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866 WHUS41 KBOX 281808CFWBOXCoastal Hazard MessageNational Weather Service Boston/Norton MA208 PM EDT Mon Sep 28 2026MAZ007-015-016-019-022>024-290400-/O.CON.KBOX.CF.Y.0009.000000T0000Z-260929T0400Z/Eastern Essex MA-Suffolk MA-Eastern Norfolk MA-Eastern Plymouth MA-Barnstable MA-Dukes MA-Nantucket MA-208 PM EDT Mon Sep 28 2026...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EDTTONIGHT...* WHAT...Up to one half foot of inundation above ground level in low-lying areas near shorelines and tidal waterways.* WHERE...Eastern Massachusetts coast, including Cape Cod, Nantucket and Martha's Vineyard* WHEN...Until midnight EDT tonight.* IMPACTS...Roads remain passable. Low lying areas and roads near Nantucket Harbor, including Easy Street, may experience pockets of shallow flooding less than one foot deep.PRECAUTIONARY/PREPAREDNESS ACTIONS...If travel is required, allow extra time as some roads may beclosed. Do not drive around barricades or through water ofunknown depth. Take the necessary actions to protect flood-proneproperty.&&&&Time of high total tides are approximate to the nearest hour.Gloucester HarborMLLW Categories - Minor 11.5 ft, Moderate 13.0 ft, Major 15.0 ftMHHW Categories - Minor 1.9 ft, Moderate 3.4 ft, Major 5.4 ft Total Total Departure Day/Time Tide Tide from Norm Waves Flood ft MLLW ft MHHW ft ft Impact -------- --------- --------- --------- ------- -------- 29/01 AM 10.0/10.5 0.4/ 0.9 0.6/ 1.1 5 None 29/01 PM 10.8/11.3 1.2/ 1.7 0.6/ 1.1 4 None 30/02 AM 9.9/10.4 0.2/ 0.8 0.6/ 1.1 3 NoneMerrimack River near Newburyport MAMLLW Categories - Minor 11.0 ft, Moderate 12.0 ft, Major 13.5 ftMHHW Categories - Minor 1.5 ft, Moderate 2.5 ft, Major 4.0 ft Total Total Departure Day/Time Tide Tide from Norm Waves Flood ft MLLW ft MHHW ft ft Impact -------- --------- --------- --------- ------- -------- 29/02 AM 9.2/ 9.7 -0.3/ 0.2 0.8/ 1.3 4 None 29/02 PM 9.9/10.4 0.4/ 0.9 0.6/ 1.1 3 None 30/02 AM 8.9/ 9.4 -0.7/-0.2 0.6/ 1.1 2 NoneBoston HarborMLLW Categories - Minor 12.5 ft, Moderate 14.0 ft, Major 15.0 ftMHHW Categories - Minor 2.2 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 -------- --------- --------- --------- ------- -------- 29/01 AM 11.0/11.5 0.7/ 1.1 0.8/ 1.3 1-2 None 29/02 PM 11.6/12.1 1.3/ 1.8 0.6/ 1.1 1 None 30/02 AM 10.6/11.1 0.2/ 0.8 0.6/ 1.1 1 NoneRevereMLLW Categories - Minor 12.5 ft, Moderate 14.5 ft, Major 16.0 ftMHHW Categories - Minor 2.6 ft, Moderate 4.6 ft, Major 6.1 ft Total Total Departure Day/Time Tide Tide from Norm Waves Flood ft MLLW ft MHHW ft ft Impact -------- --------- --------- --------- ------- -------- 29/01 AM 10.6/11.1 0.7/ 1.1 0.7/ 1.1 1 None 29/02 PM 11.3/11.8 1.4/ 1.9 0.6/ 1.1 1 None 30/02 AM 10.4/10.9 0.5/ 1.0 0.6/ 1.1 1 NoneGreen HarborMLLW Categories - Minor 11.5 ft, Moderate 13.5 ft, Major 15.5 ftMHHW Categories - Minor 1.6 ft, Moderate 3.6 ft, Major 5.6 ft Total Total Departure Day/Time Tide Tide from Norm Waves Flood ft MLLW ft MHHW ft ft Impact -------- --------- --------- --------- ------- -------- 29/01 AM 10.2/10.7 0.2/ 0.8 0.7/ 1.1 3-4 None 29/02 PM 11.0/11.5 1.1/ 1.6 0.6/ 1.1 3 None 30/02 AM 10.0/10.5 0.1/ 0.6 0.6/ 1.1 2 NoneScituate MAMLLW Categories - Minor 11.5 ft, Moderate 13.5 ft, Major 15.5 ftMHHW Categories - Minor 1.8 ft, Moderate 3.8 ft, Major 5.8 ft Total Total Departure Day/Time Tide Tide from Norm Waves Flood ft MLLW ft MHHW ft ft Impact -------- --------- --------- --------- ------- -------- 29/01 AM 10.2/10.7 0.5/ 1.0 0.8/ 1.3 4-5 None 29/02 PM 10.8/11.3 1.1/ 1.6 0.6/ 1.1 3-4 None 30/02 AM 9.9/10.4 0.2/ 0.7 0.6/ 1.1 3 NoneBuzzards Bay at Woods HoleMLLW Categories - Minor 5.5 ft, Moderate 7.0 ft, Major 8.5 ftMHHW Categories - Minor 3.5 ft, Moderate 5.0 ft, Major 6.5 ft Total Total Departure Day/Time Tide Tide from Norm Waves Flood ft MLLW ft MHHW ft ft Impact -------- --------- --------- --------- ------- -------- 28/10 PM 2.6/ 3.1 0.6/ 1.1 0.6/ 1.1 2-3 None 29/11 AM 3.2/ 3.7 1.2/ 1.7 0.5/ 1.0 2 None 29/11 PM 2.5/ 3.0 0.5/ 1.0 0.6/ 1.1 1 None 30/11 AM 3.2/ 3.7 1.2/ 1.7 0.6/ 1.1 1 NoneChatham MA - East CoastMLLW Categories - Minor 9.0 ft, Moderate 11.5 ft, Major 13.0 ftMHHW Categories - Minor 3.8 ft, Moderate 6.3 ft, Major 7.8 ft Total Total Departure Day/Time Tide Tide from Norm Waves Flood ft MLLW ft MHHW ft ft Impact -------- --------- --------- --------- ------- -------- 28/02 PM 6.8/ 7.3 1.6/ 2.0 0.9/ 1.4 4 None 29/02 AM 5.9/ 6.4 0.7/ 1.1 0.6/ 1.1 4 None 29/02 PM 6.6/ 7.1 1.4/ 1.9 0.5/ 1.0 3 None 30/03 AM 5.7/ 6.2 0.5/ 1.0 0.6/ 1.1 3 NoneChatham - South sideMLLW Categories - Minor 9.0 ft, Moderate 10.5 ft, Major 11.5 ftMHHW Categories - Minor 4.5 ft, Moderate 6.0 ft, Major 7.0 ft Total Total Departure Day/Time Tide Tide from Norm Waves Flood ft MLLW ft MHHW ft ft Impact -------- --------- --------- --------- ------- -------- 29/02 AM 4.5/ 5.0 0.0/ 0.5 0.6/ 1.1 3 None 29/03 PM 5.2/ 5.7 0.7/ 1.1 0.6/ 1.1 3 None 30/03 AM 4.5/ 5.0 0.0/ 0.5 0.6/ 1.1 2 NoneHyannis HarborMLLW Categories - Minor 5.0 ft, Moderate 6.5 ft, Major 8.5 ftMHHW Categories - Minor 1.2 ft, Moderate 2.7 ft, Major 4.7 ft Total Total Departure Day/Time Tide Tide from Norm Waves Flood ft MLLW ft MHHW ft ft Impact -------- --------- --------- --------- ------- -------- 28/02 PM 4.9/ 5.4 1.1/ 1.6 1.0/ 1.5 2 Minor 29/02 AM 3.9/ 4.4 0.1/ 0.6 0.6/ 1.1 2 None 29/03 PM 4.6/ 5.1 0.8/ 1.3 0.6/ 1.1 2 None 30/03 AM 3.7/ 4.2 0.0/ 0.5 0.6/ 1.1 1 NoneProvincetown HarborMLLW Categories - Minor 13.0 ft, Moderate 14.0 ft, Major 15.0 ftMHHW Categories - Minor 2.9 ft, Moderate 3.9 ft, Major 4.9 ft Total Total Departure Day/Time Tide Tide from Norm Waves Flood ft MLLW ft MHHW ft ft Impact -------- --------- --------- --------- ------- -------- 29/01 AM 