Watches, Warnings & Advisories



2 products issued by NWS for: East Harwich MA

Coastal Flood Watch

Coastal Hazard Message
National Weather Service Boston/Norton MA
322 PM EDT Thu Sep 19 2024

MAZ007-019-022-024-200830-
/O.CON.KBOX.SU.Y.0006.240920T1100Z-240920T2300Z/
/O.CON.KBOX.CF.A.0006.240920T1500Z-240920T2200Z/
Eastern Essex MA-Eastern Plymouth MA-Barnstable MA-Nantucket MA-
322 PM EDT Thu Sep 19 2024

...HIGH SURF ADVISORY REMAINS IN EFFECT FROM 7 AM TO 7 PM EDT
FRIDAY...
...COASTAL FLOOD WATCH REMAINS IN EFFECT FROM FRIDAY MORNING
THROUGH FRIDAY AFTERNOON...

* WHAT...For the High Surf Advisory, large breaking waves expected
  in the surf zone. For the Coastal Flood Watch, one to two feet
  of inundation above ground level possible in low-lying areas
  near shorelines and tidal waterways.

* WHERE...Northeast Massachusetts, Eastern Plymouth to the Cape
  and Nantucket.

* WHEN...For the High Surf Advisory, from 7 AM to 7 PM EDT
  Friday. For the Coastal Flood Watch, from Friday morning
  through Friday afternoon.

* IMPACTS...Some coastal roads become impassable around high
  tide. Flooding 1 to 2 feet deep affects roads on the North
  Shore from Salem and Marblehead to Gloucester to Newburyport.
  Rough surf will cause beach erosion and send and debris onto
  coastal roads. Many roads near Nantucket Harbor become
  impassable with 1 to 2 feet of water and affects access to the
  ferry terminals. This includes Easy Street, South Beach
  Street, Easton Street, Walsh Street, Willard Street, and
  Straight Wharf. Roads remain passable. Shallow pockets of
  flooding less than one foot deep affect low lying areas in
  Provincetown, mainly near the airport and Race Point Road. In
  Truro, flooding up to one foot deep affects low lying areas
  near Pamet Harbor and along the Pamet River. Dangerous
  swimming and surfing conditions and localized beach erosion.

* ADDITIONAL DETAILS...Greatest risk of moderate coastal flooding
  is along the Plymouth coastline, including the north shore of
  Cape Cod (Bay side), from Sandwich to Dennis.

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.

&&

&&

Time of high total tides are approximate to the nearest hour.

Gloucester Harbor
MLLW Categories - Minor 11.5 ft, Moderate 13.0 ft, Major 15.0 ft
MHHW Categories - Minor 2.0 ft, Moderate 3.5 ft, Major 5.5 ft

             Total      Total    Departure
 Day/Time    Tide       Tide     from Norm   Waves    Flood
            ft MLLW    ft MHHW       ft       ft      Impact
 --------  ---------  ---------  ---------  -------  --------
 20/01 AM  11.3/11.8   1.8/ 2.2   0.6/ 1.1    6-7     Minor
 20/01 PM  12.5/13.0   3.0/ 3.5   1.4/ 1.9   10-11    Minor
 21/02 AM  11.4/11.9   1.9/ 2.3   1.0/ 1.5    10      Minor
 21/02 PM  12.0/12.5   2.5/ 3.0   1.0/ 1.5     9      Minor
 22/03 AM  10.9/11.4   1.4/ 1.9   1.0/ 1.5    7-8      None

Merrimack River near Newburyport MA
MLLW Categories - Minor 11.0 ft, Moderate 12.0 ft, Major 13.5 ft
MHHW 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
 --------  ---------  ---------  ---------  -------  --------
 20/01 AM  10.0/10.5   0.5/ 1.0   0.5/ 1.0     5       None
 20/02 PM  11.4/11.9   1.9/ 2.3   1.5/ 2.0     8      Minor
 21/02 AM  10.2/10.7   0.7/ 1.1   1.0/ 1.5     7       None
 21/03 PM  11.0/11.5   1.5/ 2.0   1.0/ 1.5     8      Minor
 22/03 AM   9.8/10.3   0.2/ 0.8   1.0/ 1.5     7       None

