- Forecast
- Maps
- Live
- Weather State
- Spot Information
Surf Forecasts:
Mahia Spit surfForecast / Gisborne and Mahia / New Zealand
48hr Weather and Surf, issued 11 am Monday 18 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
15.8° 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: 1.1m 6s primary swell from a Southeast direction (forecast issued at 11:00am May 18). An open ocean swell of 0.6m 9s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 3.5ft (1.1m) | 6s |
| Afternoon (18 May) | 3.5ft (1.1m) | 6s |
| Evening (18 May) | 3.5ft (1.0m) | 6s |
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 Mon morning, min 11°C on Tue night). Winds increasing (calm on Mon night, fresh winds from the NNE by Wed afternoon). | ||||||||||||||||||||||||
Mon 18 | Tuesday 19 | Wednesday 20 | Thu 21 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 10 | SE 10 | SE 10 | E 9 | SE 9 | E 9 | E 9 | E 9 | E 9 | E 14 | E 13 | NE 4 | NE 4 | NE 4 | NE 4 | NE 4 | |
91 | 85 | 85 | 74 | 74 | 74 | 89 | 68 | 273 | 208 | 181 | 15 | 138 | 15 | 14 | 14 | 13 | 15 | 14 | 17 | 17 | 18 | 9 | 6 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross-off | glassy | glassy | glassy | cross-off | off | off | glassy | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross | |
High Tide | 6:28AM1.60m | 7:01PM1.71m | 7:24AM1.62m | 7:56PM1.74m | 8:21AM1.61m | 8:52PM1.74m | ||||||||||||||||||
Low Tide | 12:44PM-0.01m | 1:20AM0.02m | 1:40PM-0.03m | 2:17AM0.01m | 2:36PM-0.03m | 3:14AM0.01m | ||||||||||||||||||
 |  | |  |  | |  |  |  | |  | | | | | | | | | | | | | | |
 | 7:05 | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:09 |
 | — | — | 5:01 | — | — | — | — | — | — | — | 5:00 | — | — | — | — | — | — | — | 5:00 | — | — | — | — | 5:00 |
1 | 1 | 1 | — | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 14 | 14 | 14 | 14 | 14 | 13 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 12 | 11 | 11 | 11 | 12 | 13 | 13 | 13 | 12 | 12 | 12 |
11 | 12 | 12 | 13 | 13 | 13 | 10 | 11 | 11 | 12 | 12 | 11 | 10 | 10 | 8 | 8 | 7 | 7 | 8 | 7 | 8 | 8 | 9 | 10 | |
Swell 1 Height (m) Direction Period (s) | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 10 | SE 10 | SE 10 | SSE 9 | SE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 8 | SSE 8 | SSE 9 | SSE 9 | NE 4 | NE 4 | SSE 7 |
 kJ | 91 | 85 | 85 | 74 | 74 | 74 | 89 | 68 | 273 | 208 | 181 | 100 | 138 | 92 | 71 | 70 | 70 | 64 | 47 | 49 | 43 | 9 | 9 | 20 |
Swell 2 Height (m) Direction Period (s) | S 10 | S 9 | S 9 | S 9 | SSE 9 | SSE 10 | SSE 10 | SSE 10 | E 10 | E 10 | E 9 | E 5 | E 9 | E 5 | E 5 | E 9 | E 9 | E 8 | E 8 | E 8 | E 8 | SSE 8 | SSE 7 | NE 4 |
| kJ | 94 | 87 | 61 | 83 | 68 | 72 | 77 | 77 | 30 | 30 | 16 | 14 | 15 | 8 | 4 | 14 | 13 | 13 | 13 | 12 | 13 | 24 | 21 | 5 |
Swell 3 Height (m) Direction Period (s) | E 10 | E 9 | E 9 | ENE 10 | ENE 10 | E 10 | E 10 | E 10 | E 13 | E 13 | E 13 | E 9 | SSE 12 | E 9 | E 9 | ENE 5 | ENE 5 | E 14 | E 13 | E 13 | E 13 | E 8 | E 9 | E 8 |
| kJ | 28 | 28 | 28 | 30 | 31 | 31 | 31 | 30 | 4 | 3 | 13 | 15 | 15 | 15 | 14 | 2 | 4 | 15 | 14 | 14 | 14 | 6 | 6 | 6 |
Wind waves Height (m) Direction Period (s) | SSE 10 | — | — | — | — | SSE 10 | — | — | — | — | — | — | — | — | — | — | — | NE 5 | NE 3 | NE 4 | NE 4 | NE 4 | — | NNW 2 |
| kJ | 463 | — | — | — | — | 371 | — | — | — | — | — | — | — | — | — | — | — | 5 | 4 | 17 | 17 | 18 | — | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 10 | 10 | 10 | 12 | 47 | 79 | 94 |
Best forecast wave conditions in Gisborne and Mahia | ||||||||||||||||||||||||
Best forecast wave conditions in New Zealand | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Mahia Spit surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest