Tropical Storm Gaston is expected to become a hurricane later today, according to the National Hurricane Centre.

But the weather system, which was located about 1,922 nautical miles east-southeast of Bermuda at noon, is not a threat to the island “at this time”.

According to the Bermuda Weather Service’s 6pm advisory, its closest point of approach within 72 hours is forecast to be 861 nautical miles to the east-southeast of Bermuda at 6pm on Friday.

Gaston is presently moving west-northwest at about 18mph, with maximum winds of about 63mph and higher gusts. Storm-force winds extend outwards up to 70 miles from the centre.

Meanwhile, Tropical Depression Fiona continued to weaken as it passed to Bermuda’s south this morning. As of the BWS’s noon update, the system was no longer considered a possible threat to the island.

The system, which is now classed as a post tropical cyclone, was about 372 nautical miles to the south of Bermuda at noon.

It is heading west-northwest at about 12mph, with maximum sustained winds of 29mph and higher gusts.

Its closest point of approach within 72 hours is forecast to be 322 nautical miles to the island’s southwest at 3pm tomorrow.