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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 Wednesday 20 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 12AM is: 1.3m 10s primary swell from a East-northeast direction (forecast issued at 09:00pm May 20). An open ocean swell of 2.3m 10s is not directed at the surf break, a second open ocean swell of 2.5m 10s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (AEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 May) | - | - |
| Afternoon (21 May) | - | - |
| Evening (21 May) | 4.5ft (1.3m) | 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 ForecastModerate rain (total 16mm), heaviest on Sat afternoon. Very mild (max 19°C on Sat morning, min 13°C on Wed night). Mainly fresh winds. | ||||||||||||||||||||||||
Wed 20 | Thursday 21 | Friday 22 | Saturday 23 | |||||||||||||||||||||
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 10 | ENE 10 | ENE 10 | ENE 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | ENE 10 | E 10 | E 9 | E 10 | E 10 | ESE 10 | SE 10 | SE 11 | SE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 11 | |
426 | 370 | 363 | 312 | 302 | 302 | 250 | 250 | 245 | 200 | 160 | 148 | 142 | 146 | 186 | 307 | 1120 | 1377 | 1288 | 1244 | 1373 | 1434 | 1461 | 1484 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-off | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | |
High Tide | 11:07PM1.68m | 12:18PM1.05m | 00:06AM1.57m | 1:25PM1.06m | 1:09AM1.45m | 2:31PM1.10m | ||||||||||||||||||
Low Tide | 4:33PM0.37m | 6:10AM0.06m | 5:34PM0.44m | 7:10AM0.12m | 6:44PM0.50m | 8:08AM0.17m | ||||||||||||||||||
 |  | | |  |  | | | |  | |  |  | |  |  |  | | | | | | | | |
 | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:43 | — | — | — | — |
 | — | — | — | — | — | — | — | 4:59 | — | — | — | — | — | — | — | 4:58 | — | — | — | — | — | — | — | 4:58 |
— | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | 1 | 1 | 1 | — | — | — | 1 | 1 | 3 | 4 | |
Temp °C | 17 | 15 | 13 | 14 | 14 | 16 | 17 | 17 | 17 | 15 | 16 | 15 | 15 | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 18 | 19 | 19 |
13 | 11 | 9 | 10 | 10 | 11 | 12 | 12 | 12 | 11 | 13 | 11 | 11 | 11 | 13 | 13 | 13 | 14 | 14 | 14 | 15 | 16 | 18 | 18 | |
Swell 1 Height (m) Direction Period (s) | ENE 10 | S 10 | S 10 | ENE 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | ENE 10 | E 10 | E 9 | E 10 | E 10 | ESE 10 | S 12 | S 13 | SE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 11 |
 kJ | 426 | 895 | 1004 | 312 | 302 | 302 | 250 | 250 | 245 | 200 | 160 | 148 | 142 | 146 | 186 | 307 | 26 | 4 | 1288 | 1244 | 1373 | 1434 | 1461 | 1484 |
Swell 2 Height (m) Direction Period (s) | — | ENE 10 | ENE 10 | — | — | — | — | S 16 | — | — | S 16 | S 16 | S 15 | S 14 | S 14 | S 13 | SSW 12 | — | S 11 | — | SE 10 | S 8 | S 22 | S 21 |
| kJ | — | 370 | 363 | — | — | — | — | 5 | — | — | 5 | 5 | 4 | 16 | 33 | 30 | 48 | — | 22 | — | 268 | 18 | 9 | 9 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 14 | S 14 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | 4 | — |
Wind waves Height (m) Direction Period (s) | S 10 | S 10 | S 10 | S 9 | S 9 | S 9 | S 9 | S 8 | S 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 7 | SE 10 | SE 11 | — | SE 10 | — | — | — | — |
| kJ | 858 | 1247 | 1448 | 1374 | 1542 | 1380 | 1204 | 990 | 796 | 569 | 522 | 464 | 469 | 447 | 459 | 382 | 1120 | 1377 | — | 906 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 2 | 2 | 2 | 2 | 3 | 2 | 2 | 85 | 127 | 91 | 2 | 2 | 2 | 2 | 2 | 45 | 91 | 91 | 106 | 90 | 90 | 51 | 3 | 18 |
Best forecast wave conditions in Sydney North Coast | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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