Kosi Bay 48 hour detailed Surf Forecast

Lat Long: 26.87° S 32.89° E

Issued: 7 pm 15 Jul 2026 (local time)

Forecast update in hr min

Today's Kosi Bay sea temperature is

23.8° 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 (16 Jul):

Afternoon surf: Afternoon surf (16 Jul, local time) - 6.5ft (2.0m), 10s period with ESE swell.
Evening surf: Evening surf (16 Jul, local time) - 6.5ft (2.0m), 10s period with ESE swell.

The current surf forecast for Kosi Bay at 12AM is: 2.0m 10s primary swell from a East-southeast direction and 0.2m 10s secondary swell from a South direction (forecast issued at 07:00pm July 15). The wind direction is predicted to be cross-offshore and the swell rating is 3.

Time (SAST) & Date	Wave Height	Wave Period
Morning (16 Jul)	-	-
Afternoon (16 Jul)	6.5ft (2.0m)	10s
Evening (16 Jul)	6.5ft (2.0m)	10s

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

	Short Range Forecast Mostly dry. Warm (max 25°C on Sat afternoon, min 18°C on Wed night). Wind will be generally light.
	Wed 15			Thursday 16								Friday 17								Sat 18
	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	11 AM	2 PM
Rating (10 max)	1	1	2	1	1	1	1	0	0	0	2	2	2	2	2	1	0	1	2	2	2	1	0	0
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	ESE 11	ESE 11	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	E 10	E 10	E 10	ESE 10	E 10
Wave Graph
kJ	974	974	807	720	640	627	527	446	437	437	358	358	358	301	301	288	245	240	240	231	196	196	160	151
Wind (km/h)	ESE	ESE	SW	SW	SSW	SSW	S	SSE	ESE	ESE	N	WNW	WNW	NW	N	NNE	NE	NE	N	NNW	N	N	N	N
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	on	on	cross	cross	cross-on	cross	cross-on	on	on	cross-on	glassy	cross-off	off	off	cross-off	cross-off	cross	cross	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off
High Tide	4:37PM2.18m				4:53AM2.14m					5:17PM2.21m				5:31AM2.12m				5:56PM2.18m				6:07AM2.04m
Low Tide			10:44PM0.10m					11:01AM0.02m				11:25PM0.12m				11:39AM0.04m				00:03AM0.19m				12:16PM0.11m


