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Small Craft Advisory 0183
Issued by the Baltimore / Washington Forecast Office

Action Issued Starts Expiration
New 2025-12-19 22:25:06 2025-12-19 22:24:00 2025-12-20 03:00:00
New 2025-12-19 22:25:06 2025-12-19 22:24:00 2025-12-20 03:00:00
New 2025-12-19 22:25:06 2025-12-19 22:24:00 2025-12-20 00:00:00
Continued 2025-12-20 00:00:08 2025-12-20 03:00:00
Expired 2025-12-20 00:00:08 2025-12-20 00:00:00
Expired 2025-12-20 02:57:42 2025-12-20 03:00:00
Expired 2025-12-20 02:57:42 2025-12-20 03:00:00
Time Extended 2025-12-20 02:57:42 2025-12-20 05:00:00
Expired 2025-12-20 05:02:06 2025-12-20 05:00:00


Action: New
Issued At: 2025-12-19 22:25:06

051 
WHUS71 KLWX 200424
MWWLWX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
1124 PM EST Fri Dec 19 2025

ANZ535-536-542-200600-
/O.CAN.KLWX.GL.W.0030.000000T0000Z-251220T0600Z/
/O.NEW.KLWX.SC.Y.0183.251220T0424Z-251220T0600Z/
Tidal Potomac from Key Bridge to Indian Head MD-
Tidal Potomac from Indian Head to Cobb Island MD-
Patuxent River to Broomes Island MD-
1124 PM EST Fri Dec 19 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EST SATURDAY...
...GALE WARNING IS CANCELLED...

* WHAT...Northwest winds 10 to 15 kt with gusts up to 20 kt.

* WHERE...Tidal Potomac River from Key Bridge to Cobb Island MD, 
  and Patuxent River to Broomes Island MD.

* WHEN...Until 1 AM EST Saturday.

* 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>533-537>541-200900-
/O.CAN.KLWX.GL.W.0030.000000T0000Z-251220T0600Z/
/O.NEW.KLWX.SC.Y.0183.251220T0424Z-251220T0900Z/
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 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-
1124 PM EST Fri Dec 19 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EST SATURDAY...
...GALE WARNING IS CANCELLED...

* WHAT...Northwest winds 10 to 20 kt with gusts up to 25 kt.

* WHERE...Chesapeake Bay north of Drum Point MD, Tidal Potomac 
  from Cobb Island MD to Smith Point VA, Patapsco River 
  including Baltimore Harbor, Chester River to Queenstown MD, 
  Eastern Bay, and Choptank River to Cambridge MD and the Little 
  Choptank River.

* WHEN...Until 4 AM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

ANZ534-543-200900-
/O.CAN.KLWX.GL.W.0031.000000T0000Z-251220T0600Z/
/O.NEW.KLWX.SC.Y.0183.251220T0424Z-251220T0900Z/
Chesapeake Bay from Drum Point MD to Smith Point VA-
Tangier Sound and the inland waters surrounding Bloodsworth
Island-
1124 PM EST Fri Dec 19 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EST SATURDAY...
...GALE WARNING IS CANCELLED...

* WHAT...Northwest winds 10 to 20 kt with gusts up to 25 kt.

* WHERE...Chesapeake Bay from Drum Point MD to Smith Point VA 
  and Tangier Sound and the inland waters surrounding 
  Bloodsworth Island.

* WHEN...Until 4 AM EST Saturday.

* 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: New
Issued At: 2025-12-19 22:25:06

051 
WHUS71 KLWX 200424
MWWLWX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
1124 PM EST Fri Dec 19 2025

ANZ535-536-542-200600-
/O.CAN.KLWX.GL.W.0030.000000T0000Z-251220T0600Z/
/O.NEW.KLWX.SC.Y.0183.251220T0424Z-251220T0600Z/
Tidal Potomac from Key Bridge to Indian Head MD-
Tidal Potomac from Indian Head to Cobb Island MD-
Patuxent River to Broomes Island MD-
1124 PM EST Fri Dec 19 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EST SATURDAY...
...GALE WARNING IS CANCELLED...

* WHAT...Northwest winds 10 to 15 kt with gusts up to 20 kt.

* WHERE...Tidal Potomac River from Key Bridge to Cobb Island MD, 
  and Patuxent River to Broomes Island MD.

