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Surf Forecasts:
Mahia Spit surfForecast / Gisborne and Mahia / New Zealand
48hr Weather and Surf, issued 11 am Monday 11 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 5PM is: 0.8m 11s primary swell from a East direction (forecast issued at 11:00am May 11). An open ocean swell of 2.5m 14s is not directed at the surf break, a second open ocean swell of 3.0m 14s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 May) | 3.5ft (1.0m) | 11s |
| Afternoon (11 May) | 2.5ft (0.7m) | 11s |
| Evening (11 May) | 2.5ft (0.8m) | 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 Mon morning. Very mild (max 14°C on Tue afternoon, min 11°C on Mon night). Winds increasing (light winds from the WNW on Mon night, strong winds from the SSW by Wed afternoon). | ||||||||||||||||||||||||
Mon 11 | Tuesday 12 | Wednesday 13 | Thu 14 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
ENE 11 | ENE 11 | E 11 | ENE 10 | ENE 10 | ENE 10 | E 10 | E 10 | 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 | |
249 | 194 | 116 | 144 | 139 | 136 | 98 | 98 | 96 | 94 | 68 | 94 | 92 | 88 | 87 | 63 | 61 | 61 | 42 | 42 | 42 | 41 | 41 | 41 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-on | cross-on | cross-on | cross-on | cross | cross-off | off | off | off | off | off | off | off | off | cross-off | cross-off | off | cross-off | |
High Tide | 12:41PM1.24m | 1:03AM1.36m | 1:31PM1.27m | 1:53AM1.38m | 2:25PM1.32m | 2:46AM1.42m | ||||||||||||||||||
Low Tide | 6:40AM0.32m | 6:50PM0.32m | 7:27AM0.29m | 7:40PM0.30m | 8:16AM0.25m | 8:33PM0.27m | ||||||||||||||||||
 |  |  |  | | | | |  | | |  |  | | | | |  | | |  | | | | |
 | 7:00 | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:03 |
 | — | — | 5:07 | — | — | — | — | — | — | — | 5:07 | — | — | — | — | — | — | — | 5:06 | — | — | — | — | 5:05 |
1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | 1 | 1 | 1 | 1 | |
Temp °C | 13 | 13 | 13 | 12 | 12 | 11 | 11 | 11 | 11 | 13 | 14 | 14 | 14 | 13 | 13 | 13 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 14 |
6 | 6 | 7 | 7 | 9 | 8 | 8 | 7 | 6 | 9 | 12 | 11 | 12 | 8 | 7 | 7 | 6 | 6 | 5 | 5 | 6 | 7 | 7 | 7 | |
Swell 1 Height (m) Direction Period (s) | S 14 | ENE 11 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | SSE 12 | S 12 | S 16 | S 15 | S 14 | S 14 | S 14 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 |
 kJ | 779 | 194 | 2742 | 2702 | 2291 | 1894 | 1710 | 1419 | 1138 | 892 | 736 | 608 | 497 | 847 | 1769 | 1352 | 1191 | 1057 | 42 | 42 | 42 | 41 | 41 | 41 |
Swell 2 Height (m) Direction Period (s) | ENE 11 | — | E 11 | ENE 10 | ENE 10 | ENE 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | S 16 | S 12 | E 9 | E 9 | E 9 | E 9 | SSW 24 | SSW 23 | SSW 22 | S 21 | SSW 19 | SSW 19 |
| kJ | 249 | — | 116 | 144 | 139 | 136 | 98 | 98 | 96 | 94 | 68 | 94 | 264 | 404 | 87 | 63 | 61 | 61 | 55 | 104 | 181 | 81 | 148 | 74 |
Swell 3 Height (m) Direction Period (s) | — | — | ENE 10 | E 13 | E 13 | E 13 | E 13 | E 13 | E 12 | E 12 | E 12 | SSW 18 | E 10 | E 10 | — | — | S 26 | S 24 | NE 10 | SE 15 | SE 15 | NE 9 | NE 10 | SSW 20 |
| kJ | — | — | 60 | 14 | 14 | 32 | 51 | 52 | 47 | 44 | 43 | 61 | 92 | 88 | — | — | 13 | 47 | 4 | 9 | 9 | 3 | 4 | 75 |
Wind waves Height (m) Direction Period (s) | S 8 | S 14 | SSW 14 | — | — | — | — | — | — | — | — | — | — | — | SSW 4 | S 6 | S 6 | S 6 | S 14 | S 14 | S 13 | S 13 | S 14 | S 13 |
| kJ | 475 | 2471 | 3826 | — | — | — | — | — | — | — | — | — | — | — | 50 | 108 | 144 | 233 | 3060 | 3065 | 2709 | 2545 | 2901 | 2468 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 89 | 98 | 98 | 2 | 0 | 0 | 7 | 7 | 7 | 7 | 2 | 0 | 0 | 0 | 33 | 42 | 2 | 98 | 160 | 98 | 89 | 86 | 89 | 89 |
Best forecast wave conditions in Gisborne and Mahia | ||||||||||||||||||||||||
Best forecast wave conditions in New Zealand | ||||||||||||||||||||||||
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