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2018 [KLWX] BALTIMORE_MD/_WASHINGTON_DC Marine (MA) Warning (W) Number 19

Listing of Counties/Parishes/Zones Included in Product

RADAR Composite at Issuance Time

Storm Based Warning History

563 
WHUS51 KLWX 191448
SMWLWX
ANZ536-191645-
/O.NEW.KLWX.MA.W.0019.180419T1448Z-180419T1645Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Special Marine Warning
National Weather Service Baltimore MD/Washington DC
1048 AM EDT THU APR 19 2018

The National Weather Service in Sterling Virginia has issued a

* Special Marine Warning for...
  Tidal Potomac from Indian Head to Cobb Island MD...

* Until 1245 PM EDT

* At 1047 AM EDT, a cold front was located along a line extending 
  from 24 nm northwest of Key Bridge to 32 nm northwest of 
  Leesylvania State Park to 45 nm west of Quantico, moving southeast 
  at 25 knots.

  HAZARD...Wind gusts 34 knots or greater. 

  SOURCE...Radar indicated. 

  IMPACT...Boaters in small craft could be thrown overboard by 
           suddenly higher winds and waves capsizing their vessel. 

* Locations impacted include...
  Potomac Creek...
  Maryland Point...
  Nanjemoy Creek...
  Port Tobacco River...
  Colonial Beach...
  Leesylvania State Park...
  Quantico...
  Cobb Island...
  Swan Point...
  Mathias Point...
  U.S. 301 Nice Memorial Bridge...
  Indian Head...
  Occoquan Bay...
  Popes Creek...
  Brent Point...
  Westmoreland State Park...
  and Fairview Beach.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to safe harbor immediately as gusty winds and high waves are
expected.

&&

LAT...LON 3850 7733 3865 7725 3865 7722 3866 7724
      3866 7719 3864 7722 3862 7718 3865 7713
      3863 7711 3851 7725 3839 7723 3846 7700
      3835 7696 3827 7684 3817 7685 3817 7686
      3821 7695 3838 7706 3833 7717 3833 7730
TIME...MOT...LOC 1447Z 305DEG 27KT 3910 7754 3892 7781 3877 7821 

HAIL...0.00in
WIND...>34kts

$$

DHOF
660 
FZUS71 KLWX 191508
MWSLWX

Marine Weather Statement
National Weather Service Baltimore MD/Washington DC
1108 AM EDT THU APR 19 2018

ANZ536-191645-
/O.CON.KLWX.MA.W.0019.000000T0000Z-180419T1645Z/
1108 AM EDT THU APR 19 2018

...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 1245 PM EDT...

For the following areas...
Tidal Potomac from Indian Head to Cobb Island MD...

At 1107 AM EDT, a gust front was located from near Dulles Airport to 
near Sperryville, moving southeast at 25 knots. Several wind gusts 
of 35 to 40 knots have been measured with this line.

HAZARD...Wind gusts 34 knots or greater. 

SOURCE...Radar indicated. 

IMPACT...Boaters in small craft could be thrown overboard by 
         suddenly higher winds and waves capsizing their vessel. 

Locations impacted include...
Potomac Creek...
Maryland Point...
Nanjemoy Creek...
Port Tobacco River...
Colonial Beach...
Leesylvania State Park...
Quantico...
Cobb Island...
Swan Point...
Mathias Point...
U.S. 301 Nice Memorial Bridge...
Indian Head...
Occoquan Bay...
Popes Creek...
Brent Point...
Westmoreland State Park...
and Fairview Beach.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to safe harbor immediately as gusty winds and high waves are
expected.

&&

LAT...LON 3850 7733 3865 7725 3865 7722 3866 7724
      3866 7719 3864 7722 3862 7718 3865 7713
      3863 7711 3851 7725 3839 7723 3846 7700
      3835 7696 3827 7684 3817 7685 3817 7686
      3821 7695 3838 7706 3833 7717 3833 7730
TIME...MOT...LOC 1507Z 305DEG 27KT 3905 7745 3887 7772 3871 7812 

HAIL...0.00in
WIND...>34kts

$$

DHOF
823 
FZUS71 KLWX 191537
MWSLWX

Marine Weather Statement
National Weather Service Baltimore MD/Washington DC
1137 AM EDT THU APR 19 2018

ANZ536-191645-
/O.CON.KLWX.MA.W.0019.000000T0000Z-180419T1645Z/
1137 AM EDT THU APR 19 2018

...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 1245 PM EDT...

For the following areas...
Tidal Potomac from Indian Head to Cobb Island MD...

At 1136 AM EDT, a gust front was moving into the middle tidal 
Potomac River, moving southeast at 25 knots. Numerous wind gusts of 
35 to 45 knots have been observed with this line.

HAZARD...Wind gusts 34 knots or greater. 

SOURCE...Radar indicated. 

