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Treachery Head Surf Forecast
/ NSW – Port Macquarie (37 breaks) / New South Wales (297 breaks) /
Surf Forecasts:
Treachery Head surfForecast / NSW – Port Macquarie / Australia
48hr Weather and Surf, issued 3 am Wednesday 20 May 2026 AESTForecast update in hr min s Forecast update imminent
Treachery Head surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Treachery Head sea temperature is
22.9° C
(Which is 1.6°C warmer than normal for this time of year)How big are the waves at Treachery Head today?
The current surf forecast for Treachery Head at 7AM is: 2.5m 9s primary swell from a South-southwest direction and 2.2m 9s secondary swell from a South direction, 1.6m 10s secondary swell from a East direction (forecast issued at 03:00am May 20). The wind direction is predicted to be cross-shore.
| Time (AEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 May) | 8ft (2.5m) | 9s |
| Afternoon (20 May) | 8ft (2.5m) | 10s |
| Evening (20 May) | 8ft (2.5m) | 10s |
Table - waves today at Treachery Head. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 21mm), heaviest during Wed night. Warm (max 20°C on Fri night, min 15°C on Wed morning). Mainly fresh winds. | ||||||||||||||||||||||||
Wednesday 20 | Thursday 21 | Friday 22 | ||||||||||||||||||||||
1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
ENE 10 | SSW 8 | SSW 9 | S 9 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 9 | S 9 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | ESE 11 | ESE 10 | SE 10 | |
680 | 955 | 1156 | 1374 | 1737 | 1299 | 1345 | 1153 | 1247 | 1780 | 1255 | 1146 | 1035 | 1021 | 888 | 804 | 823 | 669 | 705 | 727 | 713 | 980 | 944 | 1370 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | on | on | on | on | cross-on | on | on | on | on | on | on | |
High Tide | 10:11PM1.84m | 11:03AM1.08m | 11:05PM1.75m | 12:07PM1.04m | 00:03AM1.64m | 1:15PM1.04m | ||||||||||||||||||
Low Tide | 5:08AM0.03m | 4:25PM0.32m | 6:08AM0.08m | 5:24PM0.40m | 7:09AM0.13m | 6:33PM0.48m | ||||||||||||||||||
 | |  |  |  |  |  |  | |  |  | | | | | | |  | | | | | | | |
 | — | 6:33 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — |
 | — | — | — | — | — | 4:57 | — | — | — | — | — | — | — | 4:55 | — | — | — | — | — | — | — | 4:55 | — | — |
2 | 1 | — | — | 1 | 1 | — | — | 2 | 3 | 3 | 1 | 1 | — | 1 | — | — | — | 1 | 1 | 1 | — | — | — | |
Temp °C | 17 | 16 | 15 | 15 | 17 | 17 | 18 | 18 | 18 | 16 | 18 | 18 | 18 | 19 | 19 | 19 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 |
12 | 11 | 9 | 9 | 11 | 10 | 10 | 12 | 11 | 10 | 13 | 12 | 14 | 13 | 13 | 12 | 11 | 11 | 11 | 11 | 12 | 12 | 13 | 13 | |
Swell 1 Height (m) Direction Period (s) | ENE 10 | S 8 | S 9 | S 9 | S 10 | E 10 | E 10 | E 10 | E 10 | S 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | ESE 10 | ESE 11 | ESE 10 | S 13 |
 kJ | 680 | 630 | 792 | 917 | 1301 | 400 | 346 | 290 | 290 | 1347 | 284 | 284 | 234 | 234 | 194 | 186 | 145 | 140 | 111 | 85 | 231 | 980 | 944 | 52 |
Swell 2 Height (m) Direction Period (s) | — | ENE 10 | E 10 | E 10 | ENE 10 | — | — | — | — | E 10 | — | S 17 | S 17 | — | — | S 16 | S 16 | — | S 16 | ESE 10 | S 15 | S 14 | S 13 | — |
| kJ | — | 610 | 530 | 468 | 410 | — | — | — | — | 284 | — | 6 | 6 | — | — | 5 | 5 | — | 5 | 86 | 18 | 36 | 56 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 16 | S 14 | ENE 10 | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 | 37 | 20 | — | — |
Wind waves Height (m) Direction Period (s) | SSW 7 | SSW 8 | SSW 9 | S 9 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 9 | S 9 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | S 8 | S 8 | SE 10 |
| kJ | 327 | 955 | 1156 | 1374 | 1737 | 1299 | 1345 | 1153 | 1247 | 1780 | 1255 | 1146 | 1035 | 1021 | 888 | 804 | 823 | 669 | 705 | 727 | 713 | 304 | 298 | 1370 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 15 | 15 | 31 | 31 | 31 | 31 | 31 | 15 | 31 | 31 | 31 | 31 | 8 | 31 | 163 | 163 | 129 | 87 | 87 | 129 | 261 | 261 | 261 | 163 |
Best forecast wave conditions in Port Macquarie | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Ocean Swells (m)- Wind Speed (km/h)
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