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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 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)How big are the waves at Sponge bay today?
The current surf forecast for Sponge bay at 4AM is: 1.6m 14s primary swell from a South-southeast direction (forecast issued at 11:00pm May 11). An open ocean swell of 0.6m 10s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 May) | 4.5ft (1.3m) | 13s |
| Afternoon (12 May) | 3.5ft (1.1m) | 13s |
| Evening (12 May) | 3.5ft (1.0m) | 12s |
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 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). | ||||||||||||||||||||||||
Tuesday 12 | Wednesday 13 | Thursday 14 | ||||||||||||||||||||||
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 | 3 PM | 6 PM | |
Swell Height Map |  |    |    |    | ||||||||||||||||||||
SSE 14 | SSE 14 | SSE 14 | SSE 13 | SSE 13 | SSE 13 | SSE 13 | SSE 12 | SSE 12 | SSE 16 | SSE 16 | SSE 15 | SSE 15 | SSE 15 | SSE 14 | S 8 | S 13 | S 13 | S 14 | S 13 | SSE 13 | S 13 | SSE 12 | S 12 | |
1337 | 1122 | 933 | 817 | 586 | 491 | 408 | 355 | 283 | 366 | 645 | 696 | 706 | 580 | 557 | 588 | 2504 | 2494 | 2644 | 2380 | 1206 | 1825 | 440 | 1280 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-off | cross-off | off | off | off | off | cross-off | cross-on | cross | cross-on | cross-on | on | cross-on | cross-on | cross-on | on | on | on | on | on | on | on | on | |
High Tide | 1:26AM1.85m | 1:50PM1.77m | 2:13AM1.88m | 2:40PM1.83m | 3:00AM1.92m | 3:29PM1.90m | ||||||||||||||||||
Low Tide | 7:10PM0.70m | 7:52AM0.65m | 7:59PM0.65m | 8:37AM0.58m | 8:48PM0.59m | 9:22AM0.51m | ||||||||||||||||||
 | | | |  | |  |  |  | |  | |  | | | | | |  | | |  |  | | |
 | — | — | — | 6:58 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 7:01 | — | — | — | — |
 | — | — | — | — | — | — | 5:07 | — | — | — | — | — | — | — | 5:06 | — | — | — | — | — | — | — | 5:06 | — |
— | — | — | — | — | — | — | — | 2 | 1 | — | — | — | — | — | — | 1 | 1 | 1 | — | — | 1 | 1 | — | |
Temp °C | 11 | 10 | 10 | 10 | 11 | 16 | 16 | 14 | 13 | 13 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 13 | 14 | 13 |
8 | 7 | 7 | 7 | 8 | 14 | 13 | 12 | 11 | 12 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 8 | 7 | 8 | 8 | 8 | 8 | 8 | |
Swell 1 Height (m) Direction Period (s) | SSE 14 | SSE 14 | SSE 14 | SSE 13 | SSE 13 | SSE 13 | SSE 13 | SSE 12 | SSE 12 | SSE 16 | SSE 16 | SSE 15 | SSE 15 | SSE 15 | SSE 14 | SSE 8 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 13 | SSE 13 | SSE 12 | SSE 6 |
 kJ | 1337 | 1122 | 933 | 817 | 586 | 491 | 408 | 355 | 283 | 366 | 645 | 696 | 706 | 580 | 557 | 344 | 1487 | 1407 | 1657 | 1428 | 1206 | 1103 | 440 | 136 |
Swell 2 Height (m) Direction Period (s) | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | SSE 12 | S 6 | S 6 | SSE 6 | E 9 | E 9 | SSE 14 | E 10 | E 9 | E 9 | E 9 | E 9 | E 9 | SE 7 | SSE 12 |
| kJ | 77 | 74 | 74 | 71 | 71 | 71 | 48 | 47 | 45 | 156 | 31 | 76 | 115 | 27 | 27 | 527 | 28 | 27 | 27 | 27 | 15 | 15 | 54 | 333 |
Swell 3 Height (m) Direction Period (s) | E 13 | E 13 | E 13 | E 13 | E 13 | E 12 | E 12 | E 12 | SSE 16 | E 10 | E 9 | E 9 | E 9 | E 11 | E 11 | E 10 | SSE 22 | SSE 22 | — | SSW 19 | — | — | E 9 | E 9 |
| kJ | 14 | 14 | 29 | 28 | 28 | 27 | 26 | 12 | 91 | 44 | 43 | 42 | 26 | 10 | 10 | 28 | 91 | 45 | — | 74 | — | — | 15 | 15 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | NNE 3 | NNE 3 | — | SSW 4 | SSW 5 | S 6 | S 6 | SSE 7 | SSE 7 | S 8 | S 13 | S 13 | S 14 | S 13 | — | S 13 | S 6 | S 12 |
| kJ | — | — | — | — | — | — | 3 | 2 | — | 5 | 73 | 171 | 259 | 181 | 247 | 588 | 2504 | 2494 | 2644 | 2380 | — | 1825 | 64 | 1280 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 53 | 53 | 53 | 68 | 68 | 68 | 68 | 118 | 68 | 118 | 45 | 118 | 118 | 118 |
Best forecast wave conditions in Gisborne and Mahia | ||||||||||||||||||||||||
Best forecast wave conditions in New Zealand | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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