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Colac Bay Surf Forecast
/ Southland (9 surf breaks) /
Surf Forecasts:
Colac Bay surfForecast / Southland / New Zealand
48hr Weather and Surf, issued 5 pm Monday 18 May 2026 NZSTForecast update in hr min s Forecast update imminent
Colac Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Colac Bay sea temperature is
13.0° C
(Which is 1.8°C warmer than normal for this time of year)How big are the waves at Colac Bay today?
The current surf forecast for Colac Bay at 10PM is: 1.0m 14s primary swell from a West direction and 0.5m 6s secondary swell from a West direction (forecast issued at 05:00pm May 18). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | - | - |
| Afternoon (18 May) | 3.5ft (1.1m) | 16s |
| Evening (18 May) | 3.5ft (1.0m) | 14s |
Table - waves today at Colac Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 16°C on Wed night, min 5°C on Tue morning). Wind will be generally light. | ||||||||||||||||||||||||
Mon 18 | Tuesday 19 | Wednesday 20 | Thu 21 | |||||||||||||||||||||
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 | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
W 16 | W 16 | W 14 | W 14 | W 14 | W 14 | W 14 | W 13 | W 13 | W 13 | W 13 | W 13 | W 13 | W 13 | W 12 | W 12 | W 12 | W 12 | W 12 | WSW 11 | W 15 | W 16 | W 15 | W 7 | |
612 | 589 | 423 | 417 | 423 | 417 | 411 | 440 | 355 | 350 | 340 | 268 | 268 | 263 | 247 | 287 | 180 | 103 | 70 | 43 | 279 | 692 | 627 | 163 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | glassy | glassy | cross-off | glassy | cross-off | cross-off | cross-off | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross | cross | |
High Tide | 2:22PM2.62m | 2:42AM2.53m | 3:19PM2.56m | 3:38AM2.47m | 4:17PM2.48m | 4:38AM2.39m | ||||||||||||||||||
Low Tide | 8:42PM0.37m | 9:07AM0.24m | 9:37PM0.41m | 10:04AM0.28m | 10:34PM0.46m | 11:04AM0.34m | ||||||||||||||||||
 |  | |  | |  |  |  | | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | 8:07 | — | — | — | — | — | — | — | 8:07 | — | — | — | — | — | — | — | 8:08 | — | — |
 | 5:22 | — | — | — | — | — | — | — | 5:21 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — | 5:19 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 9 | 8 | 8 | 7 | 6 | 6 | 5 | 7 | 9 | 10 | 10 | 9 | 9 | 8 | 8 | 10 | 12 | 11 | 12 | 13 | 15 | 16 | 13 | 11 |
8 | 7 | 6 | 4 | 4 | 4 | 2 | 4 | 6 | 7 | 7 | 6 | 5 | 4 | 4 | 7 | 9 | 7 | 8 | 8 | 10 | 14 | 9 | 7 | |
Swell 1 Height (m) Direction Period (s) | W 16 | W 16 | W 14 | W 14 | W 14 | W 14 | W 14 | W 13 | W 13 | W 13 | W 13 | W 13 | W 13 | W 13 | W 12 | W 12 | W 12 | W 12 | W 12 | WSW 11 | W 15 | W 16 | W 15 | W 7 |
 kJ | 612 | 589 | 423 | 417 | 423 | 417 | 411 | 440 | 355 | 350 | 340 | 268 | 268 | 263 | 247 | 287 | 180 | 103 | 70 | 43 | 279 | 692 | 627 | 163 |
Swell 2 Height (m) Direction Period (s) | E 10 | E 10 | W 6 | W 6 | W 6 | WNW 7 | WNW 7 | W 21 | W 21 | S 20 | SW 20 | SW 20 | SW 20 | SW 21 | W 21 | WSW 18 | WNW 6 | W 6 | W 7 | W 7 | WSW 11 | WSW 11 | WSW 18 | W 14 |
| kJ | 2 | 2 | 18 | 25 | 20 | 15 | 16 | 9 | 9 | 8 | 15 | 15 | 15 | 17 | 9 | 32 | 12 | 7 | 8 | 9 | 25 | 12 | 31 | 94 |
Swell 3 Height (m) Direction Period (s) | S 16 | S 15 | S 17 | S 8 | S 8 | S 12 | W 21 | S 11 | S 10 | S 12 | S 12 | S 12 | E 9 | E 9 | W 18 | — | WSW 19 | WSW 19 | WNW 11 | WNW 13 | WSW 18 | W 15 | WSW 12 | WSW 16 |
| kJ | 5 | 5 | 6 | 1 | 1 | 3 | 9 | 2 | 2 | 3 | 3 | 3 | 2 | 2 | 6 | — | 35 | 36 | 11 | 33 | 31 | 4 | 13 | 90 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | NNE 3 | N 3 | N 3 | N 3 | — | — | NNE 2 | NNE 3 | N 3 | NNE 3 | N 4 | W 15 | SSW 16 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 1 | — | — | 1 | 3 | 7 | 7 | 9 | 39 | 89 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 13 | 12 | 13 | 0 | 141 | 146 |
Best forecast wave conditions in Southland | ||||||||||||||||||||||||
Best forecast wave conditions in New Zealand | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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