Scituate MA
MLLW Categories - Minor 11.5 ft, Moderate 13.5 ft, Major 15.5 ft
MHHW 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
 --------  ---------  ---------  ---------  -------  --------
 20/01 AM  11.6/12.1   1.9/ 2.3   1.0/ 1.5    6-7     Minor
 20/01 PM  13.0/13.5   3.2/ 3.7   1.8/ 2.2   9-10     Minor
 21/02 AM  11.9/12.4   2.2/ 2.7   1.5/ 2.0     9      Minor
 21/02 PM  12.5/13.0   2.7/ 3.2   1.3/ 1.8     8      Minor
 22/03 AM  11.2/11.7   1.5/ 2.0   1.3/ 1.8     7       None

Buzzards Bay at 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
 --------  ---------  ---------  ---------  -------  --------
 19/10 PM   3.2/ 3.7   1.3/ 1.8   0.4/ 0.9     5       None
 20/11 AM   4.6/ 5.1   2.6/ 3.1   1.5/ 2.0     6       None
 20/11 PM   3.7/ 4.2   1.7/ 2.2   1.0/ 1.5     5       None
 21/11 AM   4.0/ 4.5   2.1/ 2.6   1.0/ 1.5    4-5      None
 22/12 AM   3.6/ 4.1   1.6/ 2.0   1.1/ 1.6     3       None
 22/12 PM   4.0/ 4.5   2.0/ 2.5   1.0/ 1.5     4       None

Chatham MA - East Coast
MLLW Categories - Minor 9.0 ft, Moderate 11.5 ft, Major 13.0 ft
MHHW Categories - Minor 1.3 ft, Moderate 3.8 ft, Major 5.3 ft

             Total      Total    Departure
 Day/Time    Tide       Tide     from Norm   Waves    Flood
            ft MLLW    ft MHHW       ft       ft      Impact
 --------  ---------  ---------  ---------  -------  --------
 20/02 AM   6.6/ 7.1  -1.1/-0.7   0.9/ 1.4     9       None
 20/02 PM   7.6/ 8.1  -0.2/ 0.3   1.6/ 2.0    11       None
 21/03 AM   6.7/ 7.2  -1.1/-0.6   1.2/ 1.7    10       None
 21/03 PM   7.3/ 7.8  -0.5/ 0.0   1.2/ 1.7     8       None
 22/04 AM   6.4/ 6.9  -1.4/-0.9   1.2/ 1.7     7       None

Chatham - South side
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
 --------  ---------  ---------  ---------  -------  --------
 20/02 AM   5.5/ 6.0   1.0/ 1.5   1.0/ 1.5     8       None
 20/02 PM   6.5/ 7.0   2.0/ 2.5   1.6/ 2.0   9-10      None
 21/03 AM   5.5/ 6.0   1.0/ 1.5   1.2/ 1.7    8-9      None
 21/03 PM   6.2/ 6.7   1.7/ 2.2   1.2/ 1.7     6       None
 22/04 AM   5.2/ 5.7   0.8/ 1.3   1.2/ 1.7     6       None

Provincetown Harbor
MLLW Categories - Minor 13.0 ft, Moderate 14.0 ft, Major 15.0 ft
MHHW 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
 --------  ---------  ---------  ---------  -------  --------
 20/01 AM  12.2/12.7   2.1/ 2.6   0.9/ 1.4     8       None
 20/02 PM  13.4/13.9   3.2/ 3.7   1.7/ 2.2   10-11    Minor
 21/02 AM  12.3/12.8   2.2/ 2.7   1.3/ 1.8    10       None
 21/02 PM  12.8/13.3   2.7/ 3.2   1.2/ 1.7     6      Minor
 22/03 AM  11.6/12.1   1.5/ 2.0   1.2/ 1.7     5       None

Dennis - Sesuit Harbor
MLLW Categories - Minor 13.0 ft, Moderate 14.5 ft, Major 16.0 ft
MHHW 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
 --------  ---------  ---------  ---------  -------  --------
 20/01 AM  12.8/13.3   2.2/ 2.7   1.1/ 1.6     6      Minor
 20/02 PM  14.3/14.8   3.7/ 4.2   2.1/ 2.6    7-8    Moderate
 21/02 AM  13.2/13.7   2.7/ 3.2   1.8/ 2.2     7      Minor
 21/02 PM  13.8/14.3   3.2/ 3.7   1.6/ 2.0    5-6     Minor
 22/03 AM  12.3/12.8   1.8/ 2.2   1.4/ 1.9     5       None