* WHEN...Until 1 AM EST Saturday.

* 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>533-537>541-200900-
/O.CAN.KLWX.GL.W.0030.000000T0000Z-251220T0600Z/
/O.NEW.KLWX.SC.Y.0183.251220T0424Z-251220T0900Z/
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 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-
1124 PM EST Fri Dec 19 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EST SATURDAY...
...GALE WARNING IS CANCELLED...

* WHAT...Northwest winds 10 to 20 kt with gusts up to 25 kt.

* WHERE...Chesapeake Bay north of Drum Point MD, Tidal Potomac 
  from Cobb Island MD to Smith Point VA, Patapsco River 
  including Baltimore Harbor, Chester River to Queenstown MD, 
  Eastern Bay, and Choptank River to Cambridge MD and the Little 
  Choptank River.

* WHEN...Until 4 AM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

ANZ534-543-200900-
/O.CAN.KLWX.GL.W.0031.000000T0000Z-251220T0600Z/
/O.NEW.KLWX.SC.Y.0183.251220T0424Z-251220T0900Z/
Chesapeake Bay from Drum Point MD to Smith Point VA-
Tangier Sound and the inland waters surrounding Bloodsworth
Island-
1124 PM EST Fri Dec 19 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EST SATURDAY...
...GALE WARNING IS CANCELLED...

* WHAT...Northwest winds 10 to 20 kt with gusts up to 25 kt.

* WHERE...Chesapeake Bay from Drum Point MD to Smith Point VA 
  and Tangier Sound and the inland waters surrounding 
  Bloodsworth Island.

* WHEN...Until 4 AM EST Saturday.

* 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: New
Issued At: 2025-12-19 22:25:06

051 
WHUS71 KLWX 200424
MWWLWX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
1124 PM EST Fri Dec 19 2025

ANZ535-536-542-200600-
/O.CAN.KLWX.GL.W.0030.000000T0000Z-251220T0600Z/
/O.NEW.KLWX.SC.Y.0183.251220T0424Z-251220T0600Z/
Tidal Potomac from Key Bridge to Indian Head MD-
Tidal Potomac from Indian Head to Cobb Island MD-
Patuxent River to Broomes Island MD-
1124 PM EST Fri Dec 19 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EST SATURDAY...
...GALE WARNING IS CANCELLED...

* WHAT...Northwest winds 10 to 15 kt with gusts up to 20 kt.

* WHERE...Tidal Potomac River from Key Bridge to Cobb Island MD, 
  and Patuxent River to Broomes Island MD.

* WHEN...Until 1 AM EST Saturday.

* 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>533-537>541-200900-
/O.CAN.KLWX.GL.W.0030.000000T0000Z-251220T0600Z/
/O.NEW.KLWX.SC.Y.0183.251220T0424Z-251220T0900Z/
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 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-
1124 PM EST Fri Dec 19 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EST SATURDAY...
...GALE WARNING IS CANCELLED...

* WHAT...Northwest winds 10 to 20 kt with gusts up to 25 kt.

* WHERE...Chesapeake Bay north of Drum Point MD, Tidal Potomac 
  from Cobb Island MD to Smith Point VA, Patapsco River 
  including Baltimore Harbor, Chester River to Queenstown MD, 
  Eastern Bay, and Choptank River to Cambridge MD and the Little 
  Choptank River.

* WHEN...Until 4 AM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

ANZ534-543-200900-
/O.CAN.KLWX.GL.W.0031.000000T0000Z-251220T0600Z/
/O.NEW.KLWX.SC.Y.0183.251220T0424Z-251220T0900Z/
Chesapeake Bay from Drum Point MD to Smith Point VA-
Tangier Sound and the inland waters surrounding Bloodsworth
Island-
1124 PM EST Fri Dec 19 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EST SATURDAY...
...GALE WARNING IS CANCELLED...

* WHAT...Northwest winds 10 to 20 kt with gusts up to 25 kt.

* WHERE...Chesapeake Bay from Drum Point MD to Smith Point VA 
  and Tangier Sound and the inland waters surrounding 
  Bloodsworth Island.

* WHEN...Until 4 AM EST Saturday.

