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Sponge bay Surf Forecast
/ Gisborne and Mahia (37 surf breaks) /
Surf Forecasts:
Sponge bay surfForecast / Gisborne and Mahia / New Zealand
48hr Weather and Surf, issued 6 pm Friday 05 Dec 2025 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
18.4° C
(Which is 1.6°C warmer than normal for this time of year)How big are the waves at Sponge bay today?
The current surf forecast for Sponge bay at 11PM is: 1.3m 11s primary swell from a Southeast direction and 0.1m 16s secondary swell from a East direction (forecast issued at 06:00pm December 05). An open ocean swell of 0.5m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (NZDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (05 Dec) | - | - |
| Afternoon (05 Dec) | 6ft (1.8m) | 12s |
| Evening (05 Dec) | 4.5ft (1.4m) | 11s |
Table - waves today at Sponge bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 05 | Saturday 06 | Sunday 07 | Monday 08 | |||||||||||||||||||||
| 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 | 10 AM | 1 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 13 | 13 | 13 | 13 | 12 | 12 | 11 | 9 | 10 | 10 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 794 | 611 | 479 | 375 | 286 | 226 | 167 | 167 | 120 | 96 | 79 | 77 | 60 | 98 | 129 | 129 | 129 | 86 | 47 | 42 | 35 | 36 | 37 | 38 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | glass | glass | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 6:35PM 1.97 | 7:09AM 2.05 | 7:33PM 1.96 | 8:08AM 2.06 | 8:33PM 1.94 | 9:08AM 2.06 | ||||||||||||||||||
Low Tide / height (m) | 12:53AM 0.33 | 1:26PM 0.48 | 1:49AM 0.37 | 2:30PM 0.52 | 2:46AM 0.43 | |||||||||||||||||||
Friday 05 | Saturday 06 | Sunday 07 | Monday 08 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 5:35 | - | - | - | - | - | - | - | 5:35 | - | - | - | - | - | - | - | 5:35 | - | - |
| Sunset | - | 8:19 | - | - | - | - | - | - | - | 8:20 | - | - | - | - | - | - | - | 8:21 | - | - | - | - | - | - |
 | |  | | | | |  |  | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 18 | 19 | 17 | 17 | 18 | 20 | 28 | 26 | 27 | 23 | 21 | 20 | 19 | 18 | 23 | 23 | 21 | 20 | 19 | 20 | 19 | 20 | 26 | 29 |
| Feels °C (?) | 14 | 16 | 15 | 14 | 15 | 16 | 24 | 22 | 24 | 22 | 20 | 18 | 17 | 16 | 21 | 20 | 20 | 21 | 19 | 18 | 17 | 18 | 24 | 26 |
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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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