National Weather Service United States Department of Commerce

Storm in South and Central U.S. to Move into the East on Saturday

A weather system extending from the Central Rockies and Plains to the southern U.S. will shift into the eastern states on Saturday. Rain, locally heavy, may produce flash flooding in the Deep and Mid South today, and the Southern Appalachians on Saturday. On the north side of this storm, a wintry mix can be expected; and isolated severe storms may develop in the Lower Mississippi Valley. Read More >

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NWS Mt Holly Weather Briefing Page

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Perth Amboy, NJ (PABN4)

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Sandy Hook, NJ (SDHN4)

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Manasquan, NJ (MSNN4)

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Barnegat Light, NJ (BGLN4)

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Atlantic City, NJ (ACYN4)

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Ocean City, NJ (ONCN4)

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Cape May, NJ (PABN4)

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Bivalve, NJ (BVVN4)

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Burlington, NJ (BDRN4)

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Philadelphia, PA (PHBP1)

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Reedy Point, DE (RDYD1)

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Bowers Beach, DE (BOWD1)

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Lewes, DE (LWSD1)

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Chesapeake City, MD (CHCM2)

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Tolchester Beach, MD (TCBM2)

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Claiborne, MD (CLNM2)

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Coastal Hazard Message NWS PHI

WHUS41 KPHI 190802
CFWPHI

Coastal Hazard Message
National Weather Service Mount Holly NJ
302 AM EST Tue Nov 19 2019

DEZ003-004-191500-
/O.EXB.KPHI.CF.S.0014.000000T0000Z-191119T1500Z/
Inland Sussex-Delaware Beaches-
302 AM EST Tue Nov 19 2019

...MINOR COASTAL FLOODING EXPECTED FOR LITTLE ASSAWOMAN BAY...

* LOCATIONS...Coastal locations in Sussex DE including Little 
  Assawoman Bay.

* TIMING...Until 10 AM EST this morning.

* COASTAL FLOOD IMPACTS...Up to a half foot of inundation above
  ground level is possible in low-lying areas near shorelines and
  tidal waterways. Minor flooding is expected with some road 
  closures possible.


&&

$$

NJZ020-191500-
/O.EXT.KPHI.CF.S.0014.000000T0000Z-191119T1500Z/
Ocean-
302 AM EST Tue Nov 19 2019

...MINOR COASTAL FLOODING EXPECTED FOR BARNEGAT BAY...

* LOCATIONS...Barnegat Bay.

* TIMING...Until 10 AM EST this morning.

* COASTAL FLOOD IMPACTS...Up to a half foot of inundation above
  ground level is possible in low-lying areas near shorelines and
  tidal waterways. Minor flooding is expected with some road 
  closures possible.

$$

Coastal Hazard Message NWS OKX

WHUS41 KOKX 190949
CFWOKX

Coastal Hazard Message
National Weather Service New York NY
449 AM EST Tue Nov 19 2019

...LOCALIZED MINOR COASTAL FLOODING THIS AFTERNOON...

NYZ178-179-191900-
/O.NEW.KOKX.CF.S.0056.191119T1700Z-191119T1900Z/
Southern Queens-Southern Nassau-
449 AM EST Tue Nov 19 2019

* LOCATIONS...Southern Nassau and Southern Queens.

* TIMING...From noon today to 2 PM EST this afternoon.

* COASTAL FLOOD IMPACTS...Brief minor flooding of the most 
  vulnerable locations near the waterfront and shoreline, with 
  less than a foot of inundation above ground level is possible.

Time of high total tides are approximate to the nearest hour.

JAMAICA BAY AT INWOOD NY
MLLW CATEGORIES - MINOR 7.5 FT, MODERATE 8.2 FT, MAJOR 9.0 FT
MHHW CATEGORIES - MINOR 1.6 FT, MODERATE 2.3 FT, MAJOR 3.1 FT

             TOTAL      TOTAL    DEPARTURE                   
 DAY/TIME    TIDE       TIDE     FROM NORM   WAVES    FLOOD  
            FT MLLW    FT MHHW       FT       FT      IMPACT 
 --------  ---------  ---------  ---------  -------  --------
 19/01 PM   7.2/ 7.7   1.3/ 1.8   1.4/ 1.9    0-1    NONE-MINOR    
 

EAST ROCKAWAY INLET AT ATLANTIC BEACH NY
MLLW CATEGORIES - MINOR 6.0 FT, MODERATE 7.0 FT, MAJOR 8.0 FT
MHHW CATEGORIES - MINOR 1.0 FT, MODERATE 2.0 FT, MAJOR 3.0 FT

             TOTAL      TOTAL    DEPARTURE                   
 DAY/TIME    TIDE       TIDE     FROM NORM   WAVES    FLOOD  
            FT MLLW    FT MHHW       FT       FT      IMPACT 
 --------  ---------  ---------  ---------  -------  --------
 19/01 PM   5.7/ 6.2   0.8/ 1.3   1.2/ 1.7     0     NONE-MINOR    


JAMAICA BAY AT ROCKAWAY INLET NY
MLLW CATEGORIES - MINOR 7.3 FT, MODERATE 8.3 FT, MAJOR 9.3 FT
MHHW CATEGORIES - MINOR 1.7 FT, MODERATE 2.7 FT, MAJOR 3.7 FT

             TOTAL      TOTAL    DEPARTURE                   
 DAY/TIME    TIDE       TIDE     FROM NORM   WAVES    FLOOD  
            FT MLLW    FT MHHW       FT       FT      IMPACT 
 --------  ---------  ---------  ---------  -------  --------
 19/01 PM   6.6/ 7.1   1.0/ 1.5   1.2/ 1.7     3       NONE    
 

HUDSON BAY AT FREEPORT NY
MLLW CATEGORIES - MINOR 5.7 FT, MODERATE 6.2 FT, MAJOR 6.9 FT
MHHW CATEGORIES - MINOR 1.2 FT, MODERATE 1.7 FT, MAJOR 2.4 FT

             TOTAL      TOTAL    DEPARTURE                   
 DAY/TIME    TIDE       TIDE     FROM NORM   WAVES    FLOOD  
            FT MLLW    FT MHHW       FT       FT      IMPACT 
 --------  ---------  ---------  ---------  -------  --------
 19/01 PM   5.5/ 6.0   1.0/ 1.5   2.2/ 2.7    0-1     MINOR    


REYNOLDS CHANNEL AT POINT LOOKOUT NY
MLLW CATEGORIES - MINOR 5.8 FT, MODERATE 6.8 FT, MAJOR 7.8 FT
MHHW CATEGORIES - MINOR 1.1 FT, MODERATE 2.1 FT, MAJOR 3.1 FT

             TOTAL      TOTAL    DEPARTURE                   
 DAY/TIME    TIDE       TIDE     FROM NORM   WAVES    FLOOD  
            FT MLLW    FT MHHW       FT       FT      IMPACT 
 --------  ---------  ---------  ---------  -------  --------
 19/12 PM   5.6/ 6.1   0.9/ 1.4   1.8/ 2.2     4      MINOR    

&&

$$

Coastal Hazard Message NWS LWX

WHUS41 KLWX 200827
CFWLWX

Coastal Hazard Message
National Weather Service Baltimore MD/Washington DC
327 AM EST Wed Nov 20 2019


MDZ014-200930-
/O.CAN.KLWX.CF.Y.0118.000000T0000Z-191120T1000Z/
Anne Arundel-
327 AM EST Wed Nov 20 2019

...COASTAL FLOOD ADVISORY IS CANCELLED...

The National Weather Service in Baltimore MD/Washington has
cancelled the Coastal Flood Advisory.

Water levels have receded.

&&

Time of high total tides are approximate to the nearest hour.

Severn River at Annapolis
MLLW Categories - Minor 2.6 ft, Moderate 3.3 ft, Major 6.0 ft
MHHW Categories - Minor 1.2 ft, Moderate 1.9 ft, Major 4.6 ft

             Total      Total    Departure                   
 Day/Time    Tide       Tide     from Norm   Waves    Flood  
            ft MLLW    ft MHHW       ft       ft      Impact 
 --------  ---------  ---------  ---------  -------  --------
 20/12 AM     2.9        1.5        1.7        0      Minor    
 20/10 AM     2.4        1.0        1.6       0-1      None    
 20/11 PM     2.2        0.8        1.1        0       None    
 21/01 PM     1.9        0.5        1.0        0       None    
 22/12 AM     2.4        1.0        1.3       0-1      None    
 22/12 PM     2.3        0.9        1.4        0       None

&&

$$

DCZ001-VAZ054-200930-
/O.EXP.KLWX.CF.Y.0117.000000T0000Z-191120T0800Z/
District of Columbia-Arlington/Falls Church/Alexandria-
327 AM EST Wed Nov 20 2019

...COASTAL FLOOD ADVISORY HAS EXPIRED...

Water levels have receded.

$$

MDZ011-200930-
/O.EXP.KLWX.CF.Y.0120.000000T0000Z-191120T0800Z/
Southern Baltimore-
327 AM EST Wed Nov 20 2019

...COASTAL FLOOD ADVISORY HAS EXPIRED...

Water levels have receded.

&&

Time of high total tides are approximate to the nearest hour.

Chesapeake Bay at Bowleys Quarters
MLLW Categories - Minor 3.0 ft, Moderate 3.8 ft, Major 5.0 ft
MHHW Categories - Minor 1.3 ft, Moderate 2.1 ft, Major 3.3 ft

             Total      Total    Departure                   
 Day/Time    Tide       Tide     from Norm   Waves    Flood  
            ft MLLW    ft MHHW       ft       ft      Impact 
 --------  ---------  ---------  ---------  -------  --------
 20/12 AM     3.1        1.4        1.6        0      Minor    
 20/01 PM     2.4        0.7        1.4        1       None    
 21/01 AM     2.3        0.6        0.9       0-1      None    
 21/03 PM     2.1        0.4        0.9        0       None    
 22/02 AM     2.5        0.8        1.2       0-1      None    
 22/04 PM     2.6        0.9        1.2        1       None

NW Branch Patapsco River at Baltimore MD
MLLW Categories - Minor 3.0 ft, Moderate 5.0 ft, Major 6.0 ft
MHHW Categories - Minor 1.3 ft, Moderate 3.3 ft, Major 4.3 ft

             Total      Total    Departure                   
 Day/Time    Tide       Tide     from Norm   Waves    Flood  
            ft MLLW    ft MHHW       ft       ft      Impact 
 --------  ---------  ---------  ---------  -------  --------
 20/12 AM     3.1        1.4        1.6        0      Minor    
 20/12 PM     2.4        0.7        1.4       0-1      None    
 21/01 AM     2.4        0.7        0.9        0       None    
 21/02 PM     2.1        0.4        0.9        0       None    
 22/02 AM     2.6        0.9        1.2        0       None    
 22/03 PM     2.5        0.8        1.2        1       None

&&

$$

Coastal Hazard Message NWS AKQ

WHUS41 KAKQ 200247
CFWAKQ

Coastal Hazard Message
National Weather Service Wakefield VA
947 PM EST Tue Nov 19 2019


MDZ021-200500-
/O.CON.KAKQ.CF.Y.0035.000000T0000Z-191120T0500Z/
Dorchester-
947 PM EST Tue Nov 19 2019

...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EST
TONIGHT...

* LOCATION...Bayside of Dorchester County Maryland, including 
  tidal rivers and tributaries.

* TIMING...Until midnight EST tonight.

* COASTAL FLOOD IMPACTS...Up to one half foot of inundation 
  above ground level is possible in low-lying areas near 
  shorelines and tidal waterways. Shallow flooding is expected 
  in the most vulnerable locations near the waterfront and 
  shoreline resulting in a low threat of property damage. Expect 
  up to one foot of water above ground level in low lying, 
  vulnerable areas. Some roads and low lying property including 
  parking lots, parks and lawns near the waterfront will 
  experience shallow flooding.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Coastal Flood Advisory means that onshore winds...wave action
and/or tides will combine to create flooding of low areas along
the shore...and near tidal rivers and creeks. Be prepared for the
possibility of road closures and minor flooding of properties. If
travel is necessary...do not attempt to drive through water of
unknown depth.

&&

&&

Time of high total tides are approximate to the nearest hour.

CAMBRIDGE MD
MLLW CATEGORIES - MINOR 3.5 FT, MODERATE 4.0 FT, MAJOR 4.5 FT
MHHW CATEGORIES - MINOR 1.5 FT, MODERATE 2.0 FT, MAJOR 2.5 FT

             TOTAL      TOTAL    DEPARTURE                   
 DAY/TIME    TIDE       TIDE     FROM NORM   WAVES    FLOOD  
            FT MLLW    FT MHHW       FT       FT      IMPACT 
 --------  ---------  ---------  ---------  -------  --------
 19/10 PM     3.8        1.8        1.9        1      MINOR    
 20/10 AM     3.0        1.0        1.4       1-2      NONE    
 20/10 PM     2.5        0.5        0.7       1-2      NONE    
 21/11 AM     2.2        0.2        0.5        1       NONE    
 22/12 AM     2.3        0.3        0.5        1       NONE    
 22/12 PM     2.6        0.6        0.8        1       NONE

BISHOPS HEAD MD
MLLW CATEGORIES - MINOR 3.2 FT, MODERATE 3.7 FT, MAJOR 4.2 FT
MHHW CATEGORIES - MINOR 1.1 FT, MODERATE 1.6 FT, MAJOR 2.1 FT

             TOTAL      TOTAL    DEPARTURE                   
 DAY/TIME    TIDE       TIDE     FROM NORM   WAVES    FLOOD  
            FT MLLW    FT MHHW       FT       FT      IMPACT 
 --------  ---------  ---------  ---------  -------  --------
 19/06 PM     3.9        1.8        2.0        1     MODERATE  
 20/07 AM     3.2        1.1        1.4        2       NONE    
 20/08 PM     2.7        0.6        0.8        2       NONE    
 21/08 AM     2.6        0.5        0.7        1       NONE    
 21/09 PM     2.6        0.5        0.7        1       NONE    
 22/09 AM     3.0        0.9        1.0        1       NONE

&&

$$

VAZ075-077-078-200400-
/O.CON.KAKQ.CF.Y.0035.000000T0000Z-191120T0400Z/
Westmoreland-Northumberland-Lancaster-
947 PM EST Tue Nov 19 2019

...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 11 PM EST THIS
EVENING...

* LOCATION...The Virginia Northern Neck.

* TIMING...Until 11 PM EST this evening.

* COASTAL FLOOD IMPACTS...Up to one half foot of inundation 
  above ground level is possible in low-lying areas near 
  shorelines and tidal waterways.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Coastal Flood Advisory means that onshore winds...wave action
and/or tides will combine to create flooding of low areas along
the shore...and near tidal rivers and creeks. Be prepared for the
possibility of road closures and minor flooding of properties. If
travel is necessary...do not attempt to drive through water of
unknown depth.

&&

&&

Time of high total tides are approximate to the nearest hour.

LEWISETTA VA
MLLW CATEGORIES - MINOR 3.0 FT, MODERATE 3.5 FT, MAJOR 4.0 FT
MHHW CATEGORIES - MINOR 1.5 FT, MODERATE 2.0 FT, MAJOR 2.5 FT

             TOTAL      TOTAL    DEPARTURE                   
 DAY/TIME    TIDE       TIDE     FROM NORM   WAVES    FLOOD  
            FT MLLW    FT MHHW       FT       FT      IMPACT 
 --------  ---------  ---------  ---------  -------  --------
 19/06 PM     3.4        1.9        2.1        1      MINOR    
 20/07 AM     2.8        1.3        1.5        2       NONE    
 20/08 PM     2.3        0.8        1.0        2       NONE    
 21/08 AM     2.1        0.6        0.8        1       NONE    
 21/09 PM     2.0        0.5        0.7        1       NONE    
 22/09 AM     2.3        0.8        0.9        1       NONE

DAHLGREN/COLONIAL BEACH VA
MLLW CATEGORIES - MINOR 3.5 FT, MODERATE 4.0 FT, MAJOR 4.5 FT
MHHW CATEGORIES - MINOR 1.6 FT, MODERATE 2.1 FT, MAJOR 2.6 FT

             TOTAL      TOTAL    DEPARTURE                   
 DAY/TIME    TIDE       TIDE     FROM NORM   WAVES    FLOOD  
            FT MLLW    FT MHHW       FT       FT      IMPACT 
 --------  ---------  ---------  ---------  -------  --------
 19/09 PM     3.8        1.9        2.1        1      MINOR    
 20/09 AM     3.1        1.2        1.5        1       NONE    
 20/09 PM     2.6        0.7        1.0        1       NONE    
 21/10 AM     2.4        0.5        0.8        1       NONE    
 21/10 PM     2.4        0.5        0.8        1       NONE    
 22/11 AM     2.6        0.7        0.9        1       NONE

WINDMILL POINT VA
MLLW CATEGORIES - MINOR 3.0 FT, MODERATE 3.5 FT, MAJOR 4.0 FT
MHHW CATEGORIES - MINOR 1.6 FT, MODERATE 2.1 FT, MAJOR 2.6 FT

             TOTAL      TOTAL    DEPARTURE                   
 DAY/TIME    TIDE       TIDE     FROM NORM   WAVES    FLOOD  
            FT MLLW    FT MHHW       FT       FT      IMPACT 
 --------  ---------  ---------  ---------  -------  --------
 19/04 PM     3.2        1.8        1.8        1      MINOR    
 20/04 AM     2.5        1.1        1.3       1-2      NONE    
 20/04 PM     2.3        0.9        1.0        2       NONE    
 21/05 AM     2.1        0.7        0.8        2       NONE    
 21/06 PM     2.0        0.6        0.7        1       NONE    
 22/06 AM     2.0        0.6        0.6        1       NONE

&&

$$

MDZ022-023-200500-
/O.CON.KAKQ.CF.Y.0035.000000T0000Z-191120T0500Z/
Wicomico-Somerset-
947 PM EST Tue Nov 19 2019

...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EST
TONIGHT...

* LOCATION...Bayside of Wicomico and Somerset Counties.

* TIMING...Until midnight EST tonight.

* COASTAL FLOOD IMPACTS...Up to one half foot of inundation 
  above ground level is possible in low-lying areas near 
  shorelines and tidal waterways. Shallow flooding is expected 
  in the most vulnerable locations near the waterfront and 
  shoreline resulting in a low threat of property damage. Expect 
  up to one foot of water above ground level in low lying, 
  vulnerable areas. Some roads and low lying property including 
  parking lots, parks and lawns near the waterfront will 
  experience shallow flooding.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Coastal Flood Advisory means that onshore winds...wave action
and/or tides will combine to create flooding of low areas along
the shore...and near tidal rivers and creeks. Be prepared for the
possibility of road closures and minor flooding of properties. If
travel is necessary...do not attempt to drive through water of
unknown depth.

&&

&&

Time of high total tides are approximate to the nearest hour.

BISHOPS HEAD MD
MLLW CATEGORIES - MINOR 3.2 FT, MODERATE 3.7 FT, MAJOR 4.2 FT
MHHW CATEGORIES - MINOR 1.1 FT, MODERATE 1.6 FT, MAJOR 2.1 FT

             TOTAL      TOTAL    DEPARTURE                   
 DAY/TIME    TIDE       TIDE     FROM NORM   WAVES    FLOOD  
            FT MLLW    FT MHHW       FT       FT      IMPACT 
 --------  ---------  ---------  ---------  -------  --------
 19/06 PM     3.9        1.8        2.0        1     MODERATE  
 20/07 AM     3.2        1.1        1.4        2       NONE    
 20/08 PM     2.7        0.6        0.8        2       NONE    
 21/08 AM     2.6        0.5        0.7        1       NONE    
 21/09 PM     2.6        0.5        0.7        1       NONE    
 22/09 AM     3.0        0.9        1.0        1       NONE

CRISFIELD MD
MLLW CATEGORIES - MINOR 3.5 FT, MODERATE 4.0 FT, MAJOR 5.0 FT
MHHW CATEGORIES - MINOR 1.3 FT, MODERATE 1.8 FT, MAJOR 2.8 FT

             TOTAL      TOTAL    DEPARTURE                   
 DAY/TIME    TIDE       TIDE     FROM NORM   WAVES    FLOOD  
            FT MLLW    FT MHHW       FT       FT      IMPACT 
 --------  ---------  ---------  ---------  -------  --------
 19/06 PM     3.7        1.5        1.6        1      MINOR    
 20/07 AM     3.0        0.8        1.3        2       NONE    
 20/07 PM     2.9        0.7        0.8        2       NONE    
 21/08 AM     2.4        0.2        0.6        2       NONE    
 21/08 PM     2.6        0.4        0.6        1       NONE    
 22/08 AM     2.9        0.7        1.0        1       NONE

&&

$$

VAZ100-201100-
/O.NEW.KAKQ.CF.S.0066.191120T0700Z-191120T1100Z/
Northampton-
947 PM EST Tue Nov 19 2019

...NUISANCE TIDAL FLOODING POSSIBLE OVERNIGHT...

* LOCATION...Bayside of Northampton county.

* TIMING...From 2 AM to 6 AM EST Wednesday.

* COASTAL FLOOD IMPACTS...Shallow flooding is possible in the 
  most vulnerable locations near the waterfront and shoreline.


&&

Time of high total tides are approximate to the nearest hour.

OYSTER VA
MLLW CATEGORIES - MINOR 7.0 FT, MODERATE 7.5 FT, MAJOR 8.5 FT
MHHW CATEGORIES - MINOR 2.4 FT, MODERATE 2.9 FT, MAJOR 3.9 FT

             TOTAL      TOTAL    DEPARTURE                   
 DAY/TIME    TIDE       TIDE     FROM NORM   WAVES    FLOOD  
            FT MLLW    FT MHHW       FT       FT      IMPACT 
 --------  ---------  ---------  ---------  -------  --------
 19/03 PM     5.8        1.2        1.2        1       NONE    
 20/02 AM     5.2        0.6        1.1        1       NONE    
 20/03 PM     5.9        1.3        0.7        1       NONE    
 21/03 AM     5.3        0.7        0.9        1       NONE    
 21/04 PM     5.9        1.3        0.8        1       NONE    
 22/04 AM     5.4        0.8        0.6        1       NONE

NASSAWADOX CREEK AT BAYFORD VA
MLLW CATEGORIES - MINOR 3.0 FT, MODERATE 3.5 FT, MAJOR 4.5 FT
MHHW CATEGORIES - MINOR 1.0 FT, MODERATE 1.5 FT, MAJOR 2.5 FT

             TOTAL      TOTAL    DEPARTURE                   
 DAY/TIME    TIDE       TIDE     FROM NORM   WAVES    FLOOD  
            FT MLLW    FT MHHW       FT       FT      IMPACT 
 --------  ---------  ---------  ---------  -------  --------
 19/03 PM     3.4        1.4        1.6        1      MINOR    
 20/04 AM     3.1        1.1        1.5       1-2     MINOR    
 20/04 PM     2.8        0.8        1.1        3       NONE    
 21/05 AM     2.5        0.5        0.8        3       NONE    
 21/05 PM     2.4        0.4        0.7        1       NONE    
 22/06 AM     2.4        0.4        0.6        2       NONE

KIPTOPEKE VA
MLLW CATEGORIES - MINOR 4.5 FT, MODERATE 5.0 FT, MAJOR 5.5 FT
MHHW CATEGORIES - MINOR 1.5 FT, MODERATE 2.0 FT, MAJOR 2.5 FT

             TOTAL      TOTAL    DEPARTURE                   
 DAY/TIME    TIDE       TIDE     FROM NORM   WAVES    FLOOD  
            FT MLLW    FT MHHW       FT       FT      IMPACT 
 --------  ---------  ---------  ---------  -------  --------
 19/03 PM     4.0        1.0        1.5        1       NONE    
 20/02 AM     3.5        0.5        1.0       1-2      NONE    
 20/03 PM     3.6        0.6        0.8        2       NONE    
 21/03 AM     3.3        0.3        0.7        2       NONE    
 21/03 PM     3.3        0.3        0.6        1       NONE    
 22/05 AM     3.3        0.3        0.4       1-2      NONE

&&

$$

Tides and Coastal Flooding Discussion

No valid coastal flooding discussion is available at this time.

 

Total Water Level Forecasts for tidal locations can be found on our Advanced Hydrologic Prediction Service (AHPS) page.

 

Total Water Level Forecasts are produced by the National Weather Service in Mount Holly, New Jersey for the following tidal locations.

 

Perth Amboy, New Jersey (Arthur Kill)

Sandy Hook, New Jersey (Sandy Hook Bay)

Manasquan, New Jersey (Watson Creek)

Barnegat Light, New Jersey (Barnegat Bay)

Atlantic City, New Jersey (Oceanfront)

Ocean City, New Jersey (Great Egg Harbor)

Cape May, New Jersey (Cape May Harbor)

Bivalve, New Jersey (Cohansey River)

Burlington, New Jersey (Delaware River)

Philadelphia, Pennsylvania (Delaware River)

Reedy Point, Delaware (Delaware River)

Bowers Beach, Delaware (Murderkill River)

Lewes, Delaware (Delaware Bay)

Chesapeake City, Maryland (Chesapeake and Delaware Canal)

Tolchester Beach, Maryland (Chesapeake Bay)

Claiborne, Maryland (Eastern Bay)

 

Our Advanced Hydrologic Prediction Service (AHPS) page also includes information about other tide gauges in our area.  You can find the flood impacts at certain water levels, as well as historic crests and low water values on the AHPS page.

 

The values listed under Flood Impacts refer to the water level at the tide gauge.  The heights are not to be interpreted as an indication of the water level at the actual locations mentioned in the corresponding impact statements.  Those locations are often a number of miles away from the reference gauge.

 

It is important to remember that the impact statements are based on estimates.  A number of factors can cause the flooding associated with a particular tide level to vary somewhat from event to event.  Those factors include rainfall, wave action and the number of tide cycles during which there is an onshore flow.

 

Being that the impact statements are based on estimates, it may be best to place more emphasis on the descriptive categories of flooding rather than focusing on the specific height values associated with flooding at a given location.  The three categories (minor, moderate, major) provide a much better overall picture of the type of tidal flooding that can be expected in the area.

 

In the MINOR category there is flooding of the most vulnerable roadways due to high water and/or wave splash-over.  The majority of roads remain passable.  There is no significant threat to life.  Any impact on property is minimal.  This type of event is covered by a Coastal Flood Advisory.

 

In the MODERATE category there is widespread flooding of roadways due to high water and/or wave action with many roads becoming impassable.  Lives may be at risk when people put themselves in harm’s way.  Some damage to vulnerable structures may occur.  This type of event is covered by a Coastal Flood Warning.

 

In the MAJOR category there is flooding that is severe enough to cause structural damage along with widespread flooding of roadways. Some evacuations become necessary.  Vulnerable homes and businesses may be severely damaged or destroyed.  Numerous roads become impassable and some neighborhoods may be isolated.  The flood waters become a danger to anyone who attempts to cross on foot or in a vehicle.  This type of event is covered by a Coastal Flood Warning which may contain enhanced wording to emphasize the significant threat to life and property.