10.7/11.2 0.6/ 1.1 0.7/ 1.1 4 None 29/02 PM 11.4/11.9 1.3/ 1.8 0.6/ 1.1 3 None 30/02 AM 10.5/11.0 0.4/ 0.9 0.6/ 1.1 3 NoneDennis - Sesuit HarborMLLW Categories - Minor 13.0 ft, Moderate 14.5 ft, Major 16.0 ftMHHW Categories - Minor 2.5 ft, Moderate 4.0 ft, Major 5.5 ft Total Total Departure Day/Time Tide Tide from Norm Waves Flood ft MLLW ft MHHW ft ft Impact -------- --------- --------- --------- ------- -------- 29/01 AM 11.2/11.7 0.7/ 1.1 0.8/ 1.3 2 None 29/02 PM 11.9/12.4 1.4/ 1.9 0.6/ 1.1 2 None 30/02 AM 10.9/11.4 0.4/ 0.9 0.6/ 1.1 2 NoneSandwich HarborMLLW Categories - Minor 12.0 ft, Moderate 14.0 ft, Major 15.0 ftMHHW Categories - Minor 1.7 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 -------- --------- --------- --------- ------- -------- 29/01 AM 9.4/ 9.9 -1.0/-0.5 0.8/ 1.3 2 None 29/02 PM 10.0/10.5 -0.3/ 0.2 0.6/ 1.1 2 None 30/02 AM 9.1/ 9.6 -1.3/-0.8 0.6/ 1.1 1 NoneWings NeckMLLW Categories - Minor 6.5 ft, Moderate 9.0 ft, Major 11.5 ftMHHW Categories - Minor 2.1 ft, Moderate 4.6 ft, Major 7.1 ft Total Total Departure Day/Time Tide Tide from Norm Waves Flood ft MLLW ft MHHW ft ft Impact -------- --------- --------- --------- ------- -------- 28/10 PM 4.7/ 5.2 0.2/ 0.8 0.6/ 1.1 1-2 None 29/11 AM 5.2/ 5.7 0.9/ 1.4 0.6/ 1.1 1 None 29/11 PM 4.5/ 5.0 0.1/ 0.6 0.6/ 1.1 1 None 30/11 AM 5.2/ 5.7 0.8/ 1.3 0.6/ 1.1 1 NoneEdgartownMLLW Categories - Minor 4.0 ft, Moderate 5.0 ft, Major 7.0 ftMHHW 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 -------- --------- --------- --------- ------- -------- 28/11 PM 2.5/ 3.0 -0.2/ 0.2 0.8/ 1.3 3 None 29/12 PM 3.1/ 3.6 0.4/ 0.9 0.5/ 1.0 2 None 30/03 AM 2.3/ 2.8 -0.3/ 0.2 0.6/ 1.1 1-2 NoneVineyard HavenMLLW Categories - Minor 4.5 ft, Moderate 6.0 ft, Major 7.0 ftMHHW 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 -------- --------- --------- --------- ------- -------- 29/01 AM 2.1/ 2.6 0.1/ 0.6 0.6/ 1.1 2 None 29/01 PM 2.5/ 3.0 0.5/ 1.0 0.5/ 1.0 2 None 30/03 AM 2.2/ 2.7 0.2/ 0.7 0.6/ 1.1 1 NoneNantucket HarborMLLW Categories - Minor 5.0 ft, Moderate 6.5 ft, Major 8.0 ftMHHW 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 -------- --------- --------- --------- ------- -------- 29/02 AM 3.6/ 4.1 0.0/ 0.5 0.5/ 1.0 4 None 29/03 PM 4.5/ 5.0 0.9/ 1.4 0.6/ 1.1 3 None 30/03 AM 3.7/ 4.2 0.1/ 0.6 0.6/ 1.1 2 None&&$$MAZ020-021-RIZ002-004>008-290400-/O.CON.KBOX.CF.S.0005.000000T0000Z-260929T0400Z/Southern Bristol MA-Southern Plymouth MA-Southeast Providence RI-Eastern Kent RI-Bristol RI-Washington RI-Newport RI-Block Island RI-208 PM EDT Mon Sep 28 2026...COASTAL FLOOD STATEMENT REMAINS IN EFFECT UNTIL MIDNIGHT EDTTONIGHT...* WHAT...Pockets of up to one half foot of inundation above ground level in low-lying areas near shorelines and tidal waterways.