Ballymoney — Water Temperature, Sea Conditions & Trends
This page provides clear and up-to-date information about water temperature for Ballymoney (Leinster, 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 Ballymoney help you plan your visit and choose the best time for swimming.
Current Water Temperature
Water temperature in Ballymoney in the Irish Sea 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
Water temperature in Ballymoney rose over the last 30 days but fell over the last week. Currently, the sea water temperature at this location matches the average for this day in previous years.
According to our forecast, Water temperature in Ballymoney will be 13.3°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 2 | 13.7°C | 12.5°C | |
| JUN 3 | 13.5°C | 12.8°C | |
| JUN 4 | 13.8°C | 12.5°C | |
| JUN 5 | 14.1°C | 12.3°C | |
| JUN 6 | 14.0°C | 12.0°C | |
| JUN 7 | 13.6°C | 12.3°C | |
| JUN 8 | 13.6°C | 11.5°C | |
| JUN 9 | 13.6°C | 13.0°C | |
| JUN 10 | 13.8°C | 13.0°C | 13.8°C |
| JUN 11 | 12.8°C | 13.7°C | |
| JUN 12 | 12.5°C | 13.7°C | |
| JUN 13 | 12.0°C | 13.6°C | |
| JUN 14 | 12.0°C | 13.5°C | |
| JUN 15 | 12.3°C | 13.5°C | |
| JUN 16 | 13.0°C | 13.4°C | |
| JUN 17 | 12.5°C | 13.3°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
Annual Water Temperature Trend
Ballymoney, located in the province of Leinster in the Republic of Ireland, sits within a region where coastal and inland waters reflect the temperate maritime climate of the east coast. Sea-surface temperatures in the area typically range from around 7°C in the coldest months to highs of about 18°C in late summer. Spring temperatures usually climb from roughly 8°C to 13°C, while autumn sees a gradual cooling to about 11°C–15°C. Freshwater bodies such as local rivers and lakes can warm slightly faster in calm weather but remain cool compared with continental climates, so overall water remains brisk for much of the year.
Monthly Water Temperature Range (Min, Max & Average)
| Month | Min | Avg | Max |
|---|---|---|---|
| January | 7°C | 9°C | 11°C |
| February | 6°C | 8°C | 10°C |
| March | 7°C | 8°C | 10°C |
| April | 7°C | 9°C | 11°C |
| May | 8°C | 11°C | 13°C |
| June | 10°C | 13°C | 15°C |
| July | 12°C | 15°C | 17°C |
| August | 13°C | 15°C | 17°C |
| September | 13°C | 15°C | 17°C |
| October | 12°C | 15°C | 16°C |
| November | 11°C | 13°C | 15°C |
| December | 9°C | 11°C | 13°C |
* Click on a month to view detailed water temperature data.
Ballymoney: Weather Forecast
June 11
June 12
Location, Beaches & Local Information
Nearby Beaches & Facilities
Ballymoney Beach
Kildermot Bay Beach
Tara Cove Beach/Seafield Bay Beach
Kiltennel Beach
Kilgorman Strand
Courtown Beach
Parknacross Bay Beach
Ardamine Beach
Middletown Bay Beach
Swimming Conditions
Swimming and beach holiday opportunities near Ballymoney are shaped by those temperature patterns and by the character of nearby shores. Summer offers the most comfortable conditions for open-water bathing, and visitors commonly choose sheltered bays or designated bathing beaches where seasonal lifeguard cover and facilities are provided. For most sea swims outside the warmest weeks, a wetsuit is advisable to extend comfort and safety, and swimmers should be mindful of tidal flows, sudden weather changes and local entry points. For those preferring milder options, supervised beaches, rockpools and inland loughs provide gentler alternatives for paddling and family outings, while coastal promenades and nearby seaside villages offer amenities for a conventional beach holiday even when the water remains on the cooler side.