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Surf Forecasts:
Happy Jacks surfForecast / Gisborne and Mahia / New Zealand
48hr Weather and Surf, issued 11 am Wednesday 20 May 2026 NZSTForecast update in hr min s Forecast update imminent
Happy Jacks surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Happy Jacks sea temperature is
15.2° C
(Which is 1.1°C colder than average for this time of year)How big are the waves at Happy Jacks today?
The current surf forecast for Happy Jacks at 6PM is: 0.6m 9s primary swell from a South-southeast direction and 0.3m 8s secondary swell from a East direction, 0.7m 4s secondary swell from a Northeast direction (forecast issued at 11:00am May 20). The wind direction is predicted to be cross-onshore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 May) | 2.5ft (0.7m) | 9s |
| Afternoon (20 May) | 2ft (0.6m) | 8s |
| Evening (20 May) | 2ft (0.6m) | 9s |
Table - waves today at Happy Jacks. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 17°C on Thu afternoon, min 10°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Wed 20 | Thursday 21 | Friday 22 | Sat 23 | |||||||||||||||||||||
9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SSE 9 | SSE 8 | SSE 8 | SSE 9 | SSE 9 | SSE 8 | SSE 8 | SSE 7 | SE 7 | NE 4 | SSE 9 | NE 5 | NE 5 | NE 5 | NE 5 | SSE 9 | NE 8 | NE 7 | SE 10 | NE 11 | NE 10 | ENE 10 | ENE 10 | ENE 11 | |
70 | 64 | 47 | 49 | 50 | 24 | 22 | 20 | 12 | 9 | 8 | 32 | 21 | 14 | 13 | 16 | 32 | 14 | 25 | 29 | 49 | 64 | 63 | 76 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross-on | cross-on | cross | cross | cross-off | cross-off | cross-off | cross | cross | cross-off | cross-off | cross-off | glassy | glassy | glassy | glassy | cross-on | cross-on | cross | cross-off | cross | cross-off | |
High Tide | 8:20AM1.83m | 8:44PM1.97m | 9:18AM1.80m | 9:41PM1.91m | 10:13AM1.75m | 10:38PM1.84m | ||||||||||||||||||
Low Tide | 2:28PM0.09m | 3:09AM0.08m | 3:26PM0.08m | 4:06AM0.07m | 4:23PM0.08m | 5:02AM0.08m | ||||||||||||||||||
 | | |  | | | | | | | | | | | | | | | | | | | | | |
 | 7:07 | — | — | — | — | — | — | 7:09 | — | — | — | — | — | — | — | 7:09 | — | — | — | — | — | — | — | 7:09 |
 | — | — | 5:00 | — | — | — | — | — | — | — | 5:00 | — | — | — | — | — | — | — | 4:59 | — | — | — | — | 4:59 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 11 | 13 | 14 | 13 | 12 | 10 | 10 | 10 | 11 | 15 | 17 | 15 | 15 | 14 | 13 | 13 | 13 | 15 | 14 | 13 | 12 | 12 | 12 | 12 |
8 | 10 | 10 | 8 | 8 | 6 | 7 | 7 | 7 | 13 | 14 | 12 | 13 | 12 | 13 | 13 | 12 | 14 | 13 | 12 | 10 | 10 | 9 | 10 | |
Swell 1 Height (m) Direction Period (s) | SSE 9 | SSE 8 | SSE 8 | SSE 9 | SSE 9 | SSE 8 | NE 4 | NE 4 | SE 7 | SSE 7 | SSE 6 | NE 5 | NE 5 | NE 5 | NE 5 | NE 5 | NE 8 | NE 7 | SE 10 | SE 10 | NE 10 | ENE 10 | ENE 10 | ENE 11 |
 kJ | 70 | 64 | 47 | 49 | 50 | 24 | 9 | 6 | 12 | 4 | 4 | 17 | 21 | 13 | 13 | 10 | 32 | 14 | 25 | 24 | 49 | 64 | 63 | 76 |
Swell 2 Height (m) Direction Period (s) | ENE 5 | E 8 | E 8 | E 8 | E 8 | E 8 | SSE 8 | SSE 7 | E 8 | E 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 8 | NE 7 | NE 11 | SE 10 | SE 9 | SE 9 | SSW 5 |
| kJ | 4 | 13 | 13 | 12 | 13 | 6 | 22 | 20 | 6 | 6 | 8 | 8 | 8 | 8 | 8 | 16 | 8 | 7 | 11 | 29 | 24 | 23 | 22 | 6 |
Swell 3 Height (m) Direction Period (s) | E 9 | E 4 | E 13 | E 13 | E 13 | E 13 | E 9 | E 9 | SSE 9 | SSE 9 | E 9 | E 8 | SSE 13 | SSE 12 | NE 9 | ENE 8 | SSE 11 | SSE 11 | ENE 9 | NE 7 | E 11 | SSW 5 | SSW 5 | SE 9 |
| kJ | 13 | 2 | 14 | 14 | 14 | 13 | 6 | 6 | 8 | 8 | 6 | 6 | 17 | 14 | 3 | 7 | 12 | 11 | 7 | 11 | 2 | 3 | 6 | 13 |
Wind waves Height (m) Direction Period (s) | — | NE 2 | NE 3 | NE 4 | NE 4 | NE 4 | NNE 4 | NNW 3 | NE 4 | NE 4 | NE 4 | NE 5 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 1 | 4 | 15 | 24 | 18 | 16 | 1 | 6 | 9 | 7 | 32 | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 10 | 10 | 10 | 10 | 11 | 44 | 0 | 17 | 87 | 280 | 162 | 0 | 0 | 15 | 15 | 15 | 0 | 15 | 276 | 44 | 44 | 0 | 44 | 0 |
Best forecast wave conditions in Gisborne and Mahia | ||||||||||||||||||||||||
Best forecast wave conditions in New Zealand | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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