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Surf Forecasts:
Mahia Spit surfForecast / Gisborne and Mahia / New Zealand
48hr Weather and Surf, issued 12 pm Wednesday 10 Dec 2025 NZDTForecast 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
18.6° C
(Which is 1.8°C warmer than normal for this time of year)How big are the waves at Mahia Spit today?
The current surf forecast for Mahia Spit at 5PM is: 1.6m 5s primary swell from a Northeast direction and 0.7m 12s secondary swell from a East direction (forecast issued at 12:00pm December 10). An open ocean swell of 0.6m 10s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (NZDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Dec) | 2.5ft (0.8m) | 12s |
| Afternoon (10 Dec) | 2.5ft (0.7m) | 12s |
| Evening (10 Dec) | 5ft (1.6m) | 11s |
Table - waves today at Mahia Spit. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 10 | Thursday 11 | Friday 12 | Saturday 13 | |||||||||||||||||||||
| 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 12 | 12 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 181 | 409 | 141 | 629 | 558 | 187 | 565 | 296 | 261 | 235 | 226 | 212 | 145 | 118 | 126 | 180 | 140 | 90 | 87 | 64 | 48 | 49 | 48 | 33 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | on | on | on | on | cross- on | cross- on | glass | cross | on | on | cross- on | cross- off | cross- off | off | off | cross- off | cross- off | cross- off | cross- off | off | off | off |
High Tide / height (m) | 10:56AM 1.66 | 11:23PM 1.48 | 11:50AM 1.59 | 12:19AM 1.43 | 12:42PM 1.52 | 1:14AM 1.38 | ||||||||||||||||||
Low Tide / height (m) | 5:20PM 0.06 | 5:35AM 0.09 | 6:13PM 0.11 | 6:29AM 0.16 | 7:05PM 0.15 | |||||||||||||||||||
Wednesday 10 | Thursday 11 | Friday 12 | Saturday 13 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 5:35 | - | - | - | - | - | - | - | 5:35 | - | - | - | - | - | - | - | 5:35 |
| Sunset | - | - | - | 8:24 | - | - | - | - | - | - | - | 8:25 | - | - | - | - | - | - | - | 8:27 | - | - | - | - |
 | | | |  | | | | | | |  |  |  | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 18 | 19 | 19 | 18 | 18 | 18 | 17 | 17 | 18 | 18 | 19 | 18 | 18 | 17 | 17 | 17 | 16 | 16 | 16 | 15 | 16 | 14 | 14 | 14 |
| Feels °C (?) | 15 | 13 | 13 | 13 | 14 | 15 | 16 | 17 | 19 | 18 | 18 | 17 | 18 | 17 | 16 | 13 | 8 | 8 | 7 | 7 | 9 | 8 | 7 | 8 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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