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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 am Wednesday 27 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
20.8° C
(Which is slightly warmer than usual)How big are the waves at Mona Vale-The Basin today?
The current surf forecast for Mona Vale-The Basin at 1PM is: 2.2m 12s primary swell from a East direction (forecast issued at 09:00am May 27). An open ocean swell of 0.2m 10s is not directed at the surf break. The wind direction is predicted to be glassy and the swell rating is 4.
| Time (AEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 May) | 7.5ft (2.3m) | 12s |
| Afternoon (27 May) | 7ft (2.2m) | 12s |
| Evening (27 May) | 6.5ft (2.0m) | 12s |
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 60mm), heaviest during Thu night. Warm (max 20°C on Wed morning, min 15°C on Fri night). Winds increasing (calm on Wed morning, fresh winds from the SSW by Fri afternoon). | ||||||||||||||||||||||||
Wednesday 27 | Thursday 28 | Friday 29 | Sat 30 | |||||||||||||||||||||
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 | 1 AM | 4 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 11 | E 11 | E 11 | E 11 | E 11 | E 11 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | |
1749 | 1581 | 1448 | 1290 | 1269 | 1113 | 988 | 972 | 828 | 771 | 743 | 730 | 819 | 639 | 703 | 663 | 569 | 567 | 555 | 546 | 494 | 557 | 575 | 510 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | glassy | on | on | cross-on | glassy | cross | cross-on | cross-on | on | cross-on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross-off | |
High Tide | 5:11AM1.11m | 5:46PM1.42m | 6:01AM1.07m | 6:22PM1.47m | 6:46AM1.05m | 6:57PM1.52m | ||||||||||||||||||
Low Tide | 11:11AM0.31m | 00:17AM0.35m | 11:47AM0.33m | 1:00AM0.29m | 12:23PM0.35m | 1:41AM0.25m | ||||||||||||||||||
 |  | | |  |  |  | |  |  | |  | | |  | | | | | | | | | | |
 | 6:47 | — | — | — | — | — | — | 6:47 | — | — | — | — | — | — | — | 6:48 | — | — | — | — | — | — | — | 6:48 |
 | — | — | — | 4:55 | — | — | — | — | — | — | — | 4:54 | — | — | — | — | — | — | — | 4:54 | — | — | — | 4:54 |
— | — | — | — | — | 1 | 2 | 2 | 1 | 1 | 2 | 2 | 2 | 5 | 19 | 5 | 5 | 4 | 3 | 1 | 1 | 2 | 2 | — | |
Temp °C | 17 | 17 | 20 | 19 | 19 | 19 | 18 | 17 | 17 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 18 | 18 | 17 | 16 |
18 | 17 | 20 | 19 | 20 | 20 | 19 | 17 | 16 | 19 | 18 | 18 | 17 | 17 | 17 | 16 | 17 | 17 | 16 | 16 | 15 | 16 | 14 | 12 | |
Swell 1 Height (m) Direction Period (s) | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 11 | E 11 | E 11 | E 11 | E 11 | E 11 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | S 7 |
 kJ | 1749 | 1581 | 1448 | 1290 | 1269 | 1113 | 988 | 972 | 828 | 771 | 743 | 730 | 819 | 639 | 703 | 663 | 569 | 567 | 555 | 546 | 494 | 557 | 575 | 315 |
Swell 2 Height (m) Direction Period (s) | S 10 | S 10 | S 10 | S 10 | S 10 | S 9 | S 9 | S 9 | S 9 | S 8 | S 8 | S 17 | S 16 | S 16 | SSE 8 | S 11 | S 15 | S 15 | — | S 17 | S 16 | S 16 | S 16 | E 10 |
| kJ | 18 | 8 | 8 | 17 | 30 | 41 | 40 | 38 | 36 | 35 | 34 | 22 | 21 | 20 | 19 | 9 | 18 | 17 | — | 6 | 5 | 5 | 5 | 510 |
Swell 3 Height (m) Direction Period (s) | S 17 | S 17 | S 16 | S 16 | S 16 | S 16 | S 16 | S 15 | — | S 14 | S 17 | S 13 | SSW 4 | S 16 | S 15 | S 15 | — | — | — | — | — | — | — | S 15 |
| kJ | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 4 | — | 16 | 23 | 3 | 11 | 45 | 18 | 18 | — | — | — | — | — | — | — | 5 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | S 3 | S 3 | S 4 | S 5 | SSE 8 | S 8 | SSE 4 | SSE 5 | S 5 | S 6 | S 7 | S 7 | S 7 | S 8 | S 8 | S 8 | SSW 7 |
| kJ | — | — | — | — | — | — | — | 5 | 5 | 42 | 20 | 112 | 32 | 31 | 29 | 82 | 217 | 388 | 554 | 675 | 694 | 745 | 451 | 482 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 2 | 2 | 2 | 0 | 2 | 2 | 2 | 2 | 18 | 18 | 127 | 121 | 83 | 50 | 50 | 86 | 90 | 85 | 2 | 3 | 3 |
Best forecast wave conditions in Sydney North Coast | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
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Ocean Swells (m)- Wind Speed (km/h)
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