Balbriggan — Water Temperature, Sea Conditions & Trends
This page provides clear and up-to-date information about water temperature for Balbriggan (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 Balbriggan help you plan your visit and choose the best time for swimming.
Current Water Temperature
Water temperature in Balbriggan 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 Balbriggan rose over the last 30 days but fell over the last week. 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 Balbriggan will be 12.7°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 1 | 13.8°C | 13.3°C | |
| JUN 2 | 13.8°C | 13.3°C | |
| JUN 3 | 14.0°C | 13.0°C | |
| JUN 4 | 14.3°C | 13.3°C | |
| JUN 5 | 14.2°C | 12.5°C | |
| JUN 6 | 14.2°C | 12.5°C | |
| JUN 7 | 14.0°C | 12.8°C | |
| JUN 8 | 13.9°C | 12.0°C | |
| JUN 9 | 13.6°C | 12.0°C | 13.6°C |
| JUN 10 | 12.3°C | 13.5°C | |
| JUN 11 | 12.5°C | 13.3°C | |
| JUN 12 | 12.5°C | 13.2°C | |
| JUN 13 | 12.5°C | 13.1°C | |
| JUN 14 | 12.8°C | 13.0°C | |
| JUN 15 | 12.5°C | 12.8°C | |
| JUN 16 | 12.8°C | 12.7°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
Balbriggan is a coastal town on the east coast of Ireland whose shoreline is influenced by the relatively cool waters of the Irish Sea. Sea surface temperatures around Balbriggan follow a seasonal rhythm: in winter they typically lie between 7 °C and 9 °C, spring sees a gradual rise to roughly 8 °C–12 °C, summer brings the warmest waters at about 14 °C–17 °C with peaks often in July and August, and autumn cools back down to around 11 °C–14 °C. Local conditions can vary with wind, tides and occasional warm spells, so short-term measurements will differ from these averages. Even in summer the water remains noticeably cooler than many continental bathing destinations, reflecting Ireland’s maritime climate.
Monthly Water Temperature Range (Min, Max & Average)
| Month | Min | Avg | Max |
|---|---|---|---|
| January | 7°C | 9°C | 10°C |
| February | 7°C | 8°C | 10°C |
| March | 6°C | 8°C | 10°C |
| April | 7°C | 9°C | 11°C |
| May | 9°C | 11°C | 13°C |
| June | 9°C | 13°C | 16°C |
| July | 11°C | 15°C | 18°C |
| August | 13°C | 15°C | 18°C |
| September | 13°C | 15°C | 18°C |
| October | 11°C | 14°C | 16°C |
| November | 11°C | 12°C | 14°C |
| December | 8°C | 10°C | 12°C |
* Click on a month to view detailed water temperature data.
Balbriggan: Weather Forecast
June 10
June 11
June 12
Location, Beaches & Local Information
Nearby Beaches & Facilities
Bremore Bay Beach
Knocknagin Bay Beach
Coney Hill Bay Beach
Gormanston Beach
Laytown Beach
Swimming Conditions
Swimming and beach holidays in Balbriggan suit a range of preferences from family paddling to more committed sea swimming. Sandy stretches and sheltered bays offer gentle entry points for casual bathing and for children under supervision, while the more exposed shorelines provide space for open-water swimmers and small craft activities when conditions are calm. Some beaches operate seasonal safety services and informal sea-swimming groups are active in the area; nevertheless, swimmers should be mindful of changing weather, currents and cold-water effects. Wetsuits are commonly used outside the warmest weeks, and basic precautions — checking local conditions, entering water gradually and staying within sight of others — make visits more enjoyable. Beyond swimming, the seaside setting supports a relaxed beach-holiday experience with coastal walks and nearby amenities.