Alert archive / Massachusetts / Small Craft Advisories in 2021

Small Craft Advisory 28, NWS Boston/Norton, MA

March 10, 2021

NWS Boston/Norton, MA issued this small craft advisory at Mar 10, 2021, 3:05 AM EST. It took effect at Mar 11, 2021, 7:00 AM EST. It was in force for 20 hr.

The area

The counties it named.

The facts

Issued
Mar 10, 2021, 3:05 AM EST (08:05 UTC)
In effect from
Mar 11, 2021, 7:00 AM EST
Expired
Mar 12, 2021, 2:55 AM EST
In force
20 hr
Issued by
NWS Boston/Norton, MA

The text

As transmitted.

089 
WHUS71 KBOX 100805
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
305 AM EST Wed Mar 10 2021

ANZ250-254>256-102115-
/O.NEW.KBOX.SC.Y.0028.210311T1200Z-210312T1200Z/
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-
305 AM EST Wed Mar 10 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM THURSDAY TO 7 AM EST
FRIDAY...

* WHAT...Southwest winds 15 to 25 kt with gusts up to 30 kt and 
  seas 5 to 8 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 Thursday to 7 AM EST Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ANZ231>235-237-251-102115-
/O.NEW.KBOX.SC.Y.0028.210311T1600Z-210312T1200Z/
Cape Cod Bay-Nantucket Sound-Vineyard Sound-Buzzards Bay-
Rhode Island Sound-Block Island Sound-
Massachusetts Bay and Ipswich Bay-
305 AM EST Wed Mar 10 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM THURSDAY TO 7 AM EST
FRIDAY...

* WHAT...Southwest winds 15 to 20 kt with gusts up to 30 kt and 
  seas 3 to 5 feet expected.

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

* WHEN...From 11 AM Thursday to 7 AM EST Friday.

* 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
969 
WHUS71 KBOX 102025
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
325 PM EST Wed Mar 10 2021

ANZ250-254>256-110930-
/O.CON.KBOX.SC.Y.0028.210311T1200Z-210312T1200Z/
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 PM EST Wed Mar 10 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 AM THURSDAY TO
7 AM EST FRIDAY...

* WHAT...Southwest winds 15 to 25 kt with gusts up to 30 kt and 
  seas 5 to 8 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 Thursday to 7 AM EST Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ANZ231>235-237-251-110930-
/O.CON.KBOX.SC.Y.0028.210311T1600Z-210312T1200Z/
Cape Cod Bay-Nantucket Sound-Vineyard Sound-Buzzards Bay-
Rhode Island Sound-Block Island Sound-
Massachusetts Bay and Ipswