The areas affected include... Atlantic Waters of Puerto Rico AND USVI from 10 NM to 19.5N... Coastal Waters OF Northwestern Puerto Rico out 10 NM... Coastal Waters of Northern Puerto Rico out 10 NM...
At 1253 PM AST, Doppler radar indicated strong thunderstorms, capable of producing winds to around 30 knots. These thunderstorm were located over the coastal waters from Rincon to Quebradillas, moving northwest at 10 knots.