Kosi Bay 48 hour detailed Surf Forecast

Lat Long: 26.87° S 32.89° E

Issued: 1 am 09 Jul 2026 (local time)

Forecast update in hr min

Today's Kosi Bay sea temperature is

23.7° 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 (09 Jul):

Morning surf: Morning surf (09 Jul, local time) - 2.5ft (0.8m), 8s period with E swell.
Afternoon surf: Afternoon surf (09 Jul, local time) - 2.5ft (0.8m), 8s period with E swell.
Evening surf: Evening surf (09 Jul, local time) - 1.5ft (0.5m), 15s period with S swell.

The current surf forecast for Kosi Bay at 9AM is: 0.8m 8s primary swell from a East direction and 0.4m 9s secondary swell from a Southeast direction (forecast issued at 01:00am July 09). The wind direction is predicted to be cross-shore.

Time (SAST) & Date	Wave Height	Wave Period
Morning (09 Jul)	2.5ft (0.8m)	8s
Afternoon (09 Jul)	2.5ft (0.8m)	8s
Evening (09 Jul)	1.5ft (0.5m)	15s

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

	Short Range Forecast Light rain (total 2mm), mostly falling on Sat night. Warm (max 23°C on Thu afternoon, min 16°C on Thu morning). Wind will be generally light.
	Thursday 9								Friday 10								Saturday 11
	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	1	0	0	0	0	0	1	2	3	2	2	2	2	3	4	4	2	2	2	1	2	1	2
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	E 8	E 8	E 8	E 9	E 8	E 8	E 8	S 15	SSW 14	S 14	S 13	S 13	S 17	S 16	S 16	S 15	S 15	S 14	S 14	S 13	S 13	S 13	S 12	S 12
Wave Graph
kJ	76	74	74	96	84	82	79	209	336	453	355	350	717	1017	1225	1327	1087	905	736	600	488	473	374	362
Wind (km/h)	NNW	W	SW	S	SSE	SSE	SE	ESE	NW	W	WNW	N	NNE	NE	NE	NNE	WSW	SW	SW	S	ESE	ESE	E	W
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross-off	cross-off	cross	cross-on	cross-on	on	on	cross-on	glassy	cross-off	glassy	cross-off	cross-off	cross	cross	glassy	cross-off	cross	cross	cross-on	on	cross-on	cross-on	glassy
High Tide				10:10AM1.49m					11:04PM1.63m				11:45AM1.49m				00:33AM1.68m				1:10PM1.60m
Low Tide		4:03AM0.70m				4:25PM0.65m					5:33AM0.70m				5:58PM0.63m				6:57AM0.60m				7:19PM0.52m