IMPACT...Boaters in small craft could be thrown overboard by 
         suddenly higher winds and waves capsizing their vessel. 

Locations impacted include...
Potomac Creek...
Maryland Point...
Nanjemoy Creek...
Port Tobacco River...
Colonial Beach...
Leesylvania State Park...
Quantico...
Cobb Island...
Swan Point...
Mathias Point...
U.S. 301 Nice Memorial Bridge...
Indian Head...
Occoquan Bay...
Popes Creek...
Brent Point...
Westmoreland State Park...
and Fairview Beach.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This is a particularly dangerous situation. Sudden onset of gale 
force winds can cause even experienced mariners to capsize. 
Capsizing in cold water is especially dangerous and can quickly 
result in hypothermia. If you haven't already done so, move to safe 
harbor now!

&&

LAT...LON 3850 7733 3865 7725 3865 7722 3866 7724
      3866 7719 3864 7722 3862 7718 3865 7713
      3863 7711 3851 7725 3839 7723 3846 7700
      3835 7696 3827 7684 3817 7685 3817 7686
      3821 7695 3838 7706 3833 7717 3833 7730
TIME...MOT...LOC 1536Z 305DEG 27KT 3893 7724 3875 7751 3859 7792 

HAIL...0.00in
WIND...>34kts

$$

DHOF
252 
FZUS71 KLWX 191636 RRA
MWSLWX

Marine Weather Statement
National Weather Service Baltimore MD/Washington DC
1236 PM EDT THU APR 19 2018

ANZ536-191646-
/O.EXP.KLWX.MA.W.0019.000000T0000Z-180419T1645Z/
1236 PM EDT THU APR 19 2018

...THE SPECIAL MARINE WARNING WILL EXPIRE AT 1245 PM EDT...

The affected areas were... 
Tidal Potomac from Indian Head to Cobb Island MD...

The gust front is moving out of the area. A Gale Warning remains in 
effect through 8 PM for wind gusts of 34 knots or greater.

LAT...LON 3850 7733 3865 7725 3865 7722 3866 7724
      3866 7719 3864 7722 3862 7718 3865 7713
      3863 7711 3851 7725 3839 7723 3846 7700
      3835 7696 3827 7684 3817 7685 3817 7686
      3821 7695 3838 7706 3833 7717 3833 7730
TIME...MOT...LOC 1636Z 305DEG 27KT 3868 7679 3850 7706 3834 7747 

$$

DHOF
Permalink to 201804191448-KLWX-WHUS51-SMWLWX
563 
WHUS51 KLWX 191448
SMWLWX
ANZ536-191645-
/O.NEW.KLWX.MA.W.0019.180419T1448Z-180419T1645Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Special Marine Warning
National Weather Service Baltimore MD/Washington DC
1048 AM EDT THU APR 19 2018

The National Weather Service in Sterling Virginia has issued a

* Special Marine Warning for...
  Tidal Potomac from Indian Head to Cobb Island MD...

* Until 1245 PM EDT

* At 1047 AM EDT, a cold front was located along a line extending 
  from 24 nm northwest of Key Bridge to 32 nm northwest of 
  Leesylvania State Park to 45 nm west of Quantico, moving southeast 
  at 25 knots.

  HAZARD...Wind gusts 34 knots or greater. 

  SOURCE...Radar indicated. 

  IMPACT...Boaters in small craft could be thrown overboard by 
           suddenly higher winds and waves capsizing their vessel. 

* Locations impacted include...
  Potomac Creek...
  Maryland Point...
  Nanjemoy Creek...
  Port Tobacco River...
  Colonial Beach...
  Leesylvania State Park...
  Quantico...
  Cobb Island...
  Swan Point...
  Mathias Point...
  U.S. 301 Nice Memorial Bridge...
  Indian Head...
  Occoquan Bay...
  Popes Creek...
  Brent Point...
  Westmoreland State Park...
  and Fairview Beach.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to safe harbor immediately as gusty winds and high waves are
expected.

&&

LAT...LON 3850 7733 3865 7725 3865 7722 3866 7724
      3866 7719 3864 7722 3862 7718 3865 7713
      3863 7711 3851 7725 3839 7723 3846 7700
      3835 7696 3827 7684 3817 7685 3817 7686
      3821 7695 3838 7706 3833 7717 3833 7730
TIME...MOT...LOC 1447Z 305DEG 27KT 3910 7754 3892 7781 3877 7821 

HAIL...0.00in
WIND...>34kts

$$

DHOF
Permalink to 201804191508-KLWX-FZUS71-MWSLWX
660 
FZUS71 KLWX 191508
MWSLWX

Marine Weather Statement
National Weather Service Baltimore MD/Washington DC
1108 AM EDT THU APR 19 2018

ANZ536-191645-
/O.CON.KLWX.MA.W.0019.000000T0000Z-180419T1645Z/
1108 AM EDT THU APR 19 2018

...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 1245 PM EDT...

For the following areas...
Tidal Potomac from Indian Head to Cobb Island MD...

At 1107 AM EDT, a gust front was located from near Dulles Airport to 
near Sperryville, moving southeast at 25 knots. Several wind gusts 
of 35 to 40 knots have been measured with this line.

HAZARD...Wind gusts 34 knots or greater. 

SOURCE...Radar indicated. 

IMPACT...Boaters in small craft could be thrown overboard by 
         suddenly higher winds and waves capsizing their vessel. 

Locations impacted include...
Potomac Creek...
Maryland Point...
Nanjemoy Creek...
Port Tobacco River...
Colonial Beach...
Leesylvania State Park...
Quantico...
Cobb Island...
Swan Point...
Mathias Point...
U.S. 301 Nice Memorial Bridge...
Indian Head...
Occoquan Bay...
Popes Creek...
Brent Point...
Westmoreland State Park...
and Fairview Beach.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to safe harbor immediately as gusty winds and high waves are
expected.

&&

LAT...LON 3850 7733 3865 7725 3865 7722 3866 7724
      3866 7719 3864 7722 3862 7718 3865 7713
      3863 7711 3851 7725 3839 7723 3846 7700
      3835 7696 3827 7684 3817 7685 3817 7686
      3821 7695 3838 7706 3833 7717 3833 7730
TIME...MOT...LOC 1507Z 305DEG 27KT 3905 7745 3887 7772 3871 7812 

HAIL...0.00in
WIND...>34kts

$$

DHOF
Permalink to 201804191537-KLWX-FZUS71-MWSLWX
823 
FZUS71 KLWX 191537
MWSLWX

Marine Weather Statement
National Weather Service Baltimore MD/Washington DC
1137 AM EDT THU APR 19 2018

ANZ536-191645-
/O.CON.KLWX.MA.W.0019.000000T0000Z-180419T1645Z/
1137 AM EDT THU APR 19 2018

...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 1245 PM EDT...

For the following areas...
Tidal Potomac from Indian Head to Cobb Island MD...

At 1136 AM EDT, a gust front was moving into the middle tidal 
Potomac River, moving southeast at 25 knots. Numerous wind gusts of 
35 to 45 knots have been observed with this line.

HAZARD...Wind gusts 34 knots or greater. 

SOURCE...Radar indicated. 

IMPACT...Boaters in small craft could be thrown overboard by 
         suddenly higher winds and waves capsizing their vessel. 

Locations impacted include...
Potomac Creek...
Maryland Point...
Nanjemoy Creek...
Port Tobacco River...
Colonial Beach...
Leesylvania State Park...
Quantico...
Cobb Island...
Swan Point...
Mathias Point...
U.S. 301 Nice Memorial Bridge...
Indian Head...
Occoquan Bay...
Popes Creek...
Brent Point...
Westmoreland State Park...
and Fairview Beach.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This is a particularly dangerous situation. Sudden onset of gale 
force winds can cause even experienced mariners to capsize. 
Capsizing in cold water is especially dangerous and can quickly 
result in hypothermia. If you haven't already done so, move to safe 
harbor now!

&&

LAT...LON 3850 7733 3865 7725 3865 7722 3866 7724
      3866 7719 3864 7722 3862 7718 3865 7713
      3863 7711 3851 7725 3839 7723 3846 7700
      3835 7696 3827 7684 3817 7685 3817 7686
      3821 7695 3838 7706 3833 7717 3833 7730
TIME...MOT...LOC 1536Z 305DEG 27KT 3893 7724 3875 7751 3859 7792 

HAIL...0.00in
WIND...>34kts

$$

DHOF
Permalink to 201804191636-KLWX-FZUS71-MWSLWX-RRA
252 
FZUS71 KLWX 191636 RRA
MWSLWX

Marine Weather Statement
National Weather Service Baltimore MD/Washington DC
1236 PM EDT THU APR 19 2018

ANZ536-191646-
/O.EXP.KLWX.MA.W.0019.000000T0000Z-180419T1645Z/
1236 PM EDT THU APR 19 2018

...THE SPECIAL MARINE WARNING WILL EXPIRE AT 1245 PM EDT...

The affected areas were... 
Tidal Potomac from Indian Head to Cobb Island MD...

The gust front is moving out of the area. A Gale Warning remains in 
effect through 8 PM for wind gusts of 34 knots or greater.

LAT...LON 3850 7733 3865 7725 3865 7722 3866 7724
      3866 7719 3864 7722 3862 7718 3865 7713
      3863 7711 3851 7725 3839 7723 3846 7700
      3835 7696 3827 7684 3817 7685 3817 7686
      3821 7695 3838 7706 3833 7717 3833 7730
TIME...MOT...LOC 1636Z 305DEG 27KT 3868 7679 3850 7706 3834 7747 

$$

DHOF

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