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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 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
16.1° 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 6AM is: 3.5m 8s primary swell from a West direction and 0.1m 15s secondary swell from a South direction (forecast issued at 11:00pm May 09). The wind direction is predicted to be cross-shore and the swell rating is 11.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 May) | 10ft (3.0m) | 9s |
| Afternoon (10 May) | 11ft (3.5m) | 9s |
| Evening (10 May) | 8ft (2.5m) | 9s |
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 morning, min 7°C on Mon night). Winds decreasing (fresh winds from the WNW on Sun morning, calm by Tue afternoon). | ||||||||||||||||||||||||
Sunday 10 | Monday 11 | Tuesday 12 | ||||||||||||||||||||||
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 |  |    |    |    | ||||||||||||||||||||
W 11 | W 12 | W 8 | W 8 | W 9 | W 9 | 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 | W 6 | W 6 | |
1639 | 2222 | 1148 | 1519 | 1604 | 1903 | 2330 | 1957 | 1175 | 721 | 442 | 363 | 245 | 461 | 384 | 367 | 271 | 267 | 263 | 110 | 75 | 75 | 127 | 94 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross | cross | cross | cross | cross-on | on | cross-on | cross | cross | cross | cross | cross-on | cross | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross | glassy | |
High Tide | 4:01AM2.29m | 4:39PM2.19m | 5:04AM2.31m | 5:39PM2.23m | 6:01AM2.36m | |||||||||||||||||||
Low Tide | 9:43PM1.21m | 10:24AM1.20m | 10:47PM1.20m | 11:26AM1.13m | 11:50PM1.13m | 12:26PM1.02m | ||||||||||||||||||
 |  | | |  | | | | |  | | |  | | | | | | | | | | | | |
 | — | — | — | 7:13 | — | — | — | — | — | — | — | 7:13 | — | — | — | — | — | — | — | 7:15 | — | — | — | — |
 | — | — | — | — | — | — | 5:19 | — | — | — | — | — | — | — | 5:17 | — | — | — | — | — | — | — | 5:16 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 14 | 14 | 14 | 14 | 15 | 16 | 16 | 15 | 13 | 11 | 9 | 9 | 10 | 12 | 13 | 11 | 9 | 8 | 7 | 7 | 10 | 14 | 15 | 14 |
9 | 9 | 9 | 8 | 9 | 9 | 10 | 10 | 9 | 6 | 5 | 4 | 6 | 8 | 10 | 8 | 6 | 5 | 4 | 3 | 6 | 10 | 11 | 13 | |
Swell 1 Height (m) Direction Period (s) | S 14 | S 16 | S 16 | S 15 | SW 16 | S 15 | SSW 15 | SSW 14 | WSW 9 | WSW 9 | S 7 | S 7 | S 8 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | W 9 | W 9 | W 8 | W 6 | W 6 |
 kJ | 4 | 5 | 5 | 5 | 64 | 4 | 21 | 70 | 1175 | 721 | 236 | 246 | 181 | 461 | 384 | 367 | 271 | 267 | 263 | 74 | 55 | 51 | 91 | 94 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | S 15 | S 15 | S 8 | — | SSW 14 | SSW 14 | WSW 10 | WSW 10 | WSW 11 | S 8 | S 7 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | SSW 12 | SSW 11 |
| kJ | — | — | — | — | 4 | 4 | 1 | — | 67 | 38 | 442 | 363 | 245 | 118 | 68 | 295 | 247 | 151 | 110 | 110 | 75 | 72 | 46 | 41 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | SSW 14 | S 13 | S 13 | SSW 12 | S 12 | W 13 | W 13 | SW 13 | SW 12 | WSW 12 | SW 12 | SW 12 | SW 12 | SW 13 |
| kJ | — | — | — | — | — | — | — | — | — | — | 65 | 130 | 206 | 202 | 187 | 85 | 86 | 42 | 38 | 101 | 75 | 75 | 40 | 40 |
Wind waves Height (m) Direction Period (s) | W 11 | W 12 | W 8 | W 8 | W 9 | W 9 | W 9 | WSW 9 | — | S 6 | — | — | ESE 3 | ESE 3 | — | — | — | — | — | NW 2 | NW 3 | W 5 | W 6 | — |
| kJ | 1639 | 2222 | 1148 | 1519 | 1604 | 1903 | 2330 | 1957 | — | 139 | — | — | 4 | 3 | — | — | — | — | — | 1 | 5 | 32 | 127 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 165 | 160 | 157 | 152 | 155 | 155 | 131 | 104 | 61 | 61 | 20 | 39 | 11 | 11 | 11 | 11 | 0 | 0 | 0 | 0 | 0 | 118 | 133 | 0 |
Best forecast wave conditions in Wanganui and the Manawatu | ||||||||||||||||||||||||
Best forecast wave conditions in New Zealand | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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