Coastal Flood Warnings/Watches/Statements
Issued by NWS Boston, MA
Issued by NWS Boston, MA
961
WHUS41 KBOX 161907
CFWBOX
Coastal Hazard Message
National Weather Service Boston/Norton MA
307 PM EDT Thu Oct 16 2025
MAZ023-024-170400-
/O.CON.KBOX.CF.S.0005.251017T0000Z-251017T0400Z/
Dukes MA-Nantucket MA-
307 PM EDT Thu Oct 16 2025
...COASTAL FLOOD STATEMENT REMAINS IN EFFECT FROM 8 PM THIS
EVENING TO MIDNIGHT EDT TONIGHT...
* WHAT...Up to one half foot of inundation above
ground level expected in low-lying areas near shorelines and
tidal waterways (3.0 to 5.0 feet Mean Lower Low Water).
* WHERE...Dukes MA and Nantucket MA Counties.
* WHEN...From 8 PM this evening to midnight EDT 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.
Edgartown
MLLW Categories - Minor 4.0 ft, Moderate 5.0 ft, Major 7.0 ft
MHHW Categories - Minor 1.3 ft, Moderate 2.3 ft, Major 4.3 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
16/09 PM 3.6/ 4.1 0.9/ 1.4 1.0/ 1.5 3 None
17/09 AM 3.9/ 4.4 1.2/ 1.7 1.5/ 2.0 3 Minor
17/10 PM 3.9/ 4.4 1.2/ 1.7 1.4/ 1.9 2 Minor
18/10 AM 3.6/ 4.1 0.9/ 1.4 1.1/ 1.6 2 None
18/10 PM 3.2/ 3.7 0.5/ 1.0 0.9/ 1.4 2 None
19/11 AM 3.1/ 3.6 0.4/ 0.9 0.6/ 1.1 2 None
Vineyard Haven
MLLW Categories - Minor 4.5 ft, Moderate 6.0 ft, Major 7.0 ft
MHHW Categories - Minor 2.5 ft, Moderate 4.0 ft, Major 5.0 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
16/09 PM 2.7/ 3.2 0.8/ 1.3 1.0/ 1.5 3 None
17/09 AM 3.2/ 3.7 1.2/ 1.7 1.4/ 1.9 3 None
17/09 PM 3.2/ 3.7 1.2/ 1.7 1.4/ 1.9 1-2 None
18/10 AM 3.0/ 3.5 1.0/ 1.5 1.1/ 1.6 2 None
18/10 PM 2.7/ 3.2 0.7/ 1.1 1.0/ 1.5 1 None
19/10 AM 2.5/ 3.0 0.5/ 1.0 0.7/ 1.1 1-2 None
Nantucket Harbor
MLLW Categories - Minor 5.0 ft, Moderate 6.5 ft, Major 8.0 ft
MHHW Categories - Minor 1.4 ft, Moderate 2.9 ft, Major 4.4 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
-------- --------- --------- --------- ------- --------
16/09 PM 4.7/ 5.2 1.1/ 1.6 1.2/ 1.7 5 Minor
17/10 AM 4.7/ 5.2 1.2/ 1.7 1.6/ 2.0 5 Minor
17/10 PM 4.7/ 5.2 1.2/ 1.7 1.4/ 1.9 4 Minor
18/11 AM 4.4/ 4.9 0.8/ 1.3 1.1/ 1.6 4-5 None
18/11 PM 4.0/ 4.5 0.5/ 1.0 0.9/ 1.4 4 None
19/12 PM 4.0/ 4.5 0.4/ 0.9 0.6/ 1.1 3-4 None
&&
$$