FZCA72 TJSJ 292157 MWSSJU Marine Weather Statement National Weather Service San Juan PR 557 PM AST Wed Apr 29 2026 AMZ741-742-300600- Mona Passage Southward to 17N- Coastal Waters of Northwestern Puerto Rico out 10 NM- 557 PM AST Wed Apr 29 2026 ...STRONG THUNDERSTORM OVER THE MONA PASSAGE... At 550 AM AST, Doppler radar indicated a strong thunderstorm, capable of producing winds to around 30 knots and frequent lightning. The thunderstorm was located over the Mona Passage and near the coastal areas of western PR and was nearly stationary. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners can expect gusty winds to around 30 knots, locally higher waves, and lightning strikes. Boaters should seek safe harbor immediately until this storm passes. $$