Met Éireann have issued an orange warning for counties Donegal, Mayo and Galway as high winds are to hit the western coast early on Friday morning.
The remainder of the country has been issued with a yellow warning.
Storm Erik, the fourth named storm of the season, is expected to bring southwest winds between 65km/h and 80km/h.
There will also be severe or damaging gusts of 110-130km/h.
Met Éireann’s orange warning will remain in place from 5am-1pm on Friday for Galway and Mayo and 9am on Friday until 6am on Saturday for Donegal.
The rest of the country can expect winds of 50-65km/h with gusts reaching up to 110km/h in places.
The yellow warning remains in place from 5am on Friday until 6am on Saturday.
All coastal areas should be aware that high winds bring a risk of flooding.
The UK Met Office have also issued a yellow wind warning for Northern Ireland, which will come into affect on Friday
"Across southern parts of the UK gusts will reach 40mph widely inland, however the strongest winds are expected across Northern Ireland and Scotland, with gusts of 50 to 60mph possible," Met Office Chief Meteorologist, Will Lang, said.
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