Kai-Iwi 48 hour detailed Surf Forecast

Lat Long: 39.90° S 174.92° E

Issued: 5 am 13 Jul 2026 (local time)

Forecast update in hr min

Today's Kai-Iwi sea temperature is

13.4° C

Kai-Iwi 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 Kai-Iwi today (13 Jul):

Morning surf: Morning surf (13 Jul, local time) - 1.5ft (0.4m), 15s period with SW swell.
Afternoon surf: Afternoon surf (13 Jul, local time) - 1.5ft (0.4m), 14s period with SW swell.
Evening surf: Evening surf (13 Jul, local time) - 0.5ft (0.2m), 14s period with WSW swell.

The current surf forecast for Kai-Iwi at 9AM is: 0.4m 15s primary swell from a Southwest direction and 0.2m 9s secondary swell from a South direction (forecast issued at 05:00am July 13). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (NZST) & Date	Wave Height	Wave Period
Morning (13 Jul)	1.5ft (0.4m)	15s
Afternoon (13 Jul)	1.5ft (0.4m)	14s
Evening (13 Jul)	0.5ft (0.2m)	14s

Table - waves today at Kai-Iwi. (Swell directed towards the surf break)

	Short Range Forecast Mostly dry. Very mild (max 16°C on Wed afternoon, min 9°C on Mon morning). Wind will be generally light.
	Monday 13							Tuesday 14								Wednesday 15								Thu 16
	3 AM	6 AM	9 AM	12 PM	3 PM	6 PM	9 PM	12 AM	3 AM	6 AM	9 AM	12 PM	3 PM	6 PM	9 PM	12 AM	3 AM	6 AM	9 AM	12 PM	3 PM	6 PM	9 PM	12 AM
Rating (10 max)	1	1	0	0	0	0	0	0	1	2	0	0	0	1	0	2	3	2	3	3	3	4	3	4
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	SW 15	WSW 15	SW 15	SW 14	SW 14	SW 14	WSW 14	W 7	W 9	WNW 9	W 9	W 8	WNW 8	W 10	W 10	W 11	WNW 12	W 12	WSW 12	W 12	WSW 16	WSW 15	WSW 15	W 15
Wave Graph
kJ	106	85	54	53	52	32	19	19	287	707	194	143	116	167	167	396	844	546	560	520	649	1256	1103	1232
Wind (km/h)	NNE	N	NNW	NNW	NNW	N	N	N	N	NNW	NNW	NNW	NW	NNW	NNW	NNW	NNW	NNW	NNW	NW	NW	NNW	NNW	NNW
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	off	off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off
High Tide				9:03AM2.65m				9:34PM2.82m				9:58AM2.75m				10:24PM2.93m				10:49AM2.81m				11:13PM2.99m
Low Tide	2:55AM0.87m					3:20PM0.78m				3:49AM0.75m				4:12PM0.68m				4:39AM0.66m				5:00PM0.61m


