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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 09 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
16.2° 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 7PM is: 2.5m 11s primary swell from a West direction and 0.4m 16s secondary swell from a West-southwest direction, 0.1m 13s secondary swell from a South direction (forecast issued at 11:00am May 09). The wind direction is predicted to be cross-shore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 May) | 8ft (2.4m) | 11s |
| Afternoon (09 May) | 8ft (2.5m) | 11s |
| Evening (09 May) | 10ft (3.0m) | 11s |
Table - waves today at Kai-Iwi. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Sat afternoon. Very mild (max 17°C on Sat morning, min 8°C on Mon night). Winds decreasing (fresh winds from the WNW on Sun morning, light winds from the ENE by Mon night). | ||||||||||||||||||||||||
Sat 9 | Sunday 10 | Monday 11 | Tue 12 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
WNW 11 | W 11 | W 11 | W 11 | W 11 | W 12 | W 8 | W 9 | W 9 | W 9 | W 10 | WSW 9 | WSW 9 | WSW 9 | WSW 10 | WSW 10 | WSW 10 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | S 12 | |
1314 | 1830 | 1520 | 1489 | 1762 | 2222 | 1148 | 1689 | 1667 | 2130 | 2254 | 1889 | 1316 | 705 | 426 | 348 | 270 | 461 | 384 | 367 | 267 | 263 | 213 | 106 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross | cross | cross-off | cross-off | cross | cross | cross | cross | cross | cross-on | on | cross | cross-off | cross | cross-off | cross | cross | cross | cross-off | off | cross-off | cross-off | |
High Tide | 3:36PM2.21m | 4:01AM2.29m | 4:39PM2.19m | 5:04AM2.31m | 5:39PM2.23m | |||||||||||||||||||
Low Tide | 9:24AM1.22m | 9:43PM1.21m | 10:24AM1.20m | 10:47PM1.20m | 11:26AM1.13m | 11:50PM1.13m | ||||||||||||||||||
 | |  |  |  | |  | | | | | | | | | |  | | | | | | | | |
 | 7:11 | — | — | — | — | — | — | 7:13 | — | — | — | — | — | — | — | 7:13 | — | — | — | — | — | — | — | 7:15 |
 | — | — | 5:20 | — | — | — | — | — | — | — | 5:19 | — | — | — | — | — | — | — | 5:17 | — | — | — | — | 5:16 |
— | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 16 | 17 | 15 | 14 | 14 | 14 | 14 | 14 | 15 | 16 | 15 | 15 | 13 | 10 | 9 | 9 | 10 | 12 | 13 | 11 | 9 | 8 | 8 | 8 |
12 | 12 | 11 | 9 | 9 | 9 | 8 | 8 | 9 | 9 | 9 | 11 | 8 | 6 | 5 | 4 | 6 | 8 | 9 | 8 | 6 | 5 | 5 | 5 | |
Swell 1 Height (m) Direction Period (s) | S 14 | — | SW 16 | WSW 16 | S 14 | S 16 | S 16 | — | S 15 | SW 15 | SSW 15 | SSW 14 | WSW 9 | WSW 9 | WSW 10 | WSW 10 | WSW 10 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | W 9 |
 kJ | 4 | — | 69 | 100 | 4 | 5 | 5 | — | 4 | 59 | 21 | 70 | 1316 | 705 | 426 | 348 | 270 | 461 | 384 | 367 | 267 | 263 | 213 | 55 |
Swell 2 Height (m) Direction Period (s) | — | — | — | S 13 | — | — | — | — | — | — | SSW 15 | SSW 14 | SSW 14 | SSW 14 | S 14 | SSW 7 | S 7 | S 7 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 |
| kJ | — | — | — | 3 | — | — | — | — | — | — | 42 | 40 | 36 | 64 | 93 | 171 | 134 | 112 | 144 | 299 | 193 | 193 | 146 | 106 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | S 8 | — | — | — | SSW 13 | SSW 13 | S 13 | S 12 | SSW 12 | WSW 13 | — | SW 12 | SW 12 | SW 12 |
| kJ | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | 60 | 57 | 163 | 151 | 83 | 56 | — | 39 | 24 | 73 |
Wind waves Height (m) Direction Period (s) | WNW 11 | W 11 | W 11 | W 11 | W 11 | W 12 | W 8 | W 9 | W 9 | W 9 | W 10 | WSW 9 | — | S 5 | S 6 | ESE 3 | ESE 3 | ESE 3 | S 7 | SE 3 | ESE 3 | E 3 | — | — |
| kJ | 1314 | 1830 | 1520 | 1489 | 1762 | 2222 | 1148 | 1689 | 1667 | 2130 | 2254 | 1889 | — | 114 | 182 | 8 | 4 | 4 | 82 | 2 | 2 | 1 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 13 | 150 | 157 | 156 | 165 | 157 | 157 | 150 | 155 | 150 | 131 | 104 | 61 | 11 | 0 | 39 | 0 | 11 | 11 | 11 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Wanganui and the Manawatu | ||||||||||||||||||||||||
Best forecast wave conditions in New Zealand | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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