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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 pm Sunday 10 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
16.1° 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 1AM is: 2.0m 9s primary swell from a West-southwest direction and 0.3m 14s secondary swell from a South-southwest direction, 1.7m 6s secondary swell from a South direction (forecast issued at 05:00pm May 10). The wind direction is predicted to be cross-shore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 May) | 3.5ft (1.1m) | 11s |
| Afternoon (11 May) | 4ft (1.2m) | 13s |
| Evening (11 May) | 3.5ft (1.0m) | 12s |
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 16°C on Sun afternoon, min 8°C on Mon night). Winds decreasing (fresh winds from the W on Sun afternoon, light winds from the NNE by Mon night). | ||||||||||||||||||||||||
Sun 10 | Monday 11 | Tuesday 12 | Wed 13 | |||||||||||||||||||||
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 | 9 AM | 12 PM | |
Swell Height Map |  |    |    |    | ||||||||||||||||||||
W 9 | WSW 9 | WSW 9 | WSW 9 | WSW 10 | WSW 10 | WSW 11 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | S 12 | S 12 | S 12 | S 12 | W 6 | WSW 6 | S 15 | S 14 | S 14 | S 14 | S 13 | |
2532 | 1872 | 1119 | 669 | 426 | 400 | 292 | 461 | 454 | 367 | 297 | 267 | 267 | 113 | 77 | 75 | 72 | 78 | 66 | 161 | 142 | 144 | 181 | 168 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross-on | on | cross-on | cross | cross | cross-off | cross | cross | cross | cross-off | off | cross-off | cross-off | cross-off | cross | cross | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross | |
High Tide | 4:39PM2.19m | 5:04AM2.31m | 5:39PM2.23m | 6:01AM2.36m | 6:38PM2.31m | 6:55AM2.46m | ||||||||||||||||||
Low Tide | 10:47PM1.20m | 11:26AM1.13m | 11:50PM1.13m | 12:26PM1.02m | 00:50AM1.02m | |||||||||||||||||||
 |  | |  | | |  | | | | | | | | | | |  | | | | | | | |
 | — | — | — | — | — | 7:13 | — | — | — | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:16 | — | — |
 | 5:19 | — | — | — | — | — | — | — | 5:17 | — | — | — | — | — | — | — | 5:16 | — | — | — | — | — | — | 5:15 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 16 | 15 | 13 | 11 | 10 | 9 | 10 | 12 | 13 | 11 | 9 | 8 | 8 | 8 | 10 | 15 | 14 | 13 | 12 | 11 | 9 | 9 | 10 | 14 |
10 | 10 | 9 | 7 | 6 | 4 | 6 | 8 | 9 | 7 | 6 | 5 | 5 | 5 | 7 | 12 | 11 | 11 | 10 | 9 | 6 | 6 | 7 | 10 | |
Swell 1 Height (m) Direction Period (s) | SSW 15 | SSW 14 | WSW 9 | WSW 9 | S 7 | S 7 | S 8 | S 8 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | W 9 | W 9 | W 9 | W 8 | W 6 | WSW 6 | WSW 6 | W 6 | S 14 | S 14 | S 13 |
 kJ | 21 | 70 | 1119 | 669 | 255 | 233 | 233 | 169 | 454 | 367 | 297 | 267 | 267 | 76 | 55 | 54 | 45 | 78 | 66 | 56 | 31 | 144 | 181 | 168 |
Swell 2 Height (m) Direction Period (s) | — | — | SSW 14 | SSW 14 | WSW 10 | WSW 10 | WSW 11 | WSW 13 | SSW 8 | S 12 | S 12 | S 12 | S 13 | S 12 | S 12 | S 12 | S 12 | S 12 | SSW 11 | S 15 | S 14 | W 7 | W 8 | W 8 |
| kJ | — | — | 67 | 38 | 426 | 400 | 292 | 461 | 94 | 309 | 247 | 199 | 156 | 113 | 77 | 75 | 72 | 69 | 42 | 161 | 142 | 26 | 29 | 32 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | SSW 14 | S 13 | S 13 | S 12 | S 12 | W 13 | W 13 | SW 13 | SW 12 | WSW 12 | SW 12 | SW 12 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | WSW 24 | WSW 14 |
| kJ | — | — | — | — | 62 | 92 | 119 | 151 | 190 | 85 | 86 | 43 | 40 | 101 | 75 | 74 | 40 | 40 | 40 | 39 | 24 | 25 | 54 | 20 |
Wind waves Height (m) Direction Period (s) | W 9 | WSW 9 | S 5 | S 6 | — | — | — | — | SE 3 | ESE 3 | ESE 3 | E 3 | — | — | NW 2 | WNW 4 | W 6 | — | — | — | SE 3 | ESE 3 | ESE 3 | SSE 5 |
| kJ | 2532 | 1872 | 43 | 193 | — | — | — | — | 5 | 4 | 2 | 1 | — | — | 2 | 10 | 39 | — | — | — | 4 | 3 | 4 | 13 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 150 | 104 | 61 | 61 | 39 | 61 | 0 | 11 | 11 | 11 | 0 | 0 | 0 | 0 | 0 | 118 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 118 |
Best forecast wave conditions in Wanganui and the Manawatu | ||||||||||||||||||||||||
Best forecast wave conditions in New Zealand | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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