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Rosedale – current water temperature and swimming conditions

This page shows the current water temperature at Rosedale in New South Wales. 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.

Rosedale
Rosedale © By PictureFreak223, CC BY-SA 4.0

Current Sea Water Temperature

21.0°C
Today
21.0°C
Yesterday
21.4°C
A Week Ago

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

Water Temperature in Rosedale: 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

Water temperatures in Rosedale have been gradually cooling over the past month, with a further drop recorded during the last week.

According to our forecast, Sea water temperature in Rosedale will be 21.4°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 1221.5°C22.5°C
Mar 1321.5°C22.8°C
Mar 1421.4°C22.8°C
Mar 1521.2°C22.8°C
Mar 1621.1°C22.3°C
Mar 1720.9°C22.5°C
Mar 1820.9°C22.5°C
Mar 1921.0°C22.0°C
Mar 2021.0°C22.0°C21.0°C
Mar 2122.5°C21.1°C
Mar 2222.0°C21.1°C
Mar 2322.3°C21.2°C
Mar 2422.5°C21.2°C
Mar 2522.3°C21.3°C
Mar 2621.5°C21.3°C
Mar 2722.3°C21.4°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 Rosedale 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

Rosedale sits on the Far South Coast of New South Wales, facing the open Tasman Sea, and water temperatures here reflect the cooler character of this part of the coastline. In summer, the ocean usually warms to around 20–23 °C, which feels refreshing and is comfortable for swimming on warm days. Autumn often remains mild, with temperatures commonly between 18–21 °C, while spring is cooler at roughly 16–19 °C as the sea gradually warms after winter. During winter, water temperatures typically drop to about 14–16 °C, which can feel quite cold without a wetsuit and generally suits only short, bracing swims.

Monthly Water Temperature Range (Min, Max & Average)

Month Min Avg Max
January18°C23°C25°C
February21°C23°C25°C
March20°C22°C25°C
April19°C22°C25°C
May17°C20°C22°C
June16°C19°C23°C
July14°C18°C19°C
August14°C17°C20°C
September15°C17°C20°C
October15°C18°C21°C
November17°C19°C22°C
December17°C20°C23°C

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

Rosedale: Weather Forecast

March 21

18°C / 22°C
light rain
humidity: 86% | wind: 4 kmh

March 22

17°C / 22°C
broken clouds: 51-84%
humidity: 82% | wind: 7 kmh

March 23

18°C / 23°C
light rain
humidity: 83% | wind: 7 kmh

Local Water Conditions and Nearby Spots

Nearby Beaches and Water Temperatures

Rosedale Beach

⭐ 3.5/5
21.4°C

Mckenzie's Beach

⭐ 3.2/5
20.3°C

Guerilla Bay

⭐ 3.6/5
20.0°C

Guerilla Small Beach

⭐ 2.6/5
20.3°C

Guerilla Bay Beach

⭐ 3.1/5
20.7°C

Pebble N Shell Beach

⭐ 3.5/5
20.5°C

Nanny Bay

⭐ 3.2/5
20.8°C

Barlings Beach

⭐ 4.3/5
20.3°C

Malua Beach

⭐ 5.0/5
20.7°C

Swimming Conditions

Swimming in Rosedale is allowed, but conditions are best suited to confident swimmers. Rosedale Beach is exposed to Tasman Sea swells, so waves and currents are a regular feature and can be strong at times, particularly after windy weather. There are no sheltered bays, meaning swimming conditions depend heavily on swell and wind direction on the day. On calm summer days, the water can be clear and inviting, making for enjoyable swims close to shore. In cooler months, most swimmers keep sessions brief or use wetsuits for warmth. Overall, Rosedale offers clean water, noticeable seasonal temperature changes, and rewarding ocean swimming when conditions are favourable and approached with care.

🏄‍♀️ Nearby Surf Spots and Water Temperatures

Mckenzies Beach

⭐ 2/5
20.6°C

Malua Bay

⭐ 3/5
20.9°C

Mosquito Bay

⭐ 2/5
20.6°C

Pink Rocks

⭐ 4/5
21.7°C

Tomaga Rivermouth

⭐ 2/5
19.6°C

North Broulee

⭐ 3/5
21.7°C

Denhams Beach

⭐ 2/5
20.2°C

South Broulee

⭐ 3/5
21.2°C

Moruya Rivermouth

⭐ 3/5
21.1°C

Frequently Asked Questions

What is the sea water temperature in Rosedale today?
Sea water temperature in Rosedale in the Tasman Sea today is 21°C.
What is the water temperature in Rosedale during summer?
During summer, the water temperature in Rosedale typically ranges from 17°C to 25°C.
What is the water temperature in Rosedale during autumn?
During autumn, the water temperature in Rosedale typically ranges from 17°C to 25°C.
What is the water temperature in Rosedale during spring?
During spring, the sea water temperature in Rosedale typically ranges from 15°C to 22°C.
What is the water temperature in Rosedale during winter?
During winter, the sea water temperature in Rosedale typically ranges from 14°C to 23°C.
Which beaches are popular in the Rosedale area?
Some of the most popular beaches in the Rosedale area include: Rosedale Beach, Guerilla Bay, Guerilla Small Beach, Mckenzie's Beach, Guerilla Bay Beach.
What are the nearest surf spots to Rosedale?
Some of the closest surf spots near Rosedale include Mckenzies Beach, Malua Bay, Mosquito Bay.