455  
WHUS41 KGYX 212356  
CFWGYX  
 
COASTAL HAZARD MESSAGE  
NATIONAL WEATHER SERVICE GRAY ME  
756 PM EDT THU AUG 21 2025  
 
MEZ023>027-NHZ014-220800-  
/O.CAN.KGYX.RP.S.0001.000000T0000Z-250822T0000Z/  
/O.CON.KGYX.SU.Y.0002.250822T1000Z-250824T0000Z/  
/O.CON.KGYX.CF.Y.0002.250823T0200Z-250823T0500Z/  
COASTAL YORK-COASTAL CUMBERLAND-SAGADAHOC-LINCOLN-KNOX-  
COASTAL ROCKINGHAM-  
756 PM EDT THU AUG 21 2025  
 
...HIGH SURF ADVISORY REMAINS IN EFFECT FROM 6 AM FRIDAY TO 8 PM  
EDT SATURDAY...  
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT FROM 10 PM FRIDAY TO  
1 AM EDT SATURDAY...   
..HIGH RIP CURRENT RISK IS CANCELLED
 
 
* WHAT...FOR THE HIGH SURF ADVISORY, LARGE BREAKING WAVES OF 6 TO  
10 FEET AND A HIGH RISK OF DANGEROUS RIP CURRENTS. FOR THE  
COASTAL FLOOD ADVISORY, MINOR COASTAL FLOODING AND SPLASH- OVER.  
 
* WHERE...IN MAINE, COASTAL YORK, COASTAL CUMBERLAND, SAGADAHOC,  
LINCOLN AND KNOX COUNTIES. IN NEW HAMPSHIRE, COASTAL  
ROCKINGHAM COUNTY.  
 
* WHEN...FOR THE HIGH SURF ADVISORY, FROM 6 AM FRIDAY TO 8 PM  
EDT SATURDAY. FOR THE COASTAL FLOOD ADVISORY, FROM 10 PM  
FRIDAY TO 1 AM EDT SATURDAY.  
 
* IMPACTS...FLOODING OF LOTS, PARKS, AND ROADS WITH ONLY  
ISOLATED ROAD CLOSURES EXPECTED. DANGEROUS SWIMMING AND  
SURFING CONDITIONS AND LOCALIZED BEACH EROSION.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
IF TRAVEL IS REQUIRED, ALLOW EXTRA TIME AS SOME ROADS MAY BE  
CLOSED. DO NOT DRIVE AROUND BARRICADES OR THROUGH WATER OF  
UNKNOWN DEPTH. TAKE THE NECESSARY ACTIONS TO PROTECT FLOOD-PRONE  
PROPERTY.  
 
INEXPERIENCED SWIMMERS SHOULD REMAIN OUT OF THE WATER DUE TO  
DANGEROUS SURF CONDITIONS.  
 
LARGE WAVES CAN PRESENT A DANGER TO PEOPLE ON ROCKS ABOVE THE  
WATER. STAY AWAY FROM ROCK OUTCROPS ALONG THE SHORELINE EXPOSED  
TO OCEAN WAVES...AS WAVES CAN EASILY SWEEP PEOPLE INTO THE COLD  
OCEAN WATER.  
 

 
 
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  
-------- --------- --------- --------- ------- --------  
21/11 PM 10.5 1.6 1.1 3-4 NONE  
22/12 PM 9.8 0.9 1.6 5-6 NONE  
23/12 AM 11.0 2.1 1.6 6 NONE  
23/12 PM 9.5 0.6 1.1 6 NONE  
24/12 AM 9.7 0.8 0.5 6 NONE  
24/01 PM 9.0 0.1 0.4 4-5 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  
-------- --------- --------- --------- ------- --------  
21/11 PM 10.6 1.0 1.1 1 NONE  
22/11 AM 9.9 0.3 1.6 1 NONE  
23/12 AM 11.1 1.5 1.6 1 MINOR  
23/12 PM 9.6 0.0 1.1 1 NONE  
24/12 AM 9.9 0.3 0.5 1 NONE  
24/01 PM 9.1 -0.5 0.4 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  
-------- --------- --------- --------- ------- --------  
21/11 PM 11.3 1.4 1.0 1 NONE  
22/11 AM 10.8 0.9 1.7 1 NONE  
22/11 PM 12.2 2.3 1.9 1 MINOR  
23/12 PM 10.7 0.8 1.3 1 NONE  
24/12 AM 11.0 1.1 0.7 1 NONE  
24/01 PM 10.0 0.1 0.5 1 NONE  
 
ARROWSIC TEST POINT  
MLLW CATEGORIES - MINOR 11.5 FT, MODERATE 12.5 FT, MAJOR 13.5 FT  
MHHW CATEGORIES - MINOR 3.7 FT, MODERATE 4.7 FT, MAJOR 5.7 FT  
 
