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Mona Vale-The Basin Surf Forecast
/ NSW – Sydney North Coast (39 breaks) / New South Wales (297 breaks) /
Surf Forecasts:
Mona Vale-The Basin surfForecast / NSW – Sydney North Coast / Australia
48hr Weather and Surf, issued 9 pm Monday 18 May 2026 AESTForecast update in hr min s Forecast update imminent
Mona Vale-The Basin surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Mona Vale-The Basin sea temperature is
20.3° C
(Which is normal for this time of year)How big are the waves at Mona Vale-The Basin today?
The current surf forecast for Mona Vale-The Basin at 2AM is: 2.1m 9s primary swell from a East-northeast direction (forecast issued at 09:00pm May 18). The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (AEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 May) | 8ft (2.4m) | 10s |
| Afternoon (19 May) | 8ft (2.5m) | 10s |
| Evening (19 May) | 7ft (2.2m) | 10s |
Table - waves today at Mona Vale-The Basin. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 21mm), heaviest during Mon night. Very mild (max 17°C on Mon night, min 13°C on Tue night). Winds increasing (calm on Mon night, fresh winds from the SSW by Thu morning). | ||||||||||||||||||||||||
Mon 18 | Tuesday 19 | Wednesday 20 | Thursday 21 | |||||||||||||||||||||
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 | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | |
Swell Height Map |   |    |    |    | ||||||||||||||||||||
ENE 8 | NE 8 | ENE 9 | ENE 9 | ENE 9 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | E 10 | E 10 | E 10 | E 10 | |
766 | 840 | 632 | 761 | 980 | 1044 | 1375 | 1275 | 1087 | 907 | 826 | 749 | 641 | 562 | 482 | 424 | 349 | 349 | 294 | 250 | 235 | 240 | 284 | 240 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-off | cross-off | cross | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross-on | cross-on | |
High Tide | 9:19PM1.80m | 10:14AM1.12m | 10:12PM1.76m | 11:14AM1.07m | 11:07PM1.68m | 12:18PM1.05m | ||||||||||||||||||
Low Tide | 4:13AM-0.03m | 3:38PM0.30m | 5:10AM0.01m | 4:33PM0.37m | 6:10AM0.06m | |||||||||||||||||||
 |  | | |  |  | | |  | | |  |  | | |  |  | | | | | | | | |
 | — | — | — | 6:41 | — | — | — | — | — | — | — | 6:41 | — | — | — | — | — | — | — | 6:43 | — | — | — | — |
 | — | — | — | — | — | — | — | 5:00 | — | — | — | — | — | — | — | 4:59 | — | — | — | — | — | — | — | 4:59 |
3 | 6 | 3 | 1 | — | 1 | 2 | 1 | 1 | 2 | 1 | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | |
Temp °C | 18 | 17 | 17 | 17 | 16 | 16 | 16 | 17 | 16 | 16 | 15 | 14 | 13 | 16 | 16 | 16 | 16 | 14 | 14 | 15 | 15 | 15 | 16 | 17 |
17 | 19 | 18 | 17 | 16 | 16 | 15 | 15 | 14 | 14 | 14 | 12 | 10 | 12 | 11 | 12 | 12 | 10 | 10 | 10 | 10 | 10 | 10 | 12 | |
Swell 1 Height (m) Direction Period (s) | S 15 | ENE 8 | ENE 9 | ENE 9 | ENE 9 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | S 8 | S 9 | S 9 | S 9 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | E 10 | E 10 | E 10 | E 10 |
 kJ | 4 | 699 | 632 | 761 | 980 | 1044 | 1375 | 1275 | 1087 | 907 | 655 | 676 | 609 | 971 | 482 | 424 | 349 | 349 | 294 | 250 | 235 | 240 | 284 | 240 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | SSW 4 | — | — | — | — | ENE 10 | ENE 10 | ENE 10 | ENE 10 | — | — | — | — | — | — | — | — | — | S 16 |
| kJ | — | — | — | — | — | 7 | — | — | — | — | 826 | 749 | 641 | 562 | — | — | — | — | — | — | — | — | — | 5 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | ENE 8 | NE 8 | — | — | SW 3 | — | SSW 4 | SSW 5 | S 6 | S 7 | S 8 | S 9 | S 9 | S 9 | S 10 | S 10 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 8 | S 8 |
| kJ | 766 | 840 | — | — | 3 | — | 7 | 23 | 165 | 461 | 850 | 896 | 803 | 1396 | 1264 | 1137 | 963 | 766 | 904 | 1349 | 1476 | 1252 | 959 | 746 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 2 | 0 | 0 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 85 | 85 | 127 | 127 |
Best forecast wave conditions in Sydney North Coast | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Ocean Swells (m)- Wind Speed (km/h)
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