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Surf Forecasts:
Kai-Iwi surfForecast / Wanganui-Manawatu / New Zealand
48hr Weather and Surf, issued 12 pm Saturday 13 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
19.8° C
(Which is 3.6°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 5PM is: 0.4m 12s primary swell from a West-southwest direction and 0.5m 9s secondary swell from a West direction, 0.6m 3s secondary swell from a South direction (forecast issued at 12:00pm December 13). The wind direction is predicted to be onshore.
| Time (NZDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Dec) | 1.5ft (0.4m) | 13s |
| Afternoon (13 Dec) | 1.5ft (0.4m) | 12s |
| Evening (13 Dec) | 2.5ft (0.7m) | 12s |
Table - waves today at Kai-Iwi. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | |||||||||||||||||||||
| 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 | 10 PM | 1 AM | 4 AM | 7 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 9 | 9 | 4 | 4 | 14 | 7 | 14 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 65 | 59 | 56 | 55 | 123 | 79 | 79 | 78 | 77 | 52 | 50 | 49 | 32 | 31 | 31 | 13 | 10 | 10 | 12 | 32 | 20 | 34 | 18 | 17 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- on | on | on | cross | cross- off | cross- off | off | cross- off | cross- on | cross- on | cross- on | off | off | cross- off | off | cross | cross- off | cross | cross | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 6:10PM 2.33 | 6:43AM 2.25 | 7:11PM 2.30 | 7:52AM 2.27 | 8:11PM 2.31 | |||||||||||||||||||
Low Tide / height (m) | 11:54AM 1.18 | 12:30AM 1.12 | 12:59PM 1.20 | 1:33AM 1.11 | 2:05PM 1.17 | 2:31AM 1.07 | ||||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 5:45 | - | - | - | - | - | - | - | 5:45 | - | - | - | - | - | - | - | 5:46 |
| Sunset | - | - | - | 8:42 | - | - | - | - | - | - | - | 8:43 | - | - | - | - | - | - | - | 8:44 | - | - | - | - |
 | | | |  | | | | | | |  |  | | | | | | | |  | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 16 | 18 | 18 | 18 | 15 | 14 | 12 | 14 | 20 | 21 | 20 | 18 | 16 | 16 | 15 | 15 | 20 | 22 | 22 | 22 | 18 | 16 | 16 | 17 |
| Feels °C (?) | 12 | 14 | 14 | 15 | 13 | 12 | 10 | 12 | 19 | 19 | 17 | 17 | 16 | 15 | 14 | 14 | 18 | 19 | 19 | 19 | 16 | 14 | 13 | 14 |
- 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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