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Surf Forecasts:
Kai-Iwi surfForecast / Wanganui-Manawatu / New Zealand
48hr Weather and Surf, issued 12 am Friday 12 Dec 2025 NZDTForecast 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
19.9° C
(Which is 3.8°C warmer than 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: 2.2m 8s primary swell from a West direction and 0.6m 14s secondary swell from a West-southwest direction, 0.2m 5s secondary swell from a South direction (forecast issued at 12:00am December 12). The wind direction is predicted to be cross-shore.
| Time (NZDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Dec) | 5ft (1.6m) | 8s |
| Afternoon (12 Dec) | 5.5ft (1.7m) | 6s |
| Evening (12 Dec) | 5.5ft (1.7m) | 6s |
Table - waves today at Kai-Iwi. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 12 | Saturday 13 | Sunday 14 | ||||||||||||||||||||||
| 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 14 | 7 | 8 | 8 | 8 | 6 | 6 | 6 | 6 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 253 | 352 | 596 | 463 | 212 | 190 | 235 | 228 | 158 | 84 | 84 | 67 | 42 | 59 | 56 | 55 | 123 | 79 | 79 | 78 | 53 | 52 | 50 | 49 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross | glass | cross- on | on | on | cross- on | cross | cross | cross- off | cross | cross | cross- on | on | cross- on | cross | cross- off | cross- off | cross- off | glass | cross- on | cross- on | cross- on |
High Tide / height (m) | 4:45AM 2.34 | 5:11PM 2.40 | 5:41AM 2.27 | 6:10PM 2.33 | 6:43AM 2.25 | |||||||||||||||||||
Low Tide / height (m) | 10:37PM 1.05 | 10:55AM 1.13 | 11:31PM 1.10 | 11:54AM 1.18 | 12:30AM 1.12 | 12:59PM 1.20 | ||||||||||||||||||
Friday 12 | Saturday 13 | Sunday 14 | ||||||||||||||||||||||
| Sunrise | - | - | - | 5:45 | - | - | - | - | - | - | - | 5:45 | - | - | - | - | - | - | - | 5:45 | - | - | - | - |
| Sunset | - | - | - | - | - | - | - | 8:42 | - | - | - | - | - | - | - | 8:42 | - | - | - | - | - | - | - | 8:43 |
 | |  |  | | | | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 15 | 15 | 15 | 15 | 17 | 18 | 19 | 18 | 15 | 12 | 10 | 11 | 17 | 19 | 19 | 19 | 15 | 14 | 12 | 13 | 20 | 22 | 20 | 19 |
| Feels °C (?) | 13 | 10 | 11 | 14 | 14 | 13 | 14 | 13 | 10 | 8 | 7 | 8 | 12 | 15 | 15 | 16 | 12 | 11 | 10 | 11 | 20 | 20 | 18 | 17 |
- 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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