Surf Forecasts:
How big are the waves at Catlins River Mouth today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 2.5ft (0.8m), 14s period with SSW swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 3.5ft (1.0m), 10s period with S swell.
- Evening surf: Evening surf (21 Aug, local time) - 2.5ft (0.8m), 10s period with S swell.
The current surf forecast for Catlins River Mouth at 6AM is: 0.9m 15s primary swell from a South-southwest direction and 1.1m 11s secondary swell from a South-southwest 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) | 2.5ft (0.8m) | 14s |
| Afternoon (21 Aug) | 3.5ft (1.0m) | 10s |
| Evening (21 Aug) | 2.5ft (0.8m) | 10s |
Table - waves today at Catlins River Mouth. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 7mm), mostly falling on Sun morning. Very mild (max 13°C on Sat afternoon, min 5°C on Sun morning). Winds increasing (light winds from the NNW on Sat afternoon, near gales from the W 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) | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | SSW 18 | SSW 19 | SSW 16 | SSW 16 | SSW 17 |
Wave Graph  | |||||||||||||||||
 kJ | 1288 | 1136 | 983 | 334 | 264 | 218 | 200 | 158 | 125 | 96 | 80 | 69 | 109 | 139 | 153 | 214 | 237 |
Wind (km/h) | |||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | cross-off | off | cross-off | cross-off | cross-off | cross-off | off | cross-off | off | cross-off | cross-off | cross-off | off | cross-off |
High Tide | 9:01PM2.11m | 9:41AM2.12m | 10:07PM2.08m | 10:44AM2.10m | |||||||||||||
Low Tide | 3:18AM1.16m | 3:45PM1.24m | 4:22AM1.17m | 4:53PM1.24m | |||||||||||||
 |  | | |  |  | |  | | | | |  | | | | | |
 | — | — | — | 7:31 | — | — | — | — | — | — | — | 7:30 | — | — | — | — | — |
 | — | — | — | — | — | — | 5:57 | — | — | — | — | — | — | — | 5:58 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 9 | 8 | 9 | 8 | 6 | 8 | 10 | 10 | 8 | 8 | 7 | 8 | 7 | 11 | 13 | 12 | 9 |
Feels °C | 6 | 4 | 5 | 4 | 2 | 4 | 6 | 6 | 4 | 5 | 2 | 4 | 3 | 6 | 10 | 10 | 6 |
Swell 1 Height (m) Direction Period (s) | SSW 15 | SSW 15 | SSW 15 | SSW 11 | SSW 10 | SSW 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | SSW 19 | SSW 16 | SSW 16 | SSW 17 |
| kJ | 1288 | 1136 | 983 | 286 | 231 | 218 | 200 | 158 | 125 | 96 | 69 | 69 | 47 | 139 | 153 | 214 | 237 |
Swell 2 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SW 14 | SW 14 | SW 13 | SSW 14 | SSW 18 | SSW 18 | S 9 | S 9 | ENE 5 | ENE 6 |
| kJ | 6 | 6 | 6 | 334 | 264 | 183 | 138 | 100 | 89 | 87 | 80 | 64 | 109 | 43 | 26 | 16 | 29 |
Swell 3 Height (m) Direction Period (s) | SE 12 | SE 12 | SE 12 | E 9 | E 9 | E 8 | E 9 | E 11 | E 11 | E 10 | SW 13 | SSW 13 | NE 4 | WSW 12 | SW 12 | S 9 | S 9 |
| kJ | 6 | 6 | 6 | 6 | 6 | 1 | 1 | 9 | 9 | 8 | 43 | 18 | 4 | 14 | 6 | 26 | 26 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | NNW 3 | N 3 | NNW 2 | NNE 4 | — | NE 3 | NE 4 | NE 4 | NE 4 | NE 4 | NE 4 | NE 6 | — |
| kJ | — | — | — | — | 3 | 1 | 1 | 2 | — | 2 | 3 | 4 | 9 | 5 | 5 | 44 | — |
Nearest Offshore or Glassy | |||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 21 | 0 | 0 | 0 |
Best forecast wave conditions in Catlins | |||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||
Header Global | |||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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