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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 Saturday 18 Apr 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
17.8° C
(Which is slightly warmer than usual)How big are the waves at Kai-Iwi today?
The current surf forecast for Kai-Iwi at 3PM is: 1.6m 9s primary swell from a West direction and 0.2m 16s secondary swell from a West-southwest direction (forecast issued at 11:00am April 18). An open ocean swell of 1.3m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Apr) | 5.5ft (1.7m) | 8s |
| Afternoon (18 Apr) | 5ft (1.6m) | 9s |
| Evening (18 Apr) | 6ft (1.8m) | 9s |
Table - waves today at Kai-Iwi. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | |||||||||||||||||||||
| 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 9 | 9 | 9 | 9 | 9 | 10 | 13 | 13 | 14 | 14 | 14 | 15 | 15 | 14 | 14 | 14 | 13 | 13 | 7 | 7 | 7 | 7 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 409 | 373 | 381 | 572 | 551 | 479 | 312 | 599 | 703 | 826 | 899 | 1031 | 1045 | 1045 | 943 | 778 | 624 | 408 | 235 | 188 | 218 | 166 | 99 | 67 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross- off | off | cross- off | cross | cross | cross | cross | cross | cross | cross- off | cross- on | cross- on | on |
High Tide / height (m) | 10:37AM 2.88 | 11:03PM 2.90 | 11:20AM 2.88 | 11:46PM 2.89 | 12:05PM 2.81 | 12:32AM 2.83 | ||||||||||||||||||
Low Tide / height (m) | 4:53PM 0.47 | 5:15AM 0.53 | 5:37PM 0.52 | 6:01AM 0.60 | 6:23PM 0.62 | |||||||||||||||||||
Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | |||||||||||||||||||||
| Sunrise | 6:50 | - | - | - | - | - | - | - | 6:52 | - | - | - | - | - | - | - | 6:52 | - | - | - | - | - | - | - |
| Sunset | - | - | 5:46 | - | - | - | - | - | - | - | 5:45 | - | - | - | - | - | - | - | 5:44 | - | - | - | - | - |
 |  | |  | | |  |  |  | | | |  |  | | |  | |  |  | | | | | |
Rain (mm) | - | 2 | 1 | 6 | 8 | 7 | 11 | 1 | - | - | 2 | 5 | - | - | - | - | 8 | 1 | - | - | 2 | - | - | 1 |
| Temp. °C | 18 | 19 | 18 | 17 | 15 | 15 | 14 | 14 | 15 | 18 | 16 | 13 | 13 | 12 | 11 | 12 | 12 | 13 | 14 | 13 | 12 | 12 | 11 | 12 |
| Feels °C (?) | 14 | 14 | 13 | 13 | 13 | 14 | 14 | 13 | 14 | 16 | 15 | 11 | 12 | 11 | 9 | 7 | 8 | 9 | 10 | 10 | 11 | 8 | 4 | 6 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Kai-Iwi surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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