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Weather Information

Daily forecasts are broadcast on local stations as follows:

ZBVI Radio

780AM Marine Forecast 0805am Monday-Saturday (0945am on Sundays), and weather updates broadcast every hour on the half hour from 0730am to 0930pm.

Caribbean SSB Weather Net

WAH VI Radio Repeat NMN Offshore Forecast

Caribbean Maritime Mobile Ham Net (George)

Southbound II (Herb)

*As well as 4357, WAH also does a simultaneous broadcast on VHF 85 in range. Also includes the NMN repeat weather summary, the cast Puerto Rico and Virgin Islands forecast, the Tropical Weather Outlook, and hurricane coordinates as appropriate. Updated broadcasts are also at 1400 and 2200 AST. A continuous broadcast can be heard on VHF WX 3 in range. The Antilles Emergency and Ham Weather Net does the same broadcast at 0645 AST on 7163 LSB.

Tropical Weather Conditions

The official hurricane season starts on 1 June and ends 30 November. Information on tropical systems is available from many sources 4ñ5 days before these weather conditions are experienced in the BVI. CNN Weather Channel, the Office of Disaster Preparedness and the radio stations all issue regular 2ñ3 hour updates on any tropical disturbances. Additional information can be obtained via the Internet. Popular sites are:

Weather Underground -http://www.wunderground.com/tropical/

National Hurricane Center-http://hurricanes.noaa.gov/

The Weather Channel's "Tropical Update" -www.weather.com/newscenter/tropical

The Caribbean Weather Centre -http://www.caribwx.com

The Kite and Windsurfing Guide -http://www.windguru.cz

Tropical Wave

A shallow tropical trough system normally moving west. Ahead of the wave, the wind is generally north-east and behind is south-east.

Tropical Disturbance

Slight rotary circulation with no closed isobars. There are no strong winds associated with a tropical disturbance.

Tropical Depression

Rotary circulation at the surface with several closed isobars. The highest winds are 34 knots (29 mph).

Tropical Storm

Distinct circulation with winds up to 63 knots (74 mph). A hurricane track normally starts in the doldrums 10ƒN and 30ƒW to 50ƒW. It moves in a west-north-west direction, veers more north-west gradually curving to north and north-east as it reaches 30ƒN.