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Surf Forecasts:
Happy Jacks surfForecast / Gisborne and Mahia / New Zealand
48hr Weather and Surf, issued 11 pm Saturday 16 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
15.6° C
(Which is slightly cooler than normal)How big are the waves at Happy Jacks today?
The current surf forecast for Happy Jacks at 7AM is: 1.6m 12s primary swell from a South-southeast direction and 0.5m 10s secondary swell from a East direction, 0.1m 10s secondary swell from a Northeast direction (forecast issued at 11:00pm May 16). The wind direction is predicted to be cross-onshore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 May) | 5ft (1.6m) | 11s |
| Afternoon (17 May) | 3ft (0.9m) | 11s |
| Evening (17 May) | 3ft (0.9m) | 10s |
Table - waves today at Happy Jacks. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 11mm), heaviest on Sat night. Very mild (max 14°C on Sun night, min 11°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 17 | Monday 18 | Tuesday 19 | ||||||||||||||||||||||
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 | 9 AM | 12 PM | 3 PM | 6 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
S 12 | S 12 | SSE 12 | SSE 12 | SSE 11 | S 11 | S 11 | SSE 7 | SSE 10 | S 17 | SSE 10 | SSE 10 | SSE 10 | SSE 9 | SE 7 | S 9 | SE 6 | SSE 10 | SSE 10 | SE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 9 | |
347 | 723 | 647 | 636 | 637 | 202 | 191 | 153 | 184 | 149 | 331 | 402 | 290 | 266 | 85 | 83 | 109 | 371 | 102 | 250 | 200 | 148 | 145 | 113 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross | cross | cross-on | cross-on | cross | cross | cross | cross-off | cross | cross-on | cross-on | cross | off | cross-off | glassy | glassy | cross-off | cross-off | cross-off | cross | cross-on | cross-on | |
High Tide | 5:26AM1.80m | 5:54PM1.91m | 6:24AM1.83m | 6:51PM1.97m | 7:22AM1.84m | |||||||||||||||||||
Low Tide | 11:16PM0.22m | 11:41AM0.21m | 00:13AM0.18m | 12:37PM0.16m | 1:11AM0.14m | 1:32PM0.13m | ||||||||||||||||||
 | | | |  |  |  |  | | | |  | | | |  | | |  | | | | | | |
 | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:07 | — | — | — | — |
 | — | — | — | — | — | — | 5:02 | — | — | — | — | — | — | — | 5:01 | — | — | — | — | — | — | — | 5:00 | — |
1 | 1 | 1 | 1 | 1 | 1 | — | — | — | — | 1 | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | |
Temp °C | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 13 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 12 | 11 | 12 | 13 | 13 | 12 |
8 | 8 | 9 | 9 | 9 | 8 | 8 | 9 | 10 | 9 | 11 | 12 | 12 | 11 | 11 | 12 | 12 | 12 | 10 | 9 | 10 | 11 | 12 | 10 | |
Swell 1 Height (m) Direction Period (s) | S 12 | E 10 | E 10 | E 10 | E 10 | S 11 | S 11 | SSE 11 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 9 | SE 7 | SE 6 | SE 6 | SE 6 | SE 6 | SE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 9 |
 kJ | 347 | 53 | 52 | 52 | 51 | 202 | 191 | 153 | 184 | 139 | 331 | 325 | 290 | 266 | 85 | 68 | 74 | 80 | 66 | 250 | 200 | 148 | 145 | 113 |
Swell 2 Height (m) Direction Period (s) | E 10 | SW 20 | S 19 | NE 10 | S 24 | E 10 | ENE 10 | ENE 10 | ENE 10 | S 17 | S 16 | SSE 16 | E 10 | ENE 9 | S 9 | S 9 | SSE 9 | SSE 10 | SSE 10 | E 10 | ENE 5 | ENE 5 | ENE 5 | ENE 5 |
| kJ | 55 | 16 | 7 | 4 | 11 | 51 | 33 | 33 | 32 | 149 | 131 | 83 | 29 | 29 | 61 | 83 | 68 | 72 | 102 | 30 | 8 | 8 | 8 | 8 |
Swell 3 Height (m) Direction Period (s) | S 22 | — | SW 20 | S 20 | — | S 22 | S 21 | S 16 | SSE 16 | ENE 10 | E 10 | E 10 | SSE 15 | S 15 | ENE 9 | E 10 | E 10 | E 10 | E 10 | E 13 | E 10 | ENE 10 | E 9 | E 9 |
| kJ | 9 | — | 15 | 7 | — | 9 | 36 | 45 | 86 | 31 | 30 | 29 | 77 | 38 | 29 | 28 | 30 | 31 | 31 | 3 | 30 | 31 | 28 | 15 |
Wind waves Height (m) Direction Period (s) | S 6 | S 12 | SSE 12 | SSE 12 | SSE 11 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | — | SSE 10 | — | — | — | — | SE 6 | SSE 10 | — | — | — | — | — | — |
| kJ | 109 | 723 | 647 | 636 | 637 | 175 | 170 | 142 | 116 | 107 | — | 402 | — | — | — | — | 109 | 371 | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 11 | 11 | 90 | 99 | 100 | 150 | 150 | 105 | 90 | 11 | 7 | 7 | 9 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 7 | 7 |
Best forecast wave conditions in Gisborne and Mahia | ||||||||||||||||||||||||
Best forecast wave conditions in New Zealand | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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