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Surf Forecasts:
Sponge bay surfForecast / Gisborne and Mahia / New Zealand
48hr Weather and Surf, issued 12 pm Sunday 14 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
18.9° C
(Which is 1.7°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 3PM is: 0.8m 6s primary swell from a Southeast direction and 0.3m 7s secondary swell from a East direction (forecast issued at 12:00pm December 14). An open ocean swell of 0.5m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (NZDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Dec) | 3ft (0.9m) | 7s |
| Afternoon (14 Dec) | 2.5ft (0.8m) | 6s |
| Evening (14 Dec) | 2ft (0.6m) | 7s |
Table - waves today at Sponge bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 14 | Monday 15 | Tuesday 16 | Wednesday 17 | |||||||||||||||||||||
| 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) (?) | 7 | 6 | 6 | 6 | 7 | 6 | 6 | 7 | 7 | 7 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 11 | 10 | 10 | 11 | 11 | 11 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 77 | 56 | 49 | 40 | 29 | 19 | 19 | 21 | 11 | 11 | 12 | 12 | 11 | 18 | 18 | 18 | 16 | 11 | 16 | 16 | 11 | 18 | 18 | 17 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross | cross- off | cross- off | off | off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | off | cross- off | cross- off | cross- off | cross- off | cross | cross |
High Tide / height (m) | 2:35PM 1.95 | 3:08AM 1.87 | 3:18PM 1.90 | 3:52AM 1.84 | 4:00PM 1.84 | 4:32AM 1.80 | ||||||||||||||||||
Low Tide / height (m) | 8:23AM 0.69 | 8:53PM 0.62 | 9:12AM 0.71 | 9:36PM 0.62 | 9:58AM 0.72 | 10:16PM 0.62 | ||||||||||||||||||
Sunday 14 | Monday 15 | Tuesday 16 | Wednesday 17 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 5:35 | - | - | - | - | - | - | - | 5:37 | - | - | - | - | - | - | - | 5:37 |
| Sunset | - | - | - | 8:27 | - | - | - | - | - | - | - | 8:27 | - | - | - | - | - | - | - | 8:28 | - | - | - | - |
 | | | |  | | | | | | | | | | |  | | | | |  | |  | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - |
| Temp. °C | 15 | 16 | 16 | 16 | 15 | 14 | 13 | 13 | 18 | 20 | 22 | 22 | 17 | 15 | 15 | 16 | 21 | 24 | 24 | 22 | 19 | 19 | 18 | 16 |
| Feels °C (?) | 13 | 13 | 11 | 11 | 12 | 11 | 10 | 10 | 15 | 14 | 16 | 18 | 12 | 11 | 12 | 13 | 18 | 21 | 19 | 18 | 16 | 18 | 19 | 13 |
- Map Icons:
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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