Temperature:

Your Favorite Locations:

Your favorites list is empty.

Lough Shark — Current Water Temperature, Annual Trends and Forecast

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

Portmore Lough, Republic of Ireland
Portmore Lough, Republic of Ireland © By HENRY CLARK, CC BY-SA 2.0

Current Water Temperature

14.6°C
Today
14.9°C
Yesterday
15.3°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 Lough Shark today is 14.6°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 May 10 to June 10

Table of Daily Sea Temperature Data

Date Current Average Forecast
JUN 313.7°C20.0°C
JUN 413.7°C20.0°C
JUN 514.1°C20.0°C
JUN 615.3°C20.0°C
JUN 714.9°C20.0°C
JUN 814.9°C20.0°C
JUN 1014.6°C20.0°C
JUN 1120.0°C14.9°C
JUN 1220.0°C15.1°C
JUN 1320.0°C15.4°C
JUN 1420.0°C15.7°C
JUN 1520.0°C16.0°C
JUN 1620.0°C16.2°C
JUN 1720.0°C16.5°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°C8°C
March3°C7°C10°C
April6°C10°C13°C
May10°C15°C21°C
June13°C20°C26°C
July17°C22°C27°C
August17°C22°C27°C
September13°C19°C24°C
October9°C13°C17°C
November5°C9°C12°C
December3°C6°C9°C

Lough Shark: Water Temperature by Location

Lough Shark: Weather Forecast

June 9

° / °
moderate drizzle
rain: 100% | wind:

June 10

° / °
light drizzle
rain: 81% | wind:

June 11

° / °
slight rain
rain: 75% | wind:

June 12

° / °
light drizzle
rain: 45% | wind:

June 13

° / °
overcast
rain: 32% | wind:

Location & Local Information

Lough Shark is a small and quiet freshwater lake located in County Fermanagh, surrounded by gentle hills, meadows, and patches of forest that create a peaceful rural atmosphere. Like many inland lakes in Northern Ireland, its water remains cool for much of the year due to the temperate maritime climate. In winter, the temperature usually drops to around 4–6 °C (39–43 °F), gradually rising in spring as daylight increases. During the warmest months of July and August, the surface water can reach about 15–17 °C (59–63 °F), offering refreshing but still chilly conditions for swimming. By autumn, the water cools again to near 10 °C (50 °F), following the natural seasonal rhythm of the region’s lakes.

Swimming in Lough Shark is allowed, though it tends to be an activity for more experienced or hardy swimmers who are comfortable in colder natural waters. The lake is clear and calm but relatively deep in places, so wetsuits are often recommended outside of midsummer. It’s a popular spot for local anglers and those seeking solitude away from busy tourist sites. The surrounding countryside offers pleasant walking routes and is not far from the larger lakes of Lough Erne and the scenic Marble Arch Caves, making it a peaceful addition to the area’s natural attractions.

Nearby Lakes

Frequently Asked Questions

What is the current water temperature in Lough Shark?
Water Temperature in Lough Shark today is 14.6°C.
What is the water temperature in Lough Shark during the summer months?
The water temperature in Lough Shark in summer fluctuates in the range of 13°C - 27°C.
Is it possible to swim in Lough Shark (United Kingdom) and what are the possibilities for this?
Swimming in Lough Shark is possible, primarily as unsupervised wild or boat-based swims rather than organized bathing areas, but access varies with private shoreline and parking, facilities and lifeguards are usually absent and water can be cold and changeable, so check local permission and water-quality guidance and take appropriate safety precautions.