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Cornashamma Bay, also known locally as “Sweet Nellie”due to the rock formations. This is a secluded beach approximately a mile south of Inishowen (Stroove) lighthouse and near Greencastle. It is set into the Inishowen Peninsula close outside the entrance to Lough Foyle.

Accessibility

Easy from parking area with limited spaces.

Tide times for Greencastle

These are today’s tides for Greencastle

July 17th, 2026

Time Type Height
04:33 low 0.14m
10:21 high 2.11m
16:10 low 0.01m
22:32 high 2.36m

View full 7 day tide times.

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