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Sponge bay Surf Forecast
/ Gisborne and Mahia (37 surf breaks) /
Sponge bay surfForecast / Gisborne and Mahia / New Zealand
12 Day Weather and Surf, issued 11 am Sunday 18 May 2025 NZST
Best Forecast Surf Conditions for Sponge bay this week:
The surf forecast for Sponge bay over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (May 18) at 3PM. The primary swell is predicted to be 2ft and 18s period with a secondary swell of 1ft and 9s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Sponge bay in the next 12 days are 5ft 13s and forecast to arrive on Wednesday (May 21) at 9AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 4ft 7s period and expected on Sunday (May 18) at 9PM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3PM (Sun 18th May) | 1.5ft (0.5m) 18s |
| Best Surf | 3AM (Fri 23rd May) | 3ft (0.9m) 16s |
| Most Powerful | 9AM (Wed 21st May) | 4.5ft (1.4m) 13s |
Table - best surf conditions forecast for Sponge bay over the next 12 days.
Sunday 18 | Monday 19 | Tuesday 20 | Wednesday 21 | Thursday 22 | Friday 23 | Saturday 24 | Sunday 25 | Monday 26 | Tuesday 27 | Wednesday 28 | Thursday 29 | |||||||||||||||||||||||||
| AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Rating (10 max) | ||||||||||||||||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  |  |  |  |  | ||||||||||||||||||||||||
| Wave Height (ft) & direction (?) | ||||||||||||||||||||||||||||||||||||
| Period(s) (?) | 19 | 18 | 15 | 16 | 16 | 6 | 8 | 6 | 16 | 13 | 11 | 9 | 7 | 7 | 17 | 14 | 14 | 14 | 14 | 13 | 12 | 12 | 12 | 12 | 17 | 16 | 15 | 14 | 14 | 13 | 13 | 10 | 12 | 15 | 15 | 6 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||
| Energy (?) | 199 | 160 | 116 | 135 | 140 | 218 | 358 | 108 | 85 | 638 | 459 | 121 | 35 | 36 | 227 | 293 | 163 | 160 | 210 | 302 | 377 | 233 | 226 | 140 | 92 | 85 | 126 | 21 | 20 | 17 | 4 | 4 | 3 | 5 | 4 | 104 |
Wind (mph) | ||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | cross- off | on | on | on | on | on | cross | cross | on | cross- off | cross- off | cross- off | cross- off | cross- off | on | cross | cross- off | cross- off | cross- off | cross- off | cross | cross- off | cross- off | cross- off | cross- off | cross- off | off | cross- off | off | off | off | off | cross- off | cross- off |
High Tide / height (ft) | 9:55AM 5.58 | 10:25PM 5.87 | 10:43AM 5.64 | 11:16PM 5.94 | 11:31AM 5.71 | 12:05AM 6.07 | 12:20PM 5.81 | 12:53AM 6.23 | 1:13PM 5.97 | 1:41AM 6.37 | 2:08PM 6.17 | 2:31AM 6.46 | 3:02PM 6.37 | 3:24AM 6.56 | 3:55PM 6.56 | 4:18AM 6.59 | 4:48PM 6.66 | 5:12AM 6.59 | 5:43PM 6.73 | 6:05AM 6.53 | 6:39PM 6.73 | 7:01AM 6.4 | 7:35PM 6.73 | |||||||||||||
Low Tide / height (ft) | 4:07PM 2.33 | 4:46AM 2.36 | 4:57PM 2.3 | 5:36AM 2.3 | 5:45PM 2.2 | 6:26AM 2.17 | 6:33PM 2.03 | 7:15AM 1.97 | 7:23PM 1.87 | 8:04AM 1.67 | 8:16PM 1.71 | 8:53AM 1.38 | 9:11PM 1.54 | 9:44AM 1.15 | 10:05PM 1.41 | 10:36AM 1.02 | 11:00PM 1.38 | 11:29AM 0.98 | 11:56PM 1.41 | 12:22PM 1.08 | 12:56AM 1.54 | 1:16PM 1.25 | 1:58AM 1.71 | |||||||||||||
Sunday 18 | Monday 19 | Tuesday 20 | Wednesday 21 | Thursday 22 | Friday 23 | Saturday 24 | Sunday 25 | Monday 26 | Tuesday 27 | Wednesday 28 | Thursday 29 | |||||||||||||||||||||||||
| Sunrise | 7:05 | - | - | 7:05 | - | - | 7:05 | - | - | 7:07 | - | - | 7:07 | - | - | 7:09 | - | - | 7:09 | - | - | 7:09 | - | - | 7:11 | - | - | 7:11 | - | - | 7:13 | - | - | 7:13 | - | - |
| Sunset | - | 5:01 | - | - | 5:01 | - | - | 5:00 | - | - | 5:00 | - | - | 4:59 | - | - | 4:59 | - | - | 4:58 | - | - | 4:58 | - | - | 4:57 | - | - | 4:55 | - | - | 4:55 | - | - | 4:54 | - |
 | |  |  | |  |  |  |  | | | | | | | | |  | | | | | | | | | | | | | | | | | | | |
Rain (in) | - | - | - | 0.0 | 0.0 | 0.1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 0.0 | - |
| Temp. °F | 64 | 66 | 68 | 59 | 59 | 55 | 55 | 55 | 52 | 55 | 57 | 52 | 57 | 61 | 55 | 59 | 61 | 57 | 59 | 59 | 57 | 57 | 59 | 55 | 59 | 64 | 57 | 61 | 63 | 55 | 64 | 66 | 63 | 63 | 63 | 55 |
| Feels °F (?) | 57 | 61 | 64 | 57 | 55 | 45 | 48 | 50 | 45 | 46 | 50 | 48 | 54 | 57 | 46 | 55 | 55 | 54 | 59 | 57 | 55 | 57 | 57 | 54 | 54 | 59 | 50 | 54 | 57 | 48 | 59 | 61 | 57 | 55 | 54 | 43 |
Short Range Forecast: Light rain (total 0.2in), mostly falling on Mon morning. Warm (max 68°F on Sun night, min 50°F on Tue night). Mainly fresh winds. | Days 3-6 Weather Summary Mostly dry. Very mild (max 61°F on Thu afternoon, min 48°F on Wed night). Wind will be generally light. | Days 6-9 Weather Summary Mostly dry. Very mild (max 64°F on Mon afternoon, min 54°F on Sat night). Wind will be generally light. | Long Range Forecast: Some drizzle, heaviest during Thu afternoon. Very mild (max 66°F on Wed afternoon, min 52°F on Thu night). Winds increasing (light winds from the N on Wed morning, fresh winds from the NW by Thu afternoon). | |||||||||||||||||||||||||||||||||
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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 12 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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