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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 23 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
15.3° 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 3PM is: 0.4m 14s primary swell from a Southwest direction and 0.5m 10s secondary swell from a West direction (forecast issued at 11:00am May 23). The wind direction is predicted to be cross-onshore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 May) | 2ft (0.6m) | 10s |
| Afternoon (23 May) | 1.5ft (0.4m) | 14s |
| Evening (23 May) | 1.5ft (0.5m) | 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 17°C on Sun afternoon, min 9°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Sat 23 | Sunday 24 | Monday 25 | Tue 26 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
WSW 10 | SW 14 | SW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | SW 19 | WSW 18 | SW 17 | WSW 17 | WSW 16 | WSW 16 | WSW 16 | WSW 15 | SW 14 | SW 14 | SW 14 | WSW 14 | SSW 13 | SSW 13 | W 6 | W 6 | |
77 | 53 | 51 | 139 | 98 | 96 | 65 | 64 | 94 | 124 | 147 | 190 | 171 | 166 | 164 | 148 | 103 | 104 | 100 | 77 | 57 | 56 | 88 | 153 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | glassy | cross-on | cross-on | cross | cross | cross | cross-off | cross-off | cross | cross-on | cross | cross | cross-off | glassy | glassy | glassy | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | |
High Tide | 3:55PM2.38m | 4:25AM2.46m | 4:57PM2.33m | 5:30AM2.41m | 6:01PM2.31m | |||||||||||||||||||
Low Tide | 9:42AM1.02m | 10:02PM1.09m | 10:44AM1.07m | 11:08PM1.13m | 11:48AM1.07m | 00:15AM1.12m | ||||||||||||||||||
 | | |  |  | | | |  | | | | | | | | | | | | | |  | | |
 | 7:24 | — | — | — | — | — | — | 7:24 | — | — | — | — | — | — | — | 7:26 | — | — | — | — | — | — | — | 7:26 |
 | — | — | 5:07 | — | — | — | — | — | — | — | 5:07 | — | — | — | — | — | — | — | 5:07 | — | — | — | — | 5:06 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 12 | 15 | 16 | 13 | 12 | 11 | 10 | 10 | 11 | 15 | 17 | 13 | 11 | 10 | 10 | 9 | 10 | 14 | 15 | 12 | 11 | 11 | 10 | 11 |
10 | 13 | 13 | 11 | 9 | 8 | 7 | 7 | 8 | 12 | 14 | 10 | 8 | 8 | 9 | 7 | 9 | 13 | 13 | 10 | 9 | 8 | 7 | 8 | |
Swell 1 Height (m) Direction Period (s) | WSW 10 | W 10 | W 10 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | SW 12 | WSW 18 | SW 17 | WSW 17 | WSW 16 | WSW 16 | WSW 16 | WSW 15 | SW 14 | SW 14 | SW 14 | WSW 14 | SSW 13 | SSW 13 | W 6 | SSW 13 |
 kJ | 77 | 50 | 47 | 139 | 98 | 96 | 65 | 64 | 39 | 124 | 147 | 190 | 171 | 166 | 164 | 148 | 103 | 102 | 100 | 77 | 57 | 56 | 88 | 53 |
Swell 2 Height (m) Direction Period (s) | SW 15 | SW 14 | SW 14 | S 12 | S 12 | SSW 5 | SSW 5 | SSW 5 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 15 | S 16 | SSW 16 | SSW 16 | SSW 15 | S 14 | SSW 14 | SSW 13 | SW 13 | SW 13 | SSW 13 | SW 13 |
| kJ | 35 | 53 | 51 | 11 | 11 | 8 | 7 | 7 | 44 | 69 | 63 | 37 | 47 | 124 | 83 | 81 | 74 | 104 | 63 | 60 | 44 | 44 | 55 | 27 |
Swell 3 Height (m) Direction Period (s) | SSW 13 | SSW 13 | S 12 | SSW 10 | SSW 5 | S 10 | S 13 | SSW 16 | SW 19 | SW 12 | WSW 12 | — | — | — | ESE 3 | SW 9 | — | — | — | — | — | WSW 13 | SW 13 | SW 13 |
| kJ | 32 | 16 | 12 | 10 | 2 | 8 | 14 | 48 | 94 | 39 | 28 | — | — | — | 1 | 3 | — | — | — | — | — | 17 | 44 | 7 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | SE 2 | ESE 3 | ESE 4 | ESE 3 | ESE 3 | SE 3 | SE 3 | SE 3 | SE 3 | E 3 | E 3 | E 3 | — | — | — | WNW 3 | WNW 4 | WNW 5 | NNW 4 | W 6 |
| kJ | — | — | — | — | 1 | 4 | 8 | 5 | 4 | 2 | 6 | 7 | 4 | 5 | 3 | 1 | — | — | — | 1 | 11 | 37 | 10 | 153 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 118 | 39 | 20 | 39 | 39 | 0 | 0 | 11 | 39 | 39 | 11 | 0 | 0 | 0 | 0 | 13 | 13 | 13 | 0 | 0 | 13 | 13 |
Best forecast wave conditions in Wanganui and the Manawatu | ||||||||||||||||||||||||
Best forecast wave conditions in New Zealand | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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