* 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: 2025-12-20 00:00:08

579 
WHUS71 KLWX 200559
MWWLWX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
1259 AM EST Sat Dec 20 2025

ANZ535-536-542-200700-
/O.EXP.KLWX.SC.Y.0183.000000T0000Z-251220T0600Z/
Tidal Potomac from Key Bridge to Indian Head MD-
Tidal Potomac from Indian Head to Cobb Island MD-
Patuxent River to Broomes Island MD-
1259 AM EST Sat Dec 20 2025

...SMALL CRAFT ADVISORY WILL EXPIRE AT 1 AM EST EARLY THIS
MORNING...

Winds are diminishing for the following areas...
Tidal Potomac from Key Bridge to Indian Head MD...
Tidal Potomac from Indian Head to Cobb Island MD...
Patuxent River to Broomes Island MD.

$$

ANZ530>534-537>541-543-200900-
/O.CON.KLWX.SC.Y.0183.000000T0000Z-251220T0900Z/
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-
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-
Tangier Sound and the inland waters surrounding Bloodsworth
Island-
1259 AM EST Sat Dec 20 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EST EARLY
THIS MORNING...

* WHAT...Northwest winds 10 to 20 kt with gusts up to 25 kt.

* WHERE...Chesapeake Bay main channel north of Smith Point VA, 
  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, and Tangier Sound and the inland waters 
  surrounding Bloodsworth Island.

* WHEN...Until 4 AM EST early this morning.

* 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: 2025-12-20 00:00:08

579 
WHUS71 KLWX 200559
MWWLWX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
1259 AM EST Sat Dec 20 2025

ANZ535-536-542-200700-
/O.EXP.KLWX.SC.Y.0183.000000T0000Z-251220T0600Z/
Tidal Potomac from Key Bridge to Indian Head MD-
Tidal Potomac from Indian Head to Cobb Island MD-
Patuxent River to Broomes Island MD-
1259 AM EST Sat Dec 20 2025

...SMALL CRAFT ADVISORY WILL EXPIRE AT 1 AM EST EARLY THIS
MORNING...

Winds are diminishing for the following areas...
Tidal Potomac from Key Bridge to Indian Head MD...
Tidal Potomac from Indian Head to Cobb Island MD...
Patuxent River to Broomes Island MD.

$$

ANZ530>534-537>541-543-200900-
/O.CON.KLWX.SC.Y.0183.000000T0000Z-251220T0900Z/
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-
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-
Tangier Sound and the inland waters surrounding Bloodsworth
Island-
1259 AM EST Sat Dec 20 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EST EARLY
THIS MORNING...

* WHAT...Northwest winds 10 to 20 kt with gusts up to 25 kt.

* WHERE...Chesapeake Bay main channel north of Smith Point VA, 
  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, and Tangier Sound and the inland waters 
  surrounding Bloodsworth Island.

* WHEN...Until 4 AM EST early this morning.

* 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: 2025-12-20 02:57:42

122 
WHUS71 KLWX 200857
MWWLWX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
357 AM EST Sat Dec 20 2025

ANZ530>532-537-539>541-201700-
/O.EXP.KLWX.SC.Y.0183.000000T0000Z-251220T0900Z/
/O.NEW.KLWX.SC.Y.0184.251220T2300Z-251221T1100Z/
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-
Tidal Potomac from Cobb Island MD to Smith Point VA-
Chester River to Queenstown MD-Eastern Bay-
Choptank River to Cambridge MD and the Little Choptank River-
357 AM EST Sat Dec 20 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 6 AM
EST SUNDAY...
...SMALL CRAFT ADVISORY WILL EXPIRE AT 4 AM EST EARLY THIS
MORNING...

* WHAT...South winds 10 to 20 kt with gusts up to 25 kt expected.

* WHERE...Chesapeake Bay north of North Beach MD, Tidal Potomac 
  from Cobb Island MD to Smith Point VA, Chester River to 
  Queenstown MD, Eastern Bay, and Choptank River to Cambridge MD 
  and the Little Choptank River.

* WHEN...From 6 PM this evening to 6 AM EST Sunday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

ANZ538-201000-
/O.EXP.KLWX.SC.Y.0183.000000T0000Z-251220T0900Z/
Patapsco River including Baltimore Harbor-
357 AM EST Sat Dec 20 2025

...SMALL CRAFT ADVISORY WILL EXPIRE AT 4 AM EST EARLY THIS
MORNING...

