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Surf Forecasts:
Mahia Spit surfForecast / Gisborne and Mahia / New Zealand
48hr Weather and Surf, issued 11 am Tuesday 12 May 2026 NZSTForecast update in hr min s Forecast update imminent
Mahia Spit surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Mahia Spit sea temperature is
16.1° C
(Which is slightly cooler than normal)How big are the waves at Mahia Spit today?
The current surf forecast for Mahia Spit at 4PM is: 0.7m 10s primary swell from a East direction (forecast issued at 11:00am May 12). An open ocean swell of 1.5m 13s is not directed at the surf break. The wind direction is predicted to be glassy.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 May) | 2.5ft (0.7m) | 10s |
| Afternoon (12 May) | 2ft (0.6m) | 10s |
| Evening (12 May) | 2.5ft (0.7m) | 10s |
Table - waves today at Mahia Spit. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 6mm), mostly falling on Wed afternoon. Very mild (max 16°C on Tue afternoon, min 12°C on Tue morning). Winds increasing (calm on Tue afternoon, strong winds from the SSW by Wed afternoon). | ||||||||||||||||||||||||
Tue 12 | Wednesday 13 | Thursday 14 | Fri 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 | 12 AM | 3 AM | 6 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | ENE 9 | |
96 | 94 | 68 | 94 | 92 | 88 | 87 | 63 | 61 | 42 | 41 | 43 | 43 | 27 | 41 | 26 | 26 | 26 | 25 | 25 | 25 | 28 | 27 | 29 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | glassy | cross-off | off | off | off | off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | off | off | |
High Tide | 1:31PM1.27m | 1:53AM1.38m | 2:25PM1.32m | 2:46AM1.42m | 3:20PM1.40m | 3:41AM1.47m | ||||||||||||||||||
Low Tide | 7:27AM0.29m | 7:40PM0.30m | 8:16AM0.25m | 8:33PM0.27m | 9:07AM0.19m | 9:29PM0.22m | ||||||||||||||||||
 | | |  | |  | | |  | |  |  | |  | |  | |  | | | | | | | |
 | 7:01 | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:03 | — | — | — | — | — | — | — | 7:03 |
 | — | — | 5:07 | — | — | — | — | — | — | — | 5:06 | — | — | — | — | — | — | — | 5:05 | — | — | — | — | 5:04 |
— | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | — | — | — | 1 | — | — | — | — | 1 | 1 | |
Temp °C | 12 | 15 | 16 | 15 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 |
8 | 12 | 15 | 11 | 12 | 10 | 8 | 7 | 5 | 5 | 4 | 5 | 6 | 6 | 7 | 7 | 8 | 7 | 6 | 7 | 7 | 8 | 8 | 7 | |
Swell 1 Height (m) Direction Period (s) | S 13 | S 13 | S 13 | S 12 | S 12 | S 16 | S 15 | S 15 | S 15 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | S 13 | S 13 | E 9 | E 9 | E 9 | E 9 | E 9 | S 9 | SSE 9 |
 kJ | 1138 | 875 | 736 | 593 | 574 | 847 | 1597 | 1225 | 1225 | 42 | 41 | 43 | 43 | 27 | 41 | 2359 | 1932 | 26 | 25 | 25 | 25 | 25 | 495 | 442 |
Swell 2 Height (m) Direction Period (s) | E 10 | E 10 | E 10 | E 10 | E 10 | S 11 | E 9 | E 9 | E 9 | S 24 | SSW 24 | SSW 23 | SSW 22 | S 21 | S 20 | E 9 | E 9 | S 18 | — | — | — | ENE 9 | E 9 | ENE 9 |
| kJ | 96 | 94 | 68 | 94 | 92 | 302 | 87 | 63 | 61 | 47 | 55 | 104 | 181 | 81 | 121 | 26 | 26 | 56 | — | — | — | 28 | 27 | 29 |
Swell 3 Height (m) Direction Period (s) | E 12 | E 12 | E 12 | NE 4 | S 16 | E 10 | — | — | S 26 | SE 16 | NE 10 | SE 15 | SE 15 | NE 10 | NE 10 | S 20 | SSW 18 | NE 9 | — | — | — | — | S 15 | S 16 |
| kJ | 47 | 44 | 43 | 3 | 198 | 88 | — | — | 13 | 10 | 4 | 9 | 8 | 4 | 4 | 67 | 62 | 3 | — | — | — | — | 17 | 43 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | SSW 5 | S 5 | S 6 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | S 11 | S 10 | S 10 | S 9 |
| kJ | — | — | — | — | — | — | 67 | 80 | 177 | 2581 | 3282 | 3009 | 2948 | 3017 | 2806 | 3318 | 2640 | 1607 | 1665 | 1431 | 980 | 669 | 730 | 551 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 7 | 7 | 0 | 2 | 0 | 0 | 42 | 56 | 84 | 101 | 89 | 89 | 89 | 92 | 89 | 84 | 100 | 160 | 97 | 97 | 42 | 0 | 42 | 3 |
Best forecast wave conditions in Gisborne and Mahia | ||||||||||||||||||||||||
Best forecast wave conditions in New Zealand | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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