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Caves Beach – current water temperature and swimming conditions

This page shows the current water temperature at Caves Beach 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.

Caves Beach
Caves Beach © By Dicklyon, CC BY-SA 4.0

Current Sea Water Temperature

22.8°C
Today
23.2°C
Yesterday
23.1°C
A Week Ago

The average sea water temperature today in Caves Beach is about 23°C.

Water Temperature in Caves 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 April 6 to May 6

Water temperatures in Caves Beach 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 Caves Beach will be 21.8°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
Apr 2823.1°C23.5°C
Apr 2923.1°C23.5°C
Apr 3023.1°C23.0°C
May 123.1°C22.5°C
May 223.3°C22.3°C
May 323.2°C22.3°C
May 423.3°C22.3°C
May 523.2°C22.0°C
May 622.8°C22.0°C22.8°C
May 722.0°C22.7°C
May 821.7°C22.5°C
May 921.3°C22.4°C
May 1021.0°C22.2°C
May 1122.0°C22.1°C
May 1221.3°C21.9°C
May 1321.0°C21.8°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 Caves 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

Caves Beach, south of Newcastle on the New South Wales coast, faces the open Tasman Sea and has water temperatures that change steadily with the seasons. In summer, the ocean is usually at its warmest, sitting around 22–26 °C, which feels comfortable for longer swims and plenty of time in the water. Autumn brings a gradual cooling to roughly 20–23 °C, still pleasant for most swimmers. Winter is cooler but far from extreme, with sea temperatures typically between 16–20 °C, while spring sees a steady warm-up from about 18 °C into the low twenties as weather conditions become more settled.

Monthly Water Temperature Range (Min, Max & Average)

Month Min Avg Max
January20°C23°C27°C
February22°C24°C27°C
March20°C24°C26°C
April20°C23°C25°C
May19°C21°C24°C
June17°C20°C22°C
July16°C19°C21°C
August15°C19°C21°C
September16°C18°C22°C
October16°C20°C22°C
November18°C20°C24°C
December19°C21°C27°C

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

Caves Beach: Weather Forecast

May 7

8°C / 18°C
clear sky
humidity: 50% | wind: 25 kmh

May 8

12°C / 20°C
clear sky
humidity: 57% | wind: 14 kmh

May 9

14°C / 18°C
broken clouds: 51-84%
humidity: 71% | wind: 14 kmh

May 10

18°C / 19°C
clear sky
humidity: 68% | wind: 18 kmh

Local Water Conditions and Nearby Spots

Nearby Beaches and Water Temperatures

Caves Beach

⭐ 4.3/5
23.9°C

Stinky Point

⭐ 3.6/5
22.4°C

Hams Beach

⭐ 3.6/5
22.8°C

Quarry Beach

⭐ 3.6/5
22.2°C

Pinny

⭐ 3.6/5
22.7°C

Blacksmiths

⭐ 5.0/5
22.1°C

Heads Beach

⭐ 5.0/5
23.3°C

Swansea Bay Beach

⭐ 4.3/5
22.6°C

Middle Camp

⭐ 5.0/5
22.2°C

Swimming Conditions

Swimming is allowed and popular at Caves Beach, particularly along the wide, sandy main beach. The beach is often patrolled during peak periods, providing safer swimming areas when conditions are suitable. As an open-ocean beach, surf and rips can be present, especially after strong swell, so conditions vary from day to day. On calmer days, the water is clean and refreshing, with easy access from the sand. Confident swimmers enjoy the rolling surf, while families and casual swimmers tend to stay between the flags to make the most of the conditions safely.

🏄‍♀️ Nearby Surf Spots and Water Temperatures

Caves Beach

⭐ 2/5
23.9°C

Caves Point

⭐ 3/5
22.4°C

Crabbs Creek

⭐ 2/5
23.4°C

Swansea Beach

⭐ 2/5
21.9°C

Blacksmiths Beach

⭐ 2/5
23.3°C
3 km away 📍 Point/breakwater

Frenchmans Reef

⭐ 3/5
22.4°C

Catherine Hill Bay

⭐ 2/5
22.5°C
5 km away 📍 Breakwater

Moonee

⭐ 4/5
23.5°C

Frazer Park

⭐ 4/5
23.7°C

Frequently Asked Questions

What is the sea water temperature in Caves Beach today?
Sea water temperature in Caves Beach in the Tasman Sea today is 23°C.
What is the water temperature in Caves Beach during summer?
During summer, the water temperature in Caves Beach typically ranges from 19°C to 27°C.
What is the water temperature in Caves Beach during autumn?
During autumn, the water temperature in Caves Beach typically ranges from 19°C to 26°C.
What is the water temperature in Caves Beach during spring?
During spring, the sea water temperature in Caves Beach typically ranges from 16°C to 24°C.
What is the water temperature in Caves Beach during winter?
During winter, the sea water temperature in Caves Beach typically ranges from 15°C to 22°C.
Which beaches are popular in the Caves Beach area?
Some of the most popular beaches in the Caves Beach area include: Caves Beach, Stinky Point, Hams Beach, Quarry Beach, Pinny.
What are the nearest surf spots to Caves Beach?
Some of the closest surf spots near Caves Beach include Caves Beach, Caves Point, Blacksmiths Beach.