What is happening
The areas affected include... Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N... Coastal Waters of Northern Puerto Rico out 10 NM... Coastal Waters from Cabo San Juan to the waters between Anegada Island and Virgin Gorda and North 10 NM... * At 301 PM AST, Doppler radar indicated a strong thunderstorm, capable of producing winds to around 30 knots and possible waterspouts. This strong thunderstorm was located over the coastal waters near Rio Grande, moving northeast at 15 knots. Locations impacted include... Mainly open waters of Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N, Coastal Waters of Northern Puerto Rico out 10 NM and Coastal Waters from Cabo San Juan to the waters between Anegada Island and Virgin Gorda and North 10 NM.
Official instructions
Report severe weather to the Coast Guard or nearest law enforcement agency. They will relay your report to the National Weather Service office. Mariners can expect gusty winds to around 30 knots, locally higher waves, lightning strikes, heavy downpours, and possible waterspouts. Boaters should seek safe harbor immediately until this storm passes.
