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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 Saturday 30 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
14.8° C
(Which is normal for this time of year)How big are the waves at Kai-Iwi today (30 May):
- Morning surf: Morning surf (30 May, local time) - 1.5ft (0.5m), 12s period with S swell.
- Afternoon surf: Afternoon surf (30 May, local time) - 1.5ft (0.4m), 12s period with SSW swell.
- Evening surf: Evening surf (30 May, local time) - 1.5ft (0.4m), 12s period with SSW swell.
The current surf forecast for Kai-Iwi at 11AM is: 0.5m 12s primary swell from a South direction and 0.2m 14s secondary swell from a West-southwest direction (forecast issued at 05:00am May 30). An open ocean swell of 0.2m 3s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 May) | 1.5ft (0.5m) | 12s |
| Afternoon (30 May) | 1.5ft (0.4m) | 12s |
| Evening (30 May) | 1.5ft (0.4m) | 12s |
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 6mm), mostly falling on Mon night. Warm (max 20°C on Mon afternoon, min 11°C on Sat morning). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 30 | Sunday 31 | Monday 1 | Tue 2 | |||||||||||||||||||||
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 13 | S 12 | S 12 | S 12 | SSW 12 | SSW 12 | SSW 12 | SSW 11 | S 11 | WSW 13 | WNW 9 | WNW 10 | W 10 | W 11 | W 11 | W 11 | W 11 | W 11 | WNW 10 | WNW 10 | W 11 | W 11 | W 10 | WNW 12 | |
85 | 80 | 76 | 75 | 48 | 47 | 46 | 25 | 21 | 17 | 17 | 33 | 55 | 82 | 85 | 86 | 116 | 112 | 121 | 82 | 89 | 116 | 108 | 81 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | off | cross-off | glassy | glassy | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | |
High Tide | 9:38AM2.53m | 9:59PM2.64m | 10:15AM2.56m | 10:33PM2.68m | 10:51AM2.58m | 11:07PM2.70m | ||||||||||||||||||
Low Tide | 3:34AM0.92m | 3:49PM0.84m | 4:10AM0.91m | 4:25PM0.84m | 4:45AM0.91m | 5:01PM0.86m | ||||||||||||||||||
 |  |  | | | | | | | | |  |  | |  | | | | | | | | | | |
 | — | 7:30 | — | — | — | — | — | — | — | 7:31 | — | — | — | — | — | — | — | 7:31 | — | — | — | — | — | 7:31 |
 | — | — | — | — | 5:04 | — | — | — | — | — | — | — | 5:04 | — | — | — | — | — | — | — | 5:02 | — | — | 5:02 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 10 | 10 | 11 | 16 | 17 | 14 | 13 | 13 | 13 | 14 | 16 | 18 | 19 | 18 | 18 | 17 | 18 | 18 | 18 | 19 | 20 | 19 | 19 | 19 |
8 | 8 | 9 | 14 | 16 | 13 | 10 | 10 | 10 | 11 | 14 | 14 | 16 | 15 | 14 | 13 | 14 | 14 | 14 | 16 | 18 | 17 | 16 | 16 | |
Swell 1 Height (m) Direction Period (s) | S 13 | S 12 | S 12 | S 12 | SSW 12 | SSW 12 | SSW 12 | SSW 11 | S 11 | S 11 | WNW 9 | WNW 10 | W 10 | W 11 | W 11 | W 11 | W 11 | W 11 | WNW 10 | WNW 10 | W 11 | W 11 | W 10 | WNW 12 |
 kJ | 85 | 80 | 76 | 75 | 48 | 47 | 46 | 25 | 21 | 9 | 17 | 33 | 55 | 82 | 85 | 86 | 116 | 112 | 121 | 82 | 89 | 116 | 108 | 81 |
Swell 2 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WNW 8 | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 9 | S 9 | S 9 | S 9 | — | W 11 | W 10 |
| kJ | 33 | 32 | 31 | 18 | 35 | 17 | 17 | 17 | 17 | 7 | 9 | 9 | 8 | 8 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | — | 57 | 51 |
Swell 3 Height (m) Direction Period (s) | WSW 8 | WSW 8 | W 8 | W 9 | SW 13 | — | NW 5 | NW 6 | NW 7 | WSW 13 | SW 13 | NW 4 | — | S 10 | S 10 | S 13 | S 14 | S 15 | S 14 | — | S 14 | — | — | S 14 |
| kJ | 7 | 7 | 6 | 6 | 7 | — | 1 | 2 | 2 | 17 | 6 | 1 | — | 2 | 2 | 4 | 4 | 4 | 4 | — | 4 | — | — | 4 |
Wind waves Height (m) Direction Period (s) | — | — | — | NNW 3 | — | — | — | NNW 3 | NNW 3 | NNW 4 | NNW 4 | N 2 | NNW 3 | NNW 3 | NNW 4 | NNW 4 | NNW 4 | NNW 4 | — | — | N 3 | N 3 | N 2 | N 3 |
| kJ | — | — | — | 1 | — | — | — | 2 | 4 | 3 | 3 | 1 | 6 | 7 | 10 | 24 | 28 | 9 | — | — | 3 | 1 | 2 | 5 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 18 | 91 | 91 | 91 | 91 | 18 | 18 | 18 | 0 | 0 | 0 | 0 | 0 | 61 | 0 | 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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