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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 Thursday 28 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
15.1° C
(Which is normal for this time of year)How big are the waves at Kai-Iwi today (28 May):
- Morning surf: Morning surf (28 May, local time) - 2ft (0.6m), 14s period with S swell.
- Afternoon surf: Afternoon surf (28 May, local time) - 2.5ft (0.7m), 14s period with S swell.
- Evening surf: Evening surf (28 May, local time) - 2.5ft (0.8m), 14s period with S swell.
The current surf forecast for Kai-Iwi at 9AM is: 0.6m 14s primary swell from a South direction and 0.3m 14s secondary swell from a Southwest direction, 1.3m 6s secondary swell from a West direction (forecast issued at 05:00am May 28). The wind direction is predicted to be cross-offshore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 May) | 2ft (0.6m) | 14s |
| Afternoon (28 May) | 2.5ft (0.7m) | 14s |
| Evening (28 May) | 2.5ft (0.8m) | 14s |
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 Sat afternoon, min 10°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 28 | Friday 29 | Saturday 30 | Sun 31 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
S 14 | W 6 | S 14 | S 13 | S 14 | S 14 | S 14 | S 13 | S 16 | S 15 | S 15 | S 14 | S 14 | S 14 | S 14 | S 13 | S 13 | S 12 | S 12 | SW 14 | SSW 12 | SSW 12 | SSW 12 | SSW 11 | |
136 | 170 | 132 | 176 | 181 | 192 | 253 | 168 | 310 | 291 | 212 | 203 | 200 | 140 | 132 | 126 | 85 | 80 | 76 | 49 | 48 | 47 | 45 | 25 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross | cross | cross-off | cross-off | off | off | off | off | cross | cross-on | cross-on | cross-off | off | off | off | off | cross-off | glassy | glassy | off | off | |
High Tide | 8:15AM2.44m | 8:45PM2.50m | 8:59AM2.49m | 9:24PM2.58m | 9:38AM2.53m | 9:59PM2.64m | ||||||||||||||||||
Low Tide | 2:11AM1.01m | 2:30PM0.91m | 2:55AM0.96m | 3:11PM0.86m | 3:34AM0.92m | 3:49PM0.84m | ||||||||||||||||||
 |  |  |  | |  | | | | | | | | | | | | | | | | | | | |
 | — | 7:28 | — | — | — | — | — | — | — | 7:28 | — | — | — | — | — | — | — | 7:30 | — | — | — | — | — | 7:31 |
 | — | — | — | — | 5:05 | — | — | — | — | — | — | — | 5:05 | — | — | — | — | — | — | — | 5:04 | — | — | 5:04 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 11 | 12 | 13 | 15 | 15 | 13 | 12 | 11 | 11 | 10 | 11 | 14 | 15 | 13 | 12 | 11 | 10 | 10 | 11 | 15 | 16 | 15 | 13 | 12 |
7 | 9 | 10 | 12 | 13 | 12 | 11 | 10 | 10 | 8 | 9 | 12 | 13 | 11 | 10 | 9 | 8 | 8 | 9 | 13 | 15 | 14 | 11 | 10 | |
Swell 1 Height (m) Direction Period (s) | S 14 | S 14 | S 14 | S 13 | WSW 6 | W 6 | S 14 | S 13 | S 16 | S 15 | S 15 | S 14 | S 14 | S 14 | S 14 | S 13 | S 13 | S 12 | S 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 11 |
 kJ | 136 | 134 | 132 | 176 | 64 | 36 | 253 | 168 | 310 | 291 | 212 | 203 | 200 | 140 | 132 | 126 | 85 | 80 | 76 | 49 | 48 | 47 | 45 | 25 |
Swell 2 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 14 | SW 14 | S 14 | S 14 | W 6 | W 6 | W 6 | W 6 | W 6 | WSW 6 | SW 16 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | WSW 13 | WSW 13 | WSW 13 |
| kJ | 33 | 33 | 33 | 33 | 181 | 192 | 24 | 25 | 28 | 19 | 18 | 10 | 63 | 37 | 34 | 33 | 33 | 32 | 31 | 46 | 28 | 34 | 17 | 17 |
Swell 3 Height (m) Direction Period (s) | W 10 | — | SW 15 | W 14 | SW 14 | SW 14 | SW 14 | S 17 | SW 14 | SW 14 | WSW 14 | WSW 16 | WSW 6 | W 5 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | SW 14 | — | — | — | NW 4 | — |
| kJ | 2 | — | 8 | 16 | 30 | 29 | 29 | 142 | 29 | 29 | 18 | 24 | 6 | 2 | 7 | 7 | 7 | 7 | 8 | — | — | — | 1 | — |
Wind waves Height (m) Direction Period (s) | W 5 | W 6 | W 6 | W 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 8 | — | — | — | — | — |
| kJ | 83 | 170 | 128 | 97 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 6 | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 13 | 118 | 13 | 13 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 96 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 18 | 91 |
Best forecast wave conditions in Wanganui and the Manawatu | ||||||||||||||||||||||||
Best forecast wave conditions in New Zealand | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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