter Reef Australia	Fare Left French Polynesia	Fare Left French Polynesia	Fare Left French Polynesia	Haapiti French Polynesia	Haapiti French Polynesia	Ahijedero Mexico	Taupo Bay New Zealand	Taupo Bay New Zealand	Taupo Bay New Zealand	Taupo Bay New Zealand	Taupo Bay New Zealand	Ahijedero Mexico
Rating (10 max)	5	5	6	8	7	7	7	7	7	6	5	5	5	5	5	5	5	4	5	5	5	5	5	4

Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)

Latest Updates

Ben Mondy

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Kosi Bay Surf Forecast

Kosi Bay surfForecast / KZN North / South Africa

How big are the waves at Kosi Bay today (30 May):

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