151 WHCA72 TJSJ 180109 MWWSJU URGENT - MARINE WEATHER MESSAGE National Weather Service San Juan PR 909 PM AST Tue Mar 17 2020 AMZ710-741-180915- /O.CON.TJSJ.SC.Y.0019.200319T0000Z-200322T1800Z/ Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N- Mona Passage Southward to 17N- 909 PM AST Tue Mar 17 2020 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM WEDNESDAY TO 2 PM AST SUNDAY... * WHAT...Northeast winds 15 to 25 kt with gusts up to 30 kt and seas 7 to 10 feet expected. * WHERE...Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N and Mona Passage Southward to 17N. * WHEN...From 8 PM Wednesday to 2 PM AST Sunday. * IMPACTS...Conditions will be hazardous for small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$