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Home Return to list Small Craft Advisory 0171 Issued by the Baltimore / Washington Forecast Office
Action: New Issued At: 2026-11-08 11:12:20 751 WHUS71 KLWX 081711 MWWLWX URGENT - MARINE WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 1211 PM EST Sun Nov 8 2026 ANZ530>534-539>541-543-090300- /O.CAN.KLWX.SC.Y.0168.000000T0000Z-261109T2300Z/ /O.EXB.KLWX.SC.Y.0170.261108T2300Z-261110T0500Z/ Chesapeake Bay north of Pooles Island MD- Chesapeake Bay from Pooles Island to Sandy Point MD- Chesapeake Bay from Sandy Point to North Beach MD- Chesapeake Bay from North Beach to Drum Point MD- Chesapeake Bay from Drum Point MD to Smith Point VA- Chester River to Queenstown MD-Eastern Bay- Choptank River to Cambridge MD and the Little Choptank River- Tangier Sound and the inland waters surrounding Bloodsworth Island- 1211 PM EST Sun Nov 8 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO MIDNIGHT EST MONDAY NIGHT... * WHAT...Southwest winds 10 to 15 kt with gusts to 25 kt this evening, becoming northwest 15 to 25 kt with gusts up to 30 kt and waves 2 to 4 ft overnight through Monday evening. * WHERE...Chesapeake Bay main channel north of Smith Point VA, Chester River to Queenstown MD, Eastern Bay, Choptank River to Cambridge MD and the Little Choptank River, and Tangier Sound and the inland waters surrounding Bloodsworth Island. * WHEN...From 6 PM this evening to midnight EST Monday night. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ537-090300- /O.CAN.KLWX.SC.Y.0170.000000T0000Z-261109T2300Z/ /O.NEW.KLWX.SC.Y.0171.261108T2300Z-261110T0500Z/ Tidal Potomac from Cobb Island MD to Smith Point VA- 1211 PM EST Sun Nov 8 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO MIDNIGHT EST MONDAY NIGHT... * WHAT...Southwest winds 10 to 15 kt with gusts to 25 kt this evening, becoming northwest 15 to 25 kt with gusts up to 30 kt and waves 2 to 4 ft overnight through Monday evening. * WHERE...Tidal Potomac from Cobb Island MD to Smith Point VA. * WHEN...From 6 PM this evening to midnight EST Monday night. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ538-542-090300- /O.EXT.KLWX.SC.Y.0170.261108T2300Z-261110T0500Z/ Patapsco River including Baltimore Harbor- Patuxent River to Broomes Island MD- 1211 PM EST Sun Nov 8 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 6 PM THIS EVENING TO MIDNIGHT EST MONDAY NIGHT... * WHAT...Southwest winds 10 to 15 kt with gusts to 25 kt this evening, becoming northwest 15 to 25 kt with gusts up to 30 kt overnight through Monday evening. * WHERE...Patapsco River including Baltimore Harbor, and Patuxent River to Broomes Island MD. * WHEN...From 6 PM this evening to midnight EST Monday night. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ535-536-090300- /O.CON.KLWX.SC.Y.0170.261109T1100Z-261109T2300Z/ Tidal Potomac from Key Bridge to Indian Head MD- Tidal Potomac from Indian Head to Cobb Island MD- 1211 PM EST Sun Nov 8 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 AM TO 6 PM EST MONDAY... * WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt. * WHERE...Tidal Potomac River from Key Bridge to Cobb Island MD. * WHEN...From 6 AM to 6 PM EST Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ DHOF Action: Continued Issued At: 2026-11-08 20:47:08 340 WHUS71 KLWX 090246 MWWLWX URGENT - MARINE WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 946 PM EST Sun Nov 8 2026 ANZ530>534-538>543-091100- /O.CON.KLWX.SC.Y.0170.000000T0000Z-261110T0500Z/ Chesapeake Bay north of Pooles Island MD- Chesapeake Bay from Pooles Island to Sandy Point MD- Chesapeake Bay from Sandy Point to North Beach MD- Chesapeake Bay from North Beach to Drum Point MD- Chesapeake Bay from Drum Point MD to Smith Point VA- Patapsco River including Baltimore Harbor- Chester River to Queenstown MD-Eastern Bay- Choptank River to Cambridge MD and the Little Choptank River- Patuxent River to Broomes Island MD- Tangier Sound and the inland waters surrounding Bloodsworth Island- 946 PM EST Sun Nov 8 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EST MONDAY NIGHT... * WHAT...Northwest winds 10 to 20 kt with gusts up to 30 kt. * WHERE...Chesapeake Bay and adjoining estuaries north of Smith Point VA. * WHEN...Until midnight EST Monday night. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ537-091100- /O.CON.KLWX.SC.Y.0171.000000T0000Z-261110T0500Z/ Tidal Potomac from Cobb Island MD to Smith Point VA- 946 PM EST Sun Nov 8 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EST MONDAY NIGHT... * WHAT...Northwest winds 10 to 20 kt with gusts up to 30 kt and waves 2 to 4 ft. * WHERE...Tidal Potomac from Cobb Island MD to Smith Point VA. * WHEN...Until midnight EST Monday night. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ535-536-091100- /O.CON.KLWX.SC.Y.0170.261109T1100Z-261109T2300Z/ Tidal Potomac from Key Bridge to Indian Head MD- Tidal Potomac from Indian Head to Cobb Island MD- 946 PM EST Sun Nov 8 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 AM TO 6 PM EST MONDAY... * WHAT...Northwest winds 10 to 20 kt with gusts up to 30 kt expected. * WHERE...Tidal Potomac River from Key Bridge to Cobb Island MD. * WHEN...From 6 AM to 6 PM EST Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-11-09 05:19:06 769 WHUS71 KLWX 091118 MWWLWX URGENT - MARINE WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 618 AM EST Mon Nov 9 2026 ANZ530>534-538>543-091930- /O.CON.KLWX.SC.Y.0170.000000T0000Z-261110T0500Z/ Chesapeake Bay north of Pooles Island MD- Chesapeake Bay from Pooles Island to Sandy Point MD- Chesapeake Bay from Sandy Point to North Beach MD- Chesapeake Bay from North Beach to Drum Point MD- Chesapeake Bay from Drum Point MD to Smith Point VA- Patapsco River including Baltimore Harbor- Chester River to Queenstown MD-Eastern Bay- Choptank River to Cambridge MD and the Little Choptank River- Patuxent River to Broomes Island MD- Tangier Sound and the inland waters surrounding Bloodsworth Island- 618 AM EST Mon Nov 9 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EST TONIGHT... * WHAT...Northwest winds 15 to 20 kt with gusts up to 30 kt and waves 2 to 4 ft. * WHERE...Chesapeake Bay and adjoining estuaries north of Smith Point VA. * WHEN...Until midnight EST tonight. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ537-091930- /O.CON.KLWX.SC.Y.0171.000000T0000Z-261110T0500Z/ Tidal Potomac from Cobb Island MD to Smith Point VA- 618 AM EST Mon Nov 9 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EST TONIGHT... * WHAT...Northwest winds 15 to 20 kt with gusts up to 30 kt and waves 2 to 4 ft. * WHERE...Tidal Potomac from Cobb Island MD to Smith Point VA. * WHEN...Until midnight EST tonight. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ535-536-091930- /O.CON.KLWX.SC.Y.0170.000000T0000Z-261109T2300Z/ Tidal Potomac from Key Bridge to Indian Head MD- Tidal Potomac from Indian Head to Cobb Island MD- 618 AM EST Mon Nov 9 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM EST THIS EVENING... * WHAT...Northwest winds 15 to 20 kt with gusts up to 30 kt. * WHERE...Tidal Potomac River from Key Bridge to Cobb Island MD. * WHEN...Until 6 PM EST this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Expired Issued At: 2026-11-09 22:56:29 878 WHUS71 KLWX 100456 MWWLWX URGENT - MARINE WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 1156 PM EST Mon Nov 9 2026 ANZ530>534-538>543-100600- /O.EXP.KLWX.SC.Y.0170.000000T0000Z-261110T0500Z/ Chesapeake Bay north of Pooles Island MD- Chesapeake Bay from Pooles Island to Sandy Point MD- Chesapeake Bay from Sandy Point to North Beach MD- Chesapeake Bay from North Beach to Drum Point MD- Chesapeake Bay from Drum Point MD to Smith Point VA- Patapsco River including Baltimore Harbor- Chester River to Queenstown MD-Eastern Bay- Choptank River to Cambridge MD and the Little Choptank River- Patuxent River to Broomes Island MD- Tangier Sound and the inland waters surrounding Bloodsworth Island- 1156 PM EST Mon Nov 9 2026 ...SMALL CRAFT ADVISORY WILL EXPIRE AT MIDNIGHT EST TONIGHT... Winds have diminished. $$ ANZ537-100600- /O.EXP.KLWX.SC.Y.0171.000000T0000Z-261110T0500Z/ Tidal Potomac from Cobb Island MD to Smith Point VA- 1156 PM EST Mon Nov 9 2026 ...SMALL CRAFT ADVISORY WILL EXPIRE AT MIDNIGHT EST TONIGHT... Winds have diminished. $$ | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||