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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 pm Monday 18 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 1.0°C colder than average for this time of year)How big are the waves at Sponge bay today?
The current surf forecast for Sponge bay at 12AM is: 0.8m 6s primary swell from a Southeast direction and 0.4m 10s secondary swell from a South-southeast direction (forecast issued at 05:00pm May 18). The wind direction is predicted to be cross-shore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 May) | - | - |
| Afternoon (19 May) | 3ft (0.9m) | 6s |
| Evening (19 May) | 3ft (0.9m) | 6s |
Table - waves today at Sponge bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 4mm), mostly falling on Mon afternoon. Very mild (max 15°C on Wed afternoon, min 10°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Mon 18 | Tuesday 19 | Wednesday 20 | Thu 21 | |||||||||||||||||||||
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 | 9 AM | 12 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 10 | SE 9 | ESE 9 | SE 9 | SE 9 | SE 7 | ESE 12 | ESE 12 | SE 6 | |
56 | 56 | 49 | 40 | 83 | 56 | 49 | 47 | 37 | 31 | 22 | 81 | 40 | 40 | 41 | 45 | 36 | 50 | 27 | 19 | 7 | 15 | 14 | 6 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | cross-on | cross | glassy | cross-on | glassy | glassy | cross | cross-off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | glassy | |
High Tide | 6:55PM2.10m | 7:17AM2.00m | 7:52PM2.11m | 8:17AM1.97m | 8:51PM2.09m | 9:19AM1.95m | ||||||||||||||||||
Low Tide | 12:39PM0.34m | 1:12AM0.47m | 1:34PM0.37m | 2:14AM0.50m | 2:30PM0.43m | 3:15AM0.54m | ||||||||||||||||||
 |  |  | | | |  | | | | |  | | |  | | | | | | | | | | |
 | — | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:07 | — | — |
 | 5:01 | — | — | — | — | — | — | — | 5:01 | — | — | — | — | — | — | — | 5:00 | — | — | — | — | — | — | 5:00 |
1 | 1 | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 14 | 14 | 13 | 12 | 12 | 13 | 13 | 14 | 14 | 13 | 13 | 12 | 11 | 10 | 11 | 13 | 15 | 13 | 12 | 11 | 10 | 10 | 11 | 15 |
11 | 12 | 12 | 11 | 12 | 12 | 12 | 13 | 12 | 12 | 11 | 10 | 9 | 8 | 9 | 10 | 11 | 10 | 9 | 8 | 6 | 6 | 8 | 13 | |
Swell 1 Height (m) Direction Period (s) | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | ESE 6 | SE 9 | SE 9 | SE 9 | SE 9 | SE 10 | SE 9 | ESE 9 | SE 9 | SE 9 | SE 7 | SE 7 | SE 6 | SE 6 |
 kJ | 56 | 56 | 49 | 40 | 49 | 56 | 49 | 47 | 32 | 31 | 20 | 81 | 40 | 40 | 41 | 45 | 36 | 50 | 27 | 19 | 7 | 7 | 7 | 6 |
Swell 2 Height (m) Direction Period (s) | SSE 9 | SSE 9 | SSE 9 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SE 10 | SE 9 | E 9 | E 5 | E 5 | E 5 | E 8 | ENE 5 | E 8 | ENE 4 | ENE 4 | ENE 4 | ENE 4 | ENE 4 | ENE 4 |
| kJ | 34 | 33 | 34 | 36 | 39 | 39 | 38 | 38 | 37 | 23 | 22 | 14 | 8 | 4 | 4 | 6 | 2 | 6 | 3 | 3 | 3 | 4 | 2 | 2 |
Swell 3 Height (m) Direction Period (s) | E 9 | E 10 | E 9 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | SSE 12 | E 9 | E 9 | E 9 | E 5 | E 8 | ESE 13 | E 8 | E 8 | SSE 9 | ESE 12 | ESE 12 | SE 12 |
| kJ | 15 | 16 | 16 | 17 | 17 | 16 | 17 | 16 | 15 | 15 | 15 | 14 | 6 | 6 | 6 | 2 | 6 | 17 | 6 | 6 | 7 | 15 | 14 | 6 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | SE 6 | ESE 6 | E 5 | — | — | — | — | — | — | — | — | — | ENE 5 | NE 3 | NE 4 | NE 4 | NNW 3 | — | — | NE 4 |
| kJ | — | — | — | — | 83 | 43 | 25 | — | — | — | — | — | — | — | — | — | 8 | 5 | 9 | 10 | 1 | — | — | 4 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 10 | 10 | 1 | 1 | 0 | 4 | 0 | 0 | 44 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 8 | 1 | 3 | 9 | 36 | 50 | 36 | 36 |
Best forecast wave conditions in Gisborne and Mahia | ||||||||||||||||||||||||
Best forecast wave conditions in New Zealand | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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