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Nanarup Beach – current water temperature and swimming conditions

This page shows the current water temperature at Nanarup 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.

Nanarup Beach
Nanarup Beach © Risham Shroff

Current Sea Water Temperature

20.6°C
Today
20.4°C
Yesterday
20.8°C
A Week Ago

The average sea water temperature today in Nanarup Beach is about 21°C.

Water Temperature in Nanarup Beach: Daily Trends, Historical Records, and Forecast

✅ This water feels mild to warm and is comfortable for the majority of swimmers. Swimming is enjoyable, though longer stays may feel cooler for some people, especially in windy conditions. These temperatures are well suited to family outings and active swimming, particularly on warm days.

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

From February 18 to March 20

Over the past 30 days, water temperatures in Nanarup Beach have generally increased, although a slight cooling trend has set in over the last week.

According to our forecast, Sea water temperature in Nanarup Beach will be 21.1°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 1221.0°C21.5°C
Mar 1320.8°C21.5°C
Mar 1420.8°C21.5°C
Mar 1520.6°C21.5°C
Mar 1620.6°C22.0°C
Mar 1720.5°C21.8°C
Mar 1820.5°C21.5°C
Mar 1920.4°C21.8°C
Mar 2020.6°C21.8°C20.6°C
Mar 2122.3°C20.7°C
Mar 2222.0°C20.7°C
Mar 2322.3°C20.8°C
Mar 2422.3°C20.9°C
Mar 2522.0°C21.0°C
Mar 2621.3°C21.0°C
Mar 2722.0°C21.1°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 Nanarup 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

30°C
25°C
20°C
15°C
10°c
5°C
0°C

Annual Water Temperature Trend

Nanarup Beach lies just east of Esperance and faces straight into the open sweep of the Great Australian Bight, giving it a raw and energetic coastal feel. Water temperatures here follow the familiar pattern of the far south coast. In summer, from December to February, the sea usually sits around 18–22°C, which can feel quite comfortable on warm days. Autumn sees a gradual cooling to about 16–19°C, while winter is distinctly cold, most often between 13–15°C. Spring brings a slow rise again, generally 15–17°C, though frequent southerly winds can make the water feel cooler than the numbers suggest.

Monthly Water Temperature Range (Min, Max & Average)

Month Min Avg Max
January18°C21°C23°C
February18°C21°C24°C
March19°C22°C24°C
April18°C22°C24°C
May19°C21°C24°C
June17°C21°C23°C
July17°C20°C21°C
August17°C19°C20°C
September16°C18°C20°C
October16°C18°C20°C
November17°C19°C21°C
December16°C20°C22°C

* Click on a month to view detailed water temperature data.

Nanarup Beach: Weather Forecast

March 21

18°C / 23°C
broken clouds: 51-84%
humidity: 77% | wind: 14 kmh

March 22

17°C / 19°C
light rain
humidity: 74% | wind: 25 kmh

March 23

17°C / 17°C
overcast clouds: 85-100%
humidity: 78% | wind: 22 kmh

March 24

17°C / 19°C
overcast clouds: 85-100%
humidity: 72% | wind: 18 kmh

Local Water Conditions and Nearby Spots

Nearby Beaches and Water Temperatures

Nanarup Beach

⭐ 3.5/5
20.9°C

Ben Dearg Beach

⭐ 3.5/5
21.4°C

Islet Point

⭐ 3.5/5
20.6°C

Skippy Reef Beach

⭐ 3.0/5
21.6°C

Gull Rock Beach

⭐ 3.9/5
20.6°C

Ledge Beach

⭐ 3.2/5
20.4°C

Swimming Conditions

Swimming at Nanarup Beach is allowed, but it’s best suited to confident swimmers who are comfortable with open-ocean conditions. The beach is exposed, with regular swell and currents that can become strong, particularly outside the calmer summer period. On settled summer days, swimming can be refreshing and enjoyable, with clear water and a sandy shoreline making entry straightforward. In spring and autumn, swims tend to be shorter, while winter swimming is usually limited to quick dips or those wearing wetsuits. Overall, Nanarup Beach offers a more rugged swimming experience, rewarding those who read conditions carefully and respect the power of the southern ocean.

🏄‍♀️ Nearby Surf Spots and Water Temperatures

Nanarup Beach

⭐ 2/5
21.6°C

Middleton Beach

⭐ 1/5
21.5°C

Salmon Holes Reef

⭐ 2/5
19.9°C

Sand Patch Beach

⭐ 3/5
20.9°C
24 km away 📍 Beach and reef

Location, Type and Nearby Places

Address: 2326+CP Nanarup WA

Place Tags:BeachSurf Spot

Water Temperature in Nearby Places

Frequently Asked Questions

What is the sea water temperature in Nanarup Beach today?
Sea water temperature in Nanarup Beach in the Great Australian Bight today is 21°C.
What is the water temperature in Nanarup Beach during summer?
During summer, the water temperature in Nanarup Beach typically ranges from 16°C to 24°C.
What is the water temperature in Nanarup Beach during autumn?
During autumn, the water temperature in Nanarup Beach typically ranges from 18°C to 24°C.
What is the water temperature in Nanarup Beach during spring?
During spring, the sea water temperature in Nanarup Beach typically ranges from 16°C to 21°C.
What is the water temperature in Nanarup Beach during winter?
During winter, the sea water temperature in Nanarup Beach typically ranges from 17°C to 23°C.
Which beaches are popular in the Nanarup Beach area?
Some of the most popular beaches in the Nanarup Beach area include: Nanarup Beach, Ben Dearg Beach, Islet Point, Skippy Reef Beach, Gull Rock Beach.
What are the nearest surf spots to Nanarup Beach?
Some of the closest surf spots near Nanarup Beach include Nanarup Beach, Middleton Beach, Salmon Holes Reef.