Surf Forecasts:
How big are the waves at Sponge bay today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 7ft (2.1m), 8s period with S swell.
- Afternoon surf: Afternoon surf (20 Aug, local time) - 7ft (2.1m), 8s period with S swell.
- Evening surf: Evening surf (20 Aug, local time) - 4ft (1.2m), 8s period with SSE swell.
The current surf forecast for Sponge bay at 3AM is: 2.5m 14s primary swell from a South-southwest direction and 1.6m 9s secondary swell from a Southeast direction, 1.3m 14s secondary swell from a South-southeast direction (forecast issued at 11:00pm August 19). The wind direction is predicted to be cross-shore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | 7ft (2.1m) | 8s |
| Afternoon (20 Aug) | 7ft (2.1m) | 8s |
| Evening (20 Aug) | 4ft (1.2m) | 8s |
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 Wed night). Wind will be generally light. | |||||||||||||||||
Thursday 20 | Friday 21 | ||||||||||||||||
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 15 | SSW 14 | SSW 14 | SE 9 | S 8 | SE 9 | S 8 | S 8 | SSE 8 | SSE 8 | SSE 9 | SSE 16 | SSE 16 | SSE 16 | SSE 16 | SSE 15 | SSE 13 |
Wave Graph  | |||||||||||||||||
 kJ | 1088 | 3434 | 2831 | 460 | 623 | 559 | 616 | 555 | 190 | 160 | 166 | 306 | 211 | 696 | 568 | 519 | 235 |
Wind (km/h) | |||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross | cross-on | cross-on | cross-on | on | on | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off |
High Tide | 11:06PM1.95m | 11:32AM1.90m | 11:48PM1.87m | 12:17PM1.84m | |||||||||||||
Low Tide | 5:24AM0.56m | 5:42PM0.65m | 6:09AM0.62m | 6:28PM0.72m | |||||||||||||
 |  | | |  |  |  |  | | | | | | | | | | |
 | — | — | — | 6:48 | — | — | — | — | — | — | — | 6:46 | — | — | — | — | — |
 | — | — | — | — | — | — | 5:34 | — | — | — | — | — | — | — | 5:35 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 9 | 8 | 8 | 10 | 11 | 12 | 12 | 10 | 9 | 9 | 8 | 8 | 9 | 12 | 12 | 11 | 10 |
Feels °C | 3 | 4 | 4 | 4 | 5 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 6 | 10 | 8 | 8 | 7 |
Swell 1 Height (m) Direction Period (s) | SE 10 | SE 9 | SE 9 | SE 9 | SE 8 | SE 9 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 9 | SSE 9 | ESE 10 | SSE 16 | SSE 16 | SSE 15 | SSE 13 |
| kJ | 761 | 540 | 418 | 460 | 490 | 460 | 256 | 221 | 190 | 160 | 166 | 132 | 160 | 696 | 568 | 519 | 235 |
Swell 2 Height (m) Direction Period (s) | SSE 15 | SSE 15 | SSE 14 | SSE 14 | SSE 14 | SSE 13 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 8 | ESE 8 | SSE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 |
| kJ | 1088 | 811 | 642 | 431 | 189 | 139 | 194 | 154 | 158 | 127 | 113 | 111 | 103 | 166 | 138 | 118 | 85 |
Swell 3 Height (m) Direction Period (s) | SE 12 | — | — | SE 11 | — | SE 13 | SSE 13 | SSE 13 | SSE 13 | SSE 17 | SSE 16 | SSE 16 | SSE 16 | — | — | — | SSE 15 |
| kJ | 39 | — | — | 44 | — | 27 | 99 | 57 | 32 | 58 | 153 | 306 | 211 | — | — | — | 186 |
Wind waves Height (m) Direction Period (s) | S 11 | SSW 14 | SSW 14 | SSW 7 | S 8 | S 8 | S 8 | S 8 | — | — | — | — | — | — | — | — | NE 3 |
| kJ | 1026 | 3434 | 2831 | 254 | 623 | 559 | 616 | 555 | — | — | — | — | — | — | — | — | 2 |
Nearest Offshore or Glassy | |||||||||||||||||
Distance (km) | 53 | 3 | 5 | 68 | 42 | 53 | 122 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Gisborne and Mahia | |||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||
Header Global | |||||||||||||||||
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