* WHERE...In Rhode Island, areas along Narragansett Bay as well as south coastal areas. In Massachusetts, south coastal areas along Buzzards Bay. * WHEN...Until 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.Narragansett Bay at Fox PointMLLW Categories - Minor 7.0 ft, Moderate 9.0 ft, Major 10.5 ftMHHW Categories - Minor 2.2 ft, Moderate 4.2 ft, Major 5.7 ft Total Total Departure Day/Time Tide Tide from Norm Waves Flood ft MLLW ft MHHW ft ft Impact -------- --------- --------- --------- ------- -------- 28/10 PM 5.6/ 6.1 0.8/ 1.3 0.7/ 1.1 1 None 29/10 AM 6.0/ 6.5 1.2/ 1.7 0.6/ 1.1 1 None 29/11 PM 5.2/ 5.7 0.5/ 1.0 0.6/ 1.1 1 None 30/11 AM 5.9/ 6.4 1.1/ 1.6 0.6/ 1.1 1 NoneNarragansett Bay at Conimicut PointMLLW Categories - Minor 7.0 ft, Moderate 8.5 ft, Major 10.0 ftMHHW Categories - Minor 2.4 ft, Moderate 3.9 ft, Major 5.4 ft Total Total Departure Day/Time Tide Tide from Norm Waves Flood ft MLLW ft MHHW ft ft Impact -------- --------- --------- --------- ------- -------- 28/10 PM 5.2/ 5.7 0.7/ 1.1 0.7/ 1.1 1 None 29/10 AM 5.7/ 6.2 1.1/ 1.6 0.6/ 1.1 1 None 29/11 PM 5.1/ 5.6 0.5/ 1.0 0.6/ 1.1 1 None 30/11 AM 5.6/ 6.1 1.0/ 1.5 0.6/ 1.1 1 NoneMount Hope Bay near Bristol Point RIMLLW Categories - Minor 7.0 ft, Moderate 9.5 ft, Major 12.0 ftMHHW Categories - Minor 2.5 ft, Moderate 5.0 ft, Major 7.5 ft Total Total Departure Day/Time Tide Tide from Norm Waves Flood ft MLLW ft MHHW ft ft Impact -------- --------- --------- --------- ------- -------- 28/10 PM 5.2/ 5.7 0.7/ 1.1 0.7/ 1.1 1 None 29/10 AM 5.5/ 6.0 1.0/ 1.5 0.6/ 1.1 1 None 29/11 PM 4.7/ 5.2 0.2/ 0.8 0.6/ 1.1 1 None 30/11 AM 5.5/ 6.0 1.0/ 1.5 0.6/ 1.1 1 NoneNarragansett Bay at Quonset PointMLLW Categories - Minor 6.0 ft, Moderate 7.5 ft, Major 9.5 ftMHHW Categories - Minor 1.9 ft, Moderate 3.4 ft, Major 5.4 ft Total Total Departure Day/Time Tide Tide from Norm Waves Flood ft MLLW ft MHHW ft ft Impact -------- --------- --------- --------- ------- -------- 28/10 PM 4.9/ 5.4 0.8/ 1.3 0.7/ 1.1 1 None 29/10 AM 5.2/ 5.7 1.2/ 1.7 0.6/ 1.1 1 None 29/11 PM 4.6/ 5.1 0.5/ 1.0 0.6/ 1.1 1 None 30/11 AM 5.2/ 5.7 1.1/ 1.6 0.6/ 1.1 1 NoneWesterly RI at Watch HillMLLW Categories - Minor 5.0 ft, Moderate 8.0 ft, Major 9.5 ftMHHW Categories - Minor 2.0 ft, Moderate 5.0 ft, Major 6.5 ft Total Total Departure Day/Time Tide Tide from Norm Waves Flood ft MLLW ft MHHW ft ft Impact -------- --------- --------- --------- ------- -------- 28/11 PM 3.4/ 3.9 0.4/ 0.9 0.7/ 1.1 3 None 29/11 AM 3.9/ 4.4 0.9/ 1.4 0.6/ 1.1 2 None 30/12 AM 3.1/ 3.6 0.1/ 0.6 0.6/ 1.1 1 None 30/12 PM 3.7/ 4.2 0.8/ 1.3 0.6/ 1.1 1 NoneNewport HarborMLLW Categories - Minor 6.0 ft, Moderate 7.5 ft, Major 9.0 ftMHHW Categories - Minor 2.1 ft, Moderate 3.6 ft, Major 5.1 ft Total Total Departure Day/Time Tide Tide from Norm Waves Flood ft MLLW ft MHHW ft ft Impact -------- --------- --------- --------- ------- -------- 28/10 PM 4.6/ 5.1 0.7/ 1.1 0.7/ 1.1 2-3 None 29/10 AM 5.0/ 5.5 1.1/ 1.6 0.6/ 1.1 2 None 29/11 PM 4.2/ 4.7 0.4/ 0.9 0.6/ 1.1 1 None 30/11 AM 4.9/ 5.4 1.0/ 1.5 0.6/ 1.1 1 NoneNewport South Coast BeachesMLLW Categories - Minor 6.0 ft, Moderate 7.5 ft, Major 9.0 ftMHHW Categories - Minor 2.5 ft, Moderate 4.0 ft, Major 5.5 ft Total Total Departure Day/Time Tide Tide from Norm Waves Flood ft MLLW ft MHHW ft ft Impact -------- --------- --------- --------- ------- -------- 28/10 PM 4.2/ 4.7 0.7/ 1.1 0.6/ 1.1 3 None 29/10 AM 4.6/ 5.1 1.1/ 1.6 0.5/ 1.0 2 None 29/10 PM 4.0/ 4.5 0.5/ 1.0 0.6/ 1.1 2 None 30/11 AM 4.6/ 5.1 1.1/ 1.6 0.6/ 1.1 1 NoneBlock Island at Old HarborMLLW Categories - Minor 6.0 ft, Moderate 7.5 ft, Major 9.0 ftMHHW Categories - Minor 2.8 ft, Moderate 4.3 ft, Major 5.8 ft Total Total Departure Day/Time Tide Tide from Norm Waves Flood ft MLLW ft MHHW ft ft Impact -------- --------- --------- --------- ------- -------- 28/09 PM 3.7/ 4.2 0.6/ 1.1 0.7/ 1.1 5 None 29/10 AM 4.2/ 4.7 1.0/ 1.5 0.4/ 0.9 3 None 29/10 PM 3.6/ 4.1 0.4/ 0.9 0.5/ 1.0 2 None 30/11 AM 4.2/ 4.7 1.0/ 1.5 0.5/ 1.0 2 NoneMount Hope Bay near Fall River MAMLLW Categories - Minor 7.0 ft, Moderate 9.5 ft, Major 12.0 ftMHHW Categories - Minor 2.3 ft, Moderate 4.8 ft, Major 7.3 ft Total Total Departure Day/Time Tide Tide from Norm Waves Flood ft MLLW ft MHHW ft ft Impact -------- --------- --------- --------- ------- -------- 28/10 PM 5.5/ 6.0 0.8/ 1.3 0.7/ 1.1 1 None 29/10 AM 5.9/ 6.4 1.2/ 1.7 0.6/ 1.1 1 None 29/11 PM 5.2/ 5.7 0.6/ 1.1 0.6/ 1.1 1 None 30/11 AM 5.7/ 6.2 1.1/ 1.6 0.6/ 1.1 1 NoneNew Bedford Hurricane BarrierMLLW Categories - Minor 6.0 ft, Moderate 7.5 ft, Major 9.5 ftMHHW Categories - Minor 2.1 ft, Moderate 3.6 ft, Major 5.6 ft Total Total Departure Day/Time Tide Tide from Norm Waves Flood ft MLLW ft MHHW ft ft Impact -------- --------- --------- --------- ------- -------- 28/10 PM 4.5/ 5.0 0.6/ 1.1 0.6/ 1.1 2 None 29/10 AM 5.1/ 5.6 1.2/ 1.7 0.6/ 1.1 1 None 29/11 PM 4.4/ 4.9 0.5/ 1.0 0.6/ 1.1 1 None 30/11 AM 5.1/ 5.6 1.2/ 1.7 0.6/ 1.1 1 NoneWestportMLLW Categories - Minor 6.0 ft, Moderate 8.0 ft, Major 10.0 ftMHHW Categories - Minor 2.5 ft, Moderate 4.5 ft, Major 6.5 ft Total Total Departure Day/Time Tide Tide from Norm Waves Flood ft MLLW ft MHHW ft ft Impact -------- --------- --------- --------- ------- -------- 28/10 PM 4.0/ 4.5 0.6/ 1.1 0.6/ 1.1 3 None 29/10 AM 4.5/ 5.0 1.0/ 1.5 0.5/ 1.0 2 None 29/11 PM 4.0/ 4.5 0.5/ 1.0 0.6/ 1.1 1 None 30/11 AM 4.5/ 5.0 1.0/ 1.5 0.6/ 1.1 1 NoneBuzzards Bay at MattapoisettMLLW Categories - Minor 8.5 ft, Moderate 10.0 ft, Major 12.0 ftMHHW Categories - Minor 4.4 ft, Moderate 5.9 ft, Major 7.9 ft Total Total Departure Day/Time Tide Tide from Norm Waves Flood ft MLLW ft MHHW ft ft Impact -------- --------- --------- --------- ------- -------- 28/10 PM 4.6/ 5.1 0.5/ 1.0 0.6/ 1.1 2 None 29/10 AM 5.1/ 5.6 1.0/ 1.5 0.5/ 1.0 1 None 29/11 PM 4.5/ 5.0 0.4/ 0.9 0.6/ 1.1 1 None 30/11 AM 5.1/ 5.6 1.0/ 1.5 0.6/ 1.1 1 None&&$$