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Surf Forecasts:
Kai-Iwi surfForecast / Wanganui-Manawatu / New Zealand
48hr Weather and Surf, issued 12 pm Sunday 14 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
19.7° C
(Which is 3.5°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 4PM is: 0.4m 11s primary swell from a West-southwest direction and 0.2m 7s secondary swell from a South direction, 0.4m 3s secondary swell from a West direction (forecast issued at 12:00pm December 14). The wind direction is predicted to be cross-onshore.
| Time (NZDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Dec) | 1.5ft (0.5m) | 12s |
| Afternoon (14 Dec) | 1.5ft (0.4m) | 11s |
| Evening (14 Dec) | 1.5ft (0.4m) | 11s |
Table - waves today at Kai-Iwi. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 14 | Monday 15 | Tuesday 16 | Wednesday 17 | |||||||||||||||||||||
| 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) (?) | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 9 | 9 | 3 | 7 | 7 | 7 | 8 | 8 | 8 | 10 | 10 | 9 | 7 | 7 | 16 | 16 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 77 | 75 | 50 | 49 | 32 | 31 | 31 | 13 | 8 | 10 | 9 | 35 | 44 | 18 | 44 | 65 | 119 | 386 | 739 | 556 | 378 | 458 | 674 | 768 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | cross- on | cross- on | cross- on | cross- off | off | cross- off | off | cross- off | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross | cross | cross | cross |
High Tide / height (m) | 7:11PM 2.30 | 7:52AM 2.27 | 8:11PM 2.31 | 8:50AM 2.34 | 9:04PM 2.35 | |||||||||||||||||||
Low Tide / height (m) | 12:59PM 1.20 | 1:33AM 1.11 | 2:05PM 1.17 | 2:31AM 1.07 | 3:02PM 1.12 | 3:20AM 1.01 | ||||||||||||||||||
Sunday 14 | Monday 15 | Tuesday 16 | Wednesday 17 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 5:45 | - | - | - | - | - | - | - | 5:46 | - | - | - | - | - | - | - | 5:46 |
| Sunset | - | - | - | 8:43 | - | - | - | - | - | - | - | 8:44 | - | - | - | - | - | - | - | 8:45 | - | - | - | - |
 | | |  |  |  | | | | | |  | | | | | |  |  |  |  | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 10 | 2 | - | - | - | 1 |
| Temp. °C | 19 | 21 | 19 | 18 | 17 | 16 | 16 | 15 | 20 | 23 | 23 | 22 | 19 | 18 | 18 | 18 | 20 | 18 | 15 | 16 | 15 | 14 | 13 | 13 |
| Feels °C (?) | 18 | 18 | 17 | 17 | 17 | 15 | 15 | 13 | 17 | 18 | 18 | 19 | 16 | 14 | 14 | 13 | 15 | 14 | 13 | 13 | 11 | 9 | 9 | 9 |
- 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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