Southeast Harford Severe Watches & Warnings NOAA Weather Radio

Watches & Warnings

Coastal Flood Advisory
Issued: 6:39 AM EDT Sep. 21, 2018 – National Weather Service

... Coastal flood advisory remains in effect until 2 PM EDT this
afternoon...

* locations... shoreline in southeast Harford County.

* Tidal departure... 2 to 2.5 feet above normal.

* Timing... around the time of high tide. The next high tide at
Havre de Grace is at 7:59 am this morning.

* Impacts... water is expected to go over The Bulkhead at the
Havre de Grace Yacht Basin. Minor shoreline inundation up to
one foot above ground is possible elsewhere.

Precautionary/preparedness actions...

A coastal flood advisory indicates that onshore winds and tides
will combine to generate flooding of low areas along the shore.



Forecast tides are referenced to mean lower low water
(mllw) and mean higher high water (mhhw) unless
otherwise noted. Time of high total tide is
approximate to nearest hour. Total tide combines the
normal tide and departure from normal. Flood impact
is based on the total tide and waves where applicable.

Havre de Grace MD
MLLW categories - minor 4.0 ft, moderate 5.5 ft, major 7.0 ft
mhhw categories - minor 2.2 ft, moderate 3.7 ft, major 5.2 ft

             total total departure
day/time tide tide from norm waves flood
            ft MLLW ft mhhw ft ft impact
-------- --------- --------- --------- ------- --------
21/08 am 4.9 2.5 2.5 1.0 minor
21/09 PM 4.3 1.9 2.2 1.0 minor
22/08 am 4.1 1.7 1.7 0.5 minor
22/09 PM 2.8 0.4 0.6 0.5 none
23/09 am 2.8 0.4 0.4 0.5 none
23/10 PM 2.8 0.4 0.5 0.5 none





Coastal Flood Advisory
Issued: 6:39 AM EDT Sep. 21, 2018 – National Weather Service

... Coastal flood advisory remains in effect until 2 PM EDT this
afternoon...

* locations... shoreline in southeast Harford County.

* Tidal departure... 2 to 2.5 feet above normal.

* Timing... around the time of high tide. The next high tide at
Havre de Grace is at 7:59 am this morning.

* Impacts... water is expected to go over The Bulkhead at the
Havre de Grace Yacht Basin. Minor shoreline inundation up to
one foot above ground is possible elsewhere.

Precautionary/preparedness actions...

A coastal flood advisory indicates that onshore winds and tides
will combine to generate flooding of low areas along the shore.



Forecast tides are referenced to mean lower low water
(mllw) and mean higher high water (mhhw) unless
otherwise noted. Time of high total tide is
approximate to nearest hour. Total tide combines the
normal tide and departure from normal. Flood impact
is based on the total tide and waves where applicable.

Havre de Grace MD
MLLW categories - minor 4.0 ft, moderate 5.5 ft, major 7.0 ft
mhhw categories - minor 2.2 ft, moderate 3.7 ft, major 5.2 ft

             total total departure
day/time tide tide from norm waves flood
            ft MLLW ft mhhw ft ft impact
-------- --------- --------- --------- ------- --------
21/08 am 4.9 2.5 2.5 1.0 minor
21/09 PM 4.3 1.9 2.2 1.0 minor
22/08 am 4.1 1.7 1.7 0.5 minor
22/09 PM 2.8 0.4 0.6 0.5 none
23/09 am 2.8 0.4 0.4 0.5 none
23/10 PM 2.8 0.4 0.5 0.5 none





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