Surf Forecasts:
How big are the waves at Catlins River Mouth today (18 Aug):
- Morning surf: Morning surf (18 Aug, local time) - 8ft (2.5m), 10s period with SSW swell.
- Afternoon surf: Afternoon surf (18 Aug, local time) - 11ft (3.5m), 13s period with SSW swell.
- Evening surf: Evening surf (18 Aug, local time) - 10ft (3.0m), 15s period with S swell.
The current surf forecast for Catlins River Mouth at 3PM is: 3.5m 13s primary swell from a South-southwest direction and 3.0m 14s secondary swell from a South-southwest direction, 0.4m 10s secondary swell from a East-northeast direction (forecast issued at 11:00am August 18). The wind direction is predicted to be cross-shore and the swell rating is 11.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Aug) | 8ft (2.5m) | 10s |
| Afternoon (18 Aug) | 11ft (3.5m) | 13s |
| Evening (18 Aug) | 10ft (3.0m) | 15s |
Table - waves today at Catlins River Mouth. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 11°C on Thu afternoon, min 7°C on Thu night). Winds decreasing (fresh winds from the SW on Tue morning, light winds from the NW by Thu night). | |||||||||||||||||||||
Tue 18 | Wednesday 19 | Thursday 20 | |||||||||||||||||||
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) | SSW 10 | SSW 12 | SSW 13 | SSW 15 | S 15 | S 15 | S 15 | S 15 | S 14 | SSW 14 | SSW 14 | SW 13 | SSW 14 | SSW 12 | SSW 12 | SSW 14 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1258 | 1895 | 4343 | 6357 | 4135 | 3770 | 3238 | 2679 | 2247 | 1895 | 1704 | 3003 | 1344 | 718 | 876 | 459 | 1498 | 1537 | 1358 | 1358 | 1288 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off |
High Tide | 6:46AM2.34m | 7:05PM2.28m | 7:38AM2.25m | 7:59PM2.18m | 8:38AM2.17m | ||||||||||||||||
Low Tide | 1:03PM0.94m | 1:25AM1.00m | 1:52PM1.07m | 2:18AM1.10m | 2:45PM1.17m | ||||||||||||||||
 |  | |  | | | | | |  | | | | | | | | | | |  | |
 | 7:37 | — | — | — | — | — | — | 7:35 | — | — | — | — | — | — | — | 7:33 | — | — | — | — | — |
 | — | — | 5:52 | — | — | — | — | — | — | — | 5:53 | — | — | — | — | — | — | — | 5:54 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 9 | 9 | 9 | 8 | 8 | 9 | 8 | 8 | 8 | 9 | 9 | 8 | 8 | 8 | 9 | 9 | 9 | 10 | 11 | 9 | 9 |
Feels °C | 2 | 2 | 3 | 3 | 4 | 5 | 4 | 4 | 4 | 4 | 4 | 3 | 4 | 4 | 4 | 4 | 5 | 5 | 6 | 5 | 6 |
Swell 1 Height (m) Direction Period (s) | ENE 11 | ENE 11 | SSW 14 | S 15 | S 15 | S 15 | S 15 | S 15 | S 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 12 | SSW 12 | SSW 10 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 |
| kJ | 37 | 38 | 3340 | 4185 | 4135 | 3770 | 3238 | 2679 | 2247 | 1895 | 1704 | 1380 | 1344 | 718 | 876 | 394 | 1498 | 1537 | 1358 | 1358 | 1288 |
Swell 2 Height (m) Direction Period (s) | S 19 | ESE 13 | ENE 10 | ENE 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | SSW 15 | E 10 | SSW 14 | E 9 | E 9 | E 9 | E 9 | E 9 |
| kJ | 27 | 17 | 36 | 20 | 18 | 19 | 18 | 18 | 18 | 18 | 18 | 17 | 17 | 246 | 16 | 459 | 15 | 6 | 6 | 6 | 6 |
Swell 3 Height (m) Direction Period (s) | ESE 13 | — | ESE 13 | ESE 13 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 13 | ESE 12 | ESE 13 | ESE 12 | ESE 12 | E 10 | ESE 12 | E 9 | ESE 11 | SE 13 | SE 13 | SE 13 | SE 12 |
| kJ | 17 | — | 17 | 16 | 15 | 15 | 15 | 15 | 16 | 15 | 16 | 15 | 15 | 16 | 13 | 16 | 13 | 7 | 7 | 7 | 6 |
Wind waves Height (m) Direction Period (s) | SSW 10 | SSW 12 | SSW 13 | SSW 15 | — | — | — | SW 14 | — | WSW 5 | WSW 5 | SW 13 | — | — | — | — | — | — | — | — | — |
| kJ | 1258 | 1895 | 4343 | 6357 | — | — | — | 1929 | — | 64 | 72 | 3003 | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 256 | 293 | 364 | 8 | 8 | 21 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 0 | 8 | 8 | 0 | 0 | 8 | 0 | 0 |
Best forecast wave conditions in Catlins | |||||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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