Winds have diminished for the Patapsco River including Baltimore
Harbor.

$$

ANZ533-534-543-201700-
/O.EXT.KLWX.SC.Y.0183.000000T0000Z-251220T1100Z/
/O.NEW.KLWX.SC.Y.0184.251220T2300Z-251221T1100Z/
Chesapeake Bay from North Beach to Drum Point MD-
Chesapeake Bay from Drum Point MD to Smith Point VA-
Tangier Sound and the inland waters surrounding Bloodsworth
Island-
357 AM EST Sat Dec 20 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 6 AM EST EARLY THIS
MORNING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 6 AM
EST SUNDAY...

* WHAT...For the first Small Craft Advisory, north winds 10 to 
  15 kt with gusts up to 20 kt. For the second Small Craft 
  Advisory, south winds 10 to 20 kt with gusts up to 25 kt 
  expected.

* WHERE...Chesapeake Bay from North Beach MD to Smith Point VA, 
  and Tangier Sound and the inland waters surrounding 
  Bloodsworth Island.

* WHEN...For the first Small Craft Advisory, until 6 AM EST 
  early this morning. For the second Small Craft Advisory, from 
  6 PM this evening to 6 AM EST Sunday.

* 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: 2025-12-20 02:57:42

122 
WHUS71 KLWX 200857
MWWLWX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
357 AM EST Sat Dec 20 2025

ANZ530>532-537-539>541-201700-
/O.EXP.KLWX.SC.Y.0183.000000T0000Z-251220T0900Z/
/O.NEW.KLWX.SC.Y.0184.251220T2300Z-251221T1100Z/
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-
Tidal Potomac from Cobb Island MD to Smith Point VA-
Chester River to Queenstown MD-Eastern Bay-
Choptank River to Cambridge MD and the Little Choptank River-
357 AM EST Sat Dec 20 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 6 AM
EST SUNDAY...
...SMALL CRAFT ADVISORY WILL EXPIRE AT 4 AM EST EARLY THIS
MORNING...

* WHAT...South winds 10 to 20 kt with gusts up to 25 kt expected.

* WHERE...Chesapeake Bay north of North Beach MD, Tidal Potomac 
  from Cobb Island MD to Smith Point VA, Chester River to 
  Queenstown MD, Eastern Bay, and Choptank River to Cambridge MD 
  and the Little Choptank River.

* WHEN...From 6 PM this evening to 6 AM EST Sunday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

ANZ538-201000-
/O.EXP.KLWX.SC.Y.0183.000000T0000Z-251220T0900Z/
Patapsco River including Baltimore Harbor-
357 AM EST Sat Dec 20 2025

...SMALL CRAFT ADVISORY WILL EXPIRE AT 4 AM EST EARLY THIS
MORNING...

Winds have diminished for the Patapsco River including Baltimore
Harbor.

$$

ANZ533-534-543-201700-
/O.EXT.KLWX.SC.Y.0183.000000T0000Z-251220T1100Z/
/O.NEW.KLWX.SC.Y.0184.251220T2300Z-251221T1100Z/
Chesapeake Bay from North Beach to Drum Point MD-
Chesapeake Bay from Drum Point MD to Smith Point VA-
Tangier Sound and the inland waters surrounding Bloodsworth
Island-
357 AM EST Sat Dec 20 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 6 AM EST EARLY THIS
MORNING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 6 AM
EST SUNDAY...

* WHAT...For the first Small Craft Advisory, north winds 10 to 
  15 kt with gusts up to 20 kt. For the second Small Craft 
  Advisory, south winds 10 to 20 kt with gusts up to 25 kt 
  expected.

* WHERE...Chesapeake Bay from North Beach MD to Smith Point VA, 
  and Tangier Sound and the inland waters surrounding 
  Bloodsworth Island.

* WHEN...For the first Small Craft Advisory, until 6 AM EST 
  early this morning. For the second Small Craft Advisory, from 
  6 PM this evening to 6 AM EST Sunday.

