Alert archive / Massachusetts / Small Craft Advisories in 2021

Small Craft Advisory 13, NWS Boston/Norton, MA

February 5, 2021

NWS Boston/Norton, MA issued this small craft advisory at Feb 5, 2021, 3:43 AM EST. It took effect at Feb 5, 2021, 9:00 AM EST. It was in force for 30 hr.

The area

The counties it named.

The facts

Issued
Feb 5, 2021, 3:43 AM EST (08:43 UTC)
In effect from
Feb 5, 2021, 9:00 AM EST
Expired
Feb 6, 2021, 3:28 PM EST
In force
30 hr
Issued by
NWS Boston/Norton, MA

The text

As transmitted.

994 
WHUS71 KBOX 050843
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
343 AM EST Fri Feb 5 2021

ANZ250-254-051645-
/O.CAN.KBOX.SC.Y.0012.000000T0000Z-210205T0900Z/
/O.NEW.KBOX.SC.Y.0013.210205T1400Z-210206T1200Z/
/O.NEW.KBOX.GL.A.0005.210206T1200Z-210207T0000Z/
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
343 AM EST Fri Feb 5 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM THIS MORNING TO 7 AM
EST SATURDAY...
...GALE WATCH IN EFFECT FROM SATURDAY MORNING THROUGH SATURDAY
EVENING...

* WHAT...For the Small Craft Advisory, southwest winds 10 to 20 
  kt with gusts up to 30 kt and seas 4 to 6 feet expected. For 
  the Gale Watch, west winds 15 to 20 kt with gusts up to 35 kt 
  and seas 4 to 7 feet possible.

* WHERE...Coastal waters east of Ipswich Bay and the Stellwagen 
  Bank National Marine Sanctuary and Coastal waters from 
  Provincetown MA to Chatham MA to Nantucket MA out 20 nm.

* WHEN...For the Small Craft Advisory, from 9 AM this morning to 
  7 AM EST Saturday. For the Gale Watch, from Saturday morning 
  through Saturday evening.

* IMPACTS...Strong winds can cause hazardous seas which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should consider altering plans to avoid possible
hazardous conditions.  Remain in port, seek safe harbor, alter
course, and/or secure the vessel for severe wind and seas.

&&

$$

ANZ255-256-051645-
/O.NEW.KBOX.SC.Y.0013.210205T1400Z-210206T1200Z/
/O.NEW.KBOX.GL.A.0005.210206T1200Z-210207T0000Z/
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
343 AM EST Fri Feb 5 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM THIS MORNING TO 7 AM
EST SATURDAY...
...GALE WATCH IN EFFECT FROM SATURDAY MORNING THROUGH SATURDAY
EVENING...

* WHAT...For the Small Craft Advisory, southwest winds 10 to 20 
  kt with gusts up to 30 kt and seas 6 to 9 feet expected. For 
  the Gale Watch, west winds 15 to 20 kt with gusts up to 35 kt 
  and seas 7 to 11 feet possible.

* WHERE...In Massachusetts coastal waters, Coastal Waters 
  extending out to 25 nm South of Marthas Vineyard and 
  Nantucket. In Rhode Island coastal waters, Coastal Waters from 
  Montauk NY to Marthas Vineyard extending out to 20 nm South of 
  Block Island.

* WHEN...For the Small Craft Advisory, from 9 AM this morning to 
  7 AM EST Saturday. For the Gale Watch, from Saturday morning 
  through Saturday evening.

* IMPACTS...Strong winds can cause hazardous seas which could 
  capsize or damage vessels and reduce visibility.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should consider altering plans to avoid possible
hazardous conditions.  Remain in port, seek safe harbor, alter
course, and/or secure the vessel for severe wind and seas.

&&

$$

ANZ231>235-237-251-051645-
/O.NEW.KBOX.SC.Y.0013.210205T1600Z-210206T1200Z/
/O.NEW.KBOX.GL.A.0005.210206T1200Z-210207T0000Z/
Cape Cod Bay-Nantucket Sound-Vineyard Sound-Buzzards Bay-
Rhode Island Sound-Block Island Sound-
Massachusetts Bay and Ipswich Bay-
343 AM EST Fri Feb 5 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 7 AM
EST SATURDAY...
...GALE WATCH IN EFFECT FROM SATURDAY MORNING THROUGH SATURDAY
EVENING...

