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Surf Forecasts:
Mahia Spit surfForecast / Gisborne and Mahia / New Zealand
48hr Weather and Surf, issued 5 am Saturday 16 May 2026 NZSTForecast update in hr min s Forecast update imminent
Mahia Spit surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Mahia Spit sea temperature is
15.9° C
(Which is normal for this time of year)How big are the waves at Mahia Spit today?
The current surf forecast for Mahia Spit at 9AM is: 0.5m 11s primary swell from a East direction (forecast issued at 05:00am May 16). An open ocean swell of 1.4m 13s is not directed at the surf break, a second open ocean swell of 1.0m 5s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 May) | 1.5ft (0.5m) | 11s |
| Afternoon (16 May) | 2ft (0.6m) | 11s |
| Evening (16 May) | 1.5ft (0.5m) | 10s |
Table - waves today at Mahia Spit. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 9mm), mostly falling on Sat night. Very mild (max 14°C on Sun morning, min 11°C on Sat morning). Winds decreasing (fresh winds from the SSW on Sat afternoon, calm by Mon afternoon). | ||||||||||||||||||||||||
Saturday 16 | Sunday 17 | Monday 18 | Tue 19 | |||||||||||||||||||||
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 | 9 PM | 12 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
E 11 | E 11 | E 11 | E 11 | ENE 11 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | E 10 | E 10 | E 10 | ENE 9 | ENE 9 | SE 6 | SE 6 | E 10 | |
59 | 59 | 58 | 57 | 90 | 56 | 55 | 53 | 52 | 52 | 51 | 51 | 33 | 33 | 32 | 31 | 30 | 29 | 29 | 29 | 29 | 70 | 66 | 31 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | off | off | 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-off | cross | glassy | off | glassy | glassy | cross-off | |
High Tide | 4:37AM1.52m | 5:10PM1.57m | 5:32AM1.56m | 6:05PM1.65m | 6:28AM1.60m | 7:01PM1.71m | ||||||||||||||||||
Low Tide | 10:54AM0.07m | 11:25PM0.11m | 11:49AM0.02m | 00:23AM0.06m | 12:44PM-0.01m | |||||||||||||||||||
 | |  | |  | |  | | | |  |  |  | | | |  | | | | |  | | | |
 | — | 7:03 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | 7:07 |
 | — | — | — | — | 5:02 | — | — | — | — | — | — | — | 5:02 | — | — | — | — | — | — | — | 5:01 | — | — | 5:00 |
— | — | — | — | — | — | 1 | — | 1 | 1 | 1 | 1 | — | — | — | — | 1 | 1 | 1 | 1 | — | — | — | — | |
Temp °C | 11 | 12 | 12 | 11 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 14 | 14 | 13 | 14 | 13 | 13 | 13 | 14 | 13 | 13 | 13 | 14 | 13 |
6 | 7 | 7 | 5 | 6 | 6 | 7 | 8 | 8 | 8 | 8 | 9 | 9 | 8 | 9 | 9 | 10 | 11 | 12 | 12 | 11 | 12 | 13 | 11 | |
Swell 1 Height (m) Direction Period (s) | S 13 | SSE 13 | SSE 13 | SSE 12 | E 11 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | SSE 11 | S 11 | SSE 11 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 9 | SSE 9 | SE 6 | SE 6 | SE 10 |
 kJ | 1032 | 690 | 659 | 537 | 57 | 56 | 55 | 53 | 52 | 52 | 51 | 205 | 191 | 156 | 147 | 139 | 331 | 281 | 269 | 212 | 203 | 70 | 66 | 211 |
Swell 2 Height (m) Direction Period (s) | E 11 | E 11 | E 11 | E 11 | ENE 11 | S 22 | S 22 | 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 | ENE 9 | S 9 | SSE 9 | E 10 |
| kJ | 59 | 59 | 58 | 57 | 90 | 9 | 9 | 16 | 7 | 4 | 11 | 51 | 33 | 33 | 32 | 149 | 131 | 83 | 29 | 29 | 29 | 83 | 68 | 31 |
Swell 3 Height (m) Direction Period (s) | — | — | — | SSE 16 | — | — | — | — | — | S 20 | — | S 22 | S 21 | S 16 | SSE 16 | ENE 10 | E 10 | E 10 | SSE 15 | S 15 | S 14 | ENE 10 | ENE 10 | E 14 |
| kJ | — | — | — | 26 | — | — | — | — | — | 7 | — | 9 | 36 | 45 | 86 | 31 | 30 | 29 | 77 | 38 | 16 | 30 | 31 | 4 |
Wind waves Height (m) Direction Period (s) | — | S 5 | S 5 | S 5 | S 12 | S 12 | S 12 | S 12 | SSE 12 | SSE 12 | SSE 11 | SSE 6 | SSE 7 | SSE 6 | SSE 6 | SSE 7 | — | — | — | — | — | — | — | — |
| kJ | — | 34 | 48 | 65 | 855 | 827 | 722 | 639 | 647 | 636 | 637 | 149 | 165 | 160 | 113 | 116 | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 2 | 3 | 101 | 160 | 2 | 2 | 2 | 42 | 86 | 101 | 160 | 160 | 102 | 89 | 2 | 2 | 2 | 2 | 2 | 2 | 0 | 0 | 2 |
Best forecast wave conditions in Gisborne and Mahia | ||||||||||||||||||||||||
Best forecast wave conditions in New Zealand | ||||||||||||||||||||||||
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