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Home Return to list Small Craft Advisory 0147 Issued by the Baltimore / Washington Forecast Office
Action: New Issued At: 2026-09-20 12:00:03 950 WHUS71 KLWX 201659 MWWLWX URGENT - MARINE WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 1259 PM EDT Sun Sep 20 2026 ANZ531>534-539>541-543-210100- /O.EXP.KLWX.SC.Y.0146.000000T0000Z-260920T1700Z/ /O.NEW.KLWX.SC.Y.0147.260921T1000Z-260921T1600Z/ 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- 1259 PM EDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 6 AM TO NOON EDT MONDAY... ...SMALL CRAFT ADVISORY WILL EXPIRE AT 1 PM EDT THIS AFTERNOON... * WHAT...Northeast winds 10 to 15 kt with gusts up to 20 kt expected. * WHERE...Chesapeake Bay from Pooles Island MD to 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 AM to noon EDT 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. && $$ ANZ530-537-538-542-201800- /O.EXP.KLWX.SC.Y.0146.000000T0000Z-260920T1700Z/ Chesapeake Bay north of Pooles Island MD- Tidal Potomac from Cobb Island MD to Smith Point VA- Patapsco River including Baltimore Harbor- Patuxent River to Broomes Island MD- 1259 PM EDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY WILL EXPIRE AT 1 PM EDT THIS AFTERNOON... Winds have diminished. $$ Action: Continued Issued At: 2026-09-20 18:56:33 421 WHUS71 KLWX 202356 MWWLWX URGENT - MARINE WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 756 PM EDT Sun Sep 20 2026 ANZ531>533-539>541-210800- /O.EXT.KLWX.SC.Y.0147.260921T0700Z-260921T1600Z/ 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- Chester River to Queenstown MD-Eastern Bay- Choptank River to Cambridge MD and the Little Choptank River- 756 PM EDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 3 AM TO NOON EDT MONDAY... * WHAT...North winds 10 to 15 kt with gusts up to 20 kt expected. * WHERE...Chesapeake Bay from Pooles Island MD to Drum Point MD, Chester River to Queenstown MD, Eastern Bay, and Choptank River to Cambridge MD and the Little Choptank River. * WHEN...From 3 AM to noon EDT 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. && $$ ANZ534-543-210800- /O.CON.KLWX.SC.Y.0147.260921T1000Z-260921T1600Z/ Chesapeake Bay from Drum Point MD to Smith Point VA- Tangier Sound and the inland waters surrounding Bloodsworth Island- 756 PM EDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 AM TO NOON EDT MONDAY... * WHAT...North winds 10 to 15 kt with gusts up to 20 kt expected. * WHERE...Chesapeake Bay from Drum Point MD to Smith Point VA and Tangier Sound and the inland waters surrounding Bloodsworth Island. * WHEN...From 6 AM to noon EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Time Extended Issued At: 2026-09-20 18:56:33 421 WHUS71 KLWX 202356 MWWLWX URGENT - MARINE WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 756 PM EDT Sun Sep 20 2026 ANZ531>533-539>541-210800- /O.EXT.KLWX.SC.Y.0147.260921T0700Z-260921T1600Z/ 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- Chester River to Queenstown MD-Eastern Bay- Choptank River to Cambridge MD and the Little Choptank River- 756 PM EDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 3 AM TO NOON EDT MONDAY... * WHAT...North winds 10 to 15 kt with gusts up to 20 kt expected. * WHERE...Chesapeake Bay from Pooles Island MD to Drum Point MD, Chester River to Queenstown MD, Eastern Bay, and Choptank River to Cambridge MD and the Little Choptank River. * WHEN...From 3 AM to noon EDT 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. && $$ ANZ534-543-210800- /O.CON.KLWX.SC.Y.0147.260921T1000Z-260921T1600Z/ Chesapeake Bay from Drum Point MD to Smith Point VA- Tangier Sound and the inland waters surrounding Bloodsworth Island- 756 PM EDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 AM TO NOON EDT MONDAY... * WHAT...North winds 10 to 15 kt with gusts up to 20 kt expected. * WHERE...Chesapeake Bay from Drum Point MD to Smith Point VA and Tangier Sound and the inland waters surrounding Bloodsworth Island. * WHEN...From 6 AM to noon EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-09-20 23:11:12 721 WHUS71 KLWX 210410 MWWLWX URGENT - MARINE WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 1210 AM EDT Mon Sep 21 2026 ANZ531>533-539>541-211215- /O.CON.KLWX.SC.Y.0147.260921T0700Z-260921T1600Z/ /O.NEW.KLWX.SC.Y.0148.260922T0000Z-260923T1000Z/ 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- Chester River to Queenstown MD-Eastern Bay- Choptank River to Cambridge MD and the Little Choptank River- 1210 AM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL NOON EDT TODAY... ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 6 AM EDT WEDNESDAY... * WHAT...For the first Small Craft Advisory, north winds 10 to 15 kt with gusts up to 20 kt expected. For the second Small Craft Advisory, northeast winds 15 to 25 kt with gusts up to 30 kt and waves 2 to 4 ft expected. * WHERE...Chesapeake Bay from Pooles Island MD to Drum Point MD, Chester River to Queenstown MD, Eastern Bay, and Choptank River to Cambridge MD and the Little Choptank River. * WHEN...For the first Small Craft Advisory, until noon EDT today. For the second Small Craft Advisory, from 8 PM this evening to 6 AM EDT Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ534-543-211215- /O.CON.KLWX.SC.Y.0147.260921T1000Z-260921T1600Z/ /O.NEW.KLWX.SC.Y.0148.260922T0000Z-260923T1000Z/ Chesapeake Bay from Drum Point MD to Smith Point VA- Tangier Sound and the inland waters surrounding Bloodsworth Island- 1210 AM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 AM THIS MORNING TO NOON EDT TODAY... ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 6 AM EDT WEDNESDAY... * WHAT...For the first Small Craft Advisory, north winds 10 to 15 kt with gusts up to 20 kt expected. For the second Small Craft Advisory, northeast winds 15 to 25 kt with gusts up to 30 kt and waves 2 to 4 ft expected. * WHERE...Chesapeake Bay from Drum Point MD to Smith Point VA and Tangier Sound and the inland waters surrounding Bloodsworth Island. * WHEN...For the first Small Craft Advisory, from 6 AM this morning to noon EDT today. For the second Small Craft Advisory, from 8 PM this evening to 6 AM EDT Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ530-537-538-542-211215- /O.NEW.KLWX.SC.Y.0148.260922T0000Z-260923T1000Z/ Chesapeake Bay north of Pooles Island MD- Tidal Potomac from Cobb Island MD to Smith Point VA- Patapsco River including Baltimore Harbor- Patuxent River to Broomes Island MD- 1210 AM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 6 AM EDT WEDNESDAY... * WHAT...Northeast winds 15 to 25 kt with gusts up to 30 kt expected. * WHERE...Chesapeake Bay north of Pooles Island MD, Tidal Potomac from Cobb Island MD to Smith Point VA, Patapsco River including Baltimore Harbor and Patuxent River to Broomes Island MD. * WHEN...From 8 PM this evening to 6 AM EDT Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ535-536-211215- /O.NEW.KLWX.SC.Y.0148.260922T1000Z-260923T1000Z/ Tidal Potomac from Key Bridge to Indian Head MD- Tidal Potomac from Indian Head to Cobb Island MD- 1210 AM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 6 AM TUESDAY TO 6 AM EDT WEDNESDAY... * WHAT...Northeast winds 10 to 20 kt with gusts up to 30 kt expected. * WHERE...Tidal Potomac River from Key Bridge to Cobb Island MD. * WHEN...From 6 AM Tuesday to 6 AM EDT Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-09-20 23:11:12 721 WHUS71 KLWX 210410 MWWLWX URGENT - MARINE WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 1210 AM EDT Mon Sep 21 2026 ANZ531>533-539>541-211215- /O.CON.KLWX.SC.Y.0147.260921T0700Z-260921T1600Z/ /O.NEW.KLWX.SC.Y.0148.260922T0000Z-260923T1000Z/ 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- Chester River to Queenstown MD-Eastern Bay- Choptank River to Cambridge MD and the Little Choptank River- 1210 AM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL NOON EDT TODAY... ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 6 AM EDT WEDNESDAY... * WHAT...For the first Small Craft Advisory, north winds 10 to 15 kt with gusts up to 20 kt expected. For the second Small Craft Advisory, northeast winds 15 to 25 kt with gusts up to 30 kt and waves 2 to 4 ft expected. * WHERE...Chesapeake Bay from Pooles Island MD to Drum Point MD, Chester River to Queenstown MD, Eastern Bay, and Choptank River to Cambridge MD and the Little Choptank River. * WHEN...For the first Small Craft Advisory, until noon EDT today. For the second Small Craft Advisory, from 8 PM this evening to 6 AM EDT Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ534-543-211215- /O.CON.KLWX.SC.Y.0147.260921T1000Z-260921T1600Z/ /O.NEW.KLWX.SC.Y.0148.260922T0000Z-260923T1000Z/ Chesapeake Bay from Drum Point MD to Smith Point VA- Tangier Sound and the inland waters surrounding Bloodsworth Island- 1210 AM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 AM THIS MORNING TO NOON EDT TODAY... ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 6 AM EDT WEDNESDAY... * WHAT...For the first Small Craft Advisory, north winds 10 to 15 kt with gusts up to 20 kt expected. For the second Small Craft Advisory, northeast winds 15 to 25 kt with gusts up to 30 kt and waves 2 to 4 ft expected. * WHERE...Chesapeake Bay from Drum Point MD to Smith Point VA and Tangier Sound and the inland waters surrounding Bloodsworth Island. * WHEN...For the first Small Craft Advisory, from 6 AM this morning to noon EDT today. For the second Small Craft Advisory, from 8 PM this evening to 6 AM EDT Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ530-537-538-542-211215- /O.NEW.KLWX.SC.Y.0148.260922T0000Z-260923T1000Z/ Chesapeake Bay north of Pooles Island MD- Tidal Potomac from Cobb Island MD to Smith Point VA- Patapsco River including Baltimore Harbor- Patuxent River to Broomes Island MD- 1210 AM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 6 AM EDT WEDNESDAY... * WHAT...Northeast winds 15 to 25 kt with gusts up to 30 kt expected. * WHERE...Chesapeake Bay north of Pooles Island MD, Tidal Potomac from Cobb Island MD to Smith Point VA, Patapsco River including Baltimore Harbor and Patuxent River to Broomes Island MD. * WHEN...From 8 PM this evening to 6 AM EDT Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ535-536-211215- /O.NEW.KLWX.SC.Y.0148.260922T1000Z-260923T1000Z/ Tidal Potomac from Key Bridge to Indian Head MD- Tidal Potomac from Indian Head to Cobb Island MD- 1210 AM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 6 AM TUESDAY TO 6 AM EDT WEDNESDAY... * WHAT...Northeast winds 10 to 20 kt with gusts up to 30 kt expected. * WHERE...Tidal Potomac River from Key Bridge to Cobb Island MD. * WHEN...From 6 AM Tuesday to 6 AM EDT Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-09-21 06:14:38 600 WHUS71 KLWX 211114 MWWLWX URGENT - MARINE WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 714 AM EDT Mon Sep 21 2026 ANZ531>534-539>541-543-211915- /O.CON.KLWX.SC.Y.0147.000000T0000Z-260921T1600Z/ /O.CON.KLWX.SC.Y.0148.260922T0000Z-260923T1000Z/ 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- 714 AM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL NOON EDT TODAY... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 6 AM EDT WEDNESDAY... * WHAT...For the first Small Craft Advisory, northeast winds 10 to 15 kt with gusts up to 20 kt. For the second Small Craft Advisory, northeast winds 15 to 25 kt with gusts up to 30 kt and waves 2 to 4 ft expected. * WHERE...Chesapeake Bay from Pooles Island MD to 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...For the first Small Craft Advisory, until noon EDT today. For the second Small Craft Advisory, from 8 PM this evening to 6 AM EDT Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ530-537-538-542-211915- /O.CON.KLWX.SC.Y.0148.260922T0000Z-260923T1000Z/ Chesapeake Bay north of Pooles Island MD- Tidal Potomac from Cobb Island MD to Smith Point VA- Patapsco River including Baltimore Harbor- Patuxent River to Broomes Island MD- 714 AM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 6 AM EDT WEDNESDAY... * WHAT...Northeast winds 15 to 25 kt with gusts up to 30 kt expected. * WHERE...Chesapeake Bay north of Pooles Island MD, Tidal Potomac from Cobb Island MD to Smith Point VA, Patapsco River including Baltimore Harbor, and Patuxent River to Broomes Island MD. * WHEN...From 8 PM this evening to 6 AM EDT Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ535-536-211915- /O.CON.KLWX.SC.Y.0148.260922T1000Z-260923T1000Z/ Tidal Potomac from Key Bridge to Indian Head MD- Tidal Potomac from Indian Head to Cobb Island MD- 714 AM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 AM TUESDAY TO 6 AM EDT WEDNESDAY... * WHAT...Northeast winds 15 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 Tuesday to 6 AM EDT Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ DHOF Action: Continued Issued At: 2026-09-21 08:00:20 040 WHUS71 KLWX 211259 MWWLWX URGENT - MARINE WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 859 AM EDT Mon Sep 21 2026 ANZ533-541-212100- /O.CON.KLWX.SC.Y.0147.000000T0000Z-260921T1600Z/ /O.CON.KLWX.SC.Y.0148.260922T0000Z-260923T1000Z/ /O.NEW.KLWX.GL.A.0009.260923T1000Z-260924T1000Z/ Chesapeake Bay from North Beach to Drum Point MD- Choptank River to Cambridge MD and the Little Choptank River- 859 AM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL NOON EDT TODAY... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 6 AM EDT WEDNESDAY... ...GALE WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE WEDNESDAY NIGHT... * WHAT...For the first Small Craft Advisory, northeast winds 10 to 15 kt with gusts up to 20 kt. For the second Small Craft Advisory, northeast winds 20 to 25 kt with gusts up to 30 kt and waves 2 to 4 ft expected. For the Gale Watch, northeast winds 20 to 30 kt with gusts up to 35 kt and waves 2 to 4 ft possible. * WHERE...Chesapeake Bay from North Beach to Drum Point MD, and Choptank River to Cambridge MD and the Little Choptank River. * WHEN...For the first Small Craft Advisory, until noon EDT today. For the second Small Craft Advisory, from 8 PM this evening to 6 AM EDT Wednesday. For the Gale Watch, from Wednesday morning through late Wednesday night. * IMPACTS...Strong winds can cause hazardous waves which could capsize or damage vessels. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and waves. && $$ ANZ534-543-212100- /O.CON.KLWX.SC.Y.0147.000000T0000Z-260921T1600Z/ /O.CON.KLWX.SC.Y.0148.260922T0000Z-260923T1000Z/ /O.NEW.KLWX.GL.A.0009.260923T1000Z-260924T2200Z/ Chesapeake Bay from Drum Point MD to Smith Point VA- Tangier Sound and the inland waters surrounding Bloodsworth Island- 859 AM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL NOON EDT TODAY... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 6 AM EDT WEDNESDAY... ...GALE WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH THURSDAY AFTERNOON... * WHAT...For the first Small Craft Advisory, northeast winds 10 to 15 kt with gusts up to 20 kt. For the second Small Craft Advisory, northeast winds 15 to 25 kt with gusts up to 30 kt and waves 2 to 4 ft expected. For the Gale Watch, northeast winds 20 to 30 kt with gusts up to 35 kt and waves 2 to 4 ft possible. * WHERE...Chesapeake Bay from Drum Point MD to Smith Point VA, and Tangier Sound and the inland waters surrounding Bloodsworth Island. * WHEN...For the first Small Craft Advisory, until noon EDT today. For the second Small Craft Advisory, from 8 PM this evening to 6 AM EDT Wednesday. For the Gale Watch, from Wednesday morning through Thursday afternoon. * IMPACTS...Strong winds can cause hazardous waves which could capsize or damage vessels. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and waves. && $$ ANZ531-532-539-540-212100- /O.CON.KLWX.SC.Y.0147.000000T0000Z-260921T1600Z/ /O.CON.KLWX.SC.Y.0148.260922T0000Z-260923T1000Z/ Chesapeake Bay from Pooles Island to Sandy Point MD- Chesapeake Bay from Sandy Point to North Beach MD- Chester River to Queenstown MD-Eastern Bay- 859 AM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL NOON EDT TODAY... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 6 AM EDT WEDNESDAY... * WHAT...For the first Small Craft Advisory, northeast winds 10 to 15 kt with gusts up to 20 kt. For the second Small Craft Advisory, northeast winds 15 to 25 kt with gusts up to 30 kt and waves 2 to 4 ft expected. * WHERE...Chesapeake Bay from Pooles Island MD to North Beach MD, Chester River to Queenstown MD, and Eastern Bay. * WHEN...For the first Small Craft Advisory, until noon EDT today. For the second Small Craft Advisory, from 8 PM this evening to 6 AM EDT Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ537-542-212100- /O.CON.KLWX.SC.Y.0148.260922T0000Z-260923T1000Z/ /O.NEW.KLWX.GL.A.0009.260923T1000Z-260924T1000Z/ Tidal Potomac from Cobb Island MD to Smith Point VA- Patuxent River to Broomes Island MD- 859 AM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 6 AM EDT WEDNESDAY... ...GALE WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE WEDNESDAY NIGHT... * WHAT...For the Small Craft Advisory, northeast winds 15 to 25 kt with gusts up to 30 kt and waves 2 to 4 ft expected. For the Gale Watch, northeast winds 20 to 30 kt with gusts up to 35 kt and waves 2 to 4 ft possible. * WHERE...Tidal Potomac from Cobb Island MD to Smith Point VA, and Patuxent River to Broomes Island MD. * WHEN...For the Small Craft Advisory, from 8 PM this evening to 6 AM EDT Wednesday. For the Gale Watch, from Wednesday morning through late Wednesday night. * IMPACTS...Strong winds can cause hazardous waves which could capsize or damage vessels. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and waves. && $$ ANZ530-538-212100- /O.CON.KLWX.SC.Y.0148.260922T0000Z-260923T1000Z/ Chesapeake Bay north of Pooles Island MD- Patapsco River including Baltimore Harbor- 859 AM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 6 AM EDT WEDNESDAY... * WHAT...Northeast winds 15 to 25 kt with gusts up to 30 kt expected. * WHERE...Chesapeake Bay north of Pooles Island MD, and Patapsco River including Baltimore Harbor. * WHEN...From 8 PM this evening to 6 AM EDT Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ535-536-212100- /O.CON.KLWX.SC.Y.0148.260922T1000Z-260923T1000Z/ Tidal Potomac from Key Bridge to Indian Head MD- Tidal Potomac from Indian Head to Cobb Island MD- 859 AM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 AM TUESDAY TO 6 AM EDT WEDNESDAY... * WHAT...Northeast winds 15 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 Tuesday to 6 AM EDT Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ DHOF Action: Continued Issued At: 2026-09-21 08:00:20 040 WHUS71 KLWX 211259 MWWLWX URGENT - MARINE WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 859 AM EDT Mon Sep 21 2026 ANZ533-541-212100- /O.CON.KLWX.SC.Y.0147.000000T0000Z-260921T1600Z/ /O.CON.KLWX.SC.Y.0148.260922T0000Z-260923T1000Z/ /O.NEW.KLWX.GL.A.0009.260923T1000Z-260924T1000Z/ Chesapeake Bay from North Beach to Drum Point MD- Choptank River to Cambridge MD and the Little Choptank River- 859 AM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL NOON EDT TODAY... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 6 AM EDT WEDNESDAY... ...GALE WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE WEDNESDAY NIGHT... * WHAT...For the first Small Craft Advisory, northeast winds 10 to 15 kt with gusts up to 20 kt. For the second Small Craft Advisory, northeast winds 20 to 25 kt with gusts up to 30 kt and waves 2 to 4 ft expected. For the Gale Watch, northeast winds 20 to 30 kt with gusts up to 35 kt and waves 2 to 4 ft possible. * WHERE...Chesapeake Bay from North Beach to Drum Point MD, and Choptank River to Cambridge MD and the Little Choptank River. * WHEN...For the first Small Craft Advisory, until noon EDT today. For the second Small Craft Advisory, from 8 PM this evening to 6 AM EDT Wednesday. For the Gale Watch, from Wednesday morning through late Wednesday night. * IMPACTS...Strong winds can cause hazardous waves which could capsize or damage vessels. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and waves. && $$ ANZ534-543-212100- /O.CON.KLWX.SC.Y.0147.000000T0000Z-260921T1600Z/ /O.CON.KLWX.SC.Y.0148.260922T0000Z-260923T1000Z/ /O.NEW.KLWX.GL.A.0009.260923T1000Z-260924T2200Z/ Chesapeake Bay from Drum Point MD to Smith Point VA- Tangier Sound and the inland waters surrounding Bloodsworth Island- 859 AM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL NOON EDT TODAY... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 6 AM EDT WEDNESDAY... ...GALE WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH THURSDAY AFTERNOON... * WHAT...For the first Small Craft Advisory, northeast winds 10 to 15 kt with gusts up to 20 kt. For the second Small Craft Advisory, northeast winds 15 to 25 kt with gusts up to 30 kt and waves 2 to 4 ft expected. For the Gale Watch, northeast winds 20 to 30 kt with gusts up to 35 kt and waves 2 to 4 ft possible. * WHERE...Chesapeake Bay from Drum Point MD to Smith Point VA, and Tangier Sound and the inland waters surrounding Bloodsworth Island. * WHEN...For the first Small Craft Advisory, until noon EDT today. For the second Small Craft Advisory, from 8 PM this evening to 6 AM EDT Wednesday. For the Gale Watch, from Wednesday morning through Thursday afternoon. * IMPACTS...Strong winds can cause hazardous waves which could capsize or damage vessels. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and waves. && $$ ANZ531-532-539-540-212100- /O.CON.KLWX.SC.Y.0147.000000T0000Z-260921T1600Z/ /O.CON.KLWX.SC.Y.0148.260922T0000Z-260923T1000Z/ Chesapeake Bay from Pooles Island to Sandy Point MD- Chesapeake Bay from Sandy Point to North Beach MD- Chester River to Queenstown MD-Eastern Bay- 859 AM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL NOON EDT TODAY... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 6 AM EDT WEDNESDAY... * WHAT...For the first Small Craft Advisory, northeast winds 10 to 15 kt with gusts up to 20 kt. For the second Small Craft Advisory, northeast winds 15 to 25 kt with gusts up to 30 kt and waves 2 to 4 ft expected. * WHERE...Chesapeake Bay from Pooles Island MD to North Beach MD, Chester River to Queenstown MD, and Eastern Bay. * WHEN...For the first Small Craft Advisory, until noon EDT today. For the second Small Craft Advisory, from 8 PM this evening to 6 AM EDT Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ537-542-212100- /O.CON.KLWX.SC.Y.0148.260922T0000Z-260923T1000Z/ /O.NEW.KLWX.GL.A.0009.260923T1000Z-260924T1000Z/ Tidal Potomac from Cobb Island MD to Smith Point VA- Patuxent River to Broomes Island MD- 859 AM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 6 AM EDT WEDNESDAY... ...GALE WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE WEDNESDAY NIGHT... * WHAT...For the Small Craft Advisory, northeast winds 15 to 25 kt with gusts up to 30 kt and waves 2 to 4 ft expected. For the Gale Watch, northeast winds 20 to 30 kt with gusts up to 35 kt and waves 2 to 4 ft possible. * WHERE...Tidal Potomac from Cobb Island MD to Smith Point VA, and Patuxent River to Broomes Island MD. * WHEN...For the Small Craft Advisory, from 8 PM this evening to 6 AM EDT Wednesday. For the Gale Watch, from Wednesday morning through late Wednesday night. * IMPACTS...Strong winds can cause hazardous waves which could capsize or damage vessels. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and waves. && $$ ANZ530-538-212100- /O.CON.KLWX.SC.Y.0148.260922T0000Z-260923T1000Z/ Chesapeake Bay north of Pooles Island MD- Patapsco River including Baltimore Harbor- 859 AM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 6 AM EDT WEDNESDAY... * WHAT...Northeast winds 15 to 25 kt with gusts up to 30 kt expected. * WHERE...Chesapeake Bay north of Pooles Island MD, and Patapsco River including Baltimore Harbor. * WHEN...From 8 PM this evening to 6 AM EDT Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ535-536-212100- /O.CON.KLWX.SC.Y.0148.260922T1000Z-260923T1000Z/ Tidal Potomac from Key Bridge to Indian Head MD- Tidal Potomac from Indian Head to Cobb Island MD- 859 AM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 AM TUESDAY TO 6 AM EDT WEDNESDAY... * WHAT...Northeast winds 15 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 Tuesday to 6 AM EDT Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ DHOF Action: Continued Issued At: 2026-09-21 08:00:20 040 WHUS71 KLWX 211259 MWWLWX URGENT - MARINE WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 859 AM EDT Mon Sep 21 2026 ANZ533-541-212100- /O.CON.KLWX.SC.Y.0147.000000T0000Z-260921T1600Z/ /O.CON.KLWX.SC.Y.0148.260922T0000Z-260923T1000Z/ /O.NEW.KLWX.GL.A.0009.260923T1000Z-260924T1000Z/ Chesapeake Bay from North Beach to Drum Point MD- Choptank River to Cambridge MD and the Little Choptank River- 859 AM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL NOON EDT TODAY... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 6 AM EDT WEDNESDAY... ...GALE WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE WEDNESDAY NIGHT... * WHAT...For the first Small Craft Advisory, northeast winds 10 to 15 kt with gusts up to 20 kt. For the second Small Craft Advisory, northeast winds 20 to 25 kt with gusts up to 30 kt and waves 2 to 4 ft expected. For the Gale Watch, northeast winds 20 to 30 kt with gusts up to 35 kt and waves 2 to 4 ft possible. * WHERE...Chesapeake Bay from North Beach to Drum Point MD, and Choptank River to Cambridge MD and the Little Choptank River. * WHEN...For the first Small Craft Advisory, until noon EDT today. For the second Small Craft Advisory, from 8 PM this evening to 6 AM EDT Wednesday. For the Gale Watch, from Wednesday morning through late Wednesday night. * IMPACTS...Strong winds can cause hazardous waves which could capsize or damage vessels. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and waves. && $$ ANZ534-543-212100- /O.CON.KLWX.SC.Y.0147.000000T0000Z-260921T1600Z/ /O.CON.KLWX.SC.Y.0148.260922T0000Z-260923T1000Z/ /O.NEW.KLWX.GL.A.0009.260923T1000Z-260924T2200Z/ Chesapeake Bay from Drum Point MD to Smith Point VA- Tangier Sound and the inland waters surrounding Bloodsworth Island- 859 AM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL NOON EDT TODAY... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 6 AM EDT WEDNESDAY... ...GALE WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH THURSDAY AFTERNOON... * WHAT...For the first Small Craft Advisory, northeast winds 10 to 15 kt with gusts up to 20 kt. For the second Small Craft Advisory, northeast winds 15 to 25 kt with gusts up to 30 kt and waves 2 to 4 ft expected. For the Gale Watch, northeast winds 20 to 30 kt with gusts up to 35 kt and waves 2 to 4 ft possible. * WHERE...Chesapeake Bay from Drum Point MD to Smith Point VA, and Tangier Sound and the inland waters surrounding Bloodsworth Island. * WHEN...For the first Small Craft Advisory, until noon EDT today. For the second Small Craft Advisory, from 8 PM this evening to 6 AM EDT Wednesday. For the Gale Watch, from Wednesday morning through Thursday afternoon. * IMPACTS...Strong winds can cause hazardous waves which could capsize or damage vessels. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and waves. && $$ ANZ531-532-539-540-212100- /O.CON.KLWX.SC.Y.0147.000000T0000Z-260921T1600Z/ /O.CON.KLWX.SC.Y.0148.260922T0000Z-260923T1000Z/ Chesapeake Bay from Pooles Island to Sandy Point MD- Chesapeake Bay from Sandy Point to North Beach MD- Chester River to Queenstown MD-Eastern Bay- 859 AM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL NOON EDT TODAY... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 6 AM EDT WEDNESDAY... * WHAT...For the first Small Craft Advisory, northeast winds 10 to 15 kt with gusts up to 20 kt. For the second Small Craft Advisory, northeast winds 15 to 25 kt with gusts up to 30 kt and waves 2 to 4 ft expected. * WHERE...Chesapeake Bay from Pooles Island MD to North Beach MD, Chester River to Queenstown MD, and Eastern Bay. * WHEN...For the first Small Craft Advisory, until noon EDT today. For the second Small Craft Advisory, from 8 PM this evening to 6 AM EDT Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ537-542-212100- /O.CON.KLWX.SC.Y.0148.260922T0000Z-260923T1000Z/ /O.NEW.KLWX.GL.A.0009.260923T1000Z-260924T1000Z/ Tidal Potomac from Cobb Island MD to Smith Point VA- Patuxent River to Broomes Island MD- 859 AM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 6 AM EDT WEDNESDAY... ...GALE WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE WEDNESDAY NIGHT... * WHAT...For the Small Craft Advisory, northeast winds 15 to 25 kt with gusts up to 30 kt and waves 2 to 4 ft expected. For the Gale Watch, northeast winds 20 to 30 kt with gusts up to 35 kt and waves 2 to 4 ft possible. * WHERE...Tidal Potomac from Cobb Island MD to Smith Point VA, and Patuxent River to Broomes Island MD. * WHEN...For the Small Craft Advisory, from 8 PM this evening to 6 AM EDT Wednesday. For the Gale Watch, from Wednesday morning through late Wednesday night. * IMPACTS...Strong winds can cause hazardous waves which could capsize or damage vessels. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and waves. && $$ ANZ530-538-212100- /O.CON.KLWX.SC.Y.0148.260922T0000Z-260923T1000Z/ Chesapeake Bay north of Pooles Island MD- Patapsco River including Baltimore Harbor- 859 AM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 6 AM EDT WEDNESDAY... * WHAT...Northeast winds 15 to 25 kt with gusts up to 30 kt expected. * WHERE...Chesapeake Bay north of Pooles Island MD, and Patapsco River including Baltimore Harbor. * WHEN...From 8 PM this evening to 6 AM EDT Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ535-536-212100- /O.CON.KLWX.SC.Y.0148.260922T1000Z-260923T1000Z/ Tidal Potomac from Key Bridge to Indian Head MD- Tidal Potomac from Indian Head to Cobb Island MD- 859 AM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 AM TUESDAY TO 6 AM EDT WEDNESDAY... * WHAT...Northeast winds 15 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 Tuesday to 6 AM EDT Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ DHOF Action: Expired Issued At: 2026-09-21 10:40:18 732 WHUS71 KLWX 211539 MWWLWX URGENT - MARINE WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 1139 AM EDT Mon Sep 21 2026 ANZ533-541-220000- /O.EXP.KLWX.SC.Y.0147.000000T0000Z-260921T1600Z/ /O.CON.KLWX.SC.Y.0148.260922T0000Z-260923T1000Z/ /O.CON.KLWX.GL.A.0009.260923T1000Z-260924T1000Z/ Chesapeake Bay from North Beach to Drum Point MD- Choptank River to Cambridge MD and the Little Choptank River- 1139 AM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 6 AM EDT WEDNESDAY... ...GALE WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE WEDNESDAY NIGHT... ...SMALL CRAFT ADVISORY WILL EXPIRE AT NOON EDT TODAY... * WHAT...For the Small Craft Advisory, northeast winds 20 to 25 with gusts up to 30 kt and waves 2 to 4 ft expected. For the Gale Watch, northeast winds 20 to 30 kt with gusts up to 35 kt and waves 2 to 4 ft possible. * WHERE...Chesapeake Bay from North Beach to Drum Point MD, and Choptank River to Cambridge MD and the Little Choptank River. * WHEN...For the Small Craft Advisory, from 8 PM this evening to 6 AM EDT Wednesday. For the Gale Watch, from Wednesday morning through late Wednesday night. * IMPACTS...Strong winds can cause hazardous waves which could capsize or damage vessels. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and waves. && $$ ANZ534-543-220000- /O.EXP.KLWX.SC.Y.0147.000000T0000Z-260921T1600Z/ /O.CON.KLWX.SC.Y.0148.260922T0000Z-260923T1000Z/ /O.CON.KLWX.GL.A.0009.260923T1000Z-260924T2200Z/ Chesapeake Bay from Drum Point MD to Smith Point VA- Tangier Sound and the inland waters surrounding Bloodsworth Island- 1139 AM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 6 AM EDT WEDNESDAY... ...GALE WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING THROUGH THURSDAY AFTERNOON... ...SMALL CRAFT ADVISORY WILL EXPIRE AT NOON EDT TODAY... * WHAT...For the Small Craft Advisory, northeast winds 15 to 25 kt with gusts up to 30 kt and waves 2 to 4 ft expected. For the Gale Watch, northeast winds 20 to 30 kt with gusts up to 35 kt and waves 2 to 4 ft possible. * WHERE...Chesapeake Bay from Drum Point MD to Smith Point VA, and Tangier Sound and the inland waters surrounding Bloodsworth Island. * WHEN...For the Small Craft Advisory, from 8 PM this evening to 6 AM EDT Wednesday. For the Gale Watch, from Wednesday morning through Thursday afternoon. * IMPACTS...Strong winds can cause hazardous waves which could capsize or damage vessels. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and waves. && $$ ANZ531-532-539-540-220000- /O.EXP.KLWX.SC.Y.0147.000000T0000Z-260921T1600Z/ /O.CON.KLWX.SC.Y.0148.260922T0000Z-260923T1000Z/ Chesapeake Bay from Pooles Island to Sandy Point MD- Chesapeake Bay from Sandy Point to North Beach MD- Chester River to Queenstown MD-Eastern Bay- 1139 AM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 6 AM EDT WEDNESDAY... ...SMALL CRAFT ADVISORY WILL EXPIRE AT NOON EDT TODAY... * WHAT...Northeast winds 15 to 25 kt with gusts up to 30 kt and waves 2 to 4 ft expected. * WHERE...Chesapeake Bay from Pooles Island MD to North Beach MD, Chester River to Queenstown MD, and Eastern Bay. * WHEN...From 8 PM this evening to 6 AM EDT Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ537-542-220000- /O.CON.KLWX.SC.Y.0148.260922T0000Z-260923T1000Z/ /O.CON.KLWX.GL.A.0009.260923T1000Z-260924T1000Z/ Tidal Potomac from Cobb Island MD to Smith Point VA- Patuxent River to Broomes Island MD- 1139 AM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 6 AM EDT WEDNESDAY... ...GALE WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE WEDNESDAY NIGHT... * WHAT...For the Small Craft Advisory, northeast winds 15 to 25 kt with gusts up to 30 kt and waves 2 to 4 ft expected. For the Gale Watch, northeast winds 20 to 30 kt with gusts up to 35 kt and waves 2 to 4 ft possible. * WHERE...Tidal Potomac from Cobb Island MD to Smith Point VA, and Patuxent River to Broomes Island MD. * WHEN...For the Small Craft Advisory, from 8 PM this evening to 6 AM EDT Wednesday. For the Gale Watch, from Wednesday morning through late Wednesday night. * IMPACTS...Strong winds can cause hazardous waves which could capsize or damage vessels. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and waves. && $$ ANZ530-538-220000- /O.CON.KLWX.SC.Y.0148.260922T0000Z-260923T1000Z/ Chesapeake Bay north of Pooles Island MD- Patapsco River including Baltimore Harbor- 1139 AM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 6 AM EDT WEDNESDAY... * WHAT...Northeast winds 15 to 25 kt with gusts up to 30 kt expected. * WHERE...Chesapeake Bay north of Pooles Island MD, and Patapsco River including Baltimore Harbor. * WHEN...From 8 PM this evening to 6 AM EDT Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ535-536-220000- /O.CON.KLWX.SC.Y.0148.260922T1000Z-260923T1000Z/ Tidal Potomac from Key Bridge to Indian Head MD- Tidal Potomac from Indian Head to Cobb Island MD- 1139 AM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 AM TUESDAY TO 6 AM EDT WEDNESDAY... * WHAT...Northeast winds 15 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 Tuesday to 6 AM EDT Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ DHOF Action: Expired Issued At: 2026-09-21 10:40:18 732 WHUS71 KLWX 211539 MWWLWX URGENT - MARINE WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 1139 AM EDT Mon Sep 21 2026 ANZ533-541-220000- /O.EXP.KLWX.SC.Y.0147.000000T0000Z-260921T1600Z/ /O.CON.KLWX.SC.Y.0148.260922T0000Z-260923T1000Z/ /O.CON.KLWX.GL.A.0009.260923T1000Z-260924T1000Z/ Chesapeake Bay from North Beach to Drum Point MD- Choptank River to Cambridge MD and the Little Choptank River- 1139 AM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 6 AM EDT WEDNESDAY... ...GALE WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE WEDNESDAY NIGHT... ...SMALL CRAFT ADVISORY WILL EXPIRE AT NOON EDT TODAY... * WHAT...For the Small Craft Advisory, northeast winds 20 to 25 with gusts up to 30 kt and waves 2 to 4 ft expected. For the Gale Watch, northeast winds 20 to 30 kt with gusts up to 35 kt and waves 2 to 4 ft possible. * WHERE...Chesapeake Bay from North Beach to Drum Point MD, and Choptank River to Cambridge MD and the Little Choptank River. * WHEN...For the Small Craft Advisory, from 8 PM this evening to 6 AM EDT Wednesday. For the Gale Watch, from Wednesday morning through late Wednesday night. * IMPACTS...Strong winds can cause hazardous waves which could capsize or damage vessels. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and waves. && $$ ANZ534-543-220000- /O.EXP.KLWX.SC.Y.0147.000000T0000Z-260921T1600Z/ /O.CON.KLWX.SC.Y.0148.260922T0000Z-260923T1000Z/ /O.CON.KLWX.GL.A.0009.260923T1000Z-260924T2200Z/ Chesapeake Bay from Drum Point MD to Smith Point VA- Tangier Sound and the inland waters surrounding Bloodsworth Island- 1139 AM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 6 AM EDT WEDNESDAY... ...GALE WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING THROUGH THURSDAY AFTERNOON... ...SMALL CRAFT ADVISORY WILL EXPIRE AT NOON EDT TODAY... * WHAT...For the Small Craft Advisory, northeast winds 15 to 25 kt with gusts up to 30 kt and waves 2 to 4 ft expected. For the Gale Watch, northeast winds 20 to 30 kt with gusts up to 35 kt and waves 2 to 4 ft possible. * WHERE...Chesapeake Bay from Drum Point MD to Smith Point VA, and Tangier Sound and the inland waters surrounding Bloodsworth Island. * WHEN...For the Small Craft Advisory, from 8 PM this evening to 6 AM EDT Wednesday. For the Gale Watch, from Wednesday morning through Thursday afternoon. * IMPACTS...Strong winds can cause hazardous waves which could capsize or damage vessels. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and waves. && $$ ANZ531-532-539-540-220000- /O.EXP.KLWX.SC.Y.0147.000000T0000Z-260921T1600Z/ /O.CON.KLWX.SC.Y.0148.260922T0000Z-260923T1000Z/ Chesapeake Bay from Pooles Island to Sandy Point MD- Chesapeake Bay from Sandy Point to North Beach MD- Chester River to Queenstown MD-Eastern Bay- 1139 AM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 6 AM EDT WEDNESDAY... ...SMALL CRAFT ADVISORY WILL EXPIRE AT NOON EDT TODAY... * WHAT...Northeast winds 15 to 25 kt with gusts up to 30 kt and waves 2 to 4 ft expected. * WHERE...Chesapeake Bay from Pooles Island MD to North Beach MD, Chester River to Queenstown MD, and Eastern Bay. * WHEN...From 8 PM this evening to 6 AM EDT Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ537-542-220000- /O.CON.KLWX.SC.Y.0148.260922T0000Z-260923T1000Z/ /O.CON.KLWX.GL.A.0009.260923T1000Z-260924T1000Z/ Tidal Potomac from Cobb Island MD to Smith Point VA- Patuxent River to Broomes Island MD- 1139 AM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 6 AM EDT WEDNESDAY... ...GALE WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE WEDNESDAY NIGHT... * WHAT...For the Small Craft Advisory, northeast winds 15 to 25 kt with gusts up to 30 kt and waves 2 to 4 ft expected. For the Gale Watch, northeast winds 20 to 30 kt with gusts up to 35 kt and waves 2 to 4 ft possible. * WHERE...Tidal Potomac from Cobb Island MD to Smith Point VA, and Patuxent River to Broomes Island MD. * WHEN...For the Small Craft Advisory, from 8 PM this evening to 6 AM EDT Wednesday. For the Gale Watch, from Wednesday morning through late Wednesday night. * IMPACTS...Strong winds can cause hazardous waves which could capsize or damage vessels. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and waves. && $$ ANZ530-538-220000- /O.CON.KLWX.SC.Y.0148.260922T0000Z-260923T1000Z/ Chesapeake Bay north of Pooles Island MD- Patapsco River including Baltimore Harbor- 1139 AM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 6 AM EDT WEDNESDAY... * WHAT...Northeast winds 15 to 25 kt with gusts up to 30 kt expected. * WHERE...Chesapeake Bay north of Pooles Island MD, and Patapsco River including Baltimore Harbor. * WHEN...From 8 PM this evening to 6 AM EDT Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ535-536-220000- /O.CON.KLWX.SC.Y.0148.260922T1000Z-260923T1000Z/ Tidal Potomac from Key Bridge to Indian Head MD- Tidal Potomac from Indian Head to Cobb Island MD- 1139 AM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 AM TUESDAY TO 6 AM EDT WEDNESDAY... * WHAT...Northeast winds 15 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 Tuesday to 6 AM EDT Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ DHOF Action: Expired Issued At: 2026-09-21 10:40:18 732 WHUS71 KLWX 211539 MWWLWX URGENT - MARINE WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 1139 AM EDT Mon Sep 21 2026 ANZ533-541-220000- /O.EXP.KLWX.SC.Y.0147.000000T0000Z-260921T1600Z/ /O.CON.KLWX.SC.Y.0148.260922T0000Z-260923T1000Z/ /O.CON.KLWX.GL.A.0009.260923T1000Z-260924T1000Z/ Chesapeake Bay from North Beach to Drum Point MD- Choptank River to Cambridge MD and the Little Choptank River- 1139 AM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 6 AM EDT WEDNESDAY... ...GALE WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE WEDNESDAY NIGHT... ...SMALL CRAFT ADVISORY WILL EXPIRE AT NOON EDT TODAY... * WHAT...For the Small Craft Advisory, northeast winds 20 to 25 with gusts up to 30 kt and waves 2 to 4 ft expected. For the Gale Watch, northeast winds 20 to 30 kt with gusts up to 35 kt and waves 2 to 4 ft possible. * WHERE...Chesapeake Bay from North Beach to Drum Point MD, and Choptank River to Cambridge MD and the Little Choptank River. * WHEN...For the Small Craft Advisory, from 8 PM this evening to 6 AM EDT Wednesday. For the Gale Watch, from Wednesday morning through late Wednesday night. * IMPACTS...Strong winds can cause hazardous waves which could capsize or damage vessels. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and waves. && $$ ANZ534-543-220000- /O.EXP.KLWX.SC.Y.0147.000000T0000Z-260921T1600Z/ /O.CON.KLWX.SC.Y.0148.260922T0000Z-260923T1000Z/ /O.CON.KLWX.GL.A.0009.260923T1000Z-260924T2200Z/ Chesapeake Bay from Drum Point MD to Smith Point VA- Tangier Sound and the inland waters surrounding Bloodsworth Island- 1139 AM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 6 AM EDT WEDNESDAY... ...GALE WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING THROUGH THURSDAY AFTERNOON... ...SMALL CRAFT ADVISORY WILL EXPIRE AT NOON EDT TODAY... * WHAT...For the Small Craft Advisory, northeast winds 15 to 25 kt with gusts up to 30 kt and waves 2 to 4 ft expected. For the Gale Watch, northeast winds 20 to 30 kt with gusts up to 35 kt and waves 2 to 4 ft possible. * WHERE...Chesapeake Bay from Drum Point MD to Smith Point VA, and Tangier Sound and the inland waters surrounding Bloodsworth Island. * WHEN...For the Small Craft Advisory, from 8 PM this evening to 6 AM EDT Wednesday. For the Gale Watch, from Wednesday morning through Thursday afternoon. * IMPACTS...Strong winds can cause hazardous waves which could capsize or damage vessels. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and waves. && $$ ANZ531-532-539-540-220000- /O.EXP.KLWX.SC.Y.0147.000000T0000Z-260921T1600Z/ /O.CON.KLWX.SC.Y.0148.260922T0000Z-260923T1000Z/ Chesapeake Bay from Pooles Island to Sandy Point MD- Chesapeake Bay from Sandy Point to North Beach MD- Chester River to Queenstown MD-Eastern Bay- 1139 AM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 6 AM EDT WEDNESDAY... ...SMALL CRAFT ADVISORY WILL EXPIRE AT NOON EDT TODAY... * WHAT...Northeast winds 15 to 25 kt with gusts up to 30 kt and waves 2 to 4 ft expected. * WHERE...Chesapeake Bay from Pooles Island MD to North Beach MD, Chester River to Queenstown MD, and Eastern Bay. * WHEN...From 8 PM this evening to 6 AM EDT Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ537-542-220000- /O.CON.KLWX.SC.Y.0148.260922T0000Z-260923T1000Z/ /O.CON.KLWX.GL.A.0009.260923T1000Z-260924T1000Z/ Tidal Potomac from Cobb Island MD to Smith Point VA- Patuxent River to Broomes Island MD- 1139 AM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 6 AM EDT WEDNESDAY... ...GALE WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE WEDNESDAY NIGHT... * WHAT...For the Small Craft Advisory, northeast winds 15 to 25 kt with gusts up to 30 kt and waves 2 to 4 ft expected. For the Gale Watch, northeast winds 20 to 30 kt with gusts up to 35 kt and waves 2 to 4 ft possible. * WHERE...Tidal Potomac from Cobb Island MD to Smith Point VA, and Patuxent River to Broomes Island MD. * WHEN...For the Small Craft Advisory, from 8 PM this evening to 6 AM EDT Wednesday. For the Gale Watch, from Wednesday morning through late Wednesday night. * IMPACTS...Strong winds can cause hazardous waves which could capsize or damage vessels. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and waves. && $$ ANZ530-538-220000- /O.CON.KLWX.SC.Y.0148.260922T0000Z-260923T1000Z/ Chesapeake Bay north of Pooles Island MD- Patapsco River including Baltimore Harbor- 1139 AM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 6 AM EDT WEDNESDAY... * WHAT...Northeast winds 15 to 25 kt with gusts up to 30 kt expected. * WHERE...Chesapeake Bay north of Pooles Island MD, and Patapsco River including Baltimore Harbor. * WHEN...From 8 PM this evening to 6 AM EDT Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ535-536-220000- /O.CON.KLWX.SC.Y.0148.260922T1000Z-260923T1000Z/ Tidal Potomac from Key Bridge to Indian Head MD- Tidal Potomac from Indian Head to Cobb Island MD- 1139 AM EDT Mon Sep 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 AM TUESDAY TO 6 AM EDT WEDNESDAY... * WHAT...Northeast winds 15 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 Tuesday to 6 AM EDT Wednesday. * 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 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||