Surf Forecasts:
How big are the waves at Kai-Iwi today (18 Aug):
- Afternoon surf: Afternoon surf (18 Aug, local time) - 2.5ft (0.7m), 8s period with W swell.
- Evening surf: Evening surf (18 Aug, local time) - 11ft (3.5m), 8s period with S swell.
The current surf forecast for Kai-Iwi at 10PM is: 4.0m 9s primary swell from a South direction and 0.8m 13s secondary swell from a West-southwest direction (forecast issued at 05:00pm August 18). The wind direction is predicted to be cross-onshore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Aug) | - | - |
| Afternoon (18 Aug) | 2.5ft (0.7m) | 8s |
| Evening (18 Aug) | 11ft (3.5m) | 8s |
Table - waves today at Kai-Iwi. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Thu afternoon. Very mild (max 14°C on Fri morning, min 7°C on Wed morning). Winds decreasing (strong winds from the S on Tue night, calm by Wed night). | |||||||||||||||||||
Tue 18 | Wednesday 19 | Thursday 20 | |||||||||||||||||
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 | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | W 8 | WSW 13 | S 8 | S 9 | S 9 | S 9 | S 10 | S 9 | S 11 | S 14 | S 14 | WSW 15 | WSW 15 | WSW 15 | SW 14 | SW 14 | SW 14 | SW 14 | WSW 14 |
Wave Graph  | |||||||||||||||||||
 kJ | 63 | 235 | 1842 | 2831 | 2163 | 1150 | 872 | 497 | 319 | 585 | 400 | 270 | 196 | 188 | 103 | 102 | 102 | 52 | 79 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | on | on | glassy | cross-off | cross | cross | cross | cross-off |
High Tide | 1:54PM2.53m | 2:10AM2.48m | 2:35PM2.41m | 2:55AM2.34m | 3:25PM2.29m | ||||||||||||||
Low Tide | 8:10PM0.99m | 8:32AM0.98m | 8:55PM1.14m | 9:15AM1.12m | |||||||||||||||
 |  |  | | | | |  | | | | | | | | |  |  | | |
 | — | — | — | — | — | 7:03 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — |
 | 5:43 | — | — | — | — | — | — | — | 5:44 | — | — | — | — | — | — | — | 5:45 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — |
Temp °C | 11 | 9 | 9 | 9 | 9 | 8 | 7 | 10 | 10 | 9 | 9 | 10 | 10 | 10 | 9 | 12 | 12 | 12 | 11 |
Feels °C | 7 | 2 | 0 | -1 | 1 | 2 | 3 | 6 | 7 | 6 | 6 | 7 | 8 | 9 | 7 | 10 | 10 | 10 | 8 |
Swell 1 Height (m) Direction Period (s) | S 6 | WSW 13 | WSW 13 | W 13 | SW 18 | WSW 12 | S 10 | S 9 | WSW 10 | S 14 | S 14 | S 13 | WSW 15 | WSW 15 | S 11 | W 9 | SW 14 | SW 14 | WSW 14 |
| kJ | 50 | 235 | 189 | 115 | 13 | 133 | 872 | 497 | 60 | 585 | 400 | 225 | 196 | 188 | 63 | 39 | 102 | 52 | 79 |
Swell 2 Height (m) Direction Period (s) | W 8 | SW 14 | — | — | W 18 | WSW 18 | WSW 12 | WSW 10 | SW 16 | WSW 16 | WSW 16 | WSW 15 | S 13 | S 12 | SW 14 | SW 14 | S 9 | S 9 | S 9 |
| kJ | 63 | 29 | — | — | 24 | 30 | 127 | 86 | 124 | 284 | 277 | 270 | 163 | 96 | 103 | 102 | 14 | 14 | 14 |
Swell 3 Height (m) Direction Period (s) | S 8 | — | — | — | — | WSW 18 | SW 17 | SW 16 | S 14 | SW 16 | SW 16 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | SSW 9 | WSW 9 | WSW 9 | S 11 |
| kJ | 31 | — | — | — | — | 31 | 75 | 69 | 101 | 64 | 63 | 15 | 15 | 15 | 26 | 26 | 15 | 8 | 10 |
Wind waves Height (m) Direction Period (s) | — | S 9 | S 8 | S 9 | S 9 | S 9 | — | — | S 11 | S 11 | — | — | — | — | — | — | W 5 | W 5 | W 5 |
| kJ | — | 225 | 1842 | 2831 | 2163 | 1150 | — | — | 319 | 274 | — | — | — | — | — | — | 12 | 16 | 27 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 118 | 39 | 112 | 118 | 120 | 23 | 11 | 11 | 118 | 118 | 61 | 61 | 13 | 0 | 0 | 13 | 13 | 13 | 0 |
Best forecast wave conditions in Wanganui and the Manawatu | |||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||
Header Global | |||||||||||||||||||
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