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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 am Monday 25 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
15.1° 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 6PM is: 0.5m 13s primary swell from a South direction and 0.4m 14s secondary swell from a West-southwest direction, 0.3m 2s secondary swell from a West-northwest direction (forecast issued at 11:00am May 25). The wind direction is predicted to be cross-offshore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 May) | 1.5ft (0.5m) | 15s |
| Afternoon (25 May) | 1.5ft (0.5m) | 14s |
| Evening (25 May) | 1.5ft (0.4m) | 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 16°C on Tue morning, min 10°C on Mon morning). Wind will be generally light. | ||||||||||||||||||||||||
Mon 25 | Tuesday 26 | Wednesday 27 | Thu 28 | |||||||||||||||||||||
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 | 3 AM | 6 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
S 15 | SW 14 | SW 14 | S 13 | SSW 13 | SSW 13 | WSW 6 | W 7 | W 7 | W 7 | W 6 | WSW 6 | WSW 6 | SSW 12 | SSW 12 | S 11 | SSW 16 | S 15 | S 14 | S 14 | S 14 | S 14 | S 14 | S 13 | |
112 | 103 | 100 | 92 | 68 | 56 | 170 | 263 | 263 | 202 | 97 | 60 | 33 | 27 | 26 | 10 | 84 | 161 | 203 | 198 | 195 | 189 | 136 | 130 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | cross | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross | cross-off | cross-off | cross-off | cross-off | |
High Tide | 6:01PM2.31m | 6:31AM2.39m | 7:06PM2.35m | 7:27AM2.41m | 8:00PM2.42m | |||||||||||||||||||
Low Tide | 11:48AM1.07m | 00:15AM1.12m | 12:50PM1.03m | 1:18AM1.07m | 1:44PM0.97m | 2:11AM1.01m | ||||||||||||||||||
 | | |  | | |  |  |  | | | | | | | |  | | | | | | | | |
 | 7:26 | — | — | — | — | — | — | 7:26 | — | — | — | — | — | — | — | 7:28 | — | — | — | — | — | — | — | 7:28 |
 | — | — | 5:07 | — | — | — | — | — | — | — | 5:06 | — | — | — | — | — | — | — | 5:06 | — | — | — | — | 5:05 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 10 | 13 | 14 | 12 | 11 | 10 | 11 | 11 | 13 | 16 | 15 | 13 | 12 | 11 | 10 | 10 | 11 | 14 | 14 | 12 | 11 | 11 | 11 | 12 |
9 | 11 | 12 | 10 | 9 | 7 | 8 | 7 | 9 | 12 | 13 | 13 | 11 | 9 | 8 | 8 | 9 | 12 | 12 | 11 | 9 | 9 | 9 | 10 | |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 14 | S 13 | SSW 13 | SSW 13 | WSW 6 | SSW 13 | SSW 12 | SSW 12 | W 6 | WSW 6 | WSW 6 | W 5 | W 5 | SSW 5 | SSW 16 | S 15 | S 14 | S 14 | S 14 | S 14 | S 14 | S 13 |
 kJ | 103 | 102 | 100 | 92 | 57 | 56 | 170 | 53 | 50 | 49 | 97 | 60 | 33 | 14 | 8 | 7 | 84 | 161 | 203 | 198 | 195 | 189 | 136 | 130 |
Swell 2 Height (m) Direction Period (s) | S 15 | S 14 | S 14 | WSW 14 | WSW 13 | SW 13 | SSW 13 | SW 13 | WSW 13 | WSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 4 | W 5 | SSW 4 | S 4 | WSW 11 | WSW 15 | WSW 14 | SW 14 | SW 14 | SW 14 |
| kJ | 112 | 103 | 97 | 77 | 68 | 44 | 55 | 27 | 16 | 15 | 48 | 47 | 27 | 27 | 6 | 4 | 4 | 3 | 11 | 21 | 21 | 33 | 54 | 53 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | WSW 13 | SW 13 | SW 13 | — | SW 13 | WSW 12 | WSW 12 | SW 12 | SSW 4 | SSW 12 | S 11 | W 5 | WSW 11 | WSW 15 | SW 11 | WSW 11 | — | WSW 15 | W 10 |
| kJ | — | — | — | — | — | 17 | 27 | 7 | — | 6 | 14 | 14 | 6 | 3 | 26 | 10 | 2 | 12 | 21 | 5 | 11 | — | 21 | 2 |
Wind waves Height (m) Direction Period (s) | — | — | — | WNW 2 | WNW 4 | W 5 | NNW 4 | W 7 | W 7 | W 7 | — | — | — | — | — | — | E 2 | — | — | W 11 | — | NW 3 | WNW 4 | W 4 |
| kJ | — | — | — | 1 | 8 | 53 | 7 | 263 | 263 | 202 | — | — | — | — | — | — | 1 | — | — | 9 | — | 2 | 8 | 18 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 13 | 13 | 0 | 0 | 0 | 13 | 13 | 104 | 104 | 13 | 0 | 18 | 91 | 91 | 91 | 0 | 13 | 109 | 13 | 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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