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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 pm Friday 22 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 8AM is: 0.6m 10s primary swell from a West-southwest direction and 0.3m 15s secondary swell from a Southwest direction (forecast issued at 11:00pm May 22). An open ocean swell of 0.3m 3s is not directed at the surf break. The wind direction is predicted to be offshore.
| 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 10°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 23 | Sunday 24 | Monday 25 | ||||||||||||||||||||||
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 | 9 AM | 12 PM | 3 PM | 6 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | SW 14 | SW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | SW 13 | SW 19 | WSW 18 | SW 17 | WSW 17 | WSW 16 | WSW 16 | WSW 16 | WSW 15 | SW 14 | SW 14 | SW 14 | S 13 | |
136 | 131 | 98 | 100 | 77 | 53 | 51 | 139 | 98 | 96 | 65 | 48 | 94 | 124 | 147 | 190 | 171 | 166 | 164 | 148 | 103 | 103 | 100 | 92 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | off | glassy | glassy | cross-on | cross-on | cross | cross | cross | cross-off | cross-off | cross | cross-on | cross | cross-off | cross-off | glassy | off | glassy | cross | cross-on | cross-off | |
High Tide | 3:20AM2.54m | 3:55PM2.38m | 4:25AM2.46m | 4:57PM2.33m | 5:30AM2.41m | |||||||||||||||||||
Low Tide | 8:58PM1.01m | 9:42AM1.02m | 10:02PM1.09m | 10:44AM1.07m | 11:08PM1.13m | 11:48AM1.07m | ||||||||||||||||||
 | |  | |  | | | | | | | |  | | |  | | | | | | | | | |
 | — | — | — | 7:24 | — | — | — | — | — | — | — | 7:24 | — | — | — | — | — | — | — | 7:26 | — | — | — | — |
 | — | — | — | — | — | — | 5:07 | — | — | — | — | — | — | — | 5:07 | — | — | — | — | — | — | — | 5:07 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 13 | 12 | 12 | 12 | 12 | 16 | 16 | 13 | 12 | 11 | 10 | 10 | 11 | 15 | 17 | 14 | 12 | 11 | 10 | 10 | 11 | 15 | 15 | 13 |
12 | 10 | 10 | 11 | 10 | 15 | 13 | 11 | 9 | 7 | 6 | 7 | 8 | 12 | 14 | 11 | 10 | 9 | 8 | 8 | 9 | 13 | 13 | 11 | |
Swell 1 Height (m) Direction Period (s) | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | W 10 | W 10 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | SW 13 | SW 12 | WSW 18 | SW 17 | WSW 17 | WSW 16 | WSW 16 | WSW 16 | WSW 15 | SW 14 | SW 14 | SW 14 | S 13 |
 kJ | 136 | 131 | 98 | 100 | 77 | 50 | 47 | 139 | 98 | 96 | 65 | 42 | 39 | 124 | 147 | 190 | 171 | 166 | 164 | 148 | 103 | 102 | 100 | 92 |
Swell 2 Height (m) Direction Period (s) | SSW 4 | S 9 | S 8 | S 8 | SW 15 | SW 14 | SW 14 | S 12 | S 12 | SSW 5 | SSW 4 | SSW 5 | SW 19 | SSW 14 | SSW 14 | SSW 14 | SSW 15 | S 16 | S 16 | SSW 16 | SSW 15 | S 14 | S 14 | WSW 14 |
| kJ | 2 | 6 | 6 | 5 | 35 | 53 | 51 | 11 | 11 | 5 | 7 | 7 | 94 | 69 | 64 | 37 | 47 | 126 | 122 | 82 | 75 | 103 | 97 | 77 |
Swell 3 Height (m) Direction Period (s) | S 9 | S 5 | S 13 | S 13 | SSW 13 | SSW 13 | S 12 | SSW 10 | SSW 5 | S 10 | S 13 | SSW 16 | SSW 15 | SW 12 | WSW 12 | — | — | — | — | S 4 | — | — | — | — |
| kJ | 2 | 2 | 3 | 13 | 32 | 16 | 12 | 10 | 2 | 8 | 14 | 48 | 44 | 39 | 28 | — | — | — | — | 1 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | NW 3 | — | — | — | — | SE 2 | SE 3 | ESE 4 | ESE 4 | ESE 3 | ESE 3 | SE 3 | SE 3 | SE 3 | E 3 | E 3 | E 3 | — | — | — | WNW 2 |
| kJ | — | — | — | 1 | — | — | — | — | 1 | 4 | 11 | 7 | 7 | 5 | 5 | 5 | 3 | 5 | 1 | 1 | — | — | — | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 118 | 39 | 39 | 118 | 39 | 39 | 0 | 11 | 11 | 11 | 0 | 0 | 0 | 0 | 0 | 13 | 13 | 0 |
Best forecast wave conditions in Wanganui and the Manawatu | ||||||||||||||||||||||||
Best forecast wave conditions in New Zealand | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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