* 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: 2025-12-20 02:57:42

122 
WHUS71 KLWX 200857
MWWLWX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
357 AM EST Sat Dec 20 2025

ANZ530>532-537-539>541-201700-
/O.EXP.KLWX.SC.Y.0183.000000T0000Z-251220T0900Z/
/O.NEW.KLWX.SC.Y.0184.251220T2300Z-251221T1100Z/
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-
Tidal Potomac from Cobb Island MD to Smith Point VA-
Chester River to Queenstown MD-Eastern Bay-
Choptank River to Cambridge MD and the Little Choptank River-
357 AM EST Sat Dec 20 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 6 AM
EST SUNDAY...
...SMALL CRAFT ADVISORY WILL EXPIRE AT 4 AM EST EARLY THIS
MORNING...

* WHAT...South winds 10 to 20 kt with gusts up to 25 kt expected.

* WHERE...Chesapeake Bay north of North Beach MD, Tidal Potomac 
  from Cobb Island MD to Smith Point VA, Chester River to 
  Queenstown MD, Eastern Bay, and Choptank River to Cambridge MD 
  and the Little Choptank River.

* WHEN...From 6 PM this evening to 6 AM EST Sunday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

ANZ538-201000-
/O.EXP.KLWX.SC.Y.0183.000000T0000Z-251220T0900Z/
Patapsco River including Baltimore Harbor-
357 AM EST Sat Dec 20 2025

...SMALL CRAFT ADVISORY WILL EXPIRE AT 4 AM EST EARLY THIS
MORNING...

Winds have diminished for the Patapsco River including Baltimore
Harbor.

$$

ANZ533-534-543-201700-
/O.EXT.KLWX.SC.Y.0183.000000T0000Z-251220T1100Z/
/O.NEW.KLWX.SC.Y.0184.251220T2300Z-251221T1100Z/
Chesapeake Bay from North Beach to Drum Point MD-
Chesapeake Bay from Drum Point MD to Smith Point VA-
Tangier Sound and the inland waters surrounding Bloodsworth
Island-
357 AM EST Sat Dec 20 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 6 AM EST EARLY THIS
MORNING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 6 AM
EST SUNDAY...

* WHAT...For the first Small Craft Advisory, north winds 10 to 
  15 kt with gusts up to 20 kt. For the second Small Craft 
  Advisory, south winds 10 to 20 kt with gusts up to 25 kt 
  expected.

* WHERE...Chesapeake Bay from North Beach MD to Smith Point VA, 
  and Tangier Sound and the inland waters surrounding 
  Bloodsworth Island.

* WHEN...For the first Small Craft Advisory, until 6 AM EST 
  early this morning. For the second Small Craft Advisory, from 
  6 PM this evening to 6 AM EST Sunday.

* 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: 2025-12-20 05:02:06

949 
WHUS71 KLWX 201101
MWWLWX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
601 AM EST Sat Dec 20 2025

ANZ533-534-543-201915-
/O.EXP.KLWX.SC.Y.0183.000000T0000Z-251220T1100Z/
/O.CON.KLWX.SC.Y.0184.251220T2300Z-251221T1100Z/
Chesapeake Bay from North Beach to Drum Point MD-
Chesapeake Bay from Drum Point MD to Smith Point VA-
Tangier Sound and the inland waters surrounding Bloodsworth
Island-
601 AM EST Sat Dec 20 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 6 AM EST SUNDAY...
...SMALL CRAFT ADVISORY FOR THIS MORNING HAS EXPIRED...

* WHAT...South winds 10 to 20 kt with gusts up to 25 kt expected.

* WHERE...Chesapeake Bay from North Beach MD to Smith Point VA, 
  and Tangier Sound and the inland waters surrounding 
  Bloodsworth Island.

* WHEN...From 6 PM this evening to 6 AM EST Sunday.

* 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>532-537-539>541-201915-
/O.CON.KLWX.SC.Y.0184.251220T2300Z-251221T1100Z/
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-
Tidal Potomac from Cobb Island MD to Smith Point VA-
Chester River to Queenstown MD-Eastern Bay-
Choptank River to Cambridge MD and the Little Choptank River-
601 AM EST Sat Dec 20 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 6 AM EST SUNDAY...

* WHAT...South winds 10 to 20 kt with gusts up to 25 kt expected.

* WHERE...Chesapeake Bay north of North Beach MD, Tidal Potomac 
  from Cobb Island MD to Smith Point VA, Chester River to 
  Queenstown MD, Eastern Bay, and Choptank River to Cambridge MD 
  and the Little Choptank River.

* WHEN...From 6 PM this evening to 6 AM EST Sunday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$



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