Using Surf-Forecast’s Historical Surf Data To Find The Most Consistent Waves On Earth
Using our statistical data for 7000 spots dating back to 2006, we can find those waves that break the most, with the best winds.
Surf Forecasts:
Sponge bay surfForecast / Gisborne and Mahia / New Zealand
48hr Weather and Surf, issued 6 am Saturday 03 Jan 2026 NZDTForecast update in hr min s Forecast update imminent
Sponge bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Sponge bay sea temperature is
19.0° C
(Which is slightly warmer than usual)How big are the waves at Sponge bay today?
The current surf forecast for Sponge bay at 10AM is: 0.6m 8s primary swell from a East direction and 0.1m 7s secondary swell from a Southeast direction, 0.4m 3s secondary swell from a Southeast direction (forecast issued at 06:00am January 03). The wind direction is predicted to be cross-onshore.
| Time (NZDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (03 Jan) | 2ft (0.6m) | 8s |
| Afternoon (03 Jan) | 2ft (0.6m) | 4s |
| Evening (03 Jan) | 2.5ft (0.8m) | 5s |
Table - waves today at Sponge bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 03 | Sunday 04 | Monday 05 | Tue 06 | |||||||||||||||||||||
| 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 | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 8 | 8 | 4 | 4 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 46 | 50 | 49 | 7 | 19 | 22 | 32 | 46 | 66 | 65 | 67 | 86 | 112 | 112 | 57 | 44 | 45 | 38 | 40 | 46 | 49 | 53 | 62 | 53 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- on | on | on | on | cross- on | on | on | on | on | on | on | on | cross- on | cross- off | cross- off | glass | cross | cross- off | cross- off | cross- off | off |
High Tide / height (m) | 5:49AM 1.91 | 6:20PM 1.85 | 6:59AM 1.94 | 7:25PM 1.86 | 8:03AM 1.99 | 8:27PM 1.89 | ||||||||||||||||||
Low Tide / height (m) | 12:08PM 0.57 | 12:37AM 0.43 | 1:20PM 0.59 | 1:38AM 0.45 | 2:27PM 0.58 | |||||||||||||||||||
Saturday 03 | Sunday 04 | Monday 05 | Tue 06 | |||||||||||||||||||||
| Sunrise | - | 5:47 | - | - | - | - | - | - | - | 5:48 | - | - | - | - | - | - | - | 5:48 | - | - | - | - | - | - |
| Sunset | - | - | - | - | - | 8:35 | - | - | - | - | - | - | - | 8:35 | - | - | - | - | - | - | - | 8:35 | - | - |
 |  |  |  | | |  |  | | | | | |  | |  | | | | | | | |  | |
Rain (mm) | - | - | - | 1 | 5 | 2 | 3 | 8 | 6 | 3 | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 17 | 17 | 18 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 16 | 14 | 13 | 14 | 16 | 17 | 18 | 18 | 17 | 16 |
| Feels °C (?) | 17 | 17 | 16 | 14 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 14 | 14 | 13 | 12 | 13 | 16 | 15 | 15 | 15 | 15 | 15 |
- 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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