Sandwich Harbor
MLLW Categories - Minor 12.0 ft, Moderate 14.0 ft, Major 15.0 ft
MHHW 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
 --------  ---------  ---------  ---------  -------  --------
 20/01 AM  11.6/12.1   1.3/ 1.8   1.6/ 2.0     5       None
 20/02 PM  13.0/13.5   2.7/ 3.2   2.7/ 3.2    6-8     Minor
 21/02 AM  11.9/12.4   1.6/ 2.0   2.2/ 2.7     7      Minor
 21/02 PM  12.4/12.9   2.1/ 2.6   2.0/ 2.5     6      Minor
 22/03 AM  11.2/11.7   0.9/ 1.4   2.0/ 2.5     5       None

Wings Neck
MLLW Categories - Minor 6.5 ft, Moderate 9.0 ft, Major 11.5 ft
MHHW 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
 --------  ---------  ---------  ---------  -------  --------
 19/10 PM   4.5/ 5.0   0.1/ 0.6  -0.5/ 0.0     4       None
 20/11 AM   6.1/ 6.6   1.7/ 2.2   0.9/ 1.4     6       None
 20/11 PM   5.0/ 5.5   0.6/ 1.1   0.2/ 0.8     5       None
 21/12 PM   5.6/ 6.1   1.2/ 1.7   0.7/ 1.1    5-6      None
 22/12 AM   4.9/ 5.4   0.5/ 1.0   0.6/ 1.1     6       None
 22/12 PM   5.4/ 5.9   1.0/ 1.5   0.4/ 0.9    6-7      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
 --------  ---------  ---------  ---------  -------  --------
 20/02 AM   4.7/ 5.2   1.1/ 1.6   1.2/ 1.7     8       None
 20/02 PM   5.9/ 6.4   2.2/ 2.7   2.1/ 2.6    10      Minor
 21/03 AM   4.9/ 5.4   1.3/ 1.8   1.5/ 2.0    8-9     Minor
 21/03 PM   5.5/ 6.0   1.9/ 2.3   1.6/ 2.0     6      Minor
 22/04 AM   4.6/ 5.1   1.0/ 1.5   1.4/ 1.9     6       None

&&

$$



High Surf Advisory

Coastal Hazard Message
National Weather Service Boston/Norton MA
322 PM EDT Thu Sep 19 2024

MAZ007-019-022-024-200830-
/O.CON.KBOX.SU.Y.0006.240920T1100Z-240920T2300Z/
/O.CON.KBOX.CF.A.0006.240920T1500Z-240920T2200Z/
Eastern Essex MA-Eastern Plymouth MA-Barnstable MA-Nantucket MA-
322 PM EDT Thu Sep 19 2024

...HIGH SURF ADVISORY REMAINS IN EFFECT FROM 7 AM TO 7 PM EDT
FRIDAY...
...COASTAL FLOOD WATCH REMAINS IN EFFECT FROM FRIDAY MORNING
THROUGH FRIDAY AFTERNOON...

* WHAT...For the High Surf Advisory, large breaking waves expected
  in the surf zone. For the Coastal Flood Watch, one to two feet
  of inundation above ground level possible in low-lying areas
  near shorelines and tidal waterways.

* WHERE...Northeast Massachusetts, Eastern Plymouth to the Cape
  and Nantucket.

* WHEN...For the High Surf Advisory, from 7 AM to 7 PM EDT
  Friday. For the Coastal Flood Watch, from Friday morning
  through Friday afternoon.

* IMPACTS...Some coastal roads become impassable around high
  tide. Flooding 1 to 2 feet deep affects roads on the North
  Shore from Salem and Marblehead to Gloucester to Newburyport.
  Rough surf will cause beach erosion and send and debris onto
  coastal roads. Many roads near Nantucket Harbor become
  impassable with 1 to 2 feet of water and affects access to the
  ferry terminals. This includes Easy Street, South Beach
  Street, Easton Street, Walsh Street, Willard Street, and
  Straight Wharf. Roads remain passable. Shallow pockets of
  flooding less than one foot deep affect low lying areas in
  Provincetown, mainly near the airport and Race Point Road. In
  Truro, flooding up to one foot deep affects low lying areas
  near Pamet Harbor and along the Pamet River. Dangerous
  swimming and surfing conditions and localized beach erosion.

