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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 Tuesday 19 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
15.4° 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 3AM is: 0.4m 14s primary swell from a Southwest direction and 0.1m 8s secondary swell from a South direction (forecast issued at 11:00pm May 19). The wind direction is predicted to be offshore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 May) | 1.5ft (0.4m) | 14s |
| Afternoon (20 May) | 1.5ft (0.4m) | 13s |
| Evening (20 May) | 1ft (0.3m) | 13s |
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 17°C on Thu afternoon, min 9°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Wednesday 20 | Thursday 21 | Friday 22 | ||||||||||||||||||||||
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 |  |    |    |    | ||||||||||||||||||||
SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 16 | WSW 15 | WSW 14 | WSW 13 | WSW 13 | WSW 12 | WSW 11 | WSW 11 | WSW 11 | |
53 | 52 | 52 | 51 | 46 | 45 | 45 | 45 | 27 | 27 | 26 | 16 | 15 | 14 | 14 | 25 | 44 | 116 | 239 | 227 | 206 | 229 | 198 | 191 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | off | off | off | cross-off | cross-off | cross-on | glassy | cross-off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | glassy | glassy | glassy | glassy | glassy | |
High Tide | 00:23AM2.87m | 12:50PM2.69m | 1:17AM2.77m | 1:49PM2.58m | 2:16AM2.65m | 2:52PM2.47m | ||||||||||||||||||
Low Tide | 6:12PM0.65m | 6:43AM0.73m | 7:03PM0.76m | 7:40AM0.84m | 7:59PM0.89m | 8:40AM0.95m | ||||||||||||||||||
 | | | |  | | | | | | | | | | | | |  |  | |  | | | | |
 | — | — | — | 7:22 | — | — | — | — | — | — | — | 7:22 | — | — | — | — | — | — | — | 7:24 | — | — | — | — |
 | — | — | — | — | — | — | 5:09 | — | — | — | — | — | — | — | 5:09 | — | — | — | — | — | — | — | 5:08 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 11 | 10 | 10 | 9 | 10 | 15 | 16 | 13 | 12 | 11 | 10 | 10 | 11 | 16 | 17 | 14 | 13 | 13 | 13 | 12 | 13 | 14 | 16 | 14 |
10 | 8 | 8 | 7 | 8 | 13 | 14 | 12 | 10 | 8 | 7 | 7 | 7 | 12 | 13 | 11 | 10 | 11 | 11 | 11 | 11 | 13 | 15 | 14 | |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | WSW 13 | WNW 7 | WNW 7 | WNW 7 | WNW 7 | WSW 15 | WSW 14 | WSW 13 | WSW 13 | WSW 12 | WSW 11 | WSW 11 | WSW 11 |
 kJ | 53 | 52 | 52 | 51 | 46 | 45 | 45 | 45 | 27 | 27 | 26 | 16 | 4 | 10 | 5 | 5 | 44 | 116 | 239 | 227 | 206 | 229 | 198 | 191 |
Swell 2 Height (m) Direction Period (s) | S 9 | S 8 | S 8 | S 8 | S 8 | S 8 | — | W 4 | S 7 | — | — | W 19 | WSW 12 | WSW 12 | WSW 12 | WSW 16 | WNW 8 | WNW 7 | S 11 | W 4 | W 4 | SSW 5 | SSW 5 | SSW 5 |
| kJ | 2 | 1 | 1 | 1 | 1 | 1 | — | 1 | 1 | — | — | 7 | 15 | 14 | 14 | 25 | 6 | 5 | 3 | 6 | 4 | 5 | 8 | 5 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | S 8 | S 7 | S 7 | — | — | — | — | W 19 | W 18 | SW 15 | SW 12 | SW 12 | S 12 | S 11 | S 11 | S 4 | S 10 | SW 16 | SW 16 |
| kJ | — | — | — | — | — | 1 | 1 | 1 | — | — | — | — | 7 | 7 | 9 | 6 | 5 | 3 | 2 | 2 | 2 | 2 | 10 | 10 |
Wind waves Height (m) Direction Period (s) | — | — | — | SW 8 | — | — | NNW 3 | — | WNW 4 | NW 3 | NW 4 | NW 4 | NW 3 | NW 4 | NW 4 | WNW 4 | WNW 5 | WNW 5 | — | — | — | — | — | — |
| kJ | — | — | — | 3 | — | — | 1 | — | 1 | 4 | 6 | 5 | 5 | 11 | 7 | 6 | 8 | 8 | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 18 | 18 | 18 | 18 | 18 | 39 | 94 | 91 | 39 | 39 | 91 | 91 | 120 | 206 | 206 | 103 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Wanganui and the Manawatu | ||||||||||||||||||||||||
Best forecast wave conditions in New Zealand | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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