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 am Thursday 28 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 25.1° C
(Which is 1.2°C warmer than normal for this time of year)

How big are the waves at Kosi Bay today (28 May):

Morning surf: Morning surf (28 May, local time) - 1.5ft (0.4m), 10s period with SE swell.
Afternoon surf: Afternoon surf (28 May, local time) - 1.5ft (0.4m), 9s period with SE swell.
Evening surf: Evening surf (28 May, local time) - 1.5ft (0.5m), 7s period with E swell.

The current surf forecast for Kosi Bay at 7AM is: 0.4m 10s primary swell from a Southeast direction and 0.4m 6s secondary swell from a East direction (forecast issued at 01:00am May 28). An open ocean swell of 0.7m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (SAST) & Date	Wave Height	Wave Period
Morning (28 May)	1.5ft (0.4m)	10s
Afternoon (28 May)	1.5ft (0.4m)	9s
Evening (28 May)	1.5ft (0.5m)	7s

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 4mm), mostly falling on Fri night. Warm (max 24°C on Thu afternoon, min 20°C on Thu morning). Wind will be generally light.
	Thursday 28								Friday 29								Saturday 30
	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)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	SE 10	SE 10	SE 10	SE 10	SE 10	SE 9	E 7	E 7	E 7	E 7	E 7	E 7	SSW 20	SSW 19	SSW 19	SSW 19	SSW 4	S 5	S 6	S 6	SSE 6	SSE 6	SSE 6	S 6
Wave Graph
kJ	49	35	34	24	23	22	25	24	23	33	22	22	38	37	35	69	29	71	104	122	92	61	68	36
Wind (km/h)	N	N	N	N	NNE	NE	NE	NNE	NNW	NNW	NNW	N	NE	ENE	SSE	SSW	S	S	S	SSE	SSE	SE	SE	SSE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross-off	cross-off	cross-off	cross-off	cross-off	cross	cross	cross-off	cross-off	off	off	cross-off	cross	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	on	on	on	cross-on
High Tide	1:50AM1.83m					2:10PM1.75m				2:26AM1.89m				2:45PM1.82m				2:58AM1.93m				3:17PM1.88m
Low Tide				8:03AM0.45m				8:12PM0.42m				8:37AM0.36m				8:47PM0.36m				9:09AM0.30m				9:20PM0.31m


