Surf Forecasts:
How big are the waves at Nukumaru Rock today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 1.5ft (0.4m), 14s period with WSW swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 1.5ft (0.4m), 16s period with WSW swell.
- Evening surf: Evening surf (21 Aug, local time) - 5ft (1.6m), 6s period with W swell.
The current surf forecast for Nukumaru Rock at 6AM is: 0.4m 13s primary swell from a West-southwest direction and 0.5m 8s secondary swell from a South direction, 0.8m 5s secondary swell from a West direction (forecast issued at 11:00pm August 20). The wind direction is predicted to be cross-offshore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 1.5ft (0.4m) | 14s |
| Afternoon (21 Aug) | 1.5ft (0.4m) | 16s |
| Evening (21 Aug) | 5ft (1.6m) | 6s |
Table - waves today at Nukumaru Rock. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 4mm), mostly falling on Sun morning. Very mild (max 14°C on Sat morning, min 10°C on Thu night). Winds increasing (light winds from the NW on Thu night, strong winds from the WNW by Sun morning). | |||||||||||||||||
Friday 21 | Saturday 22 | ||||||||||||||||
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) | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 14 | SW 16 | WSW 16 | W 6 | W 6 | W 7 | W 7 | W 6 | W 6 | W 6 | W 6 | WNW 6 | NW 6 |
Wave Graph  | |||||||||||||||||
 kJ | 115 | 110 | 104 | 70 | 71 | 64 | 94 | 117 | 194 | 278 | 277 | 282 | 260 | 196 | 160 | 122 | 229 |
Wind (km/h) | |||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-off | cross-off | cross | cross | cross | cross | cross | cross | cross-off | cross | cross-off | cross | cross | cross | cross-off |
High Tide | 3:13AM1.85m | 3:49PM1.80m | 4:21AM1.71m | 5:11PM1.71m | |||||||||||||
Low Tide | 8:46PM0.80m | 9:13AM0.84m | 9:54PM0.96m | 10:39AM0.97m | |||||||||||||
 | | | |  | |  |  |  | | | |  | | | | | |
 | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — |
 | — | — | — | — | — | — | 5:46 | — | — | — | — | — | — | — | 5:47 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 11 | 11 | 10 | 10 | 10 | 13 | 13 | 11 | 11 | 11 | 10 | 10 | 11 | 14 | 14 | 13 | 12 |
Feels °C | 9 | 8 | 7 | 7 | 7 | 9 | 9 | 7 | 7 | 7 | 5 | 5 | 6 | 8 | 9 | 9 | 7 |
Swell 1 Height (m) Direction Period (s) | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 14 | S 10 | WSW 16 | S 13 | S 12 | S 12 | S 12 | S 11 | S 11 | S 11 | S 11 | SW 13 | WSW 13 |
| kJ | 115 | 110 | 104 | 70 | 71 | 30 | 94 | 55 | 47 | 44 | 42 | 22 | 21 | 21 | 21 | 43 | 65 |
Swell 2 Height (m) Direction Period (s) | S 9 | S 9 | S 9 | S 8 | S 9 | WSW 13 | S 10 | WSW 15 | SW 14 | SW 14 | SW 14 | SW 14 | WSW 14 | WSW 14 | WSW 13 | S 11 | S 11 |
| kJ | 36 | 36 | 36 | 35 | 23 | 31 | 29 | 85 | 54 | 53 | 52 | 52 | 40 | 39 | 35 | 21 | 20 |
Swell 3 Height (m) Direction Period (s) | S 17 | S 16 | S 17 | S 16 | S 16 | SW 16 | S 14 | W 9 | — | — | — | W 20 | — | W 18 | W 19 | SW 20 | WSW 19 |
| kJ | 22 | 21 | 22 | 47 | 45 | 64 | 37 | 2 | — | — | — | 7 | — | 7 | 7 | 16 | 36 |
Wind waves Height (m) Direction Period (s) | W 4 | W 4 | W 5 | W 5 | W 5 | W 5 | W 5 | W 6 | W 6 | W 7 | W 7 | W 6 | W 6 | W 6 | W 6 | WNW 6 | NW 6 |
| kJ | 9 | 25 | 30 | 28 | 35 | 34 | 55 | 117 | 194 | 278 | 277 | 282 | 260 | 196 | 160 | 122 | 229 |
Nearest Offshore or Glassy | |||||||||||||||||
Distance (km) | 3 | 3 | 0 | 0 | 3 | 164 | 169 | 169 | 169 | 169 | 7 | 7 | 7 | 177 | 7 | 177 | 7 |
Best forecast wave conditions in Wanganui and the Manawatu | |||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||
Header Global | |||||||||||||||||
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