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Home Return to list Small Craft Advisory 0182 Issued by the Baltimore / Washington Forecast Office
Action: New Issued At: 2025-12-18 10:55:46 064 WHUS71 KLWX 181655 MWWLWX URGENT - MARINE WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 1155 AM EST Thu Dec 18 2025 ANZ530>533-535>542-190100- /O.NEW.KLWX.SC.Y.0182.251218T2300Z-251219T1100Z/ /O.EXT.KLWX.GL.W.0030.251219T1100Z-251220T0600Z/ 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- Tidal Potomac from Key Bridge to Indian Head MD- Tidal Potomac from Indian Head to Cobb Island MD- Tidal Potomac from Cobb Island 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- 1155 AM EST Thu Dec 18 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 6 AM EST FRIDAY... ...GALE WARNING NOW IN EFFECT FROM 6 AM FRIDAY TO 1 AM EST SATURDAY... * WHAT...For the Small Craft Advisory, southeast winds 15 to 25 kt with gusts up to 30 kt and waves 2 to 4 ft expected. For the Gale Warning, west winds 20 to 30 kt with gusts up to 40 kt and waves 2 to 4 ft expected. * WHERE...Tidal Potomac River from Key Bridge to Smith Point VA, and Chesapeake Bay and adjoining estuaries north of Drum Point MD. * WHEN...For the Small Craft Advisory, from 6 PM this evening to 6 AM EST Friday. For the Gale Warning, from 6 AM Friday to 1 AM EST Saturday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels. * ADDITIONAL DETAILS...Strong southwest winds accompanying a squall line will bring brief gale-force winds early Friday morning. This will be followed by a brief drop in winds in the mid-morning hours before winds jump back up to gale-force, but this time out of the west-northwest by the afternoon. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ534-543-190100- /O.CON.KLWX.GL.W.0030.251218T2300Z-251220T0600Z/ Chesapeake Bay from Drum Point MD to Smith Point VA- Tangier Sound and the inland waters surrounding Bloodsworth Island- 1155 AM EST Thu Dec 18 2025 ...GALE WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 1 AM EST SATURDAY... * WHAT...South to southwest winds 15 to 25 kt with gusts up to 40 kt in the morning, turning out of the west-northwest by late morning into the afternoon around 20 to 30 kt with gusts up to 40 kt. Waves 2 to 5 ft expected. * WHERE...Chesapeake Bay from Drum Point MD to Smith Point VA, and Tangier Sound and the inland waters surrounding Bloodsworth Island. * WHEN...From 6 PM this evening to 1 AM EST Saturday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels. * ADDITIONAL DETAILS...Strong southwest winds accompanying a squall line will bring brief gale-force winds early Friday morning. This will be followed by a brief drop in winds in the mid-morning hours before winds jump back up to gale-force, but this time out of the west-northwest by the afternoon. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ DHOF Action: Continued Issued At: 2025-12-18 19:15:59 437 WHUS71 KLWX 190115 MWWLWX URGENT - MARINE WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 815 PM EST Thu Dec 18 2025 ANZ534-543-191100- /O.CAN.KLWX.GL.W.0030.000000T0000Z-251220T0600Z/ /O.EXB.KLWX.SC.Y.0182.000000T0000Z-251219T0500Z/ /O.NEW.KLWX.GL.W.0031.251219T0500Z-251220T0600Z/ Chesapeake Bay from Drum Point MD to Smith Point VA- Tangier Sound and the inland waters surrounding Bloodsworth Island- 815 PM EST Thu Dec 18 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EST TONIGHT... ...GALE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 1 AM EST SATURDAY... * WHAT...For the Small Craft Advisory, southeast winds 10 to 20 kt with gusts up to 25 kt. For the Gale Warning, southwest winds 20 to 30 kt with gusts up to 40 kt and waves 2 to 5 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 Small Craft Advisory, until midnight EST tonight. For the Gale Warning, from midnight tonight to 1 AM EST Saturday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels. * ADDITIONAL DETAILS...Strong southwest winds accompanying a squall line will bring brief gale-force winds early Friday morning. This will be followed by a brief drop in winds in the mid-morning hours before winds jump back up to gale-force, but this time out of the west-northwest by the afternoon. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ530>533-535>542-191100- /O.CON.KLWX.SC.Y.0182.000000T0000Z-251219T1100Z/ /O.CON.KLWX.GL.W.0030.251219T1100Z-251220T0600Z/ Chesapeake Bay north of Pooles Island MD- Chesapeake Bay from Pooles Island to Sandy Point MD- Chesapeake Bay from Sandy Point to North Beach MD- Chesapeake Bay from North Beach to Drum Point MD- Tidal Potomac from Key Bridge to Indian Head MD- Tidal Potomac from Indian Head to Cobb Island MD- Tidal Potomac from Cobb Island MD to Smith Point VA- Patapsco River including Baltimore Harbor- Chester River to Queenstown MD-Eastern Bay- Choptank River to Cambridge MD and the Little Choptank River- Patuxent River to Broomes Island MD- 815 PM EST Thu Dec 18 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST FRIDAY... ...GALE WARNING REMAINS IN EFFECT FROM 6 AM FRIDAY TO 1 AM EST SATURDAY... * WHAT...For the Small Craft Advisory, southeast winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 4 ft. For the Gale Warning, west winds 20 to 30 kt with gusts up to 40 kt and waves 2 to 4 ft expected. * WHERE...Tidal Potomac River from Key Bridge to Smith Point VA, and Chesapeake Bay and adjoining estuaries north of Drum Point MD. * WHEN...For the Small Craft Advisory, until 6 AM EST Friday. For the Gale Warning, from 6 AM Friday to 1 AM EST Saturday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels. * ADDITIONAL DETAILS...Strong southwest winds accompanying a squall line will bring brief gale-force winds early Friday morning. This will be followed by a brief drop in winds in the mid-morning hours before winds jump back up to gale-force, but this time out of the west-northwest by the afternoon. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ Action: Time and Area Extended Issued At: 2025-12-18 19:15:59 437 WHUS71 KLWX 190115 MWWLWX URGENT - MARINE WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 815 PM EST Thu Dec 18 2025 ANZ534-543-191100- /O.CAN.KLWX.GL.W.0030.000000T0000Z-251220T0600Z/ /O.EXB.KLWX.SC.Y.0182.000000T0000Z-251219T0500Z/ /O.NEW.KLWX.GL.W.0031.251219T0500Z-251220T0600Z/ Chesapeake Bay from Drum Point MD to Smith Point VA- Tangier Sound and the inland waters surrounding Bloodsworth Island- 815 PM EST Thu Dec 18 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EST TONIGHT... ...GALE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 1 AM EST SATURDAY... * WHAT...For the Small Craft Advisory, southeast winds 10 to 20 kt with gusts up to 25 kt. For the Gale Warning, southwest winds 20 to 30 kt with gusts up to 40 kt and waves 2 to 5 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 Small Craft Advisory, until midnight EST tonight. For the Gale Warning, from midnight tonight to 1 AM EST Saturday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels. * ADDITIONAL DETAILS...Strong southwest winds accompanying a squall line will bring brief gale-force winds early Friday morning. This will be followed by a brief drop in winds in the mid-morning hours before winds jump back up to gale-force, but this time out of the west-northwest by the afternoon. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ530>533-535>542-191100- /O.CON.KLWX.SC.Y.0182.000000T0000Z-251219T1100Z/ /O.CON.KLWX.GL.W.0030.251219T1100Z-251220T0600Z/ Chesapeake Bay north of Pooles Island MD- Chesapeake Bay from Pooles Island to Sandy Point MD- Chesapeake Bay from Sandy Point to North Beach MD- Chesapeake Bay from North Beach to Drum Point MD- Tidal Potomac from Key Bridge to Indian Head MD- Tidal Potomac from Indian Head to Cobb Island MD- Tidal Potomac from Cobb Island MD to Smith Point VA- Patapsco River including Baltimore Harbor- Chester River to Queenstown MD-Eastern Bay- Choptank River to Cambridge MD and the Little Choptank River- Patuxent River to Broomes Island MD- 815 PM EST Thu Dec 18 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST FRIDAY... ...GALE WARNING REMAINS IN EFFECT FROM 6 AM FRIDAY TO 1 AM EST SATURDAY... * WHAT...For the Small Craft Advisory, southeast winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 4 ft. For the Gale Warning, west winds 20 to 30 kt with gusts up to 40 kt and waves 2 to 4 ft expected. * WHERE...Tidal Potomac River from Key Bridge to Smith Point VA, and Chesapeake Bay and adjoining estuaries north of Drum Point MD. * WHEN...For the Small Craft Advisory, until 6 AM EST Friday. For the Gale Warning, from 6 AM Friday to 1 AM EST Saturday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels. * ADDITIONAL DETAILS...Strong southwest winds accompanying a squall line will bring brief gale-force winds early Friday morning. This will be followed by a brief drop in winds in the mid-morning hours before winds jump back up to gale-force, but this time out of the west-northwest by the afternoon. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ Action: Continued Issued At: 2025-12-19 00:18:07 143 WHUS71 KLWX 190617 MWWLWX URGENT - MARINE WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 117 AM EST Fri Dec 19 2025 ANZ530>533-535>542-191430- /O.CON.KLWX.SC.Y.0182.000000T0000Z-251219T1100Z/ /O.CON.KLWX.GL.W.0030.251219T1100Z-251220T0600Z/ 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- Tidal Potomac from Key Bridge to Indian Head MD- Tidal Potomac from Indian Head to Cobb Island MD- Tidal Potomac from Cobb Island 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- 117 AM EST Fri Dec 19 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST EARLY THIS MORNING... ...GALE WARNING REMAINS IN EFFECT FROM 6 AM THIS MORNING TO 1 AM EST SATURDAY... * WHAT...For the Small Craft Advisory, south winds 15 to 25 kt with gusts up to 30 kt. For the Gale Warning, west winds 20 to 30 kt with gusts up to 40 kt and waves 2 to 4 ft expected. * WHERE...Tidal Potomac River from Key Bridge to Smith Point VA, and Chesapeake Bay and adjoining estuaries north of Drum Point MD. * WHEN...For the Small Craft Advisory, until 6 AM EST early this morning. For the Gale Warning, from 6 AM this morning to 1 AM EST Saturday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels. * ADDITIONAL DETAILS...Strong southwest winds accompanying a squall line may bring brief gale-force gusts early this morning. This will be followed by a brief drop in winds in the mid- morning hours before winds jump back up to gale-force, but this time out of the west-northwest in the afternoon. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ534-543-191430- /O.CON.KLWX.GL.W.0031.000000T0000Z-251220T0600Z/ Chesapeake Bay from Drum Point MD to Smith Point VA- Tangier Sound and the inland waters surrounding Bloodsworth Island- 117 AM EST Fri Dec 19 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 1 AM EST SATURDAY... * WHAT...South winds 15 to 20 kt with gusts up to 35 kt, becoming west 20 to 30 kt with gusts up to 40 kt. Waves 2 to 5 ft. * WHERE...Chesapeake Bay from Drum Point MD to Smith Point VA and Tangier Sound and the inland waters surrounding Bloodsworth Island. * WHEN...Until 1 AM EST Saturday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels. * ADDITIONAL DETAILS...Strong southwest winds accompanying a squall line may bring brief gale-force gusts early this morning. This will be followed by a brief drop in winds in the mid- morning hours before winds jump back up to gale-force, but this time out of the west-northwest in the afternoon. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ Action: Cancelled Issued At: 2025-12-19 03:01:50 682 WHUS71 KLWX 190901 MWWLWX URGENT - MARINE WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 401 AM EST Fri Dec 19 2025 ANZ530>533-535>542-191715- /O.CAN.KLWX.SC.Y.0182.000000T0000Z-251219T1100Z/ /O.EXT.KLWX.GL.W.0030.251219T0901Z-251220T0600Z/ 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- Tidal Potomac from Key Bridge to Indian Head MD- Tidal Potomac from Indian Head to Cobb Island MD- Tidal Potomac from Cobb Island 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- 401 AM EST Fri Dec 19 2025 ...GALE WARNING NOW IN EFFECT UNTIL 1 AM EST SATURDAY... ...SMALL CRAFT ADVISORY IS CANCELLED... * WHAT...For the Gale Warning, west winds 20 to 30 kt with gusts up to 40 kt and waves 2 to 4 ft expected. * WHERE...Tidal Potomac River from Key Bridge to Smith Point VA, and Chesapeake Bay and adjoining estuaries north of Drum Point MD. * WHEN...Until 1 AM EST Saturday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels. * ADDITIONAL DETAILS...Strong southwest winds accompanying a squall line may bring brief gale-force gusts early this morning. This will be followed by a brief drop in winds in the mid- morning hours before winds jump back up to gale-force, but this time out of the west-northwest in the afternoon. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ ANZ534-543-191715- /O.CON.KLWX.GL.W.0031.000000T0000Z-251220T0600Z/ Chesapeake Bay from Drum Point MD to Smith Point VA- Tangier Sound and the inland waters surrounding Bloodsworth Island- 401 AM EST Fri Dec 19 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 1 AM EST SATURDAY... * WHAT...South winds 15 to 20 kt with gusts up to 35 kt, becoming west 20 to 30 kt with gusts up to 40 kt. Waves 2 to 5 ft. * WHERE...Chesapeake Bay from Drum Point MD to Smith Point VA and Tangier Sound and the inland waters surrounding Bloodsworth Island. * WHEN...Until 1 AM EST Saturday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels. * ADDITIONAL DETAILS...Strong southwest winds accompanying a squall line may bring brief gale-force gusts early this morning. This will be followed by a brief drop in winds in the mid- morning hours before winds jump back up to gale-force, but this time out of the west-northwest in the afternoon. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||