	—	—	—	—	6:35	—	—	—	—	—	—	—	6:35	—	—	—	—	—	—	—	6:35	—	—	—
	5:12	—	—	—	—	—	—	—	5:12	—	—	—	—	—	—	—	5:13	—	—	—	—	—	—	5:13
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	21	21	20	19	18	18	21	22	21	21	21	19	18	18	21	23	21	21	21	20	20	18	22	25
Feels °C	21	21	20	18	17	17	20	21	21	21	23	20	19	19	21	20	19	21	22	20	20	16	18	20
Swell 1 Height (m) Direction Period (s)	ESE 11	ESE 11	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	E 10	E 10	E 10	ESE 10	E 10
kJ	974	974	807	720	640	627	527	446	437	437	358	358	358	301	301	288	245	240	240	231	196	196	160	151
Swell 2 Height (m) Direction Period (s)	S 9	SSW 10	S 10	S 11	SSE 11	SSE 10	SSE 10	SSE 10	SSE 9	SSE 9	SSE 9	SSE 9	SSE 9	SSW 9	SSW 8	S 7	S 7	S 6	S 10	S 6	S 17	S 9	SSW 14	SSW 12
kJ	7	18	7	9	12	11	20	18	17	16	16	16	8	25	21	15	8	3	8	2	22	2	18	29
Swell 3 Height (m) Direction Period (s)	—	—	S 11	SSE 11	SSE 11	S 14	S 14	SSW 9	SW 9	SW 9	SSE 12	SSW 12	SSW 10	SSE 8	SSE 9	SSE 8	SSE 10	S 8	SSW 6	SSW 12	S 6	S 15	S 16	S 16
kJ	—	—	2	12	11	4	4	8	3	3	13	14	10	7	8	7	9	5	8	14	1	4	5	21
Wind waves Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	NE 3	NE 3	NE 3	NNE 3	N 4	N 4	N 5	NNE 5
kJ	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	3	3	3	4	6	19	43	64
Nearest Offshore or Glassy	Zinkwazi KZN North	Richards Bay (Inside) KZN North	Cape Vidal KZN North	St Lucia KZN North	St Lucia KZN North	Mapelane KZN North	Alkantstrand KZN North	Alkantstrand KZN North	The Spot Durban/KZN South	Alkantstrand KZN North	Kosi Bay KZN North	Kosi Bay KZN North	Kosi Bay KZN North	Kosi Bay KZN North	Kosi Bay KZN North	Addington (South Beach) Durban/KZN South	Mtunzini KZN North	Sodwana KZN North	Kosi Bay KZN North	Kosi Bay KZN North	Kosi Bay KZN North	Richards Bay (Inside) KZN North	Richards Bay (Inside) KZN North	Reunion Durban/KZN South
Rating (10 max)	3	3	3	3	3	3	3	3	2	2	2	2	2	2	2	1	2	2	2	2	2	2	2	2
Distance (km)	297	229	144	173	173	177	228	228	431	228	0	0	0	0	0	378	258	25	0	0	0	229	229	380
Best forecast wave conditions in KwaZulu-Natal North Coast	Zinkwazi	Richards Bay (Outside)	Richards Bay (Outside)	Richards Bay (Outside)	Richards Bay (Outside)	Umhlanga	Umhlanga	Alkantstrand		Richards Bay (Outside)	Richards Bay (Outside)	Richards Bay (Outside)	Richards Bay (Outside)	Richards Bay (Outside)	Richards Bay (Outside)		Siyayi	Richards Bay (Outside)	Umhlanga	Richards Bay (Outside)	Richards Bay (Outside)	Richards Bay (Outside)	Richards Bay (Outside)
Rating (10 max)	3	3	3	3	3	3	3	3		2	2	2	2	2	2		2	2	2	2	2	2	2
Best forecast wave conditions in South Africa	Dungeons Cape Town	Paranoia Overberg	Dungeons Cape Town	Gerickes Point Garden Route	Fish Boma Garden Route	Fish Boma Garden Route	Vleesbaai Overberg	Koeel Bay Overberg	Gerickes Point Garden Route	Gerickes Point Garden Route	Gerickes Point Garden Route	Goukamma River Mouth Garden Route	Gerickes Point Garden Route	Gerickes Point Garden Route	Gerickes Point Garden Route	Gerickes Point Garden Route	Yellow sands Point Eastern Cape - Wild Coast	Haga-Haga Eastern Cape - Wild Coast	Gerickes Point Garden Route	Gerickes Point Garden Route	Gerickes Point Garden Route	Goukamma River Mouth Garden Route	Gerickes Point Garden Route	Yellow sands Point Eastern Cape - Wild Coast
Rating (10 max)	4	4	4	5	5	5	4	3	4	4	4	4	4	4	4	4	4	4	3	3	3	3	3	3
Header Global	Shingles New Zealand	Shipstern Bluff Australia	Hell South Africa	Gerickes Point South Africa	Boneyards South Africa	Boneyards South Africa	Dunedin - Cob Cottage New Zealand	Easter Reef Australia	Otago Peninsula - Allans Beach New Zealand	Lebu Chile	Easter Reef Australia	Dunedin - Bobs Beach New Zealand	Easter Reef Australia	Papatowai New Zealand	Papatowai New Zealand	Otago Peninsula - Allans Beach New Zealand	Dunedin - Kuri Bush New Zealand	Dunedin - Cob Cottage New Zealand	Dunedin - Kuri Bush New Zealand	Seconds (White Rock) New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand
Rating (10 max)	5	5	5	5	5	5	7	5	5	6	6	9	6	8	9	8	7	6	6	8	9	9	9	7

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 (16 Jul):

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