TOTAL TOTAL DEPARTURE  
DAY/TIME TIDE TIDE FROM NORM WAVES FLOOD  
FT MLLW FT MHHW FT FT IMPACT  
-------- --------- --------- --------- ------- --------  
21/11 PM 10.2 2.4 1.0 0 NONE  
22/12 PM 9.8 2.0 1.7 0 NONE  
23/12 AM 11.2 3.4 2.0 0 NONE  
23/12 PM 9.6 1.8 1.3 0 NONE  
24/01 AM 9.9 2.1 0.8 0 NONE  
24/01 PM 9.0 1.2 0.6 0 NONE  
 
BATH ME  
MLLW CATEGORIES - MINOR 9.5 FT, MODERATE 11.0 FT, MAJOR 12.0 FT  
MHHW CATEGORIES - MINOR 2.1 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  
-------- --------- --------- --------- ------- --------  
21/11 PM 9.0 1.6 1.0 0 NONE  
22/12 PM 8.5 1.1 1.6 0 NONE  
23/12 AM 10.0 2.6 2.0 0 MINOR  
23/01 PM 8.5 1.1 1.4 0 NONE  
24/01 AM 8.8 1.4 0.9 0 NONE  
24/01 PM 7.7 0.3 0.6 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  
-------- --------- --------- --------- ------- --------  
21/10 PM 10.8 1.1 0.9 2-3 NONE  
22/11 AM 10.5 0.8 1.7 3-4 NONE  
22/11 PM 12.0 2.3 2.0 3-4 NONE  
23/12 PM 10.3 0.6 1.3 2 NONE  
24/12 AM 10.7 1.0 0.7 2 NONE  
24/01 PM 9.7 -0.0 0.5 2-3 NONE  
 
SAINT GEORGE  
MLLW CATEGORIES - MINOR 12.5 FT, MODERATE 13.5 FT, MAJOR 14.5 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  
-------- --------- --------- --------- ------- --------  
21/10 PM 11.1 1.2 0.9 4-5 NONE  
22/11 AM 10.7 0.8 1.7 7-8 NONE  
22/11 PM 12.2 2.3 2.0 7-8 NONE  
23/12 PM 10.5 0.6 1.3 4-5 NONE  
24/12 AM 11.0 1.1 0.8 3 NONE  
24/01 PM 9.8 -0.1 0.5 3-4 NONE  
 

 
 

 
 
MEZ028-220800-  
/O.CON.KGYX.SU.Y.0002.250822T1000Z-250824T0000Z/  
/O.CON.KGYX.CF.Y.0002.250823T0200Z-250823T0500Z/  
COASTAL WALDO-  
756 PM EDT THU AUG 21 2025  
 
...HIGH SURF ADVISORY REMAINS IN EFFECT FROM 6 AM FRIDAY TO 8 PM  
EDT SATURDAY...  
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT FROM 10 PM FRIDAY TO  
1 AM EDT SATURDAY...  
 
* WHAT...FOR THE HIGH SURF ADVISORY, LARGE BREAKING WAVES OF 4 TO  
6 FEET. FOR THE COASTAL FLOOD ADVISORY, MINOR COASTAL FLOODING  
AND SPLASH-OVER POSSIBLE.  
 
* WHERE...COASTAL WALDO COUNTY.  
 
* WHEN...FOR THE HIGH SURF ADVISORY, FROM 6 AM FRIDAY TO 8 PM  
EDT SATURDAY. FOR THE COASTAL FLOOD ADVISORY, FROM 10 PM  
FRIDAY TO 1 AM EDT SATURDAY.  
 
* IMPACTS...FLOODING OF LOTS, PARKS, AND ROADS WITH ONLY  
ISOLATED ROAD CLOSURES EXPECTED. DANGEROUS SWIMMING AND  
SURFING CONDITIONS AND LOCALIZED BEACH EROSION.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
IF TRAVEL IS REQUIRED, ALLOW EXTRA TIME AS SOME ROADS MAY BE  
CLOSED. DO NOT DRIVE AROUND BARRICADES OR THROUGH WATER OF  
UNKNOWN DEPTH. TAKE THE NECESSARY ACTIONS TO PROTECT FLOOD-PRONE  
PROPERTY.  
 
INEXPERIENCED SWIMMERS SHOULD REMAIN OUT OF THE WATER DUE TO  
DANGEROUS SURF CONDITIONS.  
 
LARGE WAVES CAN PRESENT A DANGER TO PEOPLE ON ROCKS ABOVE THE  
WATER. STAY AWAY FROM ROCK OUTCROPS ALONG THE SHORELINE EXPOSED  
TO OCEAN WAVES...AS WAVES CAN EASILY SWEEP PEOPLE INTO THE COLD  
OCEAN WATER.  
 

 
 

 
 
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