	—	6:26	—	—	—	—	—	—	—	6:26	—	—	—	—	—	—	—	6:28	—	—	—	—	—	—
	—	—	—	—	—	5:02	—	—	—	—	—	—	—	5:02	—	—	—	—	—	—	—	5:02	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	1	1	2	—	—	—	—	—	—
Temp °C	21	20	20	23	24	23	23	23	22	21	21	23	24	23	22	20	20	21	21	23	23	21	21	21
Feels °C	21	19	19	21	22	22	23	24	23	23	23	24	23	23	22	19	18	18	19	21	21	19	20	21
Swell 1 Height (m) Direction Period (s)	SE 10	E 6	E 6	E 6	E 6	E 7	E 7	E 7	E 7	E 7	E 7	E 7	E 7	E 7	E 6	E 6	E 7	E 7	ESE 7	ESE 6	ESE 6	ESE 8	ESE 8	S 6
kJ	49	12	12	12	13	16	25	24	23	33	22	22	21	21	21	21	21	23	15	14	13	19	19	36
Swell 2 Height (m) Direction Period (s)	E 6	SE 10	SE 10	SE 10	SE 10	SE 9	SE 9	SSE 9	SSE 9	NNE 4	NNE 4	SE 8	SSW 20	SSW 19	SSW 19	SSW 19	SSW 16	SSW 16	SSW 15	SSW 14	SSW 18	SSW 14	SSW 16	ESE 8
kJ	13	35	34	24	23	22	13	8	8	6	7	3	38	37	35	69	26	25	23	20	32	20	26	19
Swell 3 Height (m) Direction Period (s)	S 11	S 11	S 10	S 10	S 10	S 10	S 9	SE 12	S 9	SSE 9	SE 9	S 21	S 9	S 9	NNE 3	SE 8	S 20	S 20	S 20	S 19	SSW 14	S 17	—	SSW 14
kJ	2	2	2	2	2	2	6	6	6	8	3	8	6	6	1	3	8	8	7	28	20	22	—	21
Wind waves Height (m) Direction Period (s)	NNE 4	NNE 4	NNE 4	NNE 4	NNE 4	NE 4	NE 4	NE 4	NE 4	NE 4	—	NNE 4	NE 4	NNE 4	—	S 3	SSW 4	S 5	S 6	S 6	SSE 6	SSE 6	SSE 6	E 5
kJ	13	17	18	19	21	18	14	12	10	7	—	3	4	1	—	4	29	71	104	122	92	61	68	11
Nearest Offshore or Glassy	Mtunzini KZN North	Mtunzini KZN North	Mtunzini KZN North	Alkantstrand KZN North	Guinjata Bay Inhambane	St Lucia KZN North	St Lucia KZN North	Cape Vidal KZN North	Ponta do Ouro Inhambane	Ponta do Ouro Inhambane	Cape Vidal KZN North	St Lucia KZN North	Sea Vista Eastern Cape (S)	Whispering Waves Eastern Cape - Wild Coast	Mntafufu Eastern Cape - Wild Coast	Tofinho Inhambane	Blythedale KZN North	Alkantstrand KZN North	Alkantstrand KZN North	Alkantstrand KZN North	Mapelane KZN North	Reunion Durban/KZN South	Mtunzini KZN North	Mapelane KZN North
Rating (10 max)	1	1	1	1	1	1	1	1	1	1	2	2	5	4	3	1	2	2	2	2	2	1	1	2
Distance (km)	258	258	258	228	407	173	173	144	3	3	144	173	1061	779	614	428	319	228	228	228	177	380	258	177
Best forecast wave conditions in KwaZulu-Natal North Coast	Umhlanga	Umhlanga	Umhlanga	Alkantstrand		Alkantstrand	Richards Bay (Outside)	Richards Bay (Outside)	Richards Bay (Outside)	Richards Bay (Outside)	Siyayi	Richards Bay (Outside)					Umdloti	Mtunzini	Umhlanga	Umhlanga	Alkantstrand		Umhlanga	Richards Bay (Outside)
Rating (10 max)	1	1	1	1		1	1	1	1	1	2	2					2	2	2	2	2		2	2
Best forecast wave conditions in South Africa	Fish Boma Garden Route	Dungeons Cape Town	Dungeons Cape Town	Gerickes Point Garden Route	Dungeons Cape Town	Fish Boma Garden Route	Fish Boma Garden Route	Fish Boma Garden Route	Paranoia Overberg	Paranoia Overberg	Fish Boma Garden Route	Sea Vista Eastern Cape (S)	Sea Vista Eastern Cape (S)	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	Gerickes Point Garden Route	Gerickes Point Garden Route	Van Stadens Mouth Eastern Cape (S)	Gerickes Point Garden Route	Gerickes Point Garden Route
Rating (10 max)	5	5	5	6	5	7	7	6	4	4	5	6	5	4	4	4	4	4	4	4	4	4	3	3
Header Global	Hell South Africa	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	White Rock - The Spit New Zealand	White Rock - The Spit New Zealand	Boneyards South Africa	Boneyards South Africa	Boneyards South Africa	Boneyards South Africa	Brak River South Africa	Sea Vista South Africa	El Olon de Ilo Peru	Lebu Chile	Maraa French Polynesia	Haapiti French Polynesia	Fare Left French Polynesia	Fare Left French Polynesia	Fare Left French Polynesia	Fare Left French Polynesia	Fare Left French Polynesia	Haapiti French Polynesia	Maraa French Polynesia	Fare Left French Polynesia
Rating (10 max)	6	9	9	8	9	8	7	7	7	6	5	6	5	5	5	5	5	5	5	5	5	6	8	7

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 (28 May):

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