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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 3 am Thursday 21 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 8AM is: 1.2m 10s primary swell from a East direction (forecast issued at 03:00am May 21). An open ocean swell of 3.0m 9s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (AEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 May) | 4ft (1.2m) | 10s |
| Afternoon (21 May) | 3.5ft (1.1m) | 10s |
| Evening (21 May) | 3.5ft (1.0m) | 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 11mm), heaviest on Sat morning. Very mild (max 19°C on Sat afternoon, min 15°C on Thu morning). Winds decreasing (fresh winds from the SSW on Thu morning, light winds from the E by Sat night). | ||||||||||||||||||||||||
Thursday 21 | Friday 22 | Saturday 23 | ||||||||||||||||||||||
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 | ENE 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | SE 8 | SE 10 | SE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 11 | ESE 11 | E 11 | E 11 | |
363 | 312 | 302 | 302 | 250 | 250 | 204 | 200 | 190 | 151 | 145 | 149 | 661 | 1137 | 1267 | 1040 | 1294 | 1170 | 1186 | 1082 | 1485 | 1628 | 1694 | 1655 | |
Wind (km/h) | ||||||||||||||||||||||||
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 | on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-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 | 6:10AM0.06m | 5:34PM0.44m | 7:10AM0.12m | 6:44PM0.50m | 8:08AM0.17m | 8:01PM0.53m | ||||||||||||||||||
 | |  | | | | |  | |  |  | |  | | |  | | | |  | | | | | |
 | — | 6:43 | — | — | — | — | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:43 | — | — | — | — | — | — |
 | — | — | — | — | — | 4:59 | — | — | — | — | — | — | — | 4:58 | — | — | — | — | — | — | — | 4:58 | — | — |
— | — | — | — | — | — | — | 1 | 1 | — | — | — | 1 | 1 | — | 1 | — | — | — | 1 | 2 | 2 | 1 | — | |
Temp °C | 14 | 14 | 14 | 15 | 16 | 17 | 17 | 15 | 16 | 16 | 15 | 17 | 17 | 18 | 17 | 17 | 17 | 17 | 17 | 18 | 18 | 19 | 19 | 19 |
10 | 9 | 9 | 9 | 10 | 12 | 12 | 11 | 12 | 12 | 11 | 13 | 13 | 14 | 13 | 13 | 14 | 14 | 15 | 16 | 16 | 18 | 17 | 17 | |
Swell 1 Height (m) Direction Period (s) | ENE 10 | ENE 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | S 14 | S 13 | S 12 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 11 | ESE 11 | E 11 | E 11 |
 kJ | 363 | 312 | 302 | 302 | 250 | 250 | 204 | 200 | 190 | 151 | 145 | 149 | 33 | 30 | 25 | 1040 | 1294 | 1170 | 1186 | 1082 | 1485 | 1628 | 1694 | 1655 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | S 16 | — | — | S 16 | S 16 | S 15 | S 14 | — | — | — | — | S 11 | — | SSW 9 | E 12 | S 22 | S 21 | S 19 | S 18 |
| kJ | — | — | — | — | — | 5 | — | — | 5 | 5 | 4 | 16 | — | — | — | — | 20 | — | 15 | 190 | 9 | 8 | 29 | 26 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 14 | S 14 | SSW 19 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | 4 | 71 | — |
Wind waves Height (m) Direction Period (s) | S 10 | S 9 | S 9 | S 9 | S 9 | S 8 | S 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SE 8 | SE 10 | SE 10 | S 7 | — | — | — | SSW 8 | — | — | — | — |
| kJ | 1092 | 1411 | 1610 | 1436 | 1254 | 1014 | 796 | 620 | 539 | 539 | 525 | 501 | 661 | 1137 | 1267 | 126 | — | — | — | 19 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 2 | 2 | 2 | 90 | 91 | 91 | 85 | 2 | 85 | 2 | 2 | 91 | 91 | 91 | 106 | 118 | 118 | 51 | 85 | 91 | 18 | 18 | 85 | 18 |
Best forecast wave conditions in Sydney North Coast | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
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