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Sponge bay Surf Forecast
/ Gisborne and Mahia (37 surf breaks) /
Surf Forecasts:
Sponge bay surfForecast / Gisborne and Mahia / New Zealand
16 Day Weather and Surf, issued 11 pm Monday 11 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
16.2° C
(Which is slightly cooler than normal)Best Forecast Surf Conditions for Sponge bay this week:
The surf forecast for Sponge bay over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (May 12) at 3AM. The primary swell is predicted to be 1.6m and 14s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Sponge bay in the next 16 days are 2.5m 14s and forecast to arrive on Thursday (May 14) at 3AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 10s period and expected on Tuesday (May 12) at 3AM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3AM (Tue 12th May) | 5ft (1.6m) 14s |
| Best Surf | 3AM (Tue 12th May) | 5ft (1.6m) 14s |
| Most Powerful | 3AM (Thu 14th May) | 8ft (2.5m) 14s |
Table - best surf conditions forecast for Sponge bay over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 8mm), mostly falling on Tue night. Very mild (max 16°C on Tue morning, min 10°C on Mon night). Winds increasing (light winds from the WSW on Tue night, fresh winds from the SSW by Wed afternoon). | Days 5-7 Weather SummarySome drizzle, heaviest during Thu night. Very mild (max 14°C on Fri morning, min 11°C on Sat morning). Wind will be generally light. | ||||||||||||||||||||
Tuesday 12 | Wednesday 13 | Thursday 14 | Friday 15 | Saturday 16 | Sunday 17 | Mon 18 | |||||||||||||||
Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
SSE 14 | SSE 13 | SSE 13 | SSE 16 | SSE 15 | SSE 14 | S 13 | SSE 13 | SSE 12 | S 10 | SSW 10 | SSE 9 | SSE 14 | SSE 13 | SSE 12 | SSE 12 | SSE 12 | SSE 11 | SE 10 | SE 6 | SE 9 | |
1122 | 586 | 408 | 366 | 706 | 557 | 2494 | 1206 | 440 | 780 | 399 | 222 | 612 | 414 | 365 | 174 | 235 | 149 | 98 | 39 | 29 | |
Wind (km/h) | |||||||||||||||||||||
cross-off | off | off | cross | on | cross-on | on | on | on | cross-on | cross-on | on | cross-on | cross-on | cross-on | on | on | on | cross-on | on | cross-on | |
High Tide | 1:26AM1.85m | 1:50PM1.77m | 2:13AM1.88m | 2:40PM1.83m | 3:00AM1.92m | 3:29PM1.90m | 3:49AM1.95m | 4:17PM1.97m | 4:39AM1.99m | 5:07PM2.04m | 5:30AM2.01m | 6:00PM2.08m | 6:21AM2.01m | ||||||||
Low Tide | 7:52AM0.65m | 7:59PM0.65m | 8:37AM0.58m | 8:48PM0.59m | 9:22AM0.51m | 9:38PM0.53m | 10:08AM0.43m | 10:28PM0.48m | 10:57AM0.37m | 11:19PM0.45m | 11:48AM0.33m | 00:13AM0.45m | 12:39PM0.34m | ||||||||
 |  |  |  | | | |  |  |  | | |  |  | |  | | | | | | |
 | — | 6:58 | — | — | 7:00 | — | — | 7:01 | — | — | 7:01 | — | — | 7:03 | — | — | 7:03 | — | — | 7:05 | — |
 | — | — | 5:07 | — | — | 5:06 | — | — | 5:06 | — | — | 5:05 | — | — | 5:04 | — | — | 5:02 | — | — | 5:01 |
— | — | — | 3 | — | — | 3 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | 1 | 1 | |
Temp °C | 11 | 16 | 16 | 13 | 13 | 13 | 14 | 14 | 14 | 13 | 14 | 14 | 12 | 13 | 13 | 13 | 13 | 13 | 14 | 13 | 14 |
8 | 14 | 13 | 11 | 7 | 7 | 8 | 8 | 8 | 9 | 10 | 10 | 9 | 11 | 9 | 10 | 9 | 9 | 11 | 11 | 11 | |
Swell 1 Height (m) Direction Period (s) | SSE 14 | SSE 13 | SSE 13 | SSE 16 | SSE 15 | SSE 14 | SSE 14 | SSE 13 | SSE 12 | SSE 11 | SSE 9 | SSE 9 | SSE 14 | SSE 13 | SSE 12 | SSE 5 | SSE 12 | SSE 11 | SE 10 | SE 6 | SE 5 |
 kJ | 1122 | 586 | 408 | 366 | 706 | 557 | 1407 | 1206 | 440 | 495 | 226 | 172 | 612 | 414 | 365 | 34 | 235 | 149 | 98 | 39 | 29 |
Swell 2 Height (m) Direction Period (s) | E 10 | E 10 | E 10 | SSE 12 | SSE 6 | E 9 | E 9 | E 9 | SE 7 | E 9 | E 10 | SSE 16 | E 11 | E 11 | E 11 | SSE 12 | E 10 | E 10 | E 10 | SSE 10 | SE 9 |
| kJ | 74 | 71 | 48 | 156 | 115 | 27 | 27 | 15 | 54 | 15 | 29 | 191 | 35 | 57 | 55 | 174 | 31 | 31 | 17 | 36 | 21 |
Swell 3 Height (m) Direction Period (s) | E 13 | E 13 | E 12 | E 10 | E 9 | E 11 | SSE 22 | — | E 9 | — | SSE 15 | E 10 | — | — | — | E 10 | — | NE 9 | S 15 | E 10 | E 9 |
| kJ | 14 | 28 | 26 | 44 | 26 | 10 | 45 | — | 15 | — | 43 | 30 | — | — | — | 33 | — | 3 | 19 | 16 | 16 |
Wind waves Height (m) Direction Period (s) | — | — | NNE 3 | SSW 4 | S 6 | SSE 7 | S 13 | — | S 6 | S 10 | SSW 10 | SSE 9 | — | — | — | — | — | — | — | — | E 5 |
| kJ | — | — | 3 | 5 | 259 | 247 | 2494 | — | 64 | 780 | 399 | 222 | — | — | — | — | — | — | — | — | 16 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 3 | 53 | 68 | 118 | 45 | 118 | 10 | 10 | 44 | 3 | 3 | 10 | 42 | 10 | 36 | 44 | 10 | 36 |
Best forecast wave conditions in Gisborne and Mahia | |||||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Sponge bay surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Information about the Sponge bay Surf forecast
The above surf forecast table for Sponge bay provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Sponge bay can be found by selecting the local surf guide option on the grey menu. Our Sponge bay surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Sponge bay) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Sponge bay may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Are you planning a holiday in Gisborne and Mahia? If you are looking for accommodation near Sponge bay, camping, hotels and holiday cottages in Gisborne and Mahia, consider staying in Gisborne which is 8 km (5 miles) away.
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