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Surf Forecasts:
Sponge bay surfForecast / Gisborne and Mahia / New Zealand
48hr Weather and Surf, issued 12 pm Thursday 11 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
19.0° C
(Which is 1.9°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 7PM is: 0.3m 10s primary swell from a East direction (forecast issued at 12:00pm December 11). An open ocean swell of 0.7m 9s is not directed at the surf break, a second open ocean swell of 0.4m 9s is not directed at the surf break, a second open ocean swell of 1.2m 9s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (NZDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Dec) | 2.5ft (0.8m) | 11s |
| Afternoon (11 Dec) | 1ft (0.3m) | 10s |
| Evening (11 Dec) | 1ft (0.3m) | 10s |
Table - waves today at Sponge bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | |||||||||||||||||||||
| 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) (?) | 11 | 10 | 10 | 10 | 10 | 9 | 8 | 8 | 5 | 6 | 7 | 7 | 7 | 7 | 8 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 6 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 143 | 120 | 19 | 19 | 18 | 96 | 90 | 86 | 28 | 126 | 219 | 247 | 431 | 392 | 367 | 306 | 138 | 150 | 251 | 232 | 133 | 110 | 75 | 107 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- off | cross- off | cross- off | cross- off | cross- off | cross- on | on | on | on | on | on | on | on | on | on | on | on | on | on | cross- on | cross- off | cross- off |
High Tide / height (m) | 12:04PM 2.03 | 12:27AM 1.90 | 12:59PM 2.02 | 1:24AM 1.90 | 1:49PM 1.99 | 2:19AM 1.89 | ||||||||||||||||||
Low Tide / height (m) | 6:24PM 0.64 | 6:38AM 0.65 | 7:18PM 0.64 | 7:32AM 0.67 | 8:08PM 0.63 | |||||||||||||||||||
Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 5:35 | - | - | - | - | - | - | - | 5:35 | - | - | - | - | - | - | - | 5:35 |
| Sunset | - | - | - | 8:23 | - | - | - | - | - | - | - | 8:24 | - | - | - | - | - | - | - | 8:25 | - | - | - | - |
 | | | |  | |  |  |  | | | |  | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 19 | 19 | 20 | 20 | 18 | 17 | 17 | 17 | 17 | 17 | 17 | 16 | 15 | 16 | 15 | 14 | 15 | 16 | 16 | 16 | 15 | 14 | 13 | 12 |
| Feels °C (?) | 19 | 18 | 19 | 19 | 18 | 16 | 17 | 16 | 10 | 10 | 10 | 10 | 10 | 11 | 9 | 8 | 9 | 11 | 11 | 12 | 13 | 13 | 11 | 11 |
- 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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