Surf Forecasts:
How big are the waves at Mahia Spit today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 3ft (0.9m), 10s period with ESE swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 2.5ft (0.8m), 10s period with ESE swell.
- Evening surf: Evening surf (21 Aug, local time) - 2.5ft (0.7m), 10s period with ESE swell.
The current surf forecast for Mahia Spit at 7AM is: 0.9m 9s primary swell from a East-southeast direction (forecast issued at 11:00pm August 20). An open ocean swell of 1.3m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 3ft (0.9m) | 10s |
| Afternoon (21 Aug) | 2.5ft (0.8m) | 10s |
| Evening (21 Aug) | 2.5ft (0.7m) | 10s |
Table - waves today at Mahia Spit. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 15°C on Sat afternoon, min 9°C on Thu night). Winds increasing (calm on Fri morning, fresh winds from the NNW 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) | ESE 9 | ESE 9 | ESE 9 | ESE 8 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | E 14 | E 13 | E 13 |
Wave Graph  | |||||||||||||||||
 kJ | 151 | 106 | 111 | 101 | 149 | 149 | 118 | 111 | 83 | 52 | 48 | 31 | 30 | 16 | 15 | 14 | 30 |
Wind (km/h) | |||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | cross-off | cross-off | cross-off | glassy | cross-on | on | on | cross-on | cross | cross-off | cross | glassy | glassy | cross | cross |
High Tide | 11:54PM1.37m | 12:23PM1.37m | 00:42AM1.32m | 1:11PM1.34m | |||||||||||||
Low Tide | 6:09AM0.26m | 6:36PM0.32m | 6:55AM0.30m | 7:24PM0.36m | |||||||||||||
 | | | |  | | |  | | | | | | | | | | |
 | — | — | — | 6:47 | — | — | — | — | — | — | — | 6:46 | — | — | — | — | — |
 | — | — | — | — | — | — | 5:35 | — | — | — | — | — | — | — | 5:36 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 11 | 10 | 10 | 9 | 10 | 11 | 11 | 11 | 11 | 10 | 9 | 9 | 10 | 13 | 15 | 15 | 13 |
Feels °C | 7 | 7 | 8 | 6 | 7 | 10 | 8 | 6 | 6 | 6 | 7 | 7 | 7 | 11 | 13 | 11 | 8 |
Swell 1 Height (m) Direction Period (s) | S 8 | S 8 | SSE 8 | SSE 8 | S 13 | S 16 | S 16 | S 15 | S 14 | SSE 13 | S 13 | S 12 | S 12 | S 12 | S 12 | SSE 11 | SSE 11 |
| kJ | 351 | 317 | 277 | 252 | 759 | 1330 | 1117 | 978 | 836 | 690 | 539 | 425 | 411 | 341 | 274 | 273 | 217 |
Swell 2 Height (m) Direction Period (s) | ESE 9 | ESE 9 | S 16 | ESE 8 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 8 | E 13 | E 13 |
| kJ | 151 | 106 | 438 | 101 | 149 | 149 | 118 | 111 | 83 | 52 | 48 | 31 | 30 | 16 | 13 | 14 | 30 |
Swell 3 Height (m) Direction Period (s) | S 12 | S 12 | ESE 9 | S 16 | S 16 | — | — | — | ESE 10 | SSE 17 | NNE 3 | — | — | E 14 | E 14 | — | — |
| kJ | 109 | 108 | 111 | 260 | 264 | — | — | — | 81 | 55 | 1 | — | — | 4 | 15 | — | — |
Wind waves Height (m) Direction Period (s) | S 8 | — | — | — | — | — | — | — | NE 2 | NNE 3 | NNE 3 | — | WNW 2 | — | — | NNE 2 | NW 2 |
| kJ | 526 | — | — | — | — | — | — | — | 1 | 1 | 3 | — | 1 | — | — | 1 | 1 |
Nearest Offshore or Glassy | |||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 7 | 12 | 7 | 7 | 7 | 7 | 2 | 2 | 7 | 33 |
Best forecast wave conditions in Gisborne and Mahia | |||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||
Header Global | |||||||||||||||||
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