Malahide — Water Temperature, Sea Conditions & Trends

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 Malahide 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 Malahide will be 12.9°C in the next 7 days. See the table below for daily data for the upcoming week.

Table of Daily Sea Temperature Data

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

Malahide, on the north side of Dublin Bay in Leinster, sits at the mouth of a sheltered estuary with a long sandy strand that reflects Ireland’s mild maritime climate. Sea temperatures around Malahide change through the year: winter (December–February) typically sees water around 6–8 °C, spring (March–May) generally ranges from 8–12 °C, summer (June–August) brings the warmest conditions at roughly 13–17 °C, and autumn (September–November) usually falls between 10–14 °C. These values are averages and local conditions can vary with tides, wind and weather, so day-to-day temperatures may be a degree or two above or below the typical ranges.