Portsea Back Beach Surf Forecast and Surf Reports

(Mornington Peninsula, Australia)

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- Hourly Forecast
- 16 Day Forecast
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Spot Information

Portsea Back Beach Surf Guide

Portsea Back Beach in Mornington Peninsula is an exposed beach break that has very consistent waves and works all around the year. The best wind direction is from the northeast. Groundswells are more common than windswells and the optimum swell angle is from the southwest. The beach break provides left and right handers. Best around mid tide. It very rarely gets crowded here. Watch out for rips, locals and sharks.

Portsea Back Beach Spot Info

Type:	Rating:	Reliability:	Todays Sea Temp*:
Beach	3	very consistent	16.9°C*ocean temperature recorded from satellite

Surfing Portsea Back Beach:

The best conditions reported for surf at Portsea Back Beach occur when a Southwest swell combines with an offshore wind direction from the Northeast.

Hourly Forecast

16 Day Forecast

What's the best time of year to surf Portsea Back Beach (for consistent clean waves)?

aprilBest Season: autumn

The best time of year for surfing Portsea Back Beach with consistent clean waves (rideable swell with light / offshore winds) is during Autumn and most often the month of April. Clean surfable waves are typically found 33% of the time in April while 61% of the time it tends to be blown out. For the remaining 6% of the time it is considered too small by most surfers but may still be OK for beginners and groms at times.

clean

33%

Surfable waves that hold up well for longer rides in prevailing cross-offshore, offshore or light wind conditions.

blown out

61%

Surfable sized waves that are of poorer quality due to prevailing onshore, cross-onshore or windy conditions (may be preferable for kitesurfing).

too small

Waves usually considered too small for good surf. Some wave-magnet breaks may still work though if conditions are right (on occasion).

Explore Portsea Back Beach Location Map

Interactive Portsea Back Beach surf break location map. View information about nearby surf breaks, their wave consistency and rating compared to other spots in the region. Current swell conditions from local buoys are shown along with live wind speed and direction from nearby weather stations. Click icons on the map for more detail. The closest passenger airport to Portsea Back Beach is Avalon Airport (AVV) in Australia, 37 km (23 miles) away (directly). The second nearest airport to Portsea Back Beach is Melbourne Moorabbin Airport (MBW), also in Australia, 53 km (33 miles) away.

Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)

Please note that some surf spot locations are approximate to protect their exact location while others are not shown at close zoom level.

Portsea Back Beach Surf Forecasts:

Hourly Forecast

16 Day Forecast

Todays Surf Summary
Thursday, 7 May 2026, 19:12 Local Time

m, °C	Thu		Fri
ft, °F	7PM	10PM	1AM	4AM
Wave (m)	SW	SW	SW	SW
Period (s)	14	15	14	10
Wind (km/h)
Wind State	cross- on	cross- on	cross- on	on

What does Portsea Back Beach look like?

Latest photos from Portsea Back Beach. Upload your own or view all photos on the gallery page.

Credit: Chris Credit: Bubbles Credit: Nick Credit: Nick

Tides at Portsea Back Beach

Current tide and informaton

For Port Phillip Heads, Australia, 7 km from Portsea Back Beach.

Next High Water: 03:12am | 1.3m

Next Low Water: 09:52pm | 0.65m

NEXT	IS AT (local time)	remaining
high tide
low tide

Portsea Back Beach Sea Temperature

The water temperature (16.9 °C) at Portsea Back Beach is quite cool. You will need a quality spring wetsuit, and maybe neoprene hood because it will be cloudy with an effective air temperature of just (9.0 °C). Gloves are a good idea, neoprene boots optional.

Today, many surfers would wear a spring wetsuit, a neoprene hood and gloves.