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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 11 am Thursday 21 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 8PM is: 0.1m 12s primary swell from a Southeast direction and 0.1m 6s secondary swell from a Southeast direction (forecast issued at 11:00am May 21). An open ocean swell of 0.3m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 May) | 0.5ft (0.2m) | 12s |
| Afternoon (21 May) | 0.5ft (0.1m) | 12s |
| Evening (21 May) | 0.5ft (0.1m) | 12s |
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 17°C on Thu afternoon, min 11°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Thu 21 | Friday 22 | Saturday 23 | Sun 24 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
ESE 12 | SE 6 | SSE 6 | SSE 6 | SE 12 | SE 13 | SSE 9 | SSE 9 | SSE 9 | SE 11 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 9 | SSE 13 | SSE 13 | SSE 13 | SSE 13 | SSE 12 | SSE 12 | SSE 11 | SSE 11 | |
14 | 6 | 6 | 6 | 5 | 6 | 8 | 8 | 8 | 18 | 16 | 15 | 15 | 15 | 23 | 23 | 34 | 56 | 131 | 129 | 85 | 81 | 74 | 70 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | cross-off | off | off | cross-off | cross-off | cross-off | cross-off | on | cross-on | on | cross | cross | cross | cross | |
High Tide | 9:19AM1.95m | 9:51PM2.07m | 10:19AM1.93m | 10:53PM2.05m | 11:18AM1.90m | 11:53PM2.03m | ||||||||||||||||||
Low Tide | 3:31PM0.50m | 4:14AM0.59m | 4:32PM0.56m | 5:14AM0.62m | 5:31PM0.61m | |||||||||||||||||||
 | | |  | | |  | | | | | | | | | | |  | | | | | | | |
 | 7:07 | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:09 | — | — | — | — | — | — | — | 7:09 |
 | — | — | 5:00 | — | — | — | — | — | — | — | 4:59 | — | — | — | — | — | — | — | 4:59 | — | — | — | — | 4:58 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 12 | 16 | 17 | 15 | 14 | 13 | 13 | 12 | 13 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 14 | 15 | 14 | 14 | 13 | 13 | 12 | 11 |
9 | 13 | 13 | 12 | 11 | 10 | 10 | 10 | 11 | 13 | 12 | 12 | 10 | 10 | 10 | 10 | 12 | 13 | 12 | 12 | 11 | 11 | 10 | 10 | |
Swell 1 Height (m) Direction Period (s) | SE 6 | SE 6 | ENE 4 | ENE 5 | ENE 5 | ENE 5 | ENE 5 | ENE 5 | ENE 5 | SE 11 | SE 10 | SE 10 | SE 10 | ENE 10 | SE 10 | SE 9 | ENE 10 | SSE 13 | SSE 13 | SSE 13 | ENE 9 | ENE 9 | SSE 11 | ENE 12 |
 kJ | 7 | 6 | 2 | 5 | 5 | 5 | 2 | 3 | 3 | 18 | 16 | 15 | 15 | 18 | 23 | 23 | 41 | 56 | 131 | 129 | 49 | 47 | 74 | 140 |
Swell 2 Height (m) Direction Period (s) | ENE 4 | ENE 4 | SSE 6 | SSE 6 | SE 6 | SE 6 | SSE 9 | SSE 9 | SSE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 10 | SE 10 | ENE 10 | ENE 12 | SE 9 | ENE 10 | ENE 10 | ENE 10 | SSE 12 | SSE 12 | E 8 | SSE 11 |
| kJ | 2 | 2 | 4 | 4 | 1 | 1 | 8 | 8 | 8 | 6 | 6 | 6 | 9 | 15 | 18 | 26 | 21 | 20 | 33 | 52 | 85 | 81 | 35 | 70 |
Swell 3 Height (m) Direction Period (s) | ESE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 13 | SE 11 | SE 11 | ENE 8 | ENE 5 | E 11 | NE 11 | ENE 3 | E 13 | ENE 4 | SSE 14 | SSE 13 | SE 9 | ENE 5 | E 13 | ENE 12 | ENE 12 | ENE 12 | SSE 15 |
| kJ | 14 | 6 | 6 | 6 | 5 | 6 | 5 | 5 | 6 | 2 | 2 | 4 | 1 | 3 | 2 | 18 | 34 | 21 | 3 | 14 | 30 | 29 | 45 | 22 |
Wind waves Height (m) Direction Period (s) | NNW 3 | — | NE 5 | — | — | — | — | — | — | — | — | NE 3 | NE 3 | NE 4 | NNE 4 | — | — | — | — | — | — | — | — | SW 2 |
| kJ | 1 | — | 7 | — | — | — | — | — | — | — | — | 2 | 3 | 5 | 11 | — | — | — | — | — | — | — | — | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 42 | 36 | 110 | 36 | 36 | 19 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 3 | 3 | 1 | 0 | 19 | 36 | 10 | 3 | 3 | 1 | 1 |
Best forecast wave conditions in Gisborne and Mahia | ||||||||||||||||||||||||
Best forecast wave conditions in New Zealand | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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