Surf Forecasts:
How big are the waves at Sponge bay today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 2ft (0.6m), 16s period with SSE swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 3.5ft (1.1m), 16s period with SSE swell.
- Evening surf: Evening surf (21 Aug, local time) - 3ft (0.9m), 13s period with SSE swell.
The current surf forecast for Sponge bay at 6AM is: 0.8m 16s primary swell from a South-southeast direction and 0.9m 9s secondary swell from a South-southeast direction, 0.8m 8s secondary swell from a East-southeast direction (forecast issued at 11:00pm August 20). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 2ft (0.6m) | 16s |
| Afternoon (21 Aug) | 3.5ft (1.1m) | 16s |
| Evening (21 Aug) | 3ft (0.9m) | 13s |
Table - waves today at Sponge bay. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 17°C on Sat afternoon, min 8°C on Thu night). Winds increasing (calm on Fri morning, fresh winds from the NW by Sun morning). | |||||||||||||||||
Friday 21 | Saturday 22 | ||||||||||||||||
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 | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||
Wave Height (m) Direction Period (s) | SSE 8 | SSE 8 | SSE 9 | SSE 16 | SSE 16 | SSE 16 | SSE 16 | SSE 15 | SSE 13 | SSE 13 | SSE 13 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 11 | SE 11 |
Wave Graph  | |||||||||||||||||
 kJ | 190 | 160 | 162 | 306 | 211 | 696 | 568 | 525 | 238 | 242 | 317 | 237 | 230 | 180 | 156 | 166 | 126 |
Wind (km/h) | |||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross-off | cross-off | cross-off | glassy | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 11:48PM1.87m | 12:17PM1.84m | 00:30AM1.79m | 1:01PM1.78m | |||||||||||||
Low Tide | 6:09AM0.62m | 6:28PM0.72m | 6:53AM0.69m | 7:17PM0.77m | |||||||||||||
 | | | |  | | | | | | | | | | | | | |
 | — | — | — | 6:46 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | — |
 | — | — | — | — | — | — | 5:35 | — | — | — | — | — | — | — | 5:36 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 9 | 9 | 8 | 8 | 9 | 12 | 12 | 11 | 10 | 9 | 8 | 8 | 8 | 15 | 17 | 15 | 12 |
Feels °C | 6 | 6 | 5 | 4 | 6 | 10 | 8 | 8 | 7 | 5 | 5 | 4 | 3 | 12 | 13 | 10 | 7 |
Swell 1 Height (m) Direction Period (s) | SSE 8 | SSE 8 | SSE 9 | SSE 9 | SSE 9 | SSE 16 | SSE 16 | SSE 15 | SSE 13 | SSE 13 | SSE 13 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 11 | SE 11 |
| kJ | 190 | 160 | 162 | 140 | 119 | 696 | 568 | 525 | 238 | 242 | 317 | 237 | 230 | 180 | 156 | 166 | 126 |
Swell 2 Height (m) Direction Period (s) | ESE 9 | ESE 9 | ESE 8 | ESE 8 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | SE 9 | ESE 8 | ESE 9 | ESE 13 | ESE 13 |
| kJ | 154 | 124 | 113 | 90 | 130 | 121 | 123 | 118 | 86 | 63 | 50 | 32 | 20 | 13 | 17 | 17 | 17 |
Swell 3 Height (m) Direction Period (s) | SSE 12 | SSE 17 | SSE 16 | SSE 16 | SSE 16 | — | — | — | SSE 16 | SSE 16 | NNE 3 | — | E 14 | E 15 | E 14 | ESE 8 | ESE 8 |
| kJ | 51 | 58 | 153 | 306 | 211 | — | — | — | 142 | 98 | 1 | — | 4 | 4 | 15 | 7 | 7 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | NE 2 | NNE 3 | NNE 3 | — | NW 2 | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | 1 | 1 | 3 | — | 1 | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||
Distance (km) | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 3 | 3 |
Best forecast wave conditions in Gisborne and Mahia | |||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||
Header Global | |||||||||||||||||
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