Bills Rocks

Mayo, Achill Island, Connacht, Ireland

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Conditions & tides

Bills RocksAchill Island

Rough · 3/5

conditions visualisation

Rough3/5

Rough at the surface right now — rough all day, no calm window.

Wind10 kn W

Current~0.1 kn NNE · model

Swell

2.2 m · 9s · W

Water

15 °C

Conditions through the day

7 AM7 PM

Calmest current near slack — 08:15 AM & 09:00 PM local

Sunrise 05:27 AM · Sunset 05:39 PM local

Show details

Tide · local

Outlook — select a day for full conditions

On-face swell 2.1 m — the component of the swell aimed at this site’s exposed face. Current is a regional model value (Copernicus, ~9 km grid) — a guide to the area, not a precise reef measurement. Imagery © Esri · not depth or visibility.

Scored by DiveConnect's site-physics model

Marine forecast via Copernicus Marine. Score is a rule-based guide from swell/wind vs. the site's exposure — always dive your own assessment.

Dived here today? How were conditions vs. what we showed?

About this site

Bills Rocks lies off Achill Island in County Mayo, on Ireland's Atlantic coast in the province of Connacht. This stretch of the Mayo coastline is exposed to the open Atlantic, with rocky outcrops and reefs scattered along the island's western shore.

AI overview

Marine life here

Confirmed by our research team, reported by independent divers, or observed nearby via iNaturalist — each entry is labelled with its source.

Jewel AnemoneCorynactis viridisReported here · unconfirmed
Common Sea StarAsterias rubensReported here · unconfirmed
Dead Man's FingersAlcyonium digitatumReported here · unconfirmed
Devonshire Cup CoralCaryophyllia (Caryophyllia) smithiiReported here · unconfirmed
Spiny StarfishMarthasterias glacialisReported here · unconfirmed
European Edible Sea UrchinEchinus esculentusReported here · unconfirmed
Grey SealHalichoerus grypusReported here · unconfirmed

Diver notes

Durable tips from divers — access, hazards, marine life, facilities. For day-of conditions, use the report tool in the conditions card above.

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Nearby dive sites

West Moyteogue HeadMayo, Achill Island, Connacht, Ireland9.4 km Keem BayMayo, Achill Island, Connacht, Ireland10.2 km Achill HeadMayo, Achill Island, Connacht, Ireland10.7 km InnishgallonMayo, Achill Island, Connacht, Ireland12.2 km South of Saddle HeadMayo, Achill Island, Connacht, Ireland14.2 km SaddleMayo, Achill Island, Connacht, Ireland15.5 km

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