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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 12 am Thursday 04 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
18.3° 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 5AM is: 1.3m 7s primary swell from a South direction and 0.4m 9s secondary swell from a East direction (forecast issued at 12:00am December 04). An open ocean swell of 0.2m 6s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (NZDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 Dec) | 11ft (3.5m) | 10s |
| Afternoon (04 Dec) | 10ft (3.0m) | 12s |
| Evening (04 Dec) | 15ft (4.5m) | 12s |
Table - waves today at Sponge bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 04 | Friday 05 | Saturday 06 | ||||||||||||||||||||||
| 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 | 4 PM | 7 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 5 | 5 | 7 | 8 | 10 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 49 | 61 | 149 | 1208 | 3087 | 2003 | 5354 | 5650 | 6450 | 2083 | 1688 | 1344 | 1064 | 961 | 794 | 563 | 488 | 382 | 286 | 204 | 163 | 117 | 117 | 102 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | cross- on | cross- on | cross- off | cross- off | cross- off | cross | cross | cross- off | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross |
High Tide / height (m) | 5:15AM 2.01 | 5:39PM 1.98 | 6:10AM 2.03 | 6:35PM 1.97 | 7:09AM 2.05 | |||||||||||||||||||
Low Tide / height (m) | 11:04PM 0.34 | 11:27AM 0.45 | 11:57PM 0.32 | 12:24PM 0.45 | 12:53AM 0.33 | 1:26PM 0.48 | ||||||||||||||||||
Thursday 04 | Friday 05 | Saturday 06 | ||||||||||||||||||||||
| Sunrise | - | - | - | 5:35 | - | - | - | - | - | - | - | 5:35 | - | - | - | - | - | - | - | 5:35 | - | - | - | - |
| Sunset | - | - | - | - | - | - | - | 8:17 | - | - | - | - | - | - | - | 8:19 | - | - | - | - | - | - | - | 8:20 |
 |  |  |  |  | | |  |  | | |  | | | | | | | | | | | | | |
Rain (mm) | 10 | 4 | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 15 | 15 | 14 | 13 | 14 | 17 | 17 | 17 | 14 | 12 | 12 | 12 | 16 | 17 | 18 | 18 | 17 | 17 | 18 | 20 | 28 | 27 | 22 | 21 |
| Feels °C (?) | 14 | 12 | 7 | 6 | 6 | 9 | 9 | 12 | 11 | 10 | 10 | 9 | 14 | 14 | 14 | 15 | 15 | 14 | 15 | 17 | 25 | 24 | 19 | 19 |
- 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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