Kosi Bay 48 hour detailed Surf Forecast

Lat Long: 26.87° S 32.89° E

Issued: 7 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 3PM is: 0.8m 8s primary swell from a East direction and 0.4m 9s secondary swell from a Southeast direction, 0.8m 4s secondary swell from a South direction (forecast issued at 07:00am July 09). The wind direction is predicted to be cross-onshore.

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								Sun 12
	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)	1	0	0	0	0	0	1	2	2	2	2	2	2	3	4	4	2	2	3	1	2	2	3	2
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	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	S 12
Wave Graph
kJ	74	74	96	84	82	79	209	336	377	355	361	717	1178	1398	1310	1087	893	736	609	572	473	374	362	430
Wind (km/h)	W	SW	S	SSE	SSE	SE	S	SSW	WSW	WNW	N	NNE	NE	ENE	NNE	WSW	SW	SW	S	ESE	E	E	NW	WSW
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross-off	cross	cross-on	cross-on	cross-on	on	cross-on	glassy	cross-off	cross-off	cross-off	cross-off	cross	cross	glassy	cross-off	cross	cross	glassy	on	cross-on	cross-on	glassy	cross-off
High Tide			10:10AM1.49m					11:04PM1.63m				11:45AM1.49m				00:33AM1.68m				1:10PM1.60m				1:45AM1.79m
Low Tide					4:25PM0.65m					5:33AM0.70m				5:58PM0.63m				6:57AM0.60m				7:19PM0.52m


	6:37	—	—	—	—	—	—	—	6:37	—	—	—	—	—	—	—	6:37	—	—	—	—	—	—	6:37
	—	—	—	—	5:08	—	—	—	—	—	—	—	5:09	—	—	—	—	—	—	—	5:09	—	—	5:09
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	1	1
Temp °C	16	16	20	23	22	21	20	20	19	18	21	23	21	22	21	20	18	18	21	22	21	21	20	18
Feels °C	14	15	19	21	21	20	20	21	19	19	21	21	18	21	22	20	17	18	22	21	21	21	21	18
Swell 1 Height (m) Direction Period (s)	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	S 12
kJ	74	74	96	84	82	78	57	336	377	355	361	717	1178	1398	1310	1087	893	736	609	572	473	374	362	430
Swell 2 Height (m) Direction Period (s)	N 4	NNE 4	SE 9	SE 9	SE 9	SSW 15	S 15	E 8	E 8	E 8	E 7	E 8	E 8	SE 13	ENE 8	ENE 8	E 8	E 8	E 8	E 8	E 8	E 8	S 16	E 8
kJ	8	5	31	31	13	79	209	55	54	40	39	40	28	7	45	48	32	32	32	31	31	32	137	22
Swell 3 Height (m) Direction Period (s)	SE 9	SE 9	NNE 4	SSW 16	SSW 16	SE 9	S 5	S 4	SE 9	SE 9	ESE 9	SSE 14	SE 13	SE 9	SE 13	SE 13	NE 4	NE 4	NE 4	NE 4	NE 4	SSW 17	E 8	NNE 4
kJ	31	31	3	24	50	13	11	6	13	13	8	18	7	3	7	7	3	4	5	5	5	99	22	1
Wind waves Height (m) Direction Period (s)	N 4	—	SW 2	S 4	S 5	S 5	—	—	—	—	—	NNE 3	NNE 4	ENE 8	—	—	—	—	—	—	—	—	—	—
kJ	11	—	1	19	27	22	—	—	—	—	—	3	8	66	—	—	—	—	—	—	—	—	—	—
Nearest Offshore or Glassy	Kosi Bay KZN North	Ponta do Ouro Inhambane	Alkantstrand KZN North	Alkantstrand KZN North	Alkantstrand KZN North	Alkantstrand KZN North	Cape Vidal KZN North	Kosi Bay KZN North	Kosi Bay KZN North	Kosi Bay KZN North	Kosi Bay KZN North	Ntylonyane (Breezy Point) Eastern Cape - Wild Coast	Scottburgh Point Durban/KZN South	Sunrise KZN North	Kosi Bay KZN North	Kosi Bay KZN North	Mapelane KZN North	St Lucia KZN North	Kosi Bay KZN North	Alkantstrand KZN North	Alkantstrand KZN North	Mapelane KZN North	Kosi Bay KZN North	Kosi Bay KZN North
Rating (10 max)	1	1	1	2	3	4	4	2	2	2	2	4	4	4	4	4	4	4	3	4	3	3	3	2
Distance (km)	0	3	228	228	228	228	144	0	0	0	0	705	425	344	0	0	177	173	0	228	228	177	0	0
Best forecast wave conditions in KwaZulu-Natal North Coast	Umhlanga	Umhlanga	Alkantstrand	Alkantstrand	Alkantstrand	Siyayi	Siyayi	Cape Vidal	Richards Bay (Outside)	Umhlanga	Richards Bay (Outside)			Umdloti	Mtunzini	Mtunzini	Mtunzini	Siyayi	Alkantstrand	Alkantstrand	Alkantstrand	Mtunzini	Siyayi	Umhlanga
Rating (10 max)	1	2	1	2	3	4	4	4	3	4	4			4	4	4	4	4	4	4	3	3	4	4
Best forecast wave conditions in South Africa	Koeel Bay Overberg	Paranoia Overberg	Gerickes Point Garden Route	Whispering Waves Eastern Cape - Wild Coast	Barbel Point Eastern Cape - Wild Coast	Gerickes Point Garden Route	Gerickes Point Garden Route	Gerickes Point Garden Route	Fish Boma Garden Route	Fish Boma Garden Route	Fish Boma Garden Route	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	The Hoek Cape Town	Gerickes Point Garden Route	Gerickes Point Garden Route	Gerickes Point Garden Route	Gerickes Point Garden Route
Rating (10 max)	4	4	5	4	5	5	5	5	5	5	5	4	4	4	4	4	4	4	4	4	4	4	4	4
Header Global	Lucky Point Philippines	Lucky Point Philippines	Papatowai New Zealand	Trial Harbour Australia	Baler - Lindy's Point Philippines	Weld Road New Zealand	Boneyards South Africa	Kaifu Rivermouth Japan	Barbel Point South Africa	Barbel Point South Africa	Papatowai New Zealand	Boneyards South Africa	Kaifu Rivermouth Japan	Kaifu Rivermouth Japan	Kaifu Rivermouth Japan	Frigates Fiji	Papatowai New Zealand	Papatowai New Zealand	Otago Peninsula - Allans Beach New Zealand	Otago Peninsula - Allans Beach New Zealand	Kaifu Rivermouth Japan	Kaifu Rivermouth Japan	Kaifu Rivermouth Japan	Etang-Sale Reunion
Rating (10 max)	9	9	6	6	6	6	6	6	5	5	6	5	6	7	8	5	5	5	4	4	7	6	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)

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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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