Small craft advisory goes into effect tonight for Antigua, Barbuda, Anguilla and the British Virgin Islands.

Locations to be affected: Mainly open waters on the Atlantic sides of the islands.

Timing: Around midnight tonight, until tomorrow morning for Antigua, and until tomorrow afternoon for the rest.

Fresh winds are expected to cause a combination of wind waves and wind swells to reach hazardous levels, mainly in open Atlantic waters. The threat level to the life, livelihood, property and infrastructure of mariners is forecast to rise to moderate, with the potential for significant impacts.

A small craft advisory means that wind speeds of 21 to 33 knots and or wind waves and or wind swells of 7 feet or greater are occurring or imminent.

Winds over open waters: East-northeast at 23 to 33 km/h (12 to 18 knots; 14 to 20 mph), with strong gusts to around 52 km/h (28 knots; 32 mph).

Seas (significant wave heights): 1.5 to 2 metres(5 to 7 feet), occasionally or locally reaching near 2.7 metres (9 feet). Wind waves and or wind swells: 1.5 to 2 metres or 5 to 7 feet and occasionally higher. The dominant wind wave period is 6 to 9 seconds.

Potential Impacts: Loss of life at sea; injuries to mariners; capsize or damage or loss of vessels and marine equipment; financial losses; disruption of fisheries and scarcity of fish products and disruption to marine transportation.

Caution: Inexperienced mariners, especially those operating smaller vessels should avoid navigating in these conditions.

Please continue to monitor these hazardous, life-threatening marine conditions. Stay tuned to updates coming out of the Met Office via antiguamet.com, facebook.com/abmetservice and twitter.com/abmetservice. Also, stay tuned to other media platforms for updates.

Forecaster: Dale Destin