	—	7:39	—	—	—	—	—	—	—	7:39	—	—	—	—	—	—	—	7:37	—	—	—	—	—	7:37
	—	—	—	—	5:12	—	—	—	—	—	—	—	5:13	—	—	—	—	—	—	—	5:14	—	—	5:14
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	6	8	9	13	14	12	12	13	12	11	12	15	15	13	12	12	12	12	12	15	16	14	12	12
Feels °C	3	5	6	9	9	7	7	8	7	7	8	11	11	11	9	8	9	9	9	12	14	12	9	9
Swell 1 Height (m) Direction Period (s)	SW 15	WSW 15	SW 15	SW 14	SW 14	SW 14	WSW 14	W 7	W 9	WNW 9	W 9	W 8	WSW 11	W 10	W 10	W 11	W 12	W 12	WSW 12	W 12	WSW 16	WSW 15	WSW 15	W 15
kJ	106	85	54	53	52	32	19	17	287	360	194	143	91	167	167	396	617	546	560	520	649	1256	1103	1232
Swell 2 Height (m) Direction Period (s)	S 9	S 9	S 9	S 9	S 9	S 9	S 9	WSW 14	S 12	S 9	WSW 13	SW 20	SW 20	SW 18	WSW 18	SW 18	SW 18	SW 17	SW 17	WSW 16	W 11	S 15	S 15	S 15
kJ	6	7	7	7	6	6	2	19	3	2	18	16	16	13	31	83	87	302	291	458	319	4	5	4
Swell 3 Height (m) Direction Period (s)	S 10	W 5	W 6	S 13	S 14	S 13	S 13	S 12	W 23	W 22	S 9	S 9	S 8	S 8	WSW 14	WSW 18	—	—	—	—	—	—	—	—
kJ	2	1	1	3	4	3	3	12	10	10	2	1	1	1	18	32	—	—	—	—	—	—	—	—
Wind waves Height (m) Direction Period (s)	—	NNW 2	NNW 3	NNW 3	NW 4	NW 4	NNW 4	NW 4	N 4	WNW 9	N 4	NNW 4	WNW 8	WNW 4	WNW 5	WNW 8	WNW 12	NNW 4	NNW 4	WNW 10	—	W 15	—	WNW 6
kJ	—	1	4	8	20	17	22	46	20	707	7	10	116	19	34	352	844	10	11	442	—	1178	—	141
Nearest Offshore or Glassy	Kai-Iwi Wanganui-Manawatu	Kai-Iwi Wanganui-Manawatu	The Point (nr Wainui) Wanganui-Manawatu	Napier - The Reef Hawkes Bay	Owahanga Wairarapa	Akito River Mouth and Reef Wairarapa	Akito River Mouth and Reef Wairarapa	Akito River Mouth and Reef Wairarapa	Wainui Reef Wanganui-Manawatu	Wainui Reef Wanganui-Manawatu	Wainui Reef Wanganui-Manawatu	Wainui Reef Wanganui-Manawatu	Wainui Reef Wanganui-Manawatu	Kai-Iwi Wanganui-Manawatu	Wainui Reef Wanganui-Manawatu	Wainui Reef Wanganui-Manawatu	Wainui Reef Wanganui-Manawatu	Wainui Reef Wanganui-Manawatu	Kai-Iwi Wanganui-Manawatu	Wainui Reef Wanganui-Manawatu	Kai-Iwi Wanganui-Manawatu	Kai-Iwi Wanganui-Manawatu	Kai-Iwi Wanganui-Manawatu	Kai-Iwi Wanganui-Manawatu
Rating (10 max)	1	1	1	1	1	2	1	1	2	3	1	1	1	1	1	3	4	3	3	4	3	4	3	4
Distance (km)	0	0	18	175	150	150	150	150	13	13	13	13	13	0	13	13	13	13	0	13	0	0	0	0
Best forecast wave conditions in Wanganui and the Manawatu	Whangaehu River Mouth	The Fences	Nukumaru Rock						Wainui Reef	Wainui Reef	Wainui Reef	Wainui Reef	Wainui Reef	Wanganui River Mouth	Wainui Reef	Wainui Reef	Wainui Reef	Wainui Reef	Nukumaru Rock	Wainui Reef	Wainui Reef	The Fences	The Fences	Wainui Reef
Rating (10 max)	1	1	1						2	3	1	1	1	2	1	3	4	3	3	4	3	4	4	4
Best forecast wave conditions in New Zealand	Raglan-Whale Bay Raglan and West Waikato	Raglan-Whale Bay Raglan and West Waikato	Punakaiki West Coast South Island	Waimarie West Coast South Island	Papatowai Catlins	Cobden Breakwater West Coast South Island	Blaketown Wedge West Coast South Island	Blaketown Wedge West Coast South Island	Nine Mile West Coast South Island	Westport Breakwater West Coast South Island	Waimarie West Coast South Island	Purakaunui Bay Catlins	Papatowai Catlins	Papatowai Catlins	Papatowai Catlins	Shingles West Coast South Island	Nine Mile West Coast South Island	Nine Mile West Coast South Island	Nine Mile West Coast South Island	Blaketown Wedge West Coast South Island	Papatowai Catlins	Papatowai Catlins	Papatowai Catlins	Fox River West Coast South Island
Rating (10 max)	3	3	2	2	2	3	4	4	3	3	3	3	4	5	5	6	6	6	6	5	4	4	4	5
Header Global	Etang-Sale Reunion	Morne Rights Mauritius	Chameau Mauritius	Black Rocks Mauritius	Benkunqut Indonesia	Benkunqut Indonesia	Benkunqut Indonesia	Gas Bay Australia	Bancoora Australia	Cobblestones Australia	Cathedral Rock Australia	Lebu Chile	Buchupureo Chile	Point Roadnight Australia	Point Roadnight Australia	Shingles New Zealand	Spooky's New Zealand	Fox River New Zealand	Cathedral Rock Australia	Cathedral Rock Australia	Asu Indonesia	Asu Indonesia	Antiques Maldives	Fox River New Zealand
Rating (10 max)	5	4	4	4	4	4	4	6	5	5	9	9	7	8	8	6	7	6	7	7	4	4	4	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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Kai-Iwi 48 hour detailed Surf Forecast

How big are the waves at Kai-Iwi today (13 Jul):

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