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HIGH SURF ADVISORY ISSUED FOR THE BVI

HIGH SURF ADVISORY ISSUED FOR THE BVI

September 28, 2021436Views

High surf advisory goes into effect tonight for the British Virgin Islandsโ€ฆ

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

Timing: Until Friday

Synopsis: Major Hurricane Sam, although forecast to pass a safe distance away from the islands, it is pushing moderate long period swells to the shores of the area, affecting mainly east-facing coastlines through Wednesday and north-facing coastlines on Thursday and Friday. The threat level to the life, livelihood, property and infrastructure of those using the affected coastlines is moderate, with the potential for significant impacts. These swells are expected to cause life-threatening surfs and rip currents near affected coastlines.

A high surf advisory means that dangerous surfs of 2 to 3 meters or 6 to 10 feet will affect some coastlines in the advisory area, producing hazardous conditions. A warning may be required Wednesday and Thursday for higher surfs.

Seas (significant wave heights): 1.5 to 2.5 meters (5 to 8 feet), occasionally or locally reaching over 3 meters (10 feet). Swell period: 9 to 14 seconds.

Swells: East, becoming northeast Thursday at 1.5 to 2.5 meters (5 to 8 feet) and occasionally higher.

Surfs (breaking swells): Over 2 meters (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 lifeโ€“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 and west.

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.

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