* WHAT...For the Small Craft Advisory, southwest winds 10 to 15 
  kt with gusts up to 30 kt and seas 4 to 6 feet expected. For 
  the Gale Watch, west winds 10 to 20 kt with gusts up to 35 kt 
  and seas 4 to 7 feet possible.

* WHERE...Portions of Massachusetts coastal waters and Rhode 
  Island coastal waters. 

* WHEN...For the Small Craft Advisory, from 11 AM this morning 
  to 7 AM EST Saturday. For the Gale Watch, from Saturday 
  morning through Saturday evening.

* IMPACTS...Strong winds can cause hazardous seas which could 
  capsize or damage vessels and reduce visibility.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should consider altering plans to avoid possible
hazardous conditions.  Remain in port, seek safe harbor, alter
course, and/or secure the vessel for severe wind and seas.

&&

$$

ANZ230-236-051645-
/O.NEW.KBOX.SC.Y.0013.210206T1200Z-210207T0000Z/
Boston Harbor-Narragansett Bay-
343 AM EST Fri Feb 5 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM TO 7 PM EST
SATURDAY...

* WHAT...Southwest winds 10 to 15 kt with gusts up to 35 kt and
  waves 2 to 3 feet expected.

* WHERE...In Massachusetts coastal waters, Boston Harbor. In 
  Rhode Island coastal waters, Narragansett Bay.

* WHEN...From 7 AM to 7 PM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

Frank
6 follow-up statements
917 
WHUS71 KBOX 051554
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
1054 AM EST Fri Feb 5 2021

ANZ250-254>256-060000-
/O.CON.KBOX.SC.Y.0013.000000T0000Z-210206T1200Z/
/O.CON.KBOX.GL.A.0005.210206T1200Z-210207T0000Z/
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
1054 AM EST Fri Feb 5 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
SATURDAY...
...GALE WATCH REMAINS IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY EVENING...

* WHAT...For the Small Craft Advisory, southwest winds 10 to 20 
  kt with gusts up to 30 kt and seas 4 to 6 feet expected. For 
  the Gale Watch, west winds 15 to 20 kt with gusts up to 35 kt 
  and seas 4 to 7 feet possible.

* WHERE...Coastal waters east of Ipswich Bay and the Stellwagen 
  Bank National Marine Sanctuary and Coastal waters from 
  Provincetown MA to Chatham MA to Nantucket MA out 20 nm.

* WHEN...For the Small Craft Advisory, from 9 AM this morning to 
  7 AM EST Saturday. For the Gale Watch, from Saturday morning 
  through Saturday evening.

* IMPACTS...Strong winds can cause hazardous seas which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should consider altering plans to avoid possible
hazardous conditions.  Remain in port, seek safe harbor, alter
course, and/or secure the vessel for severe wind and seas.

&&

$$

ANZ231>235-237-251-060000-
/O.CON.KBOX.SC.Y.0013.210205T1600Z-210206T1200Z/
/O.CON.KBOX.GL.A.0005.210206T1200Z-210207T0000Z/
Cape Cod Bay-Nantucket Sound-Vineyard Sound-Buzzards Bay-
Rhode Island Sound-Block Island Sound-
Massachusetts Bay and Ipswich Bay-
1054 AM EST Fri Feb 5 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
SATURDAY...
...GALE WATCH REMAINS IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY EVENING...

* WHAT...For the Small Craft Advisory, southwest winds 10 to 15 
  kt with gusts up to 30 kt and seas 4 to 6 feet expected. For 
  the Gale Watch, west winds 10 to 20 kt with gusts up to 35 kt 
  and seas 4 to 7 feet possible.

* WHERE...Portions of Massachusetts coastal waters and Rhode 
  Island coastal waters.

* WHEN...For the Small Craft Advisory, from 11 AM this morning 
  to 7 AM EST Saturday. For the Gale Watch, from Saturday 
  morning through Saturday evening.

* IMPACTS...Strong winds can cause hazardous seas which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should consider altering plans to avoid possible
hazardous conditions.  Remain in port, seek safe harbor, alter
course, and/or secure the vessel for severe wind and seas.

&&

$$

ANZ230-236-060000-
/O.CON.KBOX.SC.Y.0013.210206T1200Z-210207T0000Z/
Boston Harbor-Narragansett Bay-
1054 AM EST Fri Feb 5 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 AM TO 7 PM EST
SATURDAY...

* WHAT...Southwest winds 10 to 15 kt with gusts up to 35 kt and 
  waves 2 to 3 feet expected.

* WHERE...In Massachusetts coastal waters, Boston Harbor. In 
  Rhode Island coastal waters, Narragansett Bay.

* WHEN...From 7 AM to 7 PM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$
989 
WHUS71 KBOX 052135
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
435 PM EST Fri Feb 5 2021

ANZ250-254>256-060545-
/O.CON.KBOX.SC.Y.0013.000000T0000Z-210206T1200Z/
/O.CON.KBOX.GL.A.0005.210206T1200Z-210207T0000Z/
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
435 PM EST Fri Feb 5 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
SATURDAY...
...GALE WATCH REMAINS IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY EVENING...

* WHAT...For the Small Craft Advisory, southwest winds 10 to 20 
  kt with gusts up to 30 kt and seas 4 to 7 feet. For the Gale 
  Watch, west winds 20 to 25 kt with gusts up to 35 kt and seas 
  6 to 9 feet possible.

* WHERE...In Massachusetts coastal waters, Coastal waters east 
  of Ipswich Bay and the Stellwagen Bank National Marine 
  Sanctuary, Coastal waters from Provincetown MA to Chatham MA 
  to Nantucket MA out 20 nm and Coastal Waters extending out to 
  25 nm South of Marthas Vineyard and Nantucket. In Rhode Island 
  coastal waters, Coastal Waters from Montauk NY to Marthas 
  Vineyard extending out to 20 nm South of Block Island.

* WHEN...For the Small Craft Advisory, until 7 AM EST Saturday. 
  For the Gale Watch, from Saturday morning through Saturday 
  evening.

* IMPACTS...Strong winds can cause hazardous seas which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should consider altering plans to avoid possible
hazardous conditions.  Remain in port, seek safe harbor, alter
course, and/or secure the vessel for severe wind and seas.

&&

$$

ANZ231>235-237-251-060545-
/O.CON.KBOX.SC.Y.0013.000000T0000Z-210206T1200Z/
/O.CON.KBOX.GL.A.0005.210206T1200Z-210207T0000Z/
Cape Cod Bay-Nantucket Sound-Vineyard Sound-Buzzards Bay-
Rhode Island Sound-Block Island Sound-
Massachusetts Bay and Ipswich Bay-
435 PM EST Fri Feb 5 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
SATURDAY...
...GALE WATCH REMAINS IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY EVENING...

* WHAT...For the Small Craft Advisory, west winds 10 to 20 kt 
  with gusts up to 30 kt and seas 2 to 4 feet. For the Gale 
  Watch, west winds 15 to 25 kt with gusts up to 35 kt and seas 
  4 to 7 feet possible.

* WHERE...Portions of Massachusetts coastal waters and Rhode 
  Island coastal waters. 

* WHEN...For the Small Craft Advisory, until 7 AM EST Saturday. 
  For the Gale Watch, from Saturday morning through Saturday 
  evening.

* IMPACTS...Strong winds can cause hazardous seas which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should consider altering plans to avoid possible
hazardous conditions.  Remain in port, seek safe harbor, alter
course, and/or secure the vessel for severe wind and seas.

&&

$$

ANZ230-236-060545-
/O.CON.KBOX.SC.Y.0013.210206T1200Z-210207T0000Z/
Boston Harbor-Narragansett Bay-
435 PM EST Fri Feb 5 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 AM TO 7 PM EST
SATURDAY...

* WHAT...West winds 15 to 20 kt with gusts up to 30 kt and waves 
  2 to 4 feet expected.

* WHERE...In Massachusetts coastal waters, Boston Harbor. In 
  Rhode Island coastal waters, Narragansett Bay.

