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Kai-Iwi Surf Forecast
/ Wanganui-Manawatu (16 surf breaks) /
Surf Forecasts:
Kai-Iwi surfForecast / Wanganui-Manawatu / New Zealand
48hr Weather and Surf, issued 11 pm Thursday 21 May 2026 NZSTForecast update in hr min s Forecast update imminent
Kai-Iwi surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Kai-Iwi sea temperature is
15.2° C
(Which is normal for this time of year)How big are the waves at Kai-Iwi today?
The current surf forecast for Kai-Iwi at 4AM is: 0.5m 13s primary swell from a West-southwest direction and 0.3m 4s secondary swell from a West-northwest direction (forecast issued at 11:00pm May 21). The wind direction is predicted to be offshore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 May) | 2.5ft (0.7m) | 12s |
| Afternoon (22 May) | 2.5ft (0.8m) | 11s |
| Evening (22 May) | 2.5ft (0.8m) | 10s |
Table - waves today at Kai-Iwi. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 18°C on Sun afternoon, min 10°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Friday 22 | Saturday 23 | Sunday 24 | ||||||||||||||||||||||
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 | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | |
Swell Height Map |  |    |    |    | ||||||||||||||||||||
WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 12 | WSW 11 | WSW 11 | WSW 11 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | W 10 | SW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | SW 19 | WSW 18 | WSW 17 | WSW 17 | |
20 | 70 | 104 | 133 | 152 | 186 | 158 | 150 | 136 | 131 | 98 | 100 | 77 | 71 | 51 | 139 | 98 | 96 | 65 | 63 | 94 | 124 | 200 | 188 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | off | off | off | glassy | glassy | glassy | glassy | cross-off | cross-off | off | off | cross-off | glassy | cross-on | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | cross | |
High Tide | 2:16AM2.65m | 2:52PM2.47m | 3:20AM2.54m | 3:55PM2.38m | 4:25AM2.46m | 4:57PM2.33m | ||||||||||||||||||
Low Tide | 7:59PM0.89m | 8:40AM0.95m | 8:58PM1.01m | 9:42AM1.02m | 10:02PM1.09m | 10:44AM1.07m | ||||||||||||||||||
 | |  | |  | |  | | | | | |  | | | | | | | | | | | | |
 | — | — | — | 7:24 | — | — | — | — | — | — | — | 7:24 | — | — | — | — | — | — | — | 7:24 | — | — | — | — |
 | — | — | — | — | — | — | 5:08 | — | — | — | — | — | — | — | 5:07 | — | — | — | — | — | — | — | 5:07 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 14 | 13 | 13 | 13 | 13 | 15 | 16 | 14 | 13 | 12 | 12 | 12 | 12 | 15 | 16 | 13 | 12 | 11 | 10 | 10 | 10 | 15 | 18 | 14 |
12 | 12 | 12 | 11 | 12 | 14 | 15 | 14 | 12 | 10 | 10 | 10 | 10 | 14 | 13 | 11 | 11 | 9 | 7 | 7 | 7 | 13 | 15 | 11 | |
Swell 1 Height (m) Direction Period (s) | W 4 | WNW 4 | WSW 14 | WSW 13 | WSW 12 | WSW 11 | WSW 11 | WSW 11 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | W 10 | W 10 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | SW 12 | WSW 18 | WSW 17 | WSW 17 |
 kJ | 3 | 5 | 104 | 133 | 152 | 186 | 158 | 150 | 136 | 131 | 98 | 100 | 77 | 71 | 48 | 139 | 98 | 96 | 65 | 63 | 39 | 124 | 200 | 188 |
Swell 2 Height (m) Direction Period (s) | WSW 14 | WSW 14 | WNW 4 | W 4 | W 4 | SSW 4 | SSW 4 | SSW 4 | SSW 4 | S 5 | S 9 | S 13 | SW 15 | SW 14 | SW 14 | S 12 | S 12 | SSW 10 | S 10 | SSW 15 | SW 19 | SW 12 | SSW 14 | SSW 14 |
| kJ | 20 | 70 | 3 | 3 | 3 | 2 | 4 | 4 | 2 | 2 | 6 | 13 | 35 | 53 | 51 | 11 | 11 | 20 | 8 | 47 | 94 | 40 | 37 | 36 |
Swell 3 Height (m) Direction Period (s) | SW 12 | S 12 | S 11 | S 11 | S 10 | W 5 | SW 16 | SW 16 | S 9 | S 9 | S 13 | S 8 | SSW 13 | SSW 13 | S 12 | WSW 4 | — | W 12 | SSW 5 | SSW 4 | SSW 15 | SSW 14 | — | — |
| kJ | 5 | 3 | 3 | 2 | 2 | 2 | 10 | 10 | 2 | 6 | 3 | 5 | 16 | 16 | 12 | 4 | — | 3 | 2 | 2 | 44 | 41 | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | WNW 3 | — | — | — | — | — | — | ESE 3 | ESE 3 | ESE 3 | ESE 3 | SE 3 | SE 4 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 5 | — | — | — | — | — | — | 1 | 3 | 4 | 4 | 5 | 12 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 91 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 118 | 39 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 11 |
Best forecast wave conditions in Wanganui and the Manawatu | ||||||||||||||||||||||||
Best forecast wave conditions in New Zealand | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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