Surf Forecasts:
How big are the waves at Mahia Spit today (13 Aug):
- Morning surf: Morning surf (13 Aug, local time) - 3.5ft (1.1m), 9s period with SE swell.
- Afternoon surf: Afternoon surf (13 Aug, local time) - 3ft (0.9m), 8s period with SE swell.
- Evening surf: Evening surf (13 Aug, local time) - 5ft (1.5m), 6s period with NE swell.
The current surf forecast for Mahia Spit at 8PM is: 1.4m 6s primary swell from a Northeast direction and 0.6m 8s secondary swell from a Southeast direction (forecast issued at 11:00am August 13). An open ocean swell of 0.3m 9s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Aug) | 3.5ft (1.1m) | 9s |
| Afternoon (13 Aug) | 3ft (0.9m) | 8s |
| Evening (13 Aug) | 5ft (1.5m) | 6s |
Table - waves today at Mahia Spit. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 51mm), heaviest during Thu morning. Very mild (max 14°C on Fri night, min 11°C on Thu morning). Mainly strong winds. | |||||||||||||||||||||
Thu 13 | Friday 14 | Saturday 15 | |||||||||||||||||||
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 | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | SE 9 | SE 9 | SE 8 | NE 6 | NE 6 | NE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 9 | ENE 9 | ENE 9 | E 9 | E 8 | E 8 | E 9 | E 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 203 | 152 | 100 | 111 | 159 | 164 | 181 | 170 | 192 | 239 | 308 | 579 | 962 | 1693 | 1317 | 1097 | 724 | 921 | 749 | 785 | 626 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | on | on | on | on | on | on | cross-on | on | on | on | on | cross-on | cross | cross | cross | cross-off |
High Tide | 6:03PM1.66m | 6:28AM1.54m | 6:57PM1.66m | 7:24AM1.54m | 7:50PM1.64m | ||||||||||||||||
Low Tide | 11:45AM0.03m | 00:24AM0.06m | 12:42PM0.02m | 1:19AM0.04m | 1:37PM0.03m | ||||||||||||||||
 | | |  |  |  | | |  | | | | | | | | | | | | | |
 | 6:58 | — | — | — | — | — | — | 6:56 | — | — | — | — | — | — | — | 6:54 | — | — | — | — | — |
 | — | — | 5:28 | — | — | — | — | — | — | — | 5:29 | — | — | — | — | — | — | — | 5:30 | — | — |
mm | 5 | 2 | 5 | 5 | 1 | — | — | 1 | — | 3 | 3 | 1 | 3 | 3 | 1 | 1 | 3 | 3 | 3 | 1 | 1 |
Temp °C | 11 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 |
Feels °C | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 7 | 6 | 6 | 9 | 10 | 10 | 10 | 9 | 8 | 9 | 10 |
Swell 1 Height (m) Direction Period (s) | SE 9 | SE 9 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SSE 9 | ESE 14 | S 16 | S 15 | ENE 9 | E 9 | E 9 | S 16 | E 8 | S 18 | E 9 | E 8 |
| kJ | 203 | 152 | 100 | 80 | 53 | 50 | 49 | 45 | 28 | 8 | 20 | 20 | 18 | 1131 | 940 | 828 | 19 | 671 | 25 | 785 | 626 |
Swell 2 Height (m) Direction Period (s) | ESE 13 | ESE 13 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | E 15 | E 15 | SE 10 | ESE 14 | SSE 10 | SSE 9 | SSW 15 | S 15 | S 15 | S 15 | SSW 15 | S 18 | S 14 | S 18 | S 18 |
| kJ | 17 | 18 | 27 | 16 | 16 | 16 | 18 | 17 | 24 | 20 | 9 | 15 | 22 | 17 | 18 | 18 | 23 | 25 | 4 | 55 | 54 |
Swell 3 Height (m) Direction Period (s) | NE 10 | S 18 | ESE 13 | ESE 13 | ESE 13 | ESE 13 | SE 13 | S 16 | E 15 | S 16 | S 16 | SSW 16 | ESE 14 | — | — | SE 8 | SW 19 | SSW 18 | ESE 13 | — | — |
| kJ | 4 | 6 | 17 | 16 | 16 | 16 | 7 | 21 | 17 | 20 | 19 | 24 | 20 | — | — | 3 | 14 | 31 | 18 | — | — |
Wind waves Height (m) Direction Period (s) | NE 4 | NE 5 | NE 5 | NE 6 | NE 6 | NE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 9 | ENE 9 | ENE 9 | E 9 | E 8 | E 8 | SE 8 | SE 8 |
| kJ | 20 | 29 | 51 | 111 | 159 | 164 | 181 | 170 | 192 | 239 | 308 | 579 | 962 | 1693 | 1317 | 1097 | 724 | 921 | 749 | 176 | 244 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 7 | 7 | 7 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 133 | 133 | 133 | 7 | 7 | 6 | 6 | 6 | 6 | 100 | 97 |
Best forecast wave conditions in Gisborne and Mahia | |||||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||||
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