Survey Route: Heysham – Dublin
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CLdN Heysham to Dublin 11 August 2026
Another exceptional Irish Sea survey with numerous encounters with Common Dolphin and Harbour Porpoise, together with many migrating Manx Shearwater and a several Storm Petrel, much to the astonishment of James Nock on his first survey with MARINElife!
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CLdN Heysham to Dublin 25 July 2026
A windy crossing produced some spectacular flying skills from a pair of Manx Shearwater, while Dublin held good numbers of seabirds sheltering from the winds.
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CLdN Heysham to Dublin 14 July 2026
Several exciting encounters with Common Dolphin pods throughout the survey, and an unexpected record of two very rare Roseate Terns in Dublin Port, marked this out as an exceptional Irish Sea survey.
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CLdN Heysham to Dublin 9 June 2026
June can be quiet for seabird sightings when nesting is in action, but Puffin sightings and a playful pod of Common Dolphins provided some excitement for the survey team!
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CLdN Heysham to Dublin 12 May 2026
Good numbers of Manx Shearwater, Guillemot, Razorbill, and Kittiwake made this a notable survey, with the added thrill of excellent encounters with Bottlenose Dolphin and Common Dolphin, as well as a remarkable view of a Great Northern Diver!
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CLdN Heysham to Dublin 14 April 2026
Although the weather forecast for this crossing did not reflect the eventual rough conditions experienced by the vessel, the MARINElife survey team stuck out the trying times and recorded some exciting encounters with Common Dolphin!
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CLdN Heysham to Dublin 10 February 2026
A quiet crossing with extended periods of rain, but encouraging movements of auks through the Irish Sea gave a hint of Spring!
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CLdN Heysham to Dublin 13 January 2026
Dull weather conditions made observation difficult, but the survey had a satisfying end with some Common Dolphins performing agile leaps!
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CLdN Heysham to Dublin 9 September 2025
With seabird numbers beginning to drop as the autumn progresses, it was very good to record Great Skua and Arctic Skua as these birds moved to more southern waters.
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CLdN Heysham to Dublin 12 August 2025
Late summer movements of Manx Shearwater, massed gull sightings in Dublin, and plenty of Guillemot adult-and-juvenile encounters typified this productive survey.