* ADDITIONAL DETAILS...Greatest risk of moderate coastal flooding
  is along the Plymouth coastline, including the north shore of
  Cape Cod (Bay side), from Sandwich to Dennis.

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.

&&

&&

Time of high total tides are approximate to the nearest hour.

Gloucester Harbor
MLLW Categories - Minor 11.5 ft, Moderate 13.0 ft, Major 15.0 ft
MHHW Categories - Minor 2.0 ft, Moderate 3.5 ft, Major 5.5 ft

             Total      Total    Departure
 Day/Time    Tide       Tide     from Norm   Waves    Flood
            ft MLLW    ft MHHW       ft       ft      Impact
 --------  ---------  ---------  ---------  -------  --------
 20/01 AM  11.3/11.8   1.8/ 2.2   0.6/ 1.1    6-7     Minor
 20/01 PM  12.5/13.0   3.0/ 3.5   1.4/ 1.9   10-11    Minor
 21/02 AM  11.4/11.9   1.9/ 2.3   1.0/ 1.5    10      Minor
 21/02 PM  12.0/12.5   2.5/ 3.0   1.0/ 1.5     9      Minor
 22/03 AM  10.9/11.4   1.4/ 1.9   1.0/ 1.5    7-8      None

Merrimack River near Newburyport MA
MLLW Categories - Minor 11.0 ft, Moderate 12.0 ft, Major 13.5 ft
MHHW 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
 --------  ---------  ---------  ---------  -------  --------
 20/01 AM  10.0/10.5   0.5/ 1.0   0.5/ 1.0     5       None
 20/02 PM  11.4/11.9   1.9/ 2.3   1.5/ 2.0     8      Minor
 21/02 AM  10.2/10.7   0.7/ 1.1   1.0/ 1.5     7       None
 21/03 PM  11.0/11.5   1.5/ 2.0   1.0/ 1.5     8      Minor
 22/03 AM   9.8/10.3   0.2/ 0.8   1.0/ 1.5     7       None

Scituate MA
MLLW Categories - Minor 11.5 ft, Moderate 13.5 ft, Major 15.5 ft
MHHW 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
 --------  ---------  ---------  ---------  -------  --------
 20/01 AM  11.6/12.1   1.9/ 2.3   1.0/ 1.5    6-7     Minor
 20/01 PM  13.0/13.5   3.2/ 3.7   1.8/ 2.2   9-10     Minor
 21/02 AM  11.9/12.4   2.2/ 2.7   1.5/ 2.0     9      Minor
 21/02 PM  12.5/13.0   2.7/ 3.2   1.3/ 1.8     8      Minor
 22/03 AM  11.2/11.7   1.5/ 2.0   1.3/ 1.8     7       None

Buzzards Bay at 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
 --------  ---------  ---------  ---------  -------  --------
 19/10 PM   3.2/ 3.7   1.3/ 1.8   0.4/ 0.9     5       None
 20/11 AM   4.6/ 5.1   2.6/ 3.1   1.5/ 2.0     6       None
 20/11 PM   3.7/ 4.2   1.7/ 2.2   1.0/ 1.5     5       None
 21/11 AM   4.0/ 4.5   2.1/ 2.6   1.0/ 1.5    4-5      None
 22/12 AM   3.6/ 4.1   1.6/ 2.0   1.1/ 1.6     3       None
 22/12 PM   4.0/ 4.5   2.0/ 2.5   1.0/ 1.5     4       None

Chatham MA - East Coast
MLLW Categories - Minor 9.0 ft, Moderate 11.5 ft, Major 13.0 ft
MHHW Categories - Minor 1.3 ft, Moderate 3.8 ft, Major 5.3 ft

             Total      Total    Departure
 Day/Time    Tide       Tide     from Norm   Waves    Flood
            ft MLLW    ft MHHW       ft       ft      Impact
 --------  ---------  ---------  ---------  -------  --------
 20/02 AM   6.6/ 7.1  -1.1/-0.7   0.9/ 1.4     9       None
 20/02 PM   7.6/ 8.1  -0.2/ 0.3   1.6/ 2.0    11       None
 21/03 AM   6.7/ 7.2  -1.1/-0.6   1.2/ 1.7    10       None
 21/03 PM   7.3/ 7.8  -0.5/ 0.0   1.2/ 1.7     8       None
 22/04 AM   6.4/ 6.9  -1.4/-0.9   1.2/ 1.7     7       None

