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Surf Forecasts:
Mahia Spit surfForecast / Gisborne and Mahia / New Zealand
48hr Weather and Surf, issued 5 pm 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 12AM is: 0.7m 10s primary swell from a East direction (forecast issued at 05:00pm May 12). An open ocean swell of 1.3m 16s is not directed at the surf break, a second open ocean swell of 1.1m 11s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 May) | - | - |
| Afternoon (13 May) | 2ft (0.6m) | 10s |
| Evening (13 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 night. Very mild (max 16°C on Tue afternoon, min 12°C on Tue night). Winds increasing (light winds from the E on Tue afternoon, strong winds from the SW by Wed afternoon). | ||||||||||||||||||||||||
Tue 12 | Wednesday 13 | Thursday 14 | Fri 15 | |||||||||||||||||||||
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 | 9 AM | 12 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
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 | ENE 9 | ENE 9 | ENE 9 | ENE 10 | ENE 10 | |
68 | 94 | 92 | 88 | 87 | 63 | 61 | 42 | 42 | 42 | 43 | 41 | 41 | 41 | 26 | 26 | 26 | 25 | 25 | 48 | 28 | 29 | 31 | 32 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-off | off | off | off | off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | cross-off | off | off | off | off | cross-off | cross-off | |
High Tide | 1:53AM1.38m | 2:25PM1.32m | 2:46AM1.42m | 3:20PM1.40m | 3:41AM1.47m | |||||||||||||||||||
Low Tide | 7:40PM0.30m | 8:16AM0.25m | 8:33PM0.27m | 9:07AM0.19m | 9:29PM0.22m | 9:59AM0.13m | ||||||||||||||||||
 |  |  |  | | |  | |  | |  | |  | | |  | | | | | | | | | |
 | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:03 | — | — | — | — | — | — | — | 7:03 | — | — |
 | 5:07 | — | — | — | — | — | — | — | 5:06 | — | — | — | — | — | — | — | 5:05 | — | — | — | — | — | — | 5:04 |
— | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 1 | — | 1 | — | — | — | — | 1 | — | — | — | |
Temp °C | 16 | 14 | 14 | 13 | 12 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 |
14 | 9 | 10 | 9 | 7 | 7 | 6 | 5 | 5 | 5 | 6 | 7 | 7 | 8 | 9 | 6 | 7 | 7 | 8 | 8 | 9 | 9 | 9 | 8 | |
Swell 1 Height (m) Direction Period (s) | S 13 | S 12 | S 12 | S 16 | S 15 | S 15 | S 15 | S 14 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | S 13 | E 9 | E 9 | E 9 | E 9 | ENE 9 | SSE 10 | S 9 | SSE 9 | SSE 9 |
 kJ | 736 | 679 | 574 | 847 | 1610 | 1371 | 1225 | 1191 | 42 | 42 | 43 | 41 | 41 | 41 | 1932 | 26 | 26 | 25 | 25 | 27 | 551 | 449 | 333 | 333 |
Swell 2 Height (m) Direction Period (s) | E 10 | E 10 | E 10 | S 11 | E 9 | E 9 | E 9 | E 9 | SSW 24 | SSW 23 | SSW 22 | S 21 | S 20 | S 20 | E 9 | S 18 | SE 13 | — | — | ENE 9 | ENE 9 | S 15 | S 14 | S 16 |
| kJ | 68 | 94 | 92 | 297 | 87 | 63 | 61 | 42 | 55 | 104 | 181 | 81 | 121 | 119 | 26 | 56 | 7 | — | — | 48 | 28 | 107 | 138 | 339 |
Swell 3 Height (m) Direction Period (s) | E 12 | NE 4 | S 16 | E 10 | — | — | S 26 | S 24 | NE 10 | SE 15 | SE 15 | NE 10 | NE 10 | SSW 20 | SSW 18 | NE 9 | — | — | — | — | S 15 | ENE 9 | ENE 10 | ENE 10 |
| kJ | 43 | 3 | 198 | 88 | — | — | 13 | 47 | 4 | 9 | 8 | 4 | 4 | 75 | 62 | 3 | — | — | — | — | 17 | 29 | 31 | 32 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | SSW 5 | S 6 | S 6 | S 14 | S 14 | S 13 | S 14 | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | S 11 | S 10 | S 10 | S 10 | — | — |
| kJ | — | — | — | — | — | 37 | 125 | 200 | 2846 | 2858 | 2774 | 2834 | 2623 | 2187 | 2681 | 1633 | 1656 | 1332 | 1056 | 683 | 673 | 587 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 2 | 2 | 0 | 0 | 0 | 42 | 84 | 101 | 112 | 89 | 92 | 89 | 89 | 84 | 98 | 97 | 160 | 97 | 84 | 0 | 2 | 2 | 2 | 2 |
Best forecast wave conditions in Gisborne and Mahia | ||||||||||||||||||||||||
Best forecast wave conditions in New Zealand | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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