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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 Friday 15 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
15.5° 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 4PM is: 0.4m 14s primary swell from a South-southwest direction and 0.3m 9s secondary swell from a South direction, 0.3m 4s secondary swell from a South direction (forecast issued at 11:00am May 15). The wind direction is predicted to be cross-onshore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 May) | 1.5ft (0.4m) | 14s |
| Afternoon (15 May) | 1.5ft (0.4m) | 14s |
| Evening (15 May) | 1.5ft (0.4m) | 13s |
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 14°C on Sun afternoon, min 7°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Fri 15 | Saturday 16 | Sunday 17 | Mon 18 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
SW 14 | SW 14 | SSW 14 | SSW 14 | SSW 13 | SW 13 | SSW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 20 | SW 19 | SW 18 | WSW 18 | SW 18 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 14 | |
53 | 52 | 69 | 65 | 60 | 44 | 55 | 50 | 47 | 45 | 43 | 97 | 96 | 84 | 123 | 152 | 147 | 130 | 125 | 124 | 122 | 115 | 54 | 53 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross | cross | cross-on | cross | cross | cross | cross | cross-off | cross-off | cross | cross | cross | cross | cross-off | cross-off | cross-off | |
High Tide | 8:38AM2.68m | 9:14PM2.73m | 9:28AM2.77m | 10:00PM2.84m | 10:17AM2.82m | 10:46PM2.91m | ||||||||||||||||||
Low Tide | 3:00PM0.63m | 3:25AM0.65m | 3:47PM0.55m | 4:12AM0.59m | 4:34PM0.53m | 5:00AM0.59m | ||||||||||||||||||
 | | |  | | | | | | | | | | | | | | | | | | | | | |
 | 7:16 | — | — | — | — | — | — | 7:18 | — | — | — | — | — | — | — | 7:18 | — | — | — | — | — | — | — | 7:20 |
 | — | — | 5:15 | — | — | — | — | — | — | — | 5:14 | — | — | — | — | — | — | — | 5:13 | — | — | — | — | 5:12 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 9 | 12 | 12 | 11 | 10 | 9 | 8 | 7 | 7 | 11 | 12 | 9 | 9 | 9 | 8 | 8 | 8 | 13 | 14 | 12 | 9 | 9 | 8 | 7 |
7 | 9 | 9 | 9 | 8 | 6 | 5 | 4 | 3 | 7 | 8 | 4 | 4 | 5 | 5 | 5 | 5 | 9 | 10 | 8 | 5 | 6 | 5 | 4 | |
Swell 1 Height (m) Direction Period (s) | SSW 9 | SSW 15 | SSW 14 | SSW 14 | S 5 | SSW 5 | S 5 | S 5 | S 5 | SSW 12 | SSW 11 | SSW 11 | S 5 | S 5 | SSW 5 | SW 18 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 14 |
 kJ | 26 | 42 | 69 | 65 | 13 | 21 | 20 | 13 | 13 | 45 | 24 | 23 | 11 | 11 | 7 | 152 | 147 | 130 | 125 | 124 | 122 | 115 | 54 | 53 |
Swell 2 Height (m) Direction Period (s) | SW 14 | S 9 | S 9 | S 9 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SW 13 | SW 13 | SW 20 | SW 19 | SW 18 | WSW 18 | SSW 4 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 9 | S 9 |
| kJ | 53 | 14 | 14 | 15 | 60 | 34 | 55 | 50 | 47 | 40 | 40 | 97 | 96 | 84 | 123 | 7 | 19 | 18 | 18 | 17 | 17 | 17 | 7 | 6 |
Swell 3 Height (m) Direction Period (s) | SSW 4 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | WSW 21 | WSW 21 | SW 13 | SSW 11 | S 10 | S 10 | S 10 | S 4 | S 4 | WSW 12 | S 15 | S 16 | S 16 | S 15 | S 4 |
| kJ | 3 | 52 | 31 | 28 | 45 | 44 | 45 | 45 | 44 | 45 | 43 | 42 | 23 | 19 | 19 | 19 | 3 | 1 | 14 | 5 | 5 | 5 | 5 | 1 |
Wind waves Height (m) Direction Period (s) | — | — | S 4 | S 4 | ESE 2 | ESE 3 | ESE 3 | ESE 3 | ESE 3 | SSE 3 | SSE 3 | SSE 4 | ESE 3 | ESE 3 | ESE 3 | ESE 3 | ESE 3 | ESE 3 | SE 3 | SE 3 | SE 3 | SE 3 | SE 3 | ESE 3 |
| kJ | — | — | 3 | 6 | 1 | 3 | 3 | 3 | 4 | 8 | 12 | 17 | 8 | 8 | 7 | 4 | 4 | 4 | 9 | 9 | 7 | 5 | 3 | 2 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 18 | 39 | 118 | 39 | 20 | 0 | 0 | 0 | 39 | 118 | 118 | 118 | 118 | 11 | 7 | 0 | 0 | 20 | 112 | 39 | 39 | 0 | 0 | 18 |
Best forecast wave conditions in Wanganui and the Manawatu | ||||||||||||||||||||||||
Best forecast wave conditions in New Zealand | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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