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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 Monday 11 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 3PM is: 1.2m 13s primary swell from a West-southwest direction and 0.9m 7s secondary swell from a South direction (forecast issued at 11:00am May 11). The wind direction is predicted to be cross-shore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 May) | 3.5ft (1.1m) | 10s |
| 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 15°C on Tue afternoon, min 8°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Mon 11 | Tuesday 12 | Wednesday 13 | Thu 14 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
WSW 10 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | S 12 | W 9 | W 9 | W 8 | W 8 | W 8 | S 14 | S 14 | S 14 | S 14 | S 13 | SW 21 | S 12 | S 12 | SW 19 | S 13 | SSW 13 | |
281 | 538 | 454 | 368 | 329 | 267 | 263 | 112 | 76 | 93 | 111 | 82 | 78 | 150 | 136 | 138 | 136 | 126 | 119 | 146 | 141 | 112 | 334 | 212 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | glassy | glassy | cross-off | cross-off | cross-off | cross | cross-on | cross-on | cross | cross-off | cross-off | glassy | cross-off | |
High Tide | 5:39PM2.23m | 6:01AM2.36m | 6:38PM2.31m | 6:55AM2.46m | 7:35PM2.43m | |||||||||||||||||||
Low Tide | 11:26AM1.13m | 11:50PM1.13m | 12:26PM1.02m | 00:50AM1.02m | 1:21PM0.88m | 1:45AM0.89m | ||||||||||||||||||
 |  | |  | | | | | | | | | | | | | | | | | | | | | |
 | 7:13 | — | — | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:16 | — | — | — | — | — | — | — | 7:16 |
 | — | — | 5:17 | — | — | — | — | — | — | — | 5:16 | — | — | — | — | — | — | — | 5:15 | — | — | — | — | 5:15 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 10 | 13 | 14 | 11 | 9 | 8 | 8 | 8 | 10 | 14 | 15 | 14 | 12 | 11 | 9 | 9 | 10 | 13 | 14 | 12 | 11 | 10 | 10 | 9 |
6 | 8 | 10 | 7 | 6 | 5 | 5 | 5 | 7 | 11 | 12 | 13 | 11 | 9 | 6 | 6 | 7 | 9 | 11 | 10 | 8 | 8 | 8 | 7 | |
Swell 1 Height (m) Direction Period (s) | S 7 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | W 9 | W 9 | S 12 | S 12 | W 8 | W 8 | W 7 | W 7 | S 14 | S 14 | S 13 | S 13 | S 6 | S 7 | SSW 8 | S 13 | SSW 13 |
 kJ | 155 | 538 | 454 | 361 | 329 | 267 | 263 | 76 | 74 | 73 | 72 | 82 | 72 | 45 | 34 | 138 | 136 | 126 | 119 | 84 | 100 | 79 | 334 | 212 |
Swell 2 Height (m) Direction Period (s) | WSW 10 | S 7 | S 7 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | SW 12 | SW 12 | S 12 | SSW 11 | S 14 | S 14 | W 7 | W 8 | W 8 | W 8 | S 12 | S 12 | S 12 | SW 18 | SW 18 |
| kJ | 281 | 134 | 88 | 368 | 251 | 199 | 153 | 112 | 76 | 74 | 39 | 70 | 43 | 150 | 136 | 27 | 29 | 33 | 36 | 146 | 141 | 112 | 82 | 79 |
Swell 3 Height (m) Direction Period (s) | S 13 | SSW 12 | S 12 | W 13 | W 13 | W 13 | SW 12 | WSW 12 | SW 12 | SW 12 | S 17 | SW 13 | SSW 15 | SW 12 | SW 12 | WSW 12 | SW 14 | WSW 14 | SW 21 | WSW 8 | WSW 8 | SW 19 | WSW 8 | WSW 8 |
| kJ | 161 | 205 | 193 | 85 | 86 | 84 | 40 | 101 | 74 | 24 | 6 | 40 | 78 | 39 | 39 | 14 | 31 | 20 | 117 | 24 | 24 | 94 | 14 | 14 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | NW 2 | W 9 | W 8 | — | — | — | — | SE 2 | ESE 2 | ESE 2 | S 6 | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | 1 | 93 | 111 | — | — | — | — | 1 | 1 | 1 | 29 | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 20 | 11 | 11 | 0 | 0 | 0 | 0 | 0 | 13 | 13 | 0 | 0 | 0 | 0 | 0 | 7 | 23 | 61 | 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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