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Arklow — Water Temperature, Sea Conditions & Trends

This page provides clear and up-to-date information about water temperature for Arklow (Republic of Ireland). It includes the current water temperature, daily data for the last month presented in a simple chart, and a 7-day forecast. The page also compares today’s value with typical averages for this period, shows usual monthly ranges during the year, and lists nearby beaches with short descriptions. Local weather for the next few days and general details about Arklow help you plan your visit and choose the best time for swimming.

Republic of Ireland
Republic of Ireland © By Benjamin.nagel, CC BY-SA 3.0

Current Water Temperature

15.3°C
Today
15.4°C
Yesterday
14.3°C
A Week Ago
Get instant access to real-time water temperatures for this and all other locations with our iOS and Android apps.

Water temperature in Arklow in the Irish Sea today is 15°C.

Water Temperature: Daily Trends, Historical Records, and Forecast

⚠️ As of today, the minimum water temperature ranges from 60°F (15°C) to 65°F (18°C). The water is comfortable for most people, making it an ideal range for water sports enthusiasts. The temperature does not cause significant discomfort, and swimming will be pleasant for the majority. However, it's important to remember that prolonged exposure to the water can still lead to cooling, so it's essential to monitor the time spent in the water, especially for children or elderly people.

It is important to note that these swimming tips and recommendations apply only in good weather. When the air temperature is below 68°F (20°C), and sometimes even below 77°F (25°C), swimming can be unpleasant even with relatively high water temperatures.

Water Temperature Chart Over the Last 30 Days

From May 31 to July 1

Water temperature in Arklow has risen over the last week and month. Currently, the sea water at this location is slightly warmer than average for this day in previous years.

According to our forecast, Water temperature in Arklow will be 14.3°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
JUN 2314.3°C13.5°C
JUN 2414.3°C13.5°C
JUN 2514.7°C13.3°C
JUN 2614.8°C13.5°C
JUN 2714.9°C14.0°C
JUN 2815.4°C13.8°C
JUN 2915.7°C14.0°C
JUN 3015.4°C14.0°C
JUL 115.3°C14.0°C15.3°C
JUL 214.5°C15.2°C
JUL 314.3°C15.0°C
JUL 414.8°C14.9°C
JUL 515.3°C14.7°C
JUL 614.5°C14.6°C
JUL 713.8°C14.5°C
JUL 814.0°C14.3°C

* Current - Actual water temperature value

** Average - Average water temperature on this day in recent years

*** Forecast - Our water temperature forecast

Actual nearshore water temperatures may fluctuate by several degrees from the reported values, especially following heavy rainfall or extended periods of strong winds. Certain wind patterns can cause colder, deeper waters to rise and replace the sun-warmed surface water, leading to noticeable variations.

Our forecast is based on a proprietary mathematical model that considers real-time water temperature changes, historical trends, key weather patterns, wind strength and direction, and air temperature specific to each region. Additionally, we incorporate data from other resorts to enhance accuracy.

Water temperature data for this location is gathered from various sources, including buoys and satellite sea and ocean surface maps provided by the NOAA agency. We also incorporate data from local authorities in each specific location worldwide to ensure more accurate temperature readings.

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

Monthly Water Temperature Range (Min, Max & Average)

Month Min Avg Max
January7°C9°C11°C
February7°C8°C10°C
March7°C8°C10°C
April7°C9°C11°C
May9°C11°C12°C
June11°C13°C15°C
July12°C14°C17°C
August13°C15°C17°C
September13°C15°C17°C
October12°C14°C16°C
November11°C13°C15°C
December9°C10°C13°C

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

Arklow: Weather Forecast

July 1

° / °
overcast clouds: 85-100%
humidity: 84% | wind:

July 2

° / °
scattered clouds: 25-50%
humidity: 76% | wind:

July 3

° / °
clear sky
humidity: 82% | wind:

July 4

° / °
few clouds: 11-25%
humidity: 75% | wind:

Location, Beaches & Local Information

Nearby Beaches & Facilities

South Beach⭐ 3.5/5

🌊 Sand📍

Arklow South Beach⭐ 4.2/5

🌊 Sand📍

Arklow North Beach⭐ 3.5/5

🌊 Sand📍

Porter's Rock Beach⭐ 3.5/5

🌊 Sand📍

Hanging Rock Beach⭐ 3.1/5

🌊 Sand📍

Askintinny Bay Beach⭐ 3.9/5

🌊 Sand📍

Clogga Beach⭐ 3.5/5

🌊 Sand📍

Clogga Bay Beach⭐ 3.1/5

🌊 Sand📍

Park Bay Beach⭐ 3.5/5

🌊 Pebbles📍

Map & Nearby Cities

Local Time, Time Zone & Daylight

✅ The Local Time 22:53
✅ Time Zone UTC+1
✅ Sunrise 05:03
✅ Sunset 21:52
✅ Length of the day 16 h 49 m

Frequently Asked Questions

What is the sea water temperature in Arklow today?
Water temperature in Arklow in the Irish Sea today is 15°C.
In what months is the water temperature in Arklow suitable for swimming?
The water temperature in Arklow is generally not very suitable for swimming. The maximum temperature at this location throughout the year reaches 59°F (15°C).
What is the water temperature in Arklow during the summer months?
During the summer, the water temperature in Arklow ranges from 52°F (11.0°C) to 63°F (17.0°C).
What is the water temperature in Arklow in spring?
During the spring, the water temperature in Arklow ranges from 45°F (7.0°C) to 54°F (12.0°C).
What is the water temperature in Arklow in autumn?
During the autumn, the water temperature in Arklow ranges from 52°F (11.0°C) to 63°F (17.0°C).
What is the water temperature in Arklow in winter?
During the winter, the water temperature in Arklow ranges from 45°F (7.0°C) to 55°F (13.0°C).
What are the most popular beaches in Arklow?
The most popular beaches in Arklow are: Arklow South Beach, Askintinny Bay Beach, Kilmurry Lower Bay Beach, Kilpatrick Beach, Hanging Rock Beach.
What sea temperature can I expect in Arklow next month?
Next month (July), the water temperature in Arklow is expected to be in the range of 12°C - 17°C.