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Mona Vale-The Basin Surf Forecast
/ NSW – Sydney North Coast (39 breaks) / New South Wales (297 breaks) /
Mona Vale-The Basin surfForecast / NSW – Sydney North Coast / Australia
12 Day Weather and Surf, issued 9 am Monday 28 Apr 2025 AEST
Best Forecast Surf Conditions for Mona Vale-The Basin this week:
The surf forecast for Mona Vale-The Basin over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Apr 28) at 7PM. The primary swell is predicted to be 1.9m and 8s period. The wind is predicted to be cross-shore as the swell arrives.
The most powerful waves expected at Mona Vale-The Basin in the next 12 days are 3.5m 9s and forecast to arrive on Thursday (May 01) at 4PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.5m 9s period and expected on Wednesday (Apr 30) at 4PM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7PM (Mon 28th Apr) | 6ft (1.9m) 8s |
| Best Surf | 4AM (Tue 29th Apr) | 4.5ft (1.4m) 8s |
| Most Powerful | 4PM (Thu 1st May) | 11ft (3.5m) 9s |
Table - best surf conditions forecast for Mona Vale-The Basin over the next 12 days.
Monday 28 | Tuesday 29 | Wednesday 30 | Thursday 01 | Friday 02 | Saturday 03 | Sunday 04 | Monday 05 | Tuesday 06 | Wednesday 07 | Thursday 08 | Friday 09 | |||||||||||||||||||||||||
| AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Rating (10 max) | ||||||||||||||||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  |  |  |  |  | ||||||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||||||||||||||
| Period(s) (?) | 9 | 9 | 8 | 8 | 9 | 9 | 6 | 9 | 9 | 8 | 9 | 9 | 9 | 12 | 11 | 10 | 10 | 10 | 9 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 9 | 10 | 10 | 10 | 10 | 10 | 11 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||
| Energy (?) | 813 | 560 | 302 | 233 | 320 | 230 | 137 | 85 | 80 | 1310 | 1809 | 196 | 794 | 1280 | 990 | 759 | 576 | 459 | 345 | 267 | 163 | 146 | 176 | 167 | 139 | 142 | 163 | 488 | 617 | 1055 | 2518 | 1792 | 1570 | 1802 | 2117 | 1814 |
Wind (km/h) | ||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross | cross | cross- on | cross- on | cross | cross- on | cross- on | on | cross- on | cross- on | cross- on | cross- on | cross | cross- on | on | on | on | on | cross- on | on | on | glass | on | on | on | on | on | on | cross- on | cross | cross | cross- off | cross- off | cross- off |
High Tide / height (m) | 8:36PM 1.77 | 9:14AM 1.27 | 9:22PM 1.77 | 10:09AM 1.17 | 10:11PM 1.73 | 11:07AM 1.07 | 11:04PM 1.64 | 12:12PM 1.00 | 12:02AM 1.53 | 1:23PM 0.97 | 1:06AM 1.42 | 2:37PM 0.98 | 2:14AM 1.34 | 3:43PM 1.04 | 3:20AM 1.27 | 4:35PM 1.12 | 4:18AM 1.23 | 5:17PM 1.21 | 5:09AM 1.20 | 5:53PM 1.30 | 5:53AM 1.17 | 6:25PM 1.38 | ||||||||||||||
Low Tide / height (m) | 2:11PM 0.11 | 3:13AM -0.04 | 2:54PM 0.19 | 4:08AM -0.02 | 3:40PM 0.28 | 5:05AM 0.04 | 4:29PM 0.37 | 6:06AM 0.12 | 5:24PM 0.46 | 7:12AM 0.20 | 6:30PM 0.54 | 8:18AM 0.25 | 7:48PM 0.58 | 9:19AM 0.28 | 9:08PM 0.58 | 10:10AM 0.29 | 10:18PM 0.54 | 10:51AM 0.29 | 11:15PM 0.48 | 11:26AM 0.29 | 12:03AM 0.41 | 11:58AM 0.29 | 12:45AM 0.35 | |||||||||||||
Monday 28 | Tuesday 29 | Wednesday 30 | Thursday 01 | Friday 02 | Saturday 03 | Sunday 04 | Monday 05 | Tuesday 06 | Wednesday 07 | Thursday 08 | Friday 09 | |||||||||||||||||||||||||
| Sunrise | 6:26 | - | - | 6:26 | - | - | 6:26 | - | - | 6:28 | - | - | 6:28 | - | - | 6:28 | - | - | 6:30 | - | - | 6:31 | - | - | 6:31 | - | - | 6:31 | - | - | 6:33 | - | - | 6:33 | - | - |
| Sunset | - | 5:17 | - | - | 5:16 | - | - | 5:15 | - | - | 5:15 | - | - | 5:14 | - | - | 5:13 | - | - | 5:12 | - | - | 5:10 | - | - | 5:09 | - | - | 5:08 | - | - | 5:07 | - | - | 5:07 | - |
 |  |  | |  |  |  | |  | |  |  | | | | | |  | |  | | | | | | | | | | | | | | | |  | |
Rain (mm) | 2 | - | 1 | 1 | 2 | 20 | 2 | 2 | 17 | - | - | 3 | 1 | 2 | 1 | - | - | - | - | - | 3 | - | - | 3 | 2 | 1 | 4 | 3 | 5 | 11 | 4 | 1 | 1 | 1 | - | - |
| Temp. °C | 21 | 20 | 18 | 20 | 20 | 18 | 17 | 17 | 18 | 18 | 18 | 17 | 16 | 18 | 18 | 18 | 19 | 19 | 19 | 19 | 19 | 20 | 19 | 19 | 20 | 20 | 19 | 20 | 20 | 20 | 20 | 19 | 19 | 22 | 22 | 19 |
| Feels °C (?) | 17 | 17 | 18 | 19 | 19 | 17 | 12 | 10 | 11 | 12 | 12 | 13 | 13 | 15 | 15 | 16 | 16 | 16 | 16 | 17 | 18 | 19 | 17 | 20 | 17 | 17 | 16 | 17 | 17 | 16 | 17 | 16 | 18 | 22 | 23 | 19 |
Short Range Forecast: Heavy rain (total 47mm), heaviest during Tue night. Warm (max 21°C on Mon morning, min 16°C on Mon night). Winds increasing (light winds from the SW on Mon night, fresh winds from the S by Wed morning). | Days 3-6 Weather Summary Light rain (total 7mm), mostly falling on Thu night. Very mild (max 19°C on Sat afternoon, min 16°C on Thu night). Winds decreasing (fresh winds from the S on Thu morning, light winds from the S by Sat night). | Days 6-9 Weather Summary Moderate rain (total 13mm), heaviest on Tue night. Warm (max 20°C on Mon morning, min 18°C on Sun morning). Wind will be generally light. | Long Range Forecast: Heavy rain (total 26mm), heaviest during Wed night. Warm (max 22°C on Fri morning, min 15°C on Fri night). Winds decreasing (fresh winds from the SE on Wed afternoon, light winds from the N by Fri afternoon). | |||||||||||||||||||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Mona Vale-The Basin surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Information about the Mona Vale-The Basin Surf forecast
The above surf forecast table for Mona Vale-The Basin provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Mona Vale-The Basin can be found by selecting the local surf guide option on the grey menu. Our Mona Vale-The Basin surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Mona Vale-The Basin) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Mona Vale-The Basin may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Mona Vale-The Basin is 8 km (5 miles) from Dee Why. If you plan a holiday in Sydney North Coast, look for hotels and other accommodation in Dee Why. Dee Why has rooms for a wide range of budgets as well as car hire and transport links.
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