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Portsea Back Beach Surf Forecast
/ VIC – Mornington Peninsula (24 breaks) / Victoria (127 breaks) /
Surf Forecasts:
Portsea Back Beach surfForecast / VIC – Mornington Peninsula / Australia
12 Day Weather and Surf, issued 4 pm Thursday 19 Feb 2026 AEDTForecast update in hr min s Forecast update imminent
Portsea Back Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Portsea Back Beach sea temperature is
18.7° C
(Which is slightly warmer than usual)Best Forecast Surf Conditions for Portsea Back Beach this week:
The surf forecast for Portsea Back Beach over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Feb 20) at 2AM. The primary swell is predicted to be 2.3m and 13s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Portsea Back Beach in the next 12 days are 3.0m 16s and forecast to arrive on Monday (Feb 23) at 11PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 6s period and expected on Thursday (Feb 26) at 11AM.
| Wave Type | Time (AEDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Fri 20th Feb) | 7.5ft (2.3m) 13s |
| Best Surf | 5AM (Tue 24th Feb) | 10ft (3.0m) 15s |
| Most Powerful | 11PM (Mon 23rd Feb) | 10ft (3.0m) 16s |
Table - best surf conditions forecast for Portsea Back Beach over the next 12 days.
Updates in hr min s Forecast update imminent
Short Range Forecast Mostly dry. Warm (max 23°C on Fri afternoon, min 16°C on Thu night). Mainly fresh winds. | Days 3-6 Weather Summary Moderate rain (total 11mm), heaviest on Sun night. Warm (max 22°C on Sun afternoon, min 14°C on Mon night). Winds decreasing (fresh winds from the SW on Sun night, calm by Tue morning). | ||||||||||||||||||||||
Thu 19 | Friday 20 | Saturday 21 | Sunday 22 | Monday 23 | Tuesday 24 | Wednesday 25 | |||||||||||||||||
| PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | |||
Rating (10 max) | |||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||||
| Wave Height (m) & direction (?) | |||||||||||||||||||||||
| Period(s) (?) | 12 | 13 | 15 | 14 | 14 | 13 | 13 | 12 | 12 | 12 | 12 | 13 | 16 | 16 | 15 | 14 | 13 | 13 | 12 | 13 | 13 | ||
Wave (?)Graph  | |||||||||||||||||||||||
 kJ (?) | 1379 | 1723 | 2416 | 1956 | 1343 | 839 | 865 | 565 | 450 | 389 | 232 | 946 | 3096 | 3827 | 2597 | 1956 | 1179 | 946 | 959 | 1037 | 669 | ||
Wind (km/h) | |||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- off | off | cross | cross- on | cross | cross | off | cross- off | cross- off | on | on | cross- on | cross- off | glass | cross- on | cross- on | cross | cross- on | cross- off | cross- off | ||
High Tide / height (m) | 2:42AM 1.31 | 2:48PM 1.27 | 3:14AM 1.35 | 3:35PM 1.36 | 3:45AM 1.39 | 4:20PM 1.43 | 4:16AM 1.42 | 5:04PM 1.46 | 4:48AM 1.44 | 5:50PM 1.46 | 5:22AM 1.43 | 6:38PM 1.42 | 6:01AM 1.40 | ||||||||||
Low Tide / height (m) | 8:16PM 0.27 | 8:51AM 0.39 | 9:01PM 0.27 | 9:27AM 0.28 | 9:42PM 0.30 | 10:02AM 0.18 | 10:21PM 0.35 | 10:38AM 0.11 | 10:59PM 0.42 | 11:17AM 0.06 | 11:38PM 0.50 | 11:59AM 0.05 | 12:20AM 0.59 | 12:46PM 0.08 | |||||||||
Thu 19 | Friday 20 | Saturday 21 | Sunday 22 | Monday 23 | Tuesday 24 | Wednesday 25 | |||||||||||||||||
| Sunrise | - | - | 6:54 | - | - | 6:54 | - | - | 6:56 | - | - | 6:56 | - | - | 6:58 | - | - | 6:58 | - | - | 7:01 | ||
| Sunset | 8:15 | - | - | 8:14 | - | - | 8:13 | - | - | 8:12 | - | - | 8:09 | - | - | 8:08 | - | - | 8:07 | - | - | ||
 |  | | | | | | |  |  |  |  | | | | | | | |  | | |||
Rain (mm) | - | - | - | - | - | - | - | - | - | 3 | 8 | - | - | - | - | - | - | - | - | - | - | ||
| Temp. °C | 18 | 18 | 17 | 23 | 21 | 18 | 19 | 19 | 22 | 22 | 20 | 16 | 16 | 15 | 16 | 20 | 17 | 16 | 17 | 18 | 17 | ||
| Feels °C (?) | 16 | 16 | 16 | 21 | 18 | 18 | 17 | 19 | 20 | 19 | 19 | 12 | 12 | 11 | 16 | 18 | 13 | 12 | 13 | 18 | 11 | ||
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Live Wave Height (m)
Live Wind Speed (km/h)
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Ocean Swells (m)- Wind Speed (km/h)
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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 Portsea Back Beach 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 Portsea Back Beach Surf forecast
The above surf forecast table for Portsea Back Beach provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Portsea Back Beach can be found by selecting the local surf guide option on the grey menu. Our Portsea Back Beach 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 (Portsea Back Beach) 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 Portsea Back Beach 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.
Portsea Back Beach is 29 km (18 miles) from Geelong. If you plan a holiday in Mornington Peninsula, look for hotels and other accommodation in Geelong. Geelong has rooms for a wide range of budgets as well as car hire and transport links.
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