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Sponge bay Surf Forecast
/ Gisborne and Mahia (37 surf breaks) /
Surf Forecasts:
Sponge bay surfForecast / Gisborne and Mahia / New Zealand
48hr Weather and Surf, issued 5 am Wednesday 20 May 2026 NZSTForecast 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
15.6° C
(Which is slightly cooler than normal)How big are the waves at Sponge bay today?
The current surf forecast for Sponge bay at 11AM is: 0.5m 9s primary swell from a Southeast direction and 0.2m 8s secondary swell from a East direction (forecast issued at 05:00am May 20). An open ocean swell of 0.3m 2s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 May) | 1.5ft (0.5m) | 9s |
| Afternoon (20 May) | 1.5ft (0.5m) | 9s |
| Evening (20 May) | 1.5ft (0.4m) | 9s |
Table - waves today at Sponge bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 18°C on Thu afternoon, min 10°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Wednesday 20 | Thursday 21 | Friday 22 | Sat 23 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
SE 9 | SE 9 | SE 9 | SE 10 | SE 9 | SE 9 | SE 9 | SE 7 | SE 7 | SE 7 | ESE 12 | SE 6 | SSE 6 | SSE 6 | SE 12 | SE 13 | SSE 9 | SSE 9 | SSE 9 | SSE 11 | SE 10 | SE 10 | SE 10 | SE 10 | |
65 | 40 | 41 | 45 | 36 | 27 | 27 | 11 | 7 | 7 | 14 | 6 | 6 | 6 | 5 | 6 | 8 | 8 | 8 | 11 | 16 | 15 | 15 | 14 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | cross-on | glassy | cross-off | cross-off | |
High Tide | 8:17AM1.97m | 8:51PM2.09m | 9:19AM1.95m | 9:51PM2.07m | 10:19AM1.93m | 10:53PM2.05m | ||||||||||||||||||
Low Tide | 2:14AM0.50m | 2:30PM0.43m | 3:15AM0.54m | 3:31PM0.50m | 4:14AM0.59m | 4:32PM0.56m | ||||||||||||||||||
 | |  | | | | | | | | | | | | | |  | | | | | | | | |
 | — | 7:05 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | 7:09 |
 | — | — | — | — | 5:00 | — | — | — | — | — | — | — | 5:00 | — | — | — | — | — | — | — | 4:59 | — | — | 4:59 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 11 | 11 | 11 | 13 | 15 | 13 | 11 | 10 | 10 | 10 | 11 | 16 | 18 | 15 | 13 | 14 | 13 | 12 | 13 | 14 | 14 | 13 | 12 | 12 |
9 | 9 | 8 | 10 | 11 | 9 | 8 | 6 | 7 | 6 | 7 | 13 | 15 | 12 | 10 | 11 | 10 | 10 | 11 | 14 | 13 | 12 | 10 | 9 | |
Swell 1 Height (m) Direction Period (s) | SE 9 | SE 9 | SE 9 | SE 10 | SE 9 | SE 9 | SE 9 | ENE 4 | SE 7 | SE 7 | SE 6 | SE 6 | ENE 4 | NE 4 | ENE 5 | ENE 5 | ENE 5 | ENE 5 | ENE 8 | ENE 8 | SE 10 | SE 10 | SE 10 | SE 10 |
 kJ | 65 | 40 | 41 | 45 | 36 | 27 | 27 | 3 | 7 | 7 | 6 | 6 | 2 | 5 | 9 | 5 | 2 | 3 | 6 | 6 | 16 | 15 | 15 | 14 |
Swell 2 Height (m) Direction Period (s) | E 9 | E 5 | E 5 | E 8 | E 4 | E 8 | ENE 4 | SE 7 | ENE 4 | ENE 4 | ENE 4 | ENE 4 | SSE 6 | SSE 6 | SE 6 | SE 6 | SSE 9 | SSE 9 | SSE 9 | SSE 11 | ENE 8 | ENE 8 | ENE 10 | ENE 10 |
| kJ | 6 | 4 | 4 | 6 | 2 | 6 | 3 | 11 | 3 | 2 | 2 | 2 | 4 | 4 | 1 | 1 | 8 | 8 | 8 | 11 | 7 | 6 | 9 | 18 |
Swell 3 Height (m) Direction Period (s) | SSE 11 | E 9 | E 9 | E 4 | E 8 | ESE 13 | E 8 | SSE 9 | SSE 9 | E 8 | ESE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 13 | SE 11 | ENE 8 | SE 11 | SE 8 | E 11 | NE 11 | E 11 | — |
| kJ | 13 | 6 | 6 | 2 | 6 | 17 | 6 | 7 | 7 | 6 | 14 | 6 | 6 | 6 | 5 | 6 | 5 | 6 | 5 | 2 | 2 | 4 | 2 | — |
Wind waves Height (m) Direction Period (s) | — | — | — | NE 2 | NE 2 | ENE 3 | NE 4 | NNW 3 | — | — | — | — | NE 4 | NE 5 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 1 | 1 | 1 | 12 | 1 | — | — | — | — | 11 | 21 | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 1 | 1 | 1 | 8 | 8 | 3 | 36 | 36 | 37 | 50 | 36 | 126 | 36 | 36 | 19 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
Best forecast wave conditions in Gisborne and Mahia | ||||||||||||||||||||||||
Best forecast wave conditions in New Zealand | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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