Surf Forecasts:
How big are the waves at Mahia Spit today (16 Aug):
- Morning surf: Morning surf (16 Aug, local time) - 5ft (1.5m), 8s period with E swell.
- Afternoon surf: Afternoon surf (16 Aug, local time) - 4.5ft (1.3m), 9s period with E swell.
- Evening surf: Evening surf (16 Aug, local time) - 4.5ft (1.3m), 9s period with E swell.
The current surf forecast for Mahia Spit at 5AM is: 1.8m 8s primary swell from a East direction (forecast issued at 11:00pm August 15). An open ocean swell of 0.5m 18s is not directed at the surf break, a second open ocean swell of 1.4m 5s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Aug) | 5ft (1.5m) | 8s |
| Afternoon (16 Aug) | 4.5ft (1.3m) | 9s |
| Evening (16 Aug) | 4.5ft (1.3m) | 9s |
Table - waves today at Mahia Spit. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 32mm), heaviest during Sun afternoon. Very mild (max 13°C on Sat night, min 8°C on Mon night). Winds increasing (moderate winds from the S on Sat night, gales from the SW by Tue afternoon). | |||||||||||||||||
Sunday 16 | Monday 17 | ||||||||||||||||
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) | E 9 | E 9 | E 8 | E 8 | E 8 | E 8 | E 9 | E 9 | E 9 | ESE 8 | ESE 9 | E 9 | E 10 | E 10 | E 10 | E 10 | E 10 |
Wave Graph  | |||||||||||||||||
 kJ | 708 | 668 | 589 | 356 | 313 | 283 | 252 | 264 | 263 | 380 | 436 | 287 | 279 | 245 | 268 | 230 | 164 |
Wind (km/h) | |||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 7:50PM1.64m | 8:17AM1.54m | 8:41PM1.61m | 9:08AM1.52m | |||||||||||||
Low Tide | 2:12AM0.03m | 2:30PM0.06m | 3:02AM0.05m | 3:22PM0.10m | |||||||||||||
 |  | | |  |  | |  | | | | | | | |  | | |
 | — | — | — | 6:54 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — |
 | — | — | — | — | — | — | 5:30 | — | — | — | — | — | — | — | 5:31 | — | — |
mm | 3 | 1 | 2 | 1 | — | 1 | 2 | 9 | 4 | 1 | 1 | 1 | 1 | 1 | 1 | — | — |
Temp °C | 13 | 13 | 13 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
Feels °C | 9 | 9 | 8 | 2 | 3 | 2 | 1 | 1 | 0 | -1 | -2 | -2 | -2 | -1 | -1 | 0 | -1 |
Swell 1 Height (m) Direction Period (s) | E 9 | E 9 | E 8 | E 8 | E 8 | E 8 | E 9 | E 9 | E 9 | ESE 8 | ESE 9 | E 9 | E 10 | E 10 | E 10 | E 10 | E 10 |
| kJ | 708 | 668 | 589 | 356 | 313 | 283 | 252 | 264 | 263 | 380 | 436 | 287 | 279 | 245 | 268 | 230 | 164 |
Swell 2 Height (m) Direction Period (s) | S 18 | S 18 | S 18 | ESE 8 | S 17 | ENE 9 | NE 8 | ENE 8 | ENE 9 | SE 15 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | E 10 | E 10 |
| kJ | 56 | 98 | 162 | 249 | 214 | 129 | 55 | 84 | 90 | 9 | 268 | 333 | 302 | 295 | 273 | 122 | 94 |
Swell 3 Height (m) Direction Period (s) | — | — | SSW 18 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SE 15 | ENE 8 | ESE 15 | — | — | — | — | — |
| kJ | — | — | 184 | 292 | 344 | 310 | 229 | 198 | 99 | 9 | 26 | 22 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | SSW 4 | SSW 5 | SSW 5 | SSW 6 | SSW 8 | S 9 | S 10 | S 10 | S 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 9 |
| kJ | — | — | 17 | 85 | 87 | 276 | 910 | 1411 | 2371 | 2468 | 2770 | 2754 | 2629 | 2356 | 1957 | 1807 | 1499 |
Nearest Offshore or Glassy | |||||||||||||||||
Distance (km) | 2 | 2 | 42 | 100 | 112 | 152 | 152 | 160 | 160 | 273 | 164 | 160 | 164 | 164 | 164 | 100 | 92 |
Best forecast wave conditions in Gisborne and Mahia | |||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||
Header Global | |||||||||||||||||
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