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Carrowmore Lake — Current Water Temperature, Annual Trends and Forecast

This page provides information on the current water temperature in Carrowmore Lake, trends, monthly ranges and the forecast for the coming days.

Carrowmore Lake, Republic of Ireland
Carrowmore Lake, Republic of Ireland © By Dr Charles Nelson, CC BY-SA 2.0

Current Water Temperature

14.0°C
Today
13.6°C
Yesterday
15.0°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 Carrowmore Lake today is 14°C.

Water Temperature: Daily Trends, Historical Records, and Forecast

⚠️ As of today, the minimum water temperature ranges from 54°F (12°C) to 60°F (15°C). The water is significantly warmer, and swimming becomes possible for most people. However, caution may still be required for prolonged stays in the water, as extended exposure can cause discomfort. This is a suitable temperature range for short swims and for those accustomed to cooler water. For more comfortable swimming, it is recommended to use proper gear. 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 August 23 to September 23

Table of Daily Sea Temperature Data

Date Current Average Forecast
SEP 1615.0°C19.0°C
SEP 1715.3°C19.0°C
SEP 1814.6°C19.0°C
SEP 1914.4°C19.0°C
SEP 2014.3°C19.0°C
SEP 2114.2°C19.0°C
SEP 2213.6°C19.0°C
SEP 2314.0°C19.0°C
SEP 2419.0°C14.3°C
SEP 2519.0°C14.5°C
SEP 2619.0°C14.8°C
SEP 2719.0°C15.0°C
SEP 2819.0°C15.3°C
SEP 2919.0°C15.5°C
SEP 3019.0°C15.8°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.

Monthly Water Temperature Range (Min, Max & Average)

Month Min Avg Max
January1°C5°C8°C
February1°C5°C10°C
March3°C7°C10°C
April6°C10°C15°C
May10°C15°C21°C
June13°C20°C26°C
July15°C21°C27°C
August16°C22°C27°C
September13°C19°C24°C
October9°C13°C17°C
November5°C9°C12°C
December4°C7°C10°C

Carrowmore Lake: Water Temperature by Location

Carrowmore Lake: Weather Forecast

September 24

° / °
moderate drizzle
rain: 82% | wind:

September 25

° / °
overcast
rain: 33% | wind:

September 26

° / °
dense intensity drizzle
rain: 71% | wind:

September 27

° / °
moderate rain
rain: 72% | wind:

Location & Local Information

Carrowmore Lake, located in the unspoiled Erris region of County Mayo, is a large, shallow, freshwater lough, essential to the area as a public drinking water source. Given its position in the wild northwest, the water temperature remains quite cool throughout the year. Winter temperatures are typically cold, dropping to a range of 4∘C to 7∘C (39∘F to 45∘F). Even during the summer, Carrowmore’s shallow depth can lead to a slightly better warm-up than deep loughs, but temperatures only reach the modest range of 14∘C to 17∘C (57∘F to 63∘F).

While there are no official bathing areas on the lake, swimming is generally not prohibited in Irish lakes unless specific local restrictions are in place. However, Carrowmore's primary significance is as a Special Area of Conservation and a crucial source of public drinking water, which often discourages recreational swimming to protect water quality. The lough is most renowned as a destination for game fishing, especially for its prized salmon and sea trout. Nearby attractions that embrace the wild scenery include the breathtaking coastal views of Benwee Head and the Bangor Trail, offering spectacular hiking opportunities.

Nearby Lakes

Frequently Asked Questions

What is the current water temperature in Carrowmore Lake?
Water Temperature in Carrowmore Lake today is 14°C.
What is the water temperature in Carrowmore Lake during the summer months?
The water temperature in Carrowmore Lake in summer fluctuates in the range of 13°C - 27°C.
Is it possible to swim in Carrowmore Lake (Republic of Ireland) and what are the possibilities for this?
Yes — Carrowmore Lake is suitable for swimming, primarily as wild or open‑water swims from accessible shorelines or by boat with occasional local events or informal spots, but swimmers should confirm land access, water quality, weather and safety arrangements before entering.