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 7 am 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) - 3ft (0.9m), 6s period with SSE swell.

The current surf forecast for Kosi Bay at 11AM is: 1.1m 6s primary swell from a South direction and 0.4m 7s secondary swell from a East-southeast direction, 0.2m 14s secondary swell from a South-southwest direction (forecast issued at 07:00am May 30). The wind direction is predicted to be cross-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)	3ft (0.9m)	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 morning. Warm (max 23°C on Sat morning, min 19°C on Sun night). Wind will be generally light.
	Saturday 30							Sunday 31								Monday 1								Tue 2
	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	2 AM
Rating (10 max)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	1	1	1	1	0	0	0	1	1
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	S 5	S 6	S 6	SSE 6	SSE 6	SSE 6	S 6	SSE 6	SSE 7	S 9	S 9	S 9	S 8	SSE 8	SSE 8	SSE 8	SSE 8	SSE 8	SSE 8	SSE 8	SSE 8	SSE 8	SSE 8	SSE 8
Wave Graph
kJ	55	105	85	58	46	52	28	41	41	81	79	99	90	90	68	67	68	73	76	75	73	57	56	39
Wind (km/h)	S	S	SSE	SE	SE	ESE	SSE	SSW	S	SSE	SSE	SSE	SE	ESE	ESE	WSW	W	WNW	N	NE	NE	NE	N	NNW
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross-on	cross-on	cross-on	on	on	on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	on	on	glassy	glassy	glassy	glassy	cross-off	cross	cross	cross	cross-off	cross-off
High Tide					3:17PM1.88m				3:30AM1.96m				3:48PM1.91m				4:01AM1.96m				4:20PM1.91m
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	—	—	—	—	—	—	6:28
	—	—	—	—	5:02	—	—	—	—	—	—	—	5:02	—	—	—	—	—	—	—	5:02	—	—	5:01
mm	2	1	—	—	—	—	—	—	—	1	1	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	21	21	23	23	22	21	21	20	20	21	22	22	22	21	21	20	19	19	21	22	22	22	21	20
Feels °C	19	19	21	22	21	20	21	20	20	21	22	21	21	20	22	21	20	20	22	21	21	21	20	19
Swell 1 Height (m) Direction Period (s)	ESE 7	ESE 7	ESE 7	ESE 7	ESE 8	ESE 8	S 6	SSE 6	E 8	S 9	S 9	S 9	S 8	SSE 8	SSE 8	SSE 8	SSE 8	SSE 8	SSE 8	SSE 8	SSE 8	SSE 8	SSE 8	SSE 8
kJ	11	15	15	18	20	20	28	41	29	81	79	99	90	90	68	67	68	73	76	75	73	52	51	37
Swell 2 Height (m) Direction Period (s)	E 6	SSW 15	SSW 14	SSW 14	SSW 17	SSW 16	ESE 8	ESE 8	S 9	E 8	E 8	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
kJ	7	23	20	20	27	26	19	19	7	30	37	39	37	35	35	36	54	56	57	57	57	57	56	39
Swell 3 Height (m) Direction Period (s)	SSW 16	S 20	S 19	SSW 18	—	—	SSW 14	SSW 14	SSW 14	SSW 13	SSW 13	S 13	S 14	S 12	SSW 12	S 11	S 11	S 11	ESE 13	ESE 12	ESE 12	ESE 12	ESE 11	ESE 11
kJ	25	7	28	32	—	—	20	21	19	18	16	14	4	12	14	10	10	9	17	15	14	14	13	12
Wind waves Height (m) Direction Period (s)	S 5	S 6	S 6	SSE 6	SSE 6	SSE 6	ESE 4	—	SSE 7	—	—	—	—	—	—	—	—	—	—	—	NE 2	NE 3	NE 3	NNE 3
kJ	55	105	85	58	46	52	6	—	41	—	—	—	—	—	—	—	—	—	—	—	1	2	2	1
Nearest Offshore or Glassy	Alkantstrand KZN North	Mapelane KZN North	Mapelane KZN North	Alkantstrand KZN North	Reunion Durban/KZN South	Mtunzini KZN North	Mapelane KZN North	Cape Vidal KZN North	Cape Vidal KZN North	Mapelane KZN North	St Lucia 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	Reunion Durban/KZN South	Reunion Durban/KZN South	Sodwana KZN North	Kosi Bay KZN North	Kosi Bay KZN North
Rating (10 max)	2	2	2	2	1	1	2	2	2	2	1	1	1	1	1	1	1	1	1	1	1	1	1	1
Distance (km)	228	177	177	228	380	258	177	144	144	177	173	380	380	271	0	0	0	0	0	380	380	25	0	0
Best forecast wave conditions in KwaZulu-Natal North Coast	Siyayi	Richards Bay (Outside)	Alkantstrand	Alkantstrand		Umhlanga	Umhlanga	Siyayi	Siyayi	Siyayi	Richards Bay (Outside)			Umhlanga	Richards Bay (Outside)	Richards Bay (Outside)	Richards Bay (Outside)	Siyayi	Richards Bay (Outside)			Umhlanga	Siyayi	Umhlanga
Rating (10 max)	2	2	2	2		1	2	2	2	2	1			1	1	1	1	2	1			1	2	1
Best forecast wave conditions in South Africa	Goukamma River Mouth Garden Route	Goukamma River Mouth Garden Route	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)	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	Dungeons Cape Town	Dungeons Cape Town	Dungeons Cape Town	Dungeons Cape Town	Goukamma River Mouth Garden Route
Rating (10 max)	4	4	4	4	4	3	3	3	3	4	4	4	4	3	3	3	3	3	3	3	3	3	3	4
Header Global	Fare Left French Polynesia	Fare Left French Polynesia	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	Haapiti French Polynesia	Maraa French Polynesia	Easter Reef Australia	Fare Left French Polynesia	Fare Left French Polynesia	Fare Left French Polynesia	Boners United States	Haapiti French Polynesia	Ahijedero Mexico	Ahijedero Mexico	Fairway Reef New Zealand	Moureeses New Zealand	Taupo Bay New Zealand
Rating (10 max)	5	5	5	5	6	8	7	7	7	7	7	6	6	5	5	5	5	5	5	4	4	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)

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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