IN THE wake of Storm Claudio, residents living on Anglesey were bemused by the odd weather blowing in from the sea on Wednesday evening (November 2).

White drifts blew in from the sea as winds carried what appeared at first sight to be snow, but it turns out the white fluff engulfing homes in Treaddur Bay is actually sea foam.

As waves crashed against the shore as Storm Claudio battered the North Wales coastline, parts of the Anglesey village were enveloped by sea foam blown in by the strong gusts of wind.

One bungalow situated just below the Treaddur Bay Hotel bore the brunt of the conditions, and resident Rachel Hawken, a member of The Bluetits Chill Swimmers, went down to capture beautiful footage and images.

Ms Hawken shared them online, and one person asking “Who put too much powder in their washing machine?”, while others marveled at the sheer power and beauty of the phenomenon.

Sea foam is not uncommon on Anglesey shores, and this was a similar site to when Storm Dennis also carpeted the area in snow in early 2020.

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The foam is normally the product of decaying algal blooms and particles of fats and fish that wash up on shores, which act like soap-like surfactants, allowing bubbles to form when sea water is agitated.

The bigger the waves, in this case brought on by Storm Claudio, the more foam is formed.

Sea foam is usually harmless to humans and typically indicates a productive offshore ecosystem, but depending on the algae present, and if bubbles in the foam pop, airborne toxins can be released which can cause eye and lung irritation.

Video footage courtesy of Rachel Hawken.