World sea water temperatures

Weather forecast in Ballycastle

This data display current weather and forecast for the coming days in Ballycastle. In addition to temperature, wind, humidity and pressure, we include data on the probability of precipitation so you can have all the information about your destination before your trip.

Ballycastle current temperature and weather

12 March 2026
Night
Patchy rain nearby
8.4°C
Feels like:
3.6°C
Patchy rain nearby
Wind: 44.3 Km/h (27.5 mph) SW SW
Pressure: 995 hPa (29.39 inHg)
Humidity: 75%
Precip. prob.: 84%
Visibility: 10 km (6 mi)

UV index: 0
Morning
Moderate rain
7.3°C
Feels like:
3.2°C
Moderate rain
Wind: 27.7 Km/h (17.2 mph) W W
Pressure: 988 hPa (29.18 inHg)
Humidity: 94%
Precip. prob.: 100%
Visibility: 7 km (4 mi)

UV index: 0.2
Day
Light rain shower
5.4°C
Feels like:
-0.1°C
Light rain shower
Wind: 38.9 Km/h (24.2 mph) SW SW
Pressure: 988 hPa (29.18 inHg)
Humidity: 84%
Precip. prob.: 100%
Visibility: 10 km (6 mi)

UV index: 0.2
Evening
Patchy heavy snow
2.5°C
Feels like:
-3.9°C
Patchy heavy snow
Wind: 38.5 Km/h (23.9 mph) SW SW
Pressure: 988 hPa (29.18 inHg)
Humidity: 79%
Precip. prob.: 100%
Visibility: 5 km (3 mi)

UV index: 0


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Marine weather forecast Ballycastle

The graphs show wave heights and directions, as well as wind speed and direction in Ballycastle for the coming days. Click on the sea state chart for more details




You may also be interested in other sections of our site for Ballycastle: Sea temperature, Sunrise and Sunset, Tides

Ballycastle weather by month

In order for you to be able to estimate what the weather is like in Ballycastle throughout the year, we provide monthly data for the last few years. Select the month you are interested in.

Where is the warmest sea water in the world?

If you want to plan a vacation on the beach and enjoy the warm sea, choose the day of the year, region and the minimum comfortable sea/ocean temperature that interests you. As a result, you will get a list of countries and cities in which the average sea temperature or maximum temperature on this day over the past 10 years exceeds your chosen value

Region
Date (day and month)
Water temperature: min 16°C
 Average temperature  Maximum temperature

Northern Ireland photo gallery

  • Northern Ireland
  • Ballygalley - Glens of Antrim
  • View from Newcastle Rock pool looking towards harbour
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Our report for Ballycastle is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.

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