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Surf Forecasts:
Mahia Spit surfForecast / Gisborne and Mahia / New Zealand
48hr Weather and Surf, issued 5 am Thursday 21 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
15.5° C
(Which is slightly cooler than normal)How big are the waves at Mahia Spit today?
The current surf forecast for Mahia Spit at 12PM is: 0.5m 4s primary swell from a Northeast direction and 0.4m 4s secondary swell from a Northeast direction (forecast issued at 05:00am May 21). An open ocean swell of 0.2m 7s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 May) | 1.5ft (0.4m) | 4s |
| Afternoon (21 May) | 1.5ft (0.5m) | 4s |
| Evening (21 May) | 2ft (0.6m) | 5s |
Table - waves today at Mahia Spit. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Sat night. Very mild (max 17°C on Thu afternoon, min 12°C on Thu morning). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 21 | Friday 22 | Saturday 23 | Sun 24 | |||||||||||||||||||||
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 | 3 PM | 6 PM | 9 PM | 12 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
NNE 4 | E 9 | NE 4 | NE 4 | NE 4 | NE 4 | ENE 5 | NE 5 | NE 5 | NE 5 | NE 8 | NE 7 | NE 7 | NE 11 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 9 | ENE 9 | |
16 | 7 | 6 | 9 | 10 | 13 | 16 | 13 | 13 | 7 | 17 | 12 | 12 | 29 | 39 | 38 | 56 | 72 | 92 | 90 | 111 | 135 | 127 | 124 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross | glassy | glassy | glassy | glassy | on | cross-on | cross-on | cross-on | cross-on | cross-off | glassy | off | cross-off | cross-off | cross-off | off | |
High Tide | 9:17AM1.59m | 9:48PM1.71m | 10:15AM1.54m | 10:44PM1.66m | 11:12AM1.49m | 11:40PM1.60m | ||||||||||||||||||
Low Tide | 3:14AM0.01m | 3:33PM-0.01m | 4:11AM0.03m | 4:29PM0.03m | 5:08AM0.06m | 5:25PM0.09m | ||||||||||||||||||
 | |  | | | | | | | | | | | | | | | | |  | |  | | | |
 | — | 7:09 | — | — | — | — | — | — | — | 7:09 | — | — | — | — | — | — | — | 7:09 | — | — | — | — | — | 7:11 |
 | — | — | — | — | 5:00 | — | — | — | — | — | — | — | 4:59 | — | — | — | — | — | — | — | 4:58 | — | — | 4:58 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 11 | 11 | 12 | 14 | 17 | 16 | 16 | 14 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 13 | 13 | 13 | 14 | 13 | 14 | 14 | 14 | 13 |
7 | 7 | 8 | 11 | 13 | 12 | 13 | 12 | 12 | 13 | 12 | 13 | 11 | 10 | 10 | 10 | 11 | 11 | 13 | 11 | 12 | 12 | 12 | 10 | |
Swell 1 Height (m) Direction Period (s) | NE 4 | ENE 4 | NE 4 | NE 4 | SSE 6 | SSE 9 | ENE 5 | NE 5 | NE 5 | NE 5 | NE 6 | NE 7 | SE 10 | SE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | S 13 | ENE 10 | ENE 9 | ENE 9 |
 kJ | 12 | 7 | 6 | 5 | 4 | 8 | 16 | 13 | 13 | 7 | 8 | 12 | 25 | 24 | 39 | 38 | 56 | 72 | 92 | 90 | 212 | 135 | 127 | 124 |
Swell 2 Height (m) Direction Period (s) | SSE 8 | SSE 7 | SE 7 | SSE 7 | SSE 9 | E 8 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | NE 8 | SSE 10 | ENE 9 | NE 11 | SE 10 | SE 10 | NE 4 | SSE 9 | S 13 | S 13 | ENE 10 | S 12 | S 12 | S 12 |
| kJ | 22 | 20 | 12 | 4 | 8 | 6 | 8 | 8 | 16 | 8 | 17 | 22 | 7 | 29 | 23 | 23 | 6 | 34 | 123 | 119 | 111 | 196 | 141 | 132 |
Swell 3 Height (m) Direction Period (s) | E 9 | E 9 | E 8 | SSE 9 | E 9 | S 14 | SSE 13 | SSE 12 | NE 9 | ENE 8 | SSE 9 | ENE 9 | ENE 11 | E 11 | E 11 | S 16 | SE 9 | S 13 | SSE 9 | SSE 9 | SW 5 | ENE 14 | ENE 13 | ENE 12 |
| kJ | 6 | 6 | 6 | 8 | 6 | 4 | 17 | 14 | 3 | 7 | 15 | 7 | 12 | 2 | 2 | 5 | 22 | 56 | 32 | 28 | 1 | 18 | 34 | 59 |
Wind waves Height (m) Direction Period (s) | NNE 4 | — | NNW 3 | NE 4 | NE 4 | NE 4 | — | — | — | — | — | — | NE 7 | NE 7 | NE 4 | NE 4 | NNE 4 | NNE 4 | — | — | — | — | — | — |
| kJ | 16 | — | 1 | 9 | 10 | 13 | — | — | — | — | — | — | 11 | 21 | 6 | 8 | 8 | 9 | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 7 | 94 | 154 | 79 | 154 | 79 | 7 | 7 | 7 | 7 | 7 | 7 | 52 | 52 | 52 | 52 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Gisborne and Mahia | ||||||||||||||||||||||||
Best forecast wave conditions in New Zealand | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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