Trigg Beach – current water temperature and swimming conditions
This page shows the current water temperature at Trigg Beach in Western Australia. 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 Trigg Beach is about 23°C.
Water Temperature in Trigg Beach: Daily Trends, Historical Records, and Forecast
✅ Water in this range is comfortably warm and widely considered ideal for swimming. Most people can stay in the water for a long time without feeling cold. It works well for families, recreational swimming, and active water sports such as swimming, surfing, and paddleboarding.
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
Water temperatures in Trigg Beach have remained fairly stable over the past 30 days, though a cooler trend has emerged in the last week.
According to our forecast, Sea water temperature in Trigg Beach will be 23.1°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 |
|---|---|---|---|
| Mar 12 | 24.1°C | 23.3°C | |
| Mar 13 | 24.2°C | 23.0°C | |
| Mar 14 | 24.2°C | 22.5°C | |
| Mar 15 | 23.5°C | 22.8°C | |
| Mar 16 | 23.3°C | 22.5°C | |
| Mar 17 | 23.3°C | 22.5°C | |
| Mar 18 | 23.0°C | 22.8°C | |
| Mar 19 | 23.1°C | 23.0°C | |
| Mar 20 | 23.1°C | 23.0°C | 23.1°C |
| Mar 21 | 23.0°C | 23.1°C | |
| Mar 22 | 23.3°C | 23.1°C | |
| Mar 23 | 22.7°C | 23.1°C | |
| Mar 24 | 22.3°C | 23.1°C | |
| Mar 25 | 22.7°C | 23.1°C | |
| Mar 26 | 23.0°C | 23.1°C | |
| Mar 27 | 23.0°C | 23.1°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 Trigg Beach 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
Trigg Beach sits on Perth’s City Coast just north of Scarborough, facing the Indian Ocean with a mix of open sand and reef platforms that shape local conditions. Water temperatures here are typical for the metro coastline and suit swimming for a large part of the year. In summer, from December to February, the sea usually ranges between 21–24°C, feeling warm and refreshing on hot days. Autumn remains comfortable at around 19–22°C. Winter is cooler and more bracing, generally about 16–18°C, while spring brings a steady warm-up again, usually sitting between 18–21°C as air temperatures rise.
Monthly Water Temperature Range (Min, Max & Average)
| Month | Min | Avg | Max |
|---|---|---|---|
| January | 20°C | 23°C | 24°C |
| February | 20°C | 23°C | 26°C |
| March | 20°C | 23°C | 26°C |
| April | 19°C | 22°C | 24°C |
| May | 19°C | 22°C | 24°C |
| June | 18°C | 21°C | 23°C |
| July | 17°C | 20°C | 22°C |
| August | 17°C | 19°C | 21°C |
| September | 16°C | 19°C | 21°C |
| October | 17°C | 19°C | 21°C |
| November | 17°C | 19°C | 22°C |
| December | 18°C | 21°C | 23°C |
* Click on a month to view detailed water temperature data.
Trigg Beach: Weather Forecast
March 21
March 22
March 23
Local Water Conditions and Nearby Spots
Nearby Beaches and Water Temperatures
Trigg Beach
South Trigg Beach
Bennion Beach
Mettam's Pool
Hamersley Pool
North Beach
Mettams Pool
Marmion Marine Park
Watermans Bay
Swimming Conditions
Swimming at Trigg Beach is allowed and popular, though conditions vary depending on swell and wind. The sandy sections and reef-protected areas can create calmer water on the right day, making swimming enjoyable for confident swimmers, particularly in summer. The beach is also well known for surf breaks, so waves and currents can be stronger than at more sheltered bays, especially in the afternoons. Morning swims are often the best option, before sea breezes pick up. In summer, most people swim without wetsuits, while spring and autumn suit shorter dips. Winter swimming is mainly for locals used to cooler water or those wearing light thermal gear. Overall, Trigg Beach offers energetic but rewarding swimming in clean Indian Ocean water, balancing active coastal conditions with good seasonal water temperatures.
🏄♀️ Nearby Surf Spots and Water Temperatures
Trigg Point
Trigg Beach
Swanbourne Beach
Bennion Beach Cleggies
Observation City
Scarborough Beach
Grabbers
Floreat groyne
Watermans
Location, Type and Nearby Places
Water Temperature in Nearby Places
