Surf Forecasts:
How big are the waves at Mahia Spit today (19 Aug):
- Morning surf: Morning surf (19 Aug, local time) - 1.5ft (0.4m), 14s period with SE swell.
- Afternoon surf: Afternoon surf (19 Aug, local time) - 6.5ft (2.0m), 9s period with ESE swell.
- Evening surf: Evening surf (19 Aug, local time) - 6.5ft (2.0m), 9s period with ESE swell.
The current surf forecast for Mahia Spit at 5AM is: 0.2m 15s primary swell from a East-southeast direction (forecast issued at 11:00pm August 18). An open ocean swell of 5.0m 12s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Aug) | 1.5ft (0.4m) | 14s |
| Afternoon (19 Aug) | 6.5ft (2.0m) | 9s |
| Evening (19 Aug) | 6.5ft (2.0m) | 9s |
Table - waves today at Mahia Spit. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 10mm), heaviest on Tue night. Very mild (max 13°C on Fri afternoon, min 9°C on Tue night). Winds decreasing (gales from the SSW on Tue night, light winds from the NW by Thu night). | |||||||||||||||||
Wednesday 19 | Thursday 20 | ||||||||||||||||
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) | SE 16 | S 12 | ESE 15 | SSE 12 | SE 14 | SE 9 | ESE 9 | ESE 9 | ESE 9 | SE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 |
Wave Graph  | |||||||||||||||||
 kJ | 10 | 0 | 22 | 0 | 67 | 470 | 646 | 641 | 646 | 612 | 486 | 346 | 267 | 227 | 180 | 180 | 151 |
Wind (km/h) | |||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | cross-off | cross-off | cross-off | cross-off | off | cross-off | off | off | off | off | off | off | off | cross-off | off |
High Tide | 10:19PM1.49m | 10:47AM1.45m | 11:07PM1.43m | 11:35AM1.41m | |||||||||||||
Low Tide | 4:37AM0.14m | 5:00PM0.21m | 5:24AM0.20m | 5:48PM0.27m | |||||||||||||
 | | | |  |  | |  | | | |  | |  | |  |  | |
 | — | — | — | 6:50 | — | — | — | — | — | — | — | 6:48 | — | — | — | — | — |
 | — | — | — | — | — | — | 5:32 | — | — | — | — | — | — | — | 5:34 | — | — |
mm | 2 | 2 | 2 | 1 | 1 | — | — | — | — | — | 1 | 1 | — | — | — | — | — |
Temp °C | 9 | 9 | 9 | 9 | 9 | 10 | 9 | 9 | 10 | 10 | 9 | 10 | 11 | 10 | 11 | 11 | 10 |
Feels °C | -5 | -5 | -4 | -4 | -3 | 0 | -1 | 0 | 2 | 4 | 3 | 1 | 3 | 3 | 5 | 6 | 7 |
Swell 1 Height (m) Direction Period (s) | SE 16 | — | ESE 15 | — | SE 14 | SE 9 | ESE 9 | ESE 9 | ESE 9 | S 14 | S 14 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | S 8 |
| kJ | 10 | — | 22 | — | 67 | 470 | 646 | 641 | 646 | 2346 | 1744 | 346 | 267 | 227 | 180 | 180 | 358 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | SE 14 | S 16 | SE 12 | SE 12 | SE 9 | ESE 9 | SE 11 | S 13 | S 13 | S 13 | S 13 | ESE 9 |
| kJ | — | — | — | — | — | 65 | 1211 | 23 | 40 | 612 | 486 | 33 | 430 | 276 | 212 | 117 | 151 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | SE 14 | — | — | — | — | — | — | — | ESE 13 | ESE 13 | S 18 | S 12 |
| kJ | — | — | — | — | — | 47 | — | — | — | — | — | — | — | 18 | 18 | 26 | 78 |
Wind waves Height (m) Direction Period (s) | S 11 | S 12 | S 12 | SSE 12 | SSE 11 | SSE 11 | S 11 | S 15 | S 15 | SSW 14 | SSW 14 | S 14 | S 8 | S 8 | S 8 | S 8 | S 8 |
| kJ | 5488 | 6928 | 6810 | 5988 | 4935 | 3937 | 2749 | 4257 | 3294 | 3269 | 2627 | 1849 | 494 | 488 | 392 | 443 | 566 |
Nearest Offshore or Glassy | |||||||||||||||||
Distance (km) | 169 | 169 | 344 | 164 | 100 | 100 | 164 | 89 | 86 | 0 | 3 | 84 | 73 | 2 | 0 | 2 | 0 |
Best forecast wave conditions in Gisborne and Mahia | |||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||
Header Global | |||||||||||||||||
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