431 FZCA72 TJSJ 081709 MWSSJU Marine Weather Statement National Weather Service San Juan PR 109 PM AST Tue Sep 8 2026 AMZ741-742-081815- 109 PM AST Tue Sep 8 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 109 PM AST, Doppler radar indicated a strong thunderstorm, capable of producing winds to around 30 knots. This strong thunderstorm was located over the coastal waters of western Puerto Rico, just west of Mayaguez, 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 1844 6716 1842 6716 1841 6718 1840 6717 1840 6718 1839 6719 1836 6727 1830 6724 1829 6720 1829 6719 1827 6719 1823 6717 1822 6716 1820 6715 1818 6717 1819 6775 1849 6766 TIME...MOT...LOC 1708Z 103DEG 13KT 1829 6727 $$ DSR  950 FZUS71 KLWX 081720 MWSLWX Marine Weather Statement National Weather Service Baltimore MD/Washington DC 120 PM EDT Tue Sep 8 2026 ANZ531-532-538-082000- Chesapeake Bay from Pooles Island to Sandy Point MD- Chesapeake Bay from Sandy Point to North Beach MD- Patapsco River including Baltimore Harbor- 120 PM EDT Tue Sep 8 2026 ...OCCASIONAL WIND GUSTS TO NEAR T0 KNOTS... * WHAT...Southeast winds 10 to 15 kt with occasional gusts up to 20 kt possible. * WHERE...Chesapeake Bay from Pooles Island to North Beach MD, and Patapsco River including Baltimore Harbor. * WHEN...This afternoon. * IMPACTS...Conditions may be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should exercise extra caution if navigating the waters during this time. $$ DHOF