449
WHUS41 KGYX 181843
CFWGYX
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAY ME
243 PM EDT SAT APR 18 2026
MEZ023-024-NHZ014-190445-
/O.NEW.KGYX.CF.S.0004.260419T0300Z-260419T0700Z/
COASTAL YORK-COASTAL CUMBERLAND-COASTAL ROCKINGHAM-
243 PM EDT SAT APR 18 2026
...COASTAL FLOOD STATEMENT IN EFFECT FROM 11 PM EDT THIS EVENING
THROUGH LATE TONIGHT...
* WHAT...SPOTTY MINOR COASTAL FLOODING POSSIBLE DUE TO HIGH
ASTRONOMICAL TIDES.
* WHERE...IN MAINE, COASTAL YORK AND COASTAL CUMBERLAND
COUNTIES. IN NEW HAMPSHIRE, COASTAL ROCKINGHAM COUNTY.
* WHEN...FROM 11 PM EDT THIS EVENING THROUGH LATE TONIGHT.
* IMPACTS...SOME WATER ON LOW LYING ROADS AND PROPERTY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT DRIVE THROUGH FLOODED ROADWAYS.
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 2.6 FT, MODERATE 3.6 FT, MAJOR 4.6 FT
TOTAL TOTAL DEPARTURE
DAY/TIME TIDE TIDE FROM NORM WAVES FLOOD
FT MLLW FT MHHW FT FT IMPACT
-------- --------- --------- --------- ------- --------
19/01 AM 10.7 1.8 0.8 2 NONE
19/01 PM 9.1 0.2 0.6 3 NONE
20/02 AM 9.8 0.9 -0.1 3 NONE
20/02 PM 8.5 -0.4 0.1 2 NONE
21/03 AM 9.9 1.0 0.3 2 NONE
HAMPTON HARBOR NH
MLLW CATEGORIES - MINOR 11.0 FT, MODERATE 12.0 FT, MAJOR 13.0 FT
MHHW CATEGORIES - MINOR 1.4 FT, MODERATE 2.4 FT, MAJOR 3.4 FT
TOTAL TOTAL DEPARTURE
DAY/TIME TIDE TIDE FROM NORM WAVES FLOOD
FT MLLW FT MHHW FT FT IMPACT
-------- --------- --------- --------- ------- --------
19/01 AM 11.1 1.5 0.8 1 MINOR
19/01 PM 9.6 0.0 0.5 1 NONE
20/01 AM 10.2 0.6 0.7 1 NONE
20/02 PM 9.1 -0.5 0.2 1 NONE
21/02 AM 10.3 0.7 0.2 1 NONE
PORTLAND ME
MLLW CATEGORIES - MINOR 12.0 FT, MODERATE 13.0 FT, MAJOR 14.0 FT
MHHW CATEGORIES - MINOR 2.1 FT, MODERATE 3.1 FT, MAJOR 4.1 FT
TOTAL TOTAL DEPARTURE
DAY/TIME TIDE TIDE FROM NORM WAVES FLOOD
FT MLLW FT MHHW FT FT IMPACT
-------- --------- --------- --------- ------- --------
19/01 AM 12.1 2.2 0.9 1 MINOR
19/01 PM 10.6 0.7 0.6 1 NONE
20/01 AM 11.3 1.4 0.1 1 NONE
20/02 PM 9.9 -0.0 0.1 1 NONE
21/02 AM 11.3 1.4 0.2 1 NONE
SCARBOROUGH RIVER TEST POINT
MLLW CATEGORIES - MINOR 14.0 FT, MODERATE 15.0 FT, MAJOR 16.0 FT
MHHW CATEGORIES - MINOR 4.5 FT, MODERATE 5.5 FT, MAJOR 6.5 FT
TOTAL TOTAL DEPARTURE
DAY/TIME TIDE TIDE FROM NORM WAVES FLOOD
FT MLLW FT MHHW FT FT IMPACT
-------- --------- --------- --------- ------- --------
19/01 AM 11.6 2.1 0.8 0 NONE
19/01 PM 10.1 0.6 0.6 0 NONE
20/02 AM 10.9 1.4 0.0 0 NONE
20/02 PM 9.4 -0.1 0.1 0 NONE
21/03 AM 11.0 1.5 0.2 0 NONE
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