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Catlins River Mouth Surf Forecast
/ Catlins (9 surf breaks) /
Surf Forecasts:
Catlins River Mouth surfForecast / Catlins / New Zealand
48hr Weather and Surf, issued 11 pm Wednesday 27 May 2026 NZSTForecast update in hr min s Forecast update imminent
Catlins River Mouth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Catlins River Mouth sea temperature is
12.4° C
(Which is 2.4°C warmer than normal for this time of year)How big are the waves at Catlins River Mouth today (28 May):
- Morning surf: Morning surf (28 May, local time) - 18ft (5.5m), 15s period with SW swell.
- Afternoon surf: Afternoon surf (28 May, local time) - 16ft (5.0m), 15s period with SSW swell.
- Evening surf: Evening surf (28 May, local time) - 10ft (3.0m), 15s period with SSW swell.
The current surf forecast for Catlins River Mouth at 4AM is: 5.5m 14s primary swell from a Southwest direction and 3.5m 14s secondary swell from a South-southwest direction (forecast issued at 11:00pm May 27). The wind direction is predicted to be cross-offshore and the swell rating is 11.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 May) | 18ft (5.5m) | 15s |
| Afternoon (28 May) | 16ft (5.0m) | 15s |
| Evening (28 May) | 10ft (3.0m) | 15s |
Table - waves today at Catlins River Mouth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 12°C on Thu afternoon, min 8°C on Fri night). Winds decreasing (fresh winds from the W on Wed night, calm by Fri afternoon). | ||||||||||||||||||||||||
Thursday 28 | Friday 29 | Saturday 30 | ||||||||||||||||||||||
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 | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | |
Swell Height Map |  |    |    |    | ||||||||||||||||||||
SW 13 | SW 13 | SW 14 | SSW 15 | SW 15 | SW 15 | SSW 15 | SW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | S 13 | S 13 | SSW 13 | SSW 13 | SSW 12 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | |
7870 | 9327 | 10898 | 5093 | 13280 | 12136 | 9643 | 9183 | 4253 | 3578 | 3252 | 2650 | 2160 | 1846 | 1468 | 1357 | 1211 | 1058 | 920 | 569 | 692 | 494 | 255 | 255 | |
Wind (km/h) | ||||||||||||||||||||||||
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 | glassy | glassy | glassy | glassy | off | glassy | cross-off | cross-off | cross | cross-off | |
High Tide | 00:40AM2.28m | 1:03PM2.32m | 1:23AM2.30m | 1:45PM2.33m | 2:03AM2.30m | 2:26PM2.33m | ||||||||||||||||||
Low Tide | 6:26PM0.98m | 6:50AM0.97m | 7:13PM1.01m | 7:34AM0.96m | 7:57PM1.02m | 8:16AM0.96m | ||||||||||||||||||
 | |  | |  | | |  | | | | | | |  | | | | | | | | | | |
 | — | — | — | 8:10 | — | — | — | — | — | — | — | 8:11 | — | — | — | — | — | — | — | 8:11 | — | — | — | — |
 | — | — | — | — | — | — | 5:06 | — | — | — | — | — | — | — | 5:05 | — | — | — | — | — | — | — | 5:04 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 9 | 10 | 10 | 10 | 9 | 9 | 12 | 12 | 11 | 11 | 10 | 10 | 10 | 12 | 12 | 10 | 10 | 9 | 9 | 8 | 8 | 9 | 10 | 9 |
2 | 3 | 2 | 3 | 2 | 3 | 7 | 8 | 7 | 7 | 6 | 7 | 7 | 10 | 11 | 9 | 9 | 7 | 7 | 6 | 6 | 6 | 7 | 6 | |
Swell 1 Height (m) Direction Period (s) | SSW 14 | SSW 14 | SSW 14 | SSW 15 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | S 13 | S 13 | SSW 13 | SSW 13 | SSW 12 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SSW 12 |
 kJ | 3253 | 3868 | 4852 | 5093 | 5917 | 5601 | 5006 | 4659 | 4253 | 3578 | 3252 | 2650 | 2160 | 1846 | 1468 | 1357 | 1211 | 1058 | 920 | 569 | 692 | 494 | 255 | 255 |
Swell 2 Height (m) Direction Period (s) | E 12 | ENE 12 | — | — | — | — | — | ENE 12 | E 12 | E 12 | E 12 | E 11 | E 11 | E 11 | E 11 | E 11 | E 11 | E 10 | E 10 | S 9 | E 10 | E 10 | S 9 | SSE 9 |
| kJ | 11 | 13 | — | — | — | — | — | 14 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 180 | 2 | 2 | 136 | 103 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | ENE 12 | ENE 11 | — | — | — | — | — | — | — | E 10 | — | — | E 10 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | 13 | 13 | — | — | — | — | — | — | — | 2 | — | — | 2 | — |
Wind waves Height (m) Direction Period (s) | SW 13 | SW 13 | SW 14 | W 4 | SW 15 | SW 15 | SSW 15 | SW 15 | SW 14 | SW 13 | — | — | — | — | — | — | — | — | — | — | — | — | — | NE 4 |
| kJ | 7870 | 9327 | 10898 | 13 | 13280 | 12136 | 9643 | 9183 | 3810 | 2406 | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 57 | 147 | 109 | 147 | 57 | 147 | 8 | 8 | 8 | 21 | 21 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 0 |
Best forecast wave conditions in Catlins | ||||||||||||||||||||||||
Best forecast wave conditions in New Zealand | ||||||||||||||||||||||||
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