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Surf Forecasts:
Mahia Spit surfForecast / Gisborne and Mahia / New Zealand
48hr Weather and Surf, issued 12 pm Tuesday 16 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
18.4° C
(Which is 1.3°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 6PM is: 1.2m 7s primary swell from a Northeast direction (forecast issued at 12:00pm December 16). An open ocean swell of 0.4m 10s is not directed at the surf break, a second open ocean swell of 0.2m 3s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (NZDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Dec) | 2.5ft (0.8m) | 6s |
| Afternoon (16 Dec) | 4ft (1.2m) | 7s |
| Evening (16 Dec) | 3.5ft (1.1m) | 7s |
Table - waves today at Mahia Spit. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| 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) (?) | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 45 | 68 | 263 | 162 | 116 | 82 | 145 | 46 | 41 | 31 | 27 | 27 | 27 | 19 | 17 | 21 | 33 | 48 | 67 | 45 | 45 | 72 | 50 | 47 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | on | on | cross- on | cross- on | cross- on | cross- on | cross- off | cross- off | off | glass | on | off | off | off | cross | cross- off | cross- on | cross- on | on | on | cross- on | cross- off |
High Tide / height (m) | 4:03PM 1.31 | 4:36AM 1.33 | 4:50PM 1.30 | 5:22AM 1.35 | 5:37PM 1.31 | 6:06AM 1.38 | ||||||||||||||||||
Low Tide / height (m) | 9:55AM 0.36 | 10:17PM 0.29 | 10:44AM 0.36 | 11:03PM 0.30 | 11:32AM 0.36 | 11:48PM 0.29 | ||||||||||||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 5:35 | - | - | - | - | - | - | - | 5:37 | - | - | - | - | - | - | - | 5:37 |
| Sunset | - | - | - | 8:30 | - | - | - | - | - | - | - | 8:30 | - | - | - | - | - | - | - | 8:30 | - | - | - | - |
 |  | | |  | |  | | | | | |  | |  |  | | | | | |  | | | |
Rain (mm) | - | - | - | - | - | - | 1 | - | - | - | - | - | 1 | 3 | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 17 | 17 | 20 | 22 | 24 | 21 | 17 | 17 | 17 | 15 | 16 | 15 | 16 | 14 | 14 | 14 | 13 | 14 | 15 | 16 | 17 | 18 | 18 | 17 |
| Feels °C (?) | 14 | 13 | 15 | 17 | 19 | 16 | 15 | 15 | 13 | 9 | 12 | 14 | 12 | 6 | 8 | 7 | 9 | 11 | 12 | 11 | 12 | 16 | 15 | 13 |
- 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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