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Surf Forecasts:
Happy Jacks surfForecast / Gisborne and Mahia / New Zealand
48hr Weather and Surf, issued 5 am Thursday 21 Aug 2025 NZST
How big are the waves at Happy Jacks today?
The current surf forecast for Happy Jacks at 8AM is: 3.0m 9s primary swell from a South-southeast direction (forecast issued at 05:00am August 21). An open ocean swell of 0.3m 16s is not directed at the surf break, a second open ocean swell of 0.3m 19s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 10ft (3.0m) | 9s |
| Afternoon (21 Aug) | 8ft (2.4m) | 9s |
| Evening (21 Aug) | 4ft (1.2m) | 16s |
Table - waves today at Happy Jacks. (Swell directed towards the surf break)
Thursday 21 | Friday 22 | Saturday 23 | Sun 24 | |||||||||||||||||||||
| 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 9 | 9 | 9 | 9 | 9 | 9 | 16 | 16 | 15 | 14 | 14 | 14 | 13 | 13 | 12 | 12 | 11 | 11 | 10 | 10 | 14 | 13 | 13 | 18 |
Wave (?)Graph  | ||||||||||||||||||||||||
| Energy (?) | 1596 | 1440 | 1235 | 1124 | 1231 | 1274 | 1520 | 1226 | 1236 | 998 | 1100 | 1053 | 1329 | 2654 | 951 | 786 | 700 | 686 | 557 | 528 | 578 | 729 | 653 | 418 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | 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- off | cross | cross- off | cross- off | off | off | off | cross- off | cross | glass | cross | cross |
High Tide / height (m) | 3:23AM 1.62 | 3:50PM 1.74 | 4:18AM 1.60 | 4:44PM 1.72 | 5:12AM 1.58 | 5:37PM 1.71 | ||||||||||||||||||
Low Tide / height (m) | 9:36AM 0.23 | 10:12PM 0.23 | 10:32AM 0.21 | 11:06PM 0.23 | 11:24AM 0.20 | 11:58PM 0.23 | ||||||||||||||||||
Thursday 21 | Friday 22 | Saturday 23 | Sun 24 | |||||||||||||||||||||
| Sunrise | - | - | 6:47 | - | - | - | - | - | - | - | 6:46 | - | - | - | - | - | - | - | 6:45 | - | - | - | - | - |
| Sunset | - | - | - | - | 5:36 | - | - | - | - | - | - | - | 5:36 | - | - | - | - | - | - | - | 5:37 | - | - | - |
 | |  |  |  | |  | | | | | | | | |  |  | |  | | | | | | |
Rain (mm) | 1 | 1 | 1 | - | - | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | - | - | - | - | - | - | - | - | - |
| Temp. °C | 11 | 10 | 10 | 11 | 11 | 10 | 10 | 10 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 9 | 7 | 7 | 8 | 10 | 10 | 9 | 9 | 8 |
| Feels °C (?) | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 3 | 4 | 5 | 5 | 5 | 5 | 6 | 5 | 3 | 3 | 5 | 7 | 8 | 7 | 6 | 5 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for Gisborne and Mahia
The wind is still cross-off at Happy Jacks (moderate winds from the SW at Mahia Automatic Weather Station 13 km from Happy Jacks). 3.3m 9s swell from the S which is too big for here.
Actual: 55 min ago
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