Coastal Hazard Message
National Weather Service Gray ME
842 PM EST Sun Dec 17 2023
MEZ023>028-NHZ014-180945-
/O.CON.KGYX.CF.W.0001.231218T1900Z-231218T2300Z/
Coastal York-Coastal Cumberland-Sagadahoc-Lincoln-Knox-
Coastal Waldo-Coastal Rockingham-
842 PM EST Sun Dec 17 2023
…COASTAL FLOOD WARNING REMAINS IN EFFECT FROM 2 PM TO 6 PM EST
MONDAY…
- WHAT…Storm surge values of 2 to 3 feet and large nearshore
waves of 15 to 20 feet will coincide with the Monday afternoon
high tide to bring minor to moderate coastal flooding impacts. - WHERE…In Maine, Coastal York, Coastal Cumberland, Sagadahoc,
Lincoln, Knox and Coastal Waldo Counties. In New Hampshire,
Coastal Rockingham County. - WHEN…From 2 PM to 6 PM EST Monday.
- TIDAL FLOOD IMPACTS…Flooding of low-lying vulnerable
locations near the waterfront can be expected with up to a
foot inundation in some low lying areas. Flooding will occur
along parking lots, parks and roads with only isolated road
closures expected. - WAVE IMPACTS…Expect moderate to locally significant beach
erosion with considerable erosion of protected dune structures
due to large breaking waves. Splash-over may lead to ponding
of water behind dune structures and result in some flooding of
roads and vulnerable structures. Small rocks associated with
splash- over may result in damage to passing vehicles or
pedestrians.
PRECAUTIONARY/PREPAREDNESS ACTIONS…
Take the necessary actions to protect flood-prone property. If
travel is required, do not drive around barricades or through
water of unknown depth.
&&
Time of high total tides are approximate to the nearest hour.
Seavey Island / Portsmouth NH
MLLW Categories – Minor 11.5 ft, Moderate 12.5 ft, Major 13.5 ft
MHHW Categories – Minor 2.7 ft, Moderate 3.7 ft, Major 4.7 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
——– ——— ——— ——— ——- ——–
18/03 AM 9.3 0.5 1.2 4-6 None
18/03 PM 11.2 2.4 2.3 13-16 None
19/04 AM 8.6 -0.2 0.4 11-12 None
19/04 PM 8.8 -0.0 0.2 9-10 None
20/05 AM 8.5 -0.3 0.1 8 None
20/06 PM 8.9 0.1 0.6 7 None
Hampton Harbor NH
MLLW Categories – Minor 11.0 ft, Moderate 12.0 ft, Major 13.0 ft
MHHW Categories – Minor 1.5 ft, Moderate 2.5 ft, Major 3.5 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
——– ——— ——— ——— ——- ——–
18/03 AM 9.5 -0.0 1.2 1 None
18/03 PM 11.4 1.9 2.3 2 Minor
19/04 AM 8.7 -0.8 0.3 2 None
19/04 PM 8.9 -0.6 0.1 2 None
20/05 AM 8.7 -0.8 0.1 1 None
20/05 PM 9.0 -0.5 0.6 1 None
Portland ME
MLLW Categories – Minor 12.0 ft, Moderate 13.0 ft, Major 14.0 ft
MHHW Categories – Minor 2.3 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
——– ——— ——— ——— ——- ——–
18/03 AM 10.4 0.7 1.2 1 None
18/03 PM 12.6 2.9 2.6 2 Minor
19/04 AM 9.5 -0.2 0.2 2 None
19/04 PM 9.6 -0.1 0.0 2 None
20/05 AM 9.3 -0.4 -0.1 1-2 None
20/05 PM 9.8 0.1 0.5 1-2 None
Bath ME
MLLW Categories – Minor 11.0 ft, Moderate 12.0 ft, Major 13.0 ft
MHHW Categories – Minor 1.3 ft, Moderate 2.3 ft, Major 3.3 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
——– ——— ——— ——— ——- ——–
18/04 AM 8.3 -1.4 1.2 0 None
18/04 PM 11.0 1.3 3.1 0 Minor
19/05 AM 7.5 -2.2 0.2 0 None
19/05 PM 7.8 -1.9 0.2 0 None
20/06 AM 7.4 -2.3 -0.1 0 None
20/06 PM 7.7 -2.0 0.5 0 None
Boothbay Harbor ME
MLLW Categories – Minor 13.0 ft, Moderate 14.0 ft, Major 15.0 ft
MHHW Categories – Minor 3.3 ft, Moderate 4.3 ft, Major 5.3 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
——– ——— ——— ——— ——- ——–
18/03 AM 10.0 0.3 1.1 2-3 None
18/03 PM 12.4 2.7 2.7 8-12 None
19/04 AM 9.1 -0.6 0.1 7-9 None
19/04 PM 9.3 -0.4 0.0 5 None
20/05 AM 9.0 -0.7 -0.2 4 None
20/05 PM 9.4 -0.3 0.4 3 None
&&
$$
Legro
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