	—	6:37	—	—	—	—	—	—	—	6:37	—	—	—	—	—	—	—	6:37	—	—	—	—	—	—
	—	—	—	—	—	5:08	—	—	—	—	—	—	—	5:09	—	—	—	—	—	—	—	5:09	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	1
Temp °C	18	16	16	21	23	22	21	21	20	19	18	21	23	22	22	21	20	18	18	21	22	21	21	20
Feels °C	16	14	15	20	20	20	20	22	21	20	19	21	21	19	20	21	21	18	18	22	21	21	21	21
Swell 1 Height (m) Direction Period (s)	E 8	E 8	E 8	E 9	E 8	E 8	E 8	E 8	SSW 14	S 14	S 13	S 13	S 17	S 16	S 16	S 15	S 15	S 14	S 14	S 13	S 13	S 13	S 12	S 12
kJ	76	74	74	96	84	82	78	57	336	453	355	350	717	1017	1225	1327	1087	905	736	600	488	473	374	362
Swell 2 Height (m) Direction Period (s)	SE 9	N 4	SE 9	SE 9	SE 9	SE 9	SSW 15	S 15	E 8	E 8	E 8	E 7	E 8	SE 13	E 8	E 8	E 8	NE 4	NNE 4	NNE 5	NE 5	E 8	E 8	E 8
kJ	31	7	31	31	22	13	79	209	55	54	40	39	28	28	28	28	30	8	13	15	11	31	33	22
Swell 3 Height (m) Direction Period (s)	ESE 12	SE 9	NNE 4	NNE 4	SSW 16	SSW 16	SE 9	S 5	S 5	SE 9	ESE 9	ESE 9	SSE 14	SE 9	SE 13	SE 13	NE 4	E 8	E 8	E 8	E 8	NE 5	NE 4	NE 4
kJ	13	31	5	3	24	50	13	24	12	13	8	8	18	3	7	7	7	32	33	32	31	7	5	3
Wind waves Height (m) Direction Period (s)	N 4	—	—	SSW 3	S 5	S 5	S 5	—	—	—	—	—	NNE 3	ENE 8	NE 4	NNE 3	ENE 8	—	—	—	—	—	—	—
kJ	9	—	—	9	42	50	32	—	—	—	—	—	3	74	9	5	56	—	—	—	—	—	—	—
Nearest Offshore or Glassy	Sodwana KZN North	Kosi Bay KZN North	Alkantstrand KZN North	Alkantstrand KZN North	Guinjata Bay Inhambane	Alkantstrand KZN North	Mapelane KZN North	Cape Vidal KZN North	Kosi Bay KZN North	Kosi Bay KZN North	Kosi Bay KZN North	Kosi Bay KZN North	Mntafufu Eastern Cape - Wild Coast	Addington (South Beach) Durban/KZN South	Mtunzini KZN North	Kosi Bay KZN North	Kosi Bay KZN North	Mapelane KZN North	Ponta do Ouro Inhambane	Cape Vidal KZN North	Alkantstrand KZN North	Alkantstrand KZN North	Alkantstrand KZN North	Kosi Bay KZN North
Rating (10 max)	1	1	1	1	1	3	4	4	2	3	2	2	4	3	4	4	4	4	3	4	4	3	3	2
Distance (km)	25	0	228	228	407	228	177	144	0	0	0	0	614	378	258	0	0	177	3	144	228	228	228	0
Best forecast wave conditions in KwaZulu-Natal North Coast	Cape Vidal	Umhlanga	Umhlanga	Alkantstrand		Alkantstrand	Siyayi	Mapelane	Cape Vidal	Richards Bay (Outside)	Richards Bay (Outside)	Richards Bay (Outside)			Mtunzini	Mtunzini	Mtunzini	Siyayi	Richards Bay (Outside)	Alkantstrand	Alkantstrand	Alkantstrand	Siyayi	Cape Vidal
Rating (10 max)	2	1	2	1		3	4	4	4	3	3	4			4	4	4	4	4	4	4	3	3	4
Best forecast wave conditions in South Africa	Dolphin Point Overberg	Haga-Haga Eastern Cape - Wild Coast	Yellow sands Point Eastern Cape - Wild Coast	Gerickes Point Garden Route	Barbel Point Eastern Cape - Wild Coast	Ntylonyane (Breezy Point) Eastern Cape - Wild Coast	Gerickes Point Garden Route	Gerickes Point Garden Route	Fish Boma Garden Route	Fish Boma Garden Route	Fish Boma Garden Route	Glen Eden Eastern Cape - Wild Coast	Barbel Point Eastern Cape - Wild Coast	Koeel Bay Overberg	Fish Boma Garden Route	Gerickes Point Garden Route	Gerickes Point Garden Route	Gerickes Point Garden Route	Gerickes Point Garden Route	Gerickes Point Garden Route	The Hoek Cape Town	Gerickes Point Garden Route	Gerickes Point Garden Route	Gerickes Point Garden Route
Rating (10 max)	5	6	7	5	4	5	5	5	5	5	5	5	4	4	4	4	4	4	4	4	4	4	4	4
Header Global	Lucky Point Philippines	Lucky Point Philippines	Haga-Haga South Africa	Papatowai New Zealand	Trial Harbour Australia	Trial Harbour Australia	Weld Road New Zealand	Boneyards South Africa	Barbel Point South Africa	Barbel Point South Africa	Barbel Point South Africa	Papatowai New Zealand	Papatowai New Zealand	Kaifu Rivermouth Japan	Kaifu Rivermouth Japan	Kaifu Rivermouth Japan	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Otago Peninsula - Allans Beach New Zealand	Supertubes Australia	Kaifu Rivermouth Japan	Kaifu Rivermouth Japan	Kaifu Rivermouth Japan
Rating (10 max)	9	9	7	6	6	6	6	6	5	5	5	6	5	8	8	8	5	5	5	4	5	7	6	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 (09 Jul):

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