Chatham - South side
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
 --------  ---------  ---------  ---------  -------  --------
 20/02 AM   5.5/ 6.0   1.0/ 1.5   1.0/ 1.5     8       None
 20/02 PM   6.5/ 7.0   2.0/ 2.5   1.6/ 2.0   9-10      None
 21/03 AM   5.5/ 6.0   1.0/ 1.5   1.2/ 1.7    8-9      None
 21/03 PM   6.2/ 6.7   1.7/ 2.2   1.2/ 1.7     6       None
 22/04 AM   5.2/ 5.7   0.8/ 1.3   1.2/ 1.7     6       None

Provincetown Harbor
MLLW Categories - Minor 13.0 ft, Moderate 14.0 ft, Major 15.0 ft
MHHW 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
 --------  ---------  ---------  ---------  -------  --------
 20/01 AM  12.2/12.7   2.1/ 2.6   0.9/ 1.4     8       None
 20/02 PM  13.4/13.9   3.2/ 3.7   1.7/ 2.2   10-11    Minor
 21/02 AM  12.3/12.8   2.2/ 2.7   1.3/ 1.8    10       None
 21/02 PM  12.8/13.3   2.7/ 3.2   1.2/ 1.7     6      Minor
 22/03 AM  11.6/12.1   1.5/ 2.0   1.2/ 1.7     5       None

Dennis - Sesuit Harbor
MLLW Categories - Minor 13.0 ft, Moderate 14.5 ft, Major 16.0 ft
MHHW 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
 --------  ---------  ---------  ---------  -------  --------
 20/01 AM  12.8/13.3   2.2/ 2.7   1.1/ 1.6     6      Minor
 20/02 PM  14.3/14.8   3.7/ 4.2   2.1/ 2.6    7-8    Moderate
 21/02 AM  13.2/13.7   2.7/ 3.2   1.8/ 2.2     7      Minor
 21/02 PM  13.8/14.3   3.2/ 3.7   1.6/ 2.0    5-6     Minor
 22/03 AM  12.3/12.8   1.8/ 2.2   1.4/ 1.9     5       None

Sandwich Harbor
MLLW Categories - Minor 12.0 ft, Moderate 14.0 ft, Major 15.0 ft
MHHW 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
 --------  ---------  ---------  ---------  -------  --------
 20/01 AM  11.6/12.1   1.3/ 1.8   1.6/ 2.0     5       None
 20/02 PM  13.0/13.5   2.7/ 3.2   2.7/ 3.2    6-8     Minor
 21/02 AM  11.9/12.4   1.6/ 2.0   2.2/ 2.7     7      Minor
 21/02 PM  12.4/12.9   2.1/ 2.6   2.0/ 2.5     6      Minor
 22/03 AM  11.2/11.7   0.9/ 1.4   2.0/ 2.5     5       None

Wings Neck
MLLW Categories - Minor 6.5 ft, Moderate 9.0 ft, Major 11.5 ft
MHHW 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
 --------  ---------  ---------  ---------  -------  --------
 19/10 PM   4.5/ 5.0   0.1/ 0.6  -0.5/ 0.0     4       None
 20/11 AM   6.1/ 6.6   1.7/ 2.2   0.9/ 1.4     6       None
 20/11 PM   5.0/ 5.5   0.6/ 1.1   0.2/ 0.8     5       None
 21/12 PM   5.6/ 6.1   1.2/ 1.7   0.7/ 1.1    5-6      None
 22/12 AM   4.9/ 5.4   0.5/ 1.0   0.6/ 1.1     6       None
 22/12 PM   5.4/ 5.9   1.0/ 1.5   0.4/ 0.9    6-7      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
 --------  ---------  ---------  ---------  -------  --------
 20/02 AM   4.7/ 5.2   1.1/ 1.6   1.2/ 1.7     8       None
 20/02 PM   5.9/ 6.4   2.2/ 2.7   2.1/ 2.6    10      Minor
 21/03 AM   4.9/ 5.4   1.3/ 1.8   1.5/ 2.0    8-9     Minor
 21/03 PM   5.5/ 6.0   1.9/ 2.3   1.6/ 2.0     6      Minor
 22/04 AM   4.6/ 5.1   1.0/ 1.5   1.4/ 1.9     6       None

&&

$$