High Surf Advisory in effect for Antigua & Barbuda

  • igh surf advisory in effect for the British Virgin Islands
  • High surf advisory goes into effect this afternoon for Barbuda and Anguilla
  • High surf advisory goes into effect tonight for Antigua, St Kitts and Nevis
  • High surf advisory goes into effect Monday morning for Montserrat…

Locations to be affected: Reefs and exposed mainly northern and north-facing coastlines with relatively shallow, gently to moderately sloping near shore areas.

Timing: Until Tuesday for the British Virgin Islands; Sunday afternoon until Tuesday for Barbuda and Anguilla; Sunday night until Tuesday for Antigua, St. Kitts and Nevis and Monday to Tuesday for Montserrat.

Synopsis: Moderate long period swells are reaching the area and affecting mainly northern and north-facing coastlines. The threat level to the life, livelihood, property and infrastructure of those using the affected coastlines is expected to rise to high, with the potential for extensive impacts. These swells are expected to cause life-threatening surfs and rip currents for affected coastlines. A high surf advisory means that dangerous surfs of 2 to 3 metres or 6 to 10 feet will affect some coastlines in the advisory area, producing hazardous conditions. A high surf warning may be required for Monday, when surfs could exceed 3 metres or 10 feet.

Seas (significant wave heights): 2 to 2.7 metres (6 to 9 feet), occasionally or locally reaching 3.5 metres (over 11 feet). Swell period: 9 to 15 seconds. Swells: North at 1.5 to 2 metres (5 to 7 feet) and occasionally higher.

Surfs (breaking swells): Over 2 metres (over 6 feet). These conditions are conducive for dangerous rip currents. Please note that surfs could be as much as twice the height of swells, depending on the bathymetry of the near shore areas.

Coastal flooding: High tides combine with onshore wind and swell actions could result in localized coastal flooding and beach erosion.

Potential Impacts: Loss of life–strong currents that can carry even the strongest swimmers out to sea; injuries to beachgoers; beach erosion; sea water splashing onto low lying coastal roads; beach closures; localized disruptions to marine recreation and businesses; financial losses; damage to coral reefs; saltwater intrusion and disruptions to potable water from desalination. High surfs can knock spectators off exposed rocks and jetties.

Precautionary: Beachgoers should be extremely cautious; bathe only where lifeguards are present or the sheltered, less affected beaches, mainly to the south.

Rip currents are powerful channels of water flowing quickly away from shore, which occur most often at low spots or breaks in the sandbar and near structures such as groins, jetties and piers. If caught in a rip current, relax and float. Don`t swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help.

Please continue to monitor these hazardous, life-threatening marine conditions. Stay tuned to updates coming out of the Meteorological Office.

Forecaster: Dale Destin

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