* WHEN...From 7 AM to 7 PM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$
507 
WHUS71 KBOX 060223
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
923 PM EST Fri Feb 5 2021

ANZ250-254>256-061030-
/O.CON.KBOX.SC.Y.0013.000000T0000Z-210206T1200Z/
/O.CON.KBOX.GL.A.0005.210206T1200Z-210207T0000Z/
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
923 PM EST Fri Feb 5 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
SATURDAY...
...GALE WATCH REMAINS IN EFFECT FROM 7 AM EST SATURDAY THROUGH
SATURDAY EVENING...

* WHAT...For the Small Craft Advisory, west winds 10 to 20 kt 
  with gusts up to 35 kt and seas 4 to 7 feet. For the Gale 
  Watch, west winds 15 to 25 kt with gusts up to 35 kt and seas 
  6 to 9 feet possible.

* WHERE...In Massachusetts coastal waters, Coastal waters east 
  of Ipswich Bay and the Stellwagen Bank National Marine 
  Sanctuary, Coastal waters from Provincetown MA to Chatham MA 
  to Nantucket MA out 20 nm and Coastal Waters extending out to 
  25 nm South of Marthas Vineyard and Nantucket. In Rhode Island 
  coastal waters, Coastal Waters from Montauk NY to Marthas 
  Vineyard extending out to 20 nm South of Block Island.

* WHEN...For the Small Craft Advisory, until 7 AM EST Saturday. 
  For the Gale Watch, from 7 AM EST Saturday through Saturday 
  evening.

* IMPACTS...Strong winds can cause hazardous seas which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should consider altering plans to avoid possible
hazardous conditions.  Remain in port, seek safe harbor, alter
course, and/or secure the vessel for severe wind and seas.

&&

$$

ANZ231>235-237-251-061030-
/O.CON.KBOX.SC.Y.0013.000000T0000Z-210206T1200Z/
/O.CON.KBOX.GL.A.0005.210206T1200Z-210207T0000Z/
Cape Cod Bay-Nantucket Sound-Vineyard Sound-Buzzards Bay-
Rhode Island Sound-Block Island Sound-
Massachusetts Bay and Ipswich Bay-
923 PM EST Fri Feb 5 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
SATURDAY...
...GALE WATCH REMAINS IN EFFECT FROM 7 AM EST SATURDAY THROUGH
SATURDAY EVENING...

* WHAT...For the Small Craft Advisory, west winds 10 to 15 kt 
  with gusts up to 30 kt and seas 3 to 5 feet. For the Gale 
  Watch, west winds 15 to 25 kt with gusts up to 35 kt and seas 
  4 to 7 feet possible.

* WHERE...Portions of Massachusetts coastal waters and Rhode 
  Island coastal waters. 

* WHEN...For the Small Craft Advisory, until 7 AM EST Saturday. 
  For the Gale Watch, from 7 AM EST Saturday through Saturday 
  evening.

* IMPACTS...Strong winds can cause hazardous seas which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should consider altering plans to avoid possible
hazardous conditions.  Remain in port, seek safe harbor, alter
course, and/or secure the vessel for severe wind and seas.

&&

$$

ANZ230-236-061030-
/O.CON.KBOX.SC.Y.0013.210206T1200Z-210207T0000Z/
Boston Harbor-Narragansett Bay-
923 PM EST Fri Feb 5 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 AM TO 7 PM EST
SATURDAY...

* WHAT...West winds 10 to 20 kt with gusts up to 30 kt and waves 
  2 to 4 feet expected.

* WHERE...In Massachusetts coastal waters, Boston Harbor. In 
  Rhode Island coastal waters, Narragansett Bay.

* WHEN...From 7 AM to 7 PM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$
175 
WHUS71 KBOX 060825
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
325 AM EST Sat Feb 6 2021

ANZ231>235-237-251-061630-
/O.CAN.KBOX.SC.Y.0013.000000T0000Z-210206T1200Z/
/O.UPG.KBOX.GL.A.0005.210206T1200Z-210207T0000Z/
/O.NEW.KBOX.GL.W.0008.210206T1200Z-210207T0000Z/
Cape Cod Bay-Nantucket Sound-Vineyard Sound-Buzzards Bay-
Rhode Island Sound-Block Island Sound-
Massachusetts Bay and Ipswich Bay-
325 AM EST Sat Feb 6 2021

...GALE WARNING IN EFFECT FROM 7 AM THIS MORNING TO 7 PM EST THIS
EVENING...

