Surf Forecasts:
How big are the waves at Sponge bay today (31 Aug):
- Morning surf: Morning surf (31 Aug, local time) - 2ft (0.6m), 17s period with SSE swell.
- Afternoon surf: Afternoon surf (31 Aug, local time) - 2.5ft (0.8m), 15s period with SSE swell.
- Evening surf: Evening surf (31 Aug, local time) - 4.5ft (1.4m), 13s period with SSE swell.
The current surf forecast for Sponge bay at 2PM is: 0.7m 16s primary swell from a South-southeast direction and 0.6m 9s secondary swell from a South-southeast direction (forecast issued at 05:00am August 31). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Aug) | 2ft (0.6m) | 17s |
| Afternoon (31 Aug) | 2.5ft (0.8m) | 15s |
| Evening (31 Aug) | 4.5ft (1.4m) | 13s |
Table - waves today at Sponge bay. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Mon night. Very mild (max 17°C on Mon morning, min 7°C on Tue night). Winds decreasing (fresh winds from the WNW on Mon morning, calm by Wed morning). | |||||||||||||||||||||||
Monday 31 | Tuesday 1 | Wednesday 2 | |||||||||||||||||||||
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 | 9 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SSE 13 | SSE 19 | SSE 17 | SSE 17 | SSE 15 | SSE 14 | SSE 13 | SSW 11 | SSE 14 | S 13 | SSW 13 | SSW 12 | SSE 13 | SSE 13 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 17 | SSE 17 | SSE 17 | SSE 15 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 64 | 115 | 229 | 286 | 312 | 407 | 604 | 1532 | 1576 | 2610 | 2553 | 3147 | 1161 | 1474 | 1796 | 1849 | 1610 | 1407 | 994 | 1769 | 1961 | 1728 | 1214 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | on | on | cross-on | cross-on | cross-on | on | cross-on | off | cross-off | cross-off | cross-off | cross-off | glassy | glassy | cross-off | cross-off |
High Tide | 8:06AM1.96m | 8:24PM2.02m | 8:46AM1.99m | 9:04PM2.02m | 9:29AM2.00m | ||||||||||||||||||
Low Tide | 2:04AM0.52m | 2:10PM0.50m | 2:42AM0.47m | 2:52PM0.48m | 3:22AM0.44m | 3:36PM0.48m | |||||||||||||||||
 |  |  | | | | | |  |  |  | | | | | | | | | | | | | |
 | — | 6:31 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — |
 | — | — | — | — | 5:44 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:45 | — | — |
mm | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 12 | 13 | 14 | 17 | 17 | 15 | 14 | 10 | 9 | 9 | 9 | 10 | 11 | 10 | 9 | 7 | 8 | 9 | 12 | 16 | 17 | 16 | 13 |
Feels °C | 8 | 7 | 7 | 11 | 11 | 9 | 8 | 4 | 6 | 4 | 3 | 5 | 7 | 8 | 6 | 3 | 4 | 4 | 7 | 14 | 15 | 13 | 8 |
Swell 1 Height (m) Direction Period (s) | SSE 13 | S 8 | SSE 17 | SSE 17 | SSE 15 | SSE 14 | SSE 13 | SSE 14 | SSE 14 | SSE 13 | SSE 13 | SSE 12 | SSE 13 | SSE 13 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 17 | SSE 17 | SSE 17 | SSE 15 |
| kJ | 64 | 52 | 229 | 286 | 312 | 407 | 604 | 1045 | 1576 | 1511 | 1442 | 1125 | 1161 | 1474 | 1796 | 1849 | 1610 | 1407 | 994 | 1769 | 1961 | 1728 | 1214 |
Swell 2 Height (m) Direction Period (s) | ENE 9 | SSE 19 | SSE 8 | SSE 8 | SSE 10 | S 9 | ENE 8 | NE 11 | ENE 11 | ENE 11 | ENE 10 | ENE 10 | NE 10 | E 10 | NE 10 | E 10 | E 10 | E 9 | SSE 18 | E 10 | E 10 | E 10 | E 9 |
| kJ | 30 | 115 | 49 | 41 | 96 | 99 | 6 | 19 | 13 | 12 | 10 | 10 | 4 | 2 | 4 | 2 | 2 | 2 | 352 | 2 | 2 | 2 | 2 |
Swell 3 Height (m) Direction Period (s) | SSW 5 | NE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | SE 11 | NE 11 | — | — | — | — | — | SE 12 | — | — | — | — | E 9 | NE 9 | NE 9 | — | SE 12 |
| kJ | 3 | 20 | 15 | 14 | 7 | 6 | 5 | 5 | — | — | — | — | — | 6 | — | — | — | — | 2 | 13 | 13 | — | 6 |
Wind waves Height (m) Direction Period (s) | WNW 2 | — | — | WNW 2 | WNW 3 | WNW 3 | W 3 | SSW 11 | — | S 13 | SSW 13 | SSW 12 | — | — | — | — | — | — | NNE 9 | — | — | NNE 9 | — |
| kJ | 1 | — | — | 1 | 2 | 9 | 6 | 1532 | — | 2610 | 2553 | 3147 | — | — | — | — | — | — | 32 | — | — | 32 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 3 | 3 | 15 | 110 | 10 | 10 | 10 | 42 | 10 | 57 | 53 | 122 | 36 | 6 | 0 | 0 | 0 | 3 | 3 | 0 | 0 | 0 | 3 |
Best forecast wave conditions in Gisborne and Mahia | |||||||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||||||
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