FZCA72 TJSJ 192046 MWSSJU Marine Weather Statement National Weather Service San Juan PR 446 PM AST Sat Sep 19 2026 AMZ741-742-192215- 446 PM AST Sat Sep 19 2026 ...THUNDERSTORMS OVER THE WESTERN WATERS OF PUERTO RICO... The areas affected include... Mona Passage Southward to 17N... Coastal Waters of Northwestern Puerto Rico out 10 NM... * At 446 PM AST, Doppler radar indicated a strong thunderstorm, capable of producing winds to around 30 knots. This strong thunderstorm was located the coastal waters of western Puerto Rico, just west of Rincon, moving west at 15 knots. Locations impacted include... Mona Passage Southward to 17N and Coastal Waters of Northwestern Puerto Rico out 10 NM. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners can expect gusty winds to around 30 knots, locally higher waves, lightning strikes, and heavy downpours. Boaters should seek safe harbor immediately until this storm passes. && LAT...LON 1849 6718 1840 6718 1839 6719 1836 6727 1830 6724 1829 6720 1828 6719 1818 6719 1817 6795 1850 6794 TIME...MOT...LOC 2045Z 96DEG 14KT 1831 6742 $$ DSR