* WHAT...West winds 15 to 25 kt with gusts up to 35 kt and seas 4
  to 7 feet expected.

* WHERE...Portions of Massachusetts coastal waters and Rhode 
  Island coastal waters. 

* WHEN...From 7 AM this morning to 7 PM EST this evening.

* IMPACTS...Strong winds will cause hazardous seas which could 
  capsize or damage vessels and reduce visibility.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

ANZ250-254>256-061630-
/O.CAN.KBOX.SC.Y.0013.000000T0000Z-210206T1200Z/
/O.UPG.KBOX.GL.A.0005.210206T1200Z-210207T0000Z/
/O.NEW.KBOX.GL.W.0008.210206T1200Z-210207T0000Z/
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
325 AM EST Sat Feb 6 2021

...GALE WARNING IN EFFECT FROM 7 AM THIS MORNING TO 7 PM EST THIS
EVENING...

* WHAT...West winds 15 to 25 kt with gusts up to 35 kt and seas 6
  to 9 feet expected.

* WHERE...In Massachusetts coastal waters, Coastal waters east 
  of Ipswich Bay and the Stellwagen Bank National Marine 
  Sanctuary, Coastal waters from Provincetown MA to Chatham MA 
  to Nantucket MA out 20 nm and Coastal Waters extending out to 
  25 nm South of Marthas Vineyard and Nantucket. In Rhode Island 
  coastal waters, Coastal Waters from Montauk NY to Marthas 
  Vineyard extending out to 20 nm South of Block Island.

* WHEN...From 7 AM this morning to 7 PM EST this evening.

* IMPACTS...Strong winds will cause hazardous seas which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

ANZ230-236-061630-
/O.CON.KBOX.SC.Y.0013.210206T1200Z-210207T0000Z/
Boston Harbor-Narragansett Bay-
325 AM EST Sat Feb 6 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 AM THIS MORNING
TO 7 PM EST THIS EVENING...

* WHAT...West winds 10 to 20 kt with gusts up to 30 kt and waves 
  2 to 4 feet expected.

* WHERE...In Massachusetts coastal waters, Boston Harbor. In 
  Rhode Island coastal waters, Narragansett Bay.

* WHEN...From 7 AM this morning to 7 PM EST this evening.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

Frank
439 
WHUS71 KBOX 061608
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
1108 AM EST Sat Feb 6 2021

ANZ250-254>256-070000-
/O.CON.KBOX.GL.W.0008.000000T0000Z-210207T0000Z/
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
1108 AM EST Sat Feb 6 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING...

* WHAT...West winds 15 to 25 kt with gusts up to 35 kt and seas 
  6 to 9 feet expected.

* WHERE...In Massachusetts coastal waters, Coastal waters east 
  of Ipswich Bay and the Stellwagen Bank National Marine 
  Sanctuary, Coastal waters from Provincetown MA to Chatham MA 
  to Nantucket MA out 20 nm and Coastal Waters extending out to 
  25 nm South of Marthas Vineyard and Nantucket. In Rhode Island 
  coastal waters, Coastal Waters from Montauk NY to Marthas 
  Vineyard extending out to 20 nm South of Block Island.

* WHEN...From 7 AM this morning to 7 PM EST this evening.

* IMPACTS...Strong winds will cause hazardous seas which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

ANZ231>235-237-251-070000-
/O.CON.KBOX.GL.W.0008.000000T0000Z-210207T0000Z/
Cape Cod Bay-Nantucket Sound-Vineyard Sound-Buzzards Bay-
Rhode Island Sound-Block Island Sound-
Massachusetts Bay and Ipswich Bay-
1108 AM EST Sat Feb 6 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING...

* WHAT...West winds 15 to 25 kt with gusts up to 35 kt and seas 
  4 to 7 feet expected.

* WHERE...Portions of Massachusetts coastal waters and Rhode 
  Island coastal waters.

* WHEN...From 7 AM this morning to 7 PM EST this evening.

