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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 Sunday 17 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 9AM is: 2.1m 9s primary swell from a East direction (forecast issued at 03:00am May 17). An open ocean swell of 0.1m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (AEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 May) | 7ft (2.1m) | 9s |
| Afternoon (17 May) | 7ft (2.1m) | 9s |
| Evening (17 May) | 8ft (2.5m) | 9s |
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 34mm), heaviest during Tue night. Warm (max 20°C on Sun morning, min 14°C on Tue night). Winds increasing (calm on Mon morning, fresh winds from the SW by Tue night). | ||||||||||||||||||||||||
Sunday 17 | Monday 18 | Tuesday 19 | ||||||||||||||||||||||
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 8 | E 8 | E 9 | E 9 | E 9 | E 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | NE 8 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 10 | ENE 10 | ENE 10 | |
645 | 559 | 653 | 694 | 710 | 726 | 870 | 999 | 740 | 791 | 724 | 741 | 662 | 573 | 506 | 733 | 482 | 456 | 471 | 517 | 641 | 862 | 1201 | 1226 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | glassy | glassy | glassy | cross-off | glassy | glassy | cross-on | cross-on | cross | cross | cross | cross | |
High Tide | 8:22AM1.22m | 8:30PM1.80m | 9:17AM1.18m | 9:19PM1.80m | 10:14AM1.12m | |||||||||||||||||||
Low Tide | 2:24AM-0.01m | 2:00PM0.19m | 3:17AM-0.04m | 2:48PM0.24m | 4:13AM-0.03m | 3:38PM0.30m | ||||||||||||||||||
 |  |  | |  | |  | | |  | | | | | |  | | |  | | | | |  | |
 | — | 6:39 | — | — | — | — | — | — | — | 6:39 | — | — | — | — | — | — | — | 6:41 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:00 | — | — | — | — | — | — | — | 5:00 | — | — | — | — | — | — | — | 5:00 | — | — |
1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 3 | 3 | 2 | — | — | 2 | 7 | |
Temp °C | 18 | 17 | 17 | 18 | 20 | 20 | 19 | 19 | 18 | 16 | 16 | 18 | 20 | 18 | 19 | 18 | 16 | 16 | 16 | 17 | 17 | 18 | 16 | 15 |
19 | 18 | 18 | 18 | 20 | 20 | 19 | 19 | 18 | 15 | 16 | 18 | 20 | 18 | 20 | 18 | 17 | 17 | 17 | 17 | 16 | 17 | 14 | 10 | |
Swell 1 Height (m) Direction Period (s) | E 8 | E 8 | E 9 | E 9 | E 9 | E 9 | E 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 10 | ENE 10 | ENE 10 |
 kJ | 513 | 559 | 653 | 694 | 710 | 726 | 726 | 826 | 740 | 791 | 724 | 741 | 662 | 573 | 506 | 541 | 482 | 456 | 471 | 517 | 641 | 862 | 1201 | 1226 |
Swell 2 Height (m) Direction Period (s) | S 8 | S 8 | S 8 | — | — | — | — | — | S 17 | — | — | — | — | — | S 15 | — | — | — | — | — | — | — | — | — |
| kJ | 5 | 5 | 1 | — | — | — | — | — | 5 | — | — | — | — | — | 4 | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | S 12 | — | S 12 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 3 | — | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | ENE 8 | — | — | — | — | — | ENE 9 | ENE 9 | — | — | — | — | — | — | — | NE 8 | — | — | — | — | SSW 3 | SSW 2 | SW 3 | SSW 6 |
| kJ | 645 | — | — | — | — | — | 870 | 999 | — | — | — | — | — | — | — | 733 | — | — | — | — | 2 | 1 | 9 | 173 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 2 | 2 | 3 | 73 |
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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