• Coastal Flood Statement for Barnstable County, Massachusetts
  • Coastal Flood Statement issued September 08 at 3:52PM EDT until September 09 at 1:00AM EDT by NWS
  • Effective: Saturday, September 8, 2018 at 8 p.m.
  • Expires: Sunday, September 9, 2018 at midnight
  • ...HIGH SURF ADVISORY IN EFFECT FROM 10 AM TO 8 PM EDT SUNDAY...
    ...COASTAL FLOOD STATEMENT FOR LATE EVENING HIGH TIDE TONIGHT...
    * LOCATIONS...Cape Cod and Nantucket.
    * TIMING...Minor splashover late this evening, mainly at eastern
    facing coastlines. High surf and a high risk for rip currents
    late Sunday morning into Sunday night, primarily at south facing
    beaches.
    * COASTAL FLOOD IMPACTS...Typically prone locations may experience
    minor splashover and coastal inundation around the time of high
    tide late this evening.
    * SURF ZONE IMPACTS...Large breaking waves will be dangerous to
    anyone who enters the surf. A high risk for rip currents is also
    expected.
    Time of high total tides are approximate to the nearest hour.
    Category thresholds are based on still water levels. Impacts
    may be greater, depending upon wave action.
    Sandwich / Dennis
    MLLW Categories - Minor 13.0 FT, Moderate 14.0 FT, Major 15.5 FT
    MHHW Categories - Minor 2.7 FT, Moderate 3.7 FT, Major 5.2 FT
    Total Total Departure
    Day/Time Tide Tide from Norm Waves Flood
    ft MLLW ft MHHW ft ft Impact
    -------- --------- --------- --------- ------- --------
    08/11 PM 11.2/11.7 0.9/ 1.4 -0.2/ 0.3 2 None
    09/11 AM 10.6/11.1 0.2/ 0.8 0.1/ 0.6 3 None
    10/12 AM 11.5/12.0 1.2/ 1.7 0.1/ 0.6 3 None
    10/12 PM 11.3/11.8 1.0/ 1.5 0.4/ 0.9 4 None
    Provincetown Harbor
    MLLW Categories - Minor 12.5 FT, Moderate 13.5 FT, Major 15.0 FT
    MHHW Categories - Minor 2.4 FT, Moderate 3.4 FT, Major 4.9 FT
    Total Total Departure
    Day/Time Tide Tide from Norm Waves Flood
    ft MLLW ft MHHW ft ft Impact
    -------- --------- --------- --------- ------- --------
    08/11 PM 11.6/12.1 1.5/ 2.0 -0.2/ 0.2 2 None
    09/11 AM 10.9/11.4 0.8/ 1.3 0.0/ 0.5 2-3 None
    10/12 AM 11.9/12.4 1.8/ 2.2 0.0/ 0.5 2 None
    10/12 PM 11.6/12.1 1.5/ 2.0 0.2/ 0.8 3-4 None
    Chatham - East Coast
    MLLW Categories - Minor 9.5 FT, Moderate 12.0 FT, Major 13.0 FT
    MHHW Categories - Minor 1.8 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
    -------- --------- --------- --------- ------- --------
    09/12 AM 6.4/ 6.9 -1.4/-0.9 -0.2/ 0.2 4 None
    09/12 PM 5.9/ 6.4 -1.9/-1.4 0.0/ 0.5 5 None
    10/01 AM 6.6/ 7.1 -1.1/-0.7 0.0/ 0.5 5-6 None
    10/01 PM 6.4/ 6.9 -1.4/-0.9 0.2/ 0.8 8 None
    Chatham - South Coast
    MLLW Categories - Minor 9.0 FT, Moderate 10.5 FT, Major 11.5 FT
    MHHW 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
    -------- --------- --------- --------- ------- --------
    09/12 AM 4.4/ 4.9 -0.2/ 0.3 -0.2/ 0.2 2 None
    09/12 PM 4.0/ 4.5 -0.6/-0.1 0.0/ 0.5 2 None
    10/01 AM 4.6/ 5.1 0.1/ 0.6 0.0/ 0.5 2-3 None
    10/01 PM 4.6/ 5.1 0.1/ 0.6 0.5/ 1.0 3-4 None
    Buzzards Bay - Woods Hole
    MLLW Categories - Minor 5.5 FT, Moderate 7.0 FT, Major 8.5 FT
    MHHW 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
    -------- --------- --------- --------- ------- --------
    08/08 PM 3.0/ 3.5 1.0/ 1.5 -0.2/ 0.2 1 None
    09/08 AM 3.1/ 3.6 1.1/ 1.6 0.0/ 0.5 2 None
    09/09 PM 3.4/ 3.9 1.4/ 1.9 0.2/ 0.7 2 None
    10/09 AM 3.6/ 4.1 1.6/ 2.0 0.4/ 0.9 2-3 None
    Wings Neck
    MLLW Categories - Minor 6.5 FT, Moderate 9.0 FT, Major 11.5 FT
    MHHW Categories - Minor 2.2 FT, Moderate 4.7 FT, Major 7.2 FT
    Total Total Departure
    Day/Time Tide Tide from Norm Waves Flood
    ft MLLW ft MHHW ft ft Impact
    -------- --------- --------- --------- ------- --------
    08/08 PM 5.1/ 5.6 0.8/ 1.3 -0.2/ 0.3 1 None
    09/08 AM 5.2/ 5.7 1.0/ 1.5 0.1/ 0.6 1 None
    09/09 PM 5.4/ 5.9 1.1/ 1.6 0.2/ 0.7 1 None
    10/09 AM 5.7/ 6.2 1.4/ 1.9 0.4/ 0.9 1-3 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
    -------- --------- --------- --------- ------- --------
    09/12 AM 3.7/ 4.2 0.1/ 0.6 -0.2/ 0.2 3 None
    09/12 PM 3.4/ 3.9 -0.2/ 0.2 0.0/ 0.5 3-4 None
    10/01 AM 3.9/ 4.4 0.2/ 0.8 0.1/ 0.6 4 None
    10/01 PM 3.9/ 4.4 0.2/ 0.8 0.4/ 0.9 5 None
    Nantucket East Coast - Erosion Impacts
    Total Total Departure
    Day/Time Tide Tide from Norm Waves Flood
    ft MLLW ft MHHW ft ft Impact
    -------- --------- --------- --------- ------- --------
    09/12 AM 4.0/ 4.5 0.0/ 0.5 -0.2/ 0.2 4 None
    09/12 PM 3.7/ 4.2 -0.3/ 0.2 0.0/ 0.5 5 None
    10/01 AM 4.2/ 4.7 0.2/ 0.7 0.1/ 0.6 6 None
    10/01 PM 4.5/ 5.0 0.4/ 0.9 0.5/ 1.0 7-8 None
    Nantucket - Madaket Area Erosion Impacts
    Total Total Departure
    Day/Time Tide Tide from Norm Waves Flood
    ft MLLW ft MHHW ft ft Impact
    -------- --------- --------- --------- ------- --------
    09/12 AM 2.6/ 3.1 1.2/ 1.7 -0.2/ 0.2 3 None
    09/12 PM 2.6/ 3.1 1.2/ 1.7 0.0/ 0.5 3-4 None
    10/12 AM 2.8/ 3.4 1.5/ 2.0 0.1/ 0.6 4 None
    10/01 PM 3.0/ 3.5 1.6/ 2.0 0.4/ 0.9 5 None
    &&