* IMPACTS...Strong winds will cause hazardous seas which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

ANZ230-236-070000-
/O.CON.KBOX.SC.Y.0013.000000T0000Z-210207T0000Z/
Boston Harbor-Narragansett Bay-
1108 AM EST Sat Feb 6 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST THIS
EVENING...

* WHAT...West winds 10 to 20 kt with gusts up to 30 kt and waves 
  2 to 4 feet expected.

* WHERE...In Massachusetts coastal waters, Boston Harbor. In 
  Rhode Island coastal waters, Narragansett Bay.

* WHEN...From 7 AM this morning to 7 PM EST this evening.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$
721 
WHUS71 KBOX 062028
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
328 PM EST Sat Feb 6 2021

ANZ250-254>256-070430-
/O.CAN.KBOX.GL.W.0008.000000T0000Z-210207T0000Z/
/O.NEW.KBOX.GL.W.0009.210207T1200Z-210208T0600Z/
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
328 PM EST Sat Feb 6 2021

...GALE WARNING IN EFFECT FROM 7 AM SUNDAY TO 1 AM EST MONDAY...
...GALE WARNING IS CANCELLED...

* WHAT...Northeast winds 20 to 30 kt with gusts up to 45 kt and 
  seas 6 to 9 feet expected.

* WHERE...In Massachusetts coastal waters, Coastal waters east 
  of Ipswich Bay and the Stellwagen Bank National Marine 
  Sanctuary, Coastal waters from Provincetown MA to Chatham MA 
  to Nantucket MA out 20 nm and Coastal Waters extending out to 
  25 nm South of Marthas Vineyard and Nantucket. In Rhode Island 
  coastal waters, Coastal Waters from Montauk NY to Marthas 
  Vineyard extending out to 20 nm South of Block Island.

* WHEN...From 7 AM Sunday to 1 AM EST Monday.

* IMPACTS...Strong winds will cause hazardous seas which could 
  capsize or damage vessels and reduce visibility.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

ANZ231>235-237-251-070430-
/O.CAN.KBOX.GL.W.0008.000000T0000Z-210207T0000Z/
/O.NEW.KBOX.GL.W.0009.210207T1200Z-210208T0600Z/
Cape Cod Bay-Nantucket Sound-Vineyard Sound-Buzzards Bay-
Rhode Island Sound-Block Island Sound-
Massachusetts Bay and Ipswich Bay-
328 PM EST Sat Feb 6 2021

...GALE WARNING IN EFFECT FROM 7 AM SUNDAY TO 1 AM EST MONDAY...
...GALE WARNING IS CANCELLED...

* WHAT...Northeast winds 15 to 25 kt with gusts up to 40 kt and 
  seas 3 to 5 feet expected.

* WHERE...Portions of Massachusetts coastal waters and Rhode 
  Island coastal waters. 

* WHEN...From 7 AM Sunday to 1 AM EST Monday.

* IMPACTS...Strong winds will cause hazardous seas which could 
  capsize or damage vessels and reduce visibility.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

ANZ230-236-070430-
/O.CAN.KBOX.SC.Y.0013.000000T0000Z-210207T0000Z/
/O.NEW.KBOX.SC.Y.0014.210207T1800Z-210208T0600Z/
Boston Harbor-Narragansett Bay-
328 PM EST Sat Feb 6 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM SUNDAY TO 1 AM EST
MONDAY...
...SMALL CRAFT ADVISORY IS CANCELLED...

* WHAT...North winds 10 to 15 kt with gusts up to 25 kt and 
  waves 1 to 3 feet expected.

* WHERE...In Massachusetts coastal waters, Boston Harbor. In 
  Rhode Island coastal waters, Narragansett Bay.

* WHEN...From 1 PM Sunday to 1 AM EST Monday.

* IMPACTS...Conditions will be hazardous to small craft.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

The office that day

Everything else NWS Boston/Norton, MA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 5, 3:43 AM ESTGale WatchBOX24 hr
Feb 5, 3:27 PM ESTWinter Storm WatchBOXBarnstable, Bristol, Dukes, Essex, Hampden, Hampshire and 6 more24 hr

Nearby

Small Craft Advisories in Massachusetts, 2021Every small craft advisory in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.