Kosi Bay 48 hour detailed Surf Forecast

Lat Long: 26.87° S 32.89° E

Issued: 1 pm 16 Jul 2026 (local time)

Forecast update in hr min

Today's Kosi Bay sea temperature is

23.6° 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):

Morning surf: Morning surf (16 Jul, local time) - 5.5ft (1.7m), 10s period with ESE swell.
Afternoon surf: Afternoon surf (16 Jul, local time) - 5ft (1.5m), 10s period with ESE swell.
Evening surf: Evening surf (16 Jul, local time) - 4.5ft (1.4m), 10s period with ESE swell.

The current surf forecast for Kosi Bay at 9PM is: 1.4m 10s primary swell from a East-southeast direction and 0.3m 9s secondary swell from a South-southeast direction (forecast issued at 01:00pm July 16). The wind direction is predicted to be cross-onshore.

Time (SAST) & Date	Wave Height	Wave Period
Morning (16 Jul)	5.5ft (1.7m)	10s
Afternoon (16 Jul)	5ft (1.5m)	10s
Evening (16 Jul)	4.5ft (1.4m)	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 Thu night). Wind will be generally light.
	Thu 16					Friday 17								Saturday 18
	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)	1	1	0	1	2	2	2	2	2	1	0	1	2	1	1	1	0	1	0	1	2
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	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	E 10	ESE 10	E 10	E 10	E 10	S 14
Wave Graph
kJ	527	502	416	416	358	365	358	301	301	288	245	240	231	235	196	196	160	151	151	148	146
Wind (km/h)	SSW	SE	ESE	E	N	W	WNW	NW	N	NNE	NE	NNE	N	N	N	N	N	NNE	NE	NE	NNE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross-on	on	on	cross-on	glassy	cross-off	cross-off	off	cross-off	cross-off	cross	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross	cross	cross-off
High Tide				5:17PM2.21m				5:31AM2.12m				5:56PM2.18m				6:07AM2.04m				6:34PM2.10m
Low Tide		11:01AM0.02m				11:25PM0.12m				11:39AM0.04m				00:03AM0.19m				12:16PM0.11m


	—	—	—	—	—	—	6:35	—	—	—	—	—	—	—	6:35	—	—	—	—	—	—
	—	—	5:12	—	—	—	—	—	—	—	5:13	—	—	—	—	—	—	—	5:13	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	21	22	21	21	20	19	18	18	21	23	22	22	21	21	19	18	23	25	24	23	22
Feels °C	21	21	21	22	22	20	18	19	20	20	20	21	21	21	17	15	20	21	21	22	24
Swell 1 Height (m) Direction Period (s)	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	E 10	ESE 10	E 10	E 10	E 10	E 10
kJ	527	502	416	416	358	365	358	301	301	288	245	240	231	235	196	196	160	151	151	148	117
Swell 2 Height (m) Direction Period (s)	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 9	S 16	SSW 15	SSW 14	SSW 12	SSW 12	S 15	S 14
kJ	20	18	17	16	16	16	7	16	13	9	9	3	17	6	21	21	19	50	44	68	146
Swell 3 Height (m) Direction Period (s)	S 13	SSW 9	SW 9	SW 9	SSE 12	SSW 12	SSW 10	SSE 8	SSE 9	SSE 8	SSE 10	S 10	SSW 7	SW 12	S 9	S 18	S 8	S 16	S 15	SSW 11	SSW 10
kJ	4	8	3	3	13	14	10	7	8	7	10	8	4	6	2	6	5	21	41	40	35
Wind waves Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	NNE 3	NNE 3	NE 4	NNE 4	NNE 4	NNE 4	NNE 5	NNE 5	NNE 5	NNE 5	NNE 5	NE 4
kJ	—	—	—	—	—	—	—	—	—	3	8	6	8	11	18	28	33	34	31	19	16
Nearest Offshore or Glassy	Cape Vidal KZN North	Alkantstrand KZN North	Addington (South Beach) 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	Guinjata Bay Inhambane	Mtunzini KZN North	St Lucia KZN North	Kosi Bay KZN North	Sodwana KZN North	Sodwana KZN North	Sodwana KZN North	Sodwana KZN North	Quissico Inhambane	Addington (South Beach) Durban/KZN South	Sodwana KZN North	Kosi Bay KZN North
Rating (10 max)	3	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	1	1	1	2	2
Distance (km)	144	228	378	228	0	0	0	0	0	407	258	173	0	25	25	25	25	290	378	25	0
Best forecast wave conditions in KwaZulu-Natal North Coast	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)			Richards Bay (Outside)	Siyayi
Rating (10 max)	3	2		2	2	2	2	2	2		2	2	2	2	2	2	2			2	3
Best forecast wave conditions in South Africa	Dungeons Cape Town	Dungeons Cape Town	Gerickes Point Garden Route	Gerickes Point Garden Route	Haga-Haga Eastern Cape - Wild Coast	Goukamma River Mouth Garden Route	Gerickes Point 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	Goukamma River Mouth 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	Dungeons Cape Town	Gerickes Point Garden Route
Rating (10 max)	4	3	4	4	4	4	4	4	4	4	3	4	3	3	3	3	3	3	3	3	3
Header Global	Dunedin - Bobs Beach New Zealand	Easter Reef Australia	Easter Reef Australia	Easter Reef Australia	Easter Reef Australia	Easter Reef Australia	Easter Reef Australia	East Pier (Port Alfred) South Africa	Easter Reef Australia	Dunedin - Bobs Beach New Zealand	Dunedin - Bobs Beach New Zealand	Dunedin - Bobs Beach New Zealand	Dunedin - Bobs Beach New Zealand	Seconds (White Rock) New Zealand	Otago Peninsula - Allans Beach New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand
Rating (10 max)	8	5	5	5	6	6	6	5	5	6	7	7	6	9	7	9	9	7	6	6	6

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

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Kosi Bay 48 hour detailed Surf Forecast

How big are the waves at Kosi Bay today (16 Jul):

Short Range Forecast

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