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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 5 am Friday 08 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
16.0° 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 1PM is: 0.9m 9s primary swell from a West direction and 0.1m 15s secondary swell from a Southwest direction (forecast issued at 05:00am May 08). An open ocean swell of 0.6m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (08 May) | 3.5ft (1.0m) | 9s |
| Afternoon (08 May) | 2.5ft (0.8m) | 9s |
| Evening (08 May) | 3ft (0.9m) | 10s |
Table - waves today at Kai-Iwi. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 4mm), mostly falling on Fri night. Warm (max 20°C on Fri morning, min 8°C on Sun night). Mainly strong winds. | ||||||||||||||||||||||||
Friday 8 | Saturday 9 | Sunday 10 | Mon 11 | |||||||||||||||||||||
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 | 9 PM | 12 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
WNW 9 | WNW 9 | W 9 | WNW 9 | W 9 | WNW 10 | W 10 | WNW 11 | WNW 11 | WNW 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 12 | W 8 | W 9 | W 9 | W 9 | W 9 | W 9 | WSW 9 | WSW 10 | |
80 | 106 | 165 | 138 | 110 | 120 | 161 | 917 | 808 | 850 | 1191 | 1326 | 1386 | 1606 | 2061 | 2546 | 1536 | 1793 | 1569 | 2510 | 2353 | 2656 | 2296 | 1218 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | off | cross-off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-off | cross | cross | cross | cross | cross | cross | cross | cross-on | cross-on | |
High Tide | 2:01AM2.42m | 2:34PM2.27m | 2:57AM2.34m | 3:36PM2.21m | 4:01AM2.29m | 4:39PM2.19m | ||||||||||||||||||
Low Tide | 8:26AM1.19m | 8:43PM1.18m | 9:24AM1.22m | 9:43PM1.21m | 10:24AM1.20m | 10:47PM1.20m | ||||||||||||||||||
 |  |  | | | |  |  |  | |  | | | | | | | | | | | | | | |
 | — | 7:11 | — | — | — | — | — | — | — | 7:11 | — | — | — | — | — | — | — | 7:13 | — | — | — | — | — | 7:13 |
 | — | — | — | — | 5:21 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:19 | — | — | 5:17 |
— | — | — | — | — | — | 1 | 2 | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 17 | 17 | 17 | 20 | 20 | 19 | 17 | 17 | 16 | 15 | 16 | 18 | 16 | 14 | 13 | 13 | 14 | 14 | 15 | 16 | 15 | 14 | 14 | 11 |
14 | 14 | 14 | 17 | 17 | 15 | 11 | 13 | 11 | 11 | 12 | 13 | 11 | 10 | 8 | 8 | 8 | 8 | 9 | 9 | 7 | 6 | 8 | 4 | |
Swell 1 Height (m) Direction Period (s) | WNW 9 | WNW 9 | W 9 | WNW 9 | W 9 | WNW 10 | W 10 | WSW 12 | SW 19 | SW 19 | S 14 | S 13 | SW 16 | WSW 16 | WSW 11 | WSW 11 | S 15 | — | SW 16 | — | S 15 | SSW 14 | SSW 14 | WSW 10 |
 kJ | 80 | 106 | 165 | 138 | 110 | 120 | 161 | 224 | 14 | 15 | 4 | 4 | 69 | 100 | 1167 | 483 | 5 | — | 64 | — | 17 | 69 | 67 | 1218 |
Swell 2 Height (m) Direction Period (s) | SW 15 | SW 15 | SW 15 | SW 15 | WNW 5 | SW 14 | SW 18 | — | S 14 | S 14 | — | — | SW 17 | — | — | — | — | — | S 15 | — | S 9 | S 10 | — | SSW 14 |
| kJ | 9 | 9 | 9 | 8 | 5 | 8 | 13 | — | 4 | 4 | — | — | 43 | — | — | — | — | — | 4 | — | 2 | 2 | — | 20 |
Swell 3 Height (m) Direction Period (s) | S 14 | S 14 | S 14 | S 14 | SW 15 | SW 18 | S 14 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 4 | 4 | 4 | 4 | 8 | 13 | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NW 4 | NW 4 | N 3 | NNW 4 | NNW 4 | NNW 4 | NNW 4 | WNW 11 | WNW 11 | WNW 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 12 | W 8 | W 9 | W 9 | W 9 | W 9 | W 9 | WSW 9 | S 5 |
| kJ | 16 | 14 | 6 | 10 | 11 | 20 | 35 | 917 | 808 | 850 | 1191 | 1326 | 1386 | 1606 | 2061 | 2546 | 1536 | 1793 | 1569 | 2510 | 2353 | 2656 | 2296 | 73 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 13 | 13 | 0 | 13 | 0 | 0 | 186 | 286 | 150 | 13 | 13 | 150 | 150 | 157 | 160 | 157 | 160 | 150 | 155 | 150 | 155 | 176 | 176 | 272 |
Best forecast wave conditions in Wanganui and the Manawatu | ||||||||||||||||||||||||
Best forecast wave conditions in New Zealand | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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