Weather Alerts for Southern Plymouth County

Issued by the National Weather Service

Coastal Flood Advisory  COASTAL FLOOD ADVISORY   Coastal Flood Advisory
SOUTHERN PLYMOUTH COUNTY

Areas Affected:
Eastern Essex - Eastern Norfolk - Eastern Plymouth - Suffolk
Effective: Fri, 3/22 11:00am Updated: Fri, 3/22 6:06am Urgency: Expected
Expires: Fri, 3/22 3:00pm Severity: Minor Certainty: Likely

 
Details:
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT FROM 11 AM THIS
MORNING TO 3 PM EDT THIS AFTERNOON...
* LOCATIONS...Suffolk MA, Eastern Essex MA, Eastern Norfolk MA
and Eastern Plymouth MA.
* TIMING...From 11 AM this morning to 3 PM EDT this afternoon.
* COASTAL FLOOD IMPACTS...minor coastal flooding of the most
vulnerable shore roads and/or basements due to the height of
storm tide or wave splashover. The majority of roads remain
passable with only isolated closures. There is no significant
threat to life...and impact on property is minimal.
Time of high total tides are approximate to the nearest hour.
Category thresholds are based on still water levels. Impacts
may be greater, depending upon wave action.
Newburyport
MLLW Categories - Minor 11.0 FT, Moderate 12.0 FT, Major 13.5 FT
MHHW Categories - Minor 1.5 FT, Moderate 2.5 FT, Major 4.0 FT
Total      Total    Departure
Day/Time    Tide       Tide     from Norm   Waves    Flood
ft MLLW    ft MHHW       ft       ft      Impact
--------  ---------  ---------  ---------  -------  --------
22/01 AM   9.3/ 9.8  -0.2/ 0.2  -0.2/ 0.2    3-4      None
22/01 PM  10.7/11.2   1.2/ 1.7   1.1/ 1.6     7       None
23/02 AM   9.5/10.0   0.0/ 0.5  -0.2/ 0.2    5-6      None
23/02 PM   9.1/ 9.6  -0.5/ 0.0  -0.2/ 0.2     4       None
24/02 AM   9.4/ 9.9  -0.2/ 0.3  -0.2/ 0.2    3-4      None
Gloucester Harbor
MLLW Categories - Minor 11.5 FT, Moderate 13.0 FT, Major 15.0 FT
MHHW Categories - Minor 2.0 FT, Moderate 3.5 FT, Major 5.5 FT
Total      Total    Departure
Day/Time    Tide       Tide     from Norm   Waves    Flood
ft MLLW    ft MHHW       ft       ft      Impact
--------  ---------  ---------  ---------  -------  --------
22/01 AM  11.6/12.1   2.1/ 2.6   0.4/ 0.9    3-5     Minor
22/01 PM  12.4/12.9   2.8/ 3.4   1.1/ 1.6     7      Minor
23/01 AM  11.0/11.5   1.5/ 2.0  -0.2/ 0.3     7       None
23/02 PM  10.7/11.2   1.2/ 1.7  -0.2/ 0.2    5-6      None
24/02 AM  10.9/11.4   1.4/ 1.9  -0.2/ 0.2    4-5      None
Boston Harbor
MLLW Categories - Minor 12.5 FT, Moderate 13.5 FT, Major 14.5 FT
MHHW Categories - Minor 2.4 FT, Moderate 3.4 FT, Major 4.4 FT
Total      Total    Departure
Day/Time    Tide       Tide     from Norm   Waves    Flood
ft MLLW    ft MHHW       ft       ft      Impact
--------  ---------  ---------  ---------  -------  --------
22/01 AM  11.2/11.7   1.1/ 1.6  -0.2/ 0.2     2       None
22/01 PM  12.7/13.2   2.6/ 3.1   1.1/ 1.6    1-2     Minor
23/01 AM  11.3/11.8   1.2/ 1.7  -0.2/ 0.2     2       None
23/02 PM  11.0/11.5   0.9/ 1.4  -0.2/ 0.2     2       None
24/02 AM  11.1/11.6   1.0/ 1.5  -0.2/ 0.2     2       None
Revere
MLLW Categories - Minor 12.5 FT, Moderate 14.5 FT, Major 16.0 FT
MHHW Categories - Minor 2.6 FT, Moderate 4.6 FT, Major 6.1 FT
Total      Total    Departure
Day/Time    Tide       Tide     from Norm   Waves    Flood
ft MLLW    ft MHHW       ft       ft      Impact
--------  ---------  ---------  ---------  -------  --------
22/01 AM  11.9/12.4   2.0/ 2.5   0.5/ 1.0    2-4      None
22/01 PM  12.6/13.1   2.7/ 3.2   1.1/ 1.6     5      Minor
23/02 AM  11.1/11.6   1.2/ 1.7  -0.2/ 0.3    4-5      None
23/02 PM  10.9/11.4   1.0/ 1.5  -0.2/ 0.2    3-4      None
24/02 AM  11.0/11.5   1.1/ 1.6  -0.2/ 0.2    2-3      None
Scituate
MLLW Categories - Minor 11.5 FT, Moderate 13.5 FT, Major 15.5 FT
MHHW Categories - Minor 1.8 FT, Moderate 3.8 FT, Major 5.8 FT
Total      Total    Departure
Day/Time    Tide       Tide     from Norm   Waves    Flood
ft MLLW    ft MHHW       ft       ft      Impact
--------  ---------  ---------  ---------  -------  --------
22/01 AM  10.9/11.4   1.2/ 1.7   0.1/ 0.6    3-5      None
22/01 PM  11.9/12.4   2.2/ 2.7   1.0/ 1.5    5-6     Minor
23/02 AM  10.8/11.3   1.1/ 1.6  -0.2/ 0.2     5       None
23/02 PM  10.4/10.9   0.7/ 1.1  -0.2/ 0.2     4       None
24/02 AM  10.7/11.2   1.0/ 1.5  -0.2/ 0.2    3-4      None
&&

Information:
A Coastal Flood Advisory is issued for minor coastal flooding of
the most vulnerable shore roads and/or basements due to the
height of storm tide or wave splashover. The majority of roads
remain passable with only isolated closures. There is no
significant threat to life...and impact on property is minimal.