Flinders – current water temperature and swimming conditions
This page shows the current water temperature at Flinders in Victoria. You can view recent sea temperature trends on a 30-day chart, check typical monthly water temperature ranges, and compare today’s reading with historical averages for this date. The page also includes a 7-day water temperature forecast, nearby beaches with similar conditions, local weather information, and a summary of swimming conditions to help you assess how suitable the water is for swimming.
Current Sea Water Temperature
The average sea water temperature today in Flinders is about 13°C.
Water Temperature in Flinders: Daily Trends, Historical Records, and Forecast
❌ Water at this temperature feels cold and is generally suitable only for brief immersion. Swimming without a wetsuit can quickly become uncomfortable, and exposure time is usually short. These conditions are mainly suitable for experienced swimmers or those using proper thermal gear.
It’s important to note that these swimming tips and recommendations apply only in settled weather. When air temperatures drop below 20°C — and sometimes even below 25°C — swimming can feel uncomfortable, even when water temperatures are relatively high.
Water Temperature Over the Last 30 Days
While water temperatures in Flinders declined overall during the past month, they have shown a noticeable rebound over the last week.
According to our forecast, Sea water temperature in Flinders will be 12.3°C in the next 7 days. See the table below for daily data for the upcoming week.
Table of Daily Sea Temperature Data
| Date | Current | Average | Forecast |
|---|---|---|---|
| Aug 15 | 13.2°C | 12.0°C | |
| Aug 16 | 13.2°C | 12.3°C | |
| Aug 17 | 13.2°C | 12.8°C | |
| Aug 18 | 13.1°C | 12.3°C | |
| Aug 19 | 13.2°C | 12.5°C | |
| Aug 20 | 13.2°C | 12.3°C | |
| Aug 21 | 13.2°C | 12.3°C | |
| Aug 22 | 13.3°C | 12.3°C | |
| Aug 23 | 13.3°C | 12.3°C | 13.3°C |
| Aug 24 | 12.3°C | 13.2°C | |
| Aug 25 | 12.0°C | 13.0°C | |
| Aug 26 | 11.7°C | 12.9°C | |
| Aug 27 | 11.7°C | 12.7°C | |
| Aug 28 | 12.0°C | 12.6°C | |
| Aug 29 | 12.0°C | 12.5°C | |
| Aug 30 | 12.0°C | 12.3°C |
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast
Actual near-shore water temperatures in Flinders can vary by several degrees from the values shown, particularly after heavy rain, strong southerlies, or prolonged windy conditions. Certain wind patterns can trigger upwelling, where cooler, deeper water is pushed to the surface and replaces the warmer top layer, leading to noticeable short-term changes in water temperature.
Our water temperature forecast is produced using a proprietary mathematical model that combines real-time measurements with long-term historical patterns, local weather conditions, wind strength and direction, and air temperature specific to each coastal region. To improve accuracy, we cross-check data from nearby locations and use multiple sources, including offshore buoys, satellite-based sea surface maps, and observations provided by local authorities.
Annual Water Temperature Overview by Month
Monthly Water Temp Ranges
Annual Water Temperature Trend
Flinders sits at the western end of the Mornington Peninsula, looking out across Western Port with the Bass Strait just beyond, and water temperatures here reflect the cooler southern Victorian coast. In summer, the water usually warms to around 18–22 °C, which feels refreshing but comfortable for swimming on warm days. Autumn often stays mild, with temperatures commonly between 16–20 °C, while spring is cooler at roughly 14–18 °C as the water gradually warms after winter. During winter, water temperatures typically drop to about 11–14 °C, which feels quite cold and usually limits swimming to short dips or those wearing wetsuits.
Monthly Water Temperature Range (Min, Max & Average)
| Month | Min | Avg | Max |
|---|---|---|---|
| January | 15°C | 19°C | 22°C |
| February | 17°C | 19°C | 22°C |
| March | 17°C | 19°C | 21°C |
| April | 15°C | 18°C | 20°C |
| May | 14°C | 16°C | 18°C |
| June | 12°C | 14°C | 16°C |
| July | 11°C | 13°C | 15°C |
| August | 11°C | 13°C | 14°C |
| September | 11°C | 13°C | 14°C |
| October | 12°C | 14°C | 16°C |
| November | 13°C | 16°C | 18°C |
| December | 15°C | 18°C | 21°C |
* Click on a month to view detailed water temperature data.
Flinders: Weather Forecast
August 24
August 25
August 26
Local Water Conditions and Nearby Spots
Nearby Beaches and Water Temperatures
Ocean Beach
Pilot Station
Kennon Cove
Flinders Dog Beach
Mornington Park Beach
Musk Creek
Beach 240
Cairns Bay
Cairn Beach
Swimming Conditions
Swimming in Flinders is allowed and generally calmer than on fully exposed ocean beaches. The foreshore is partly sheltered, so waves are usually smaller and conditions suit relaxed swimming, especially in summer when the water is at its warmest. Tidal movement in Western Port can influence water depth and currents, so conditions change through the day, but they are typically manageable for confident swimmers. Families often prefer swimming close to shore during high tide. In cooler months, locals who continue swimming tend to keep sessions brief or use wetsuits. Overall, Flinders offers clean water, clear seasonal temperature changes, and easy swimming opportunities in a scenic and low-key coastal setting.
🏄♀️ Nearby Surf Spots and Water Temperatures
Farm
Cyrils and Big Left
Gunnery
Meanos
Peak Rock
Honeysuckle Point
Pines
Bushrangers Bay
Point Leo
Location, Type and Nearby Places
Address: Shire of Mornington Peninsula
Place Tags:Coastal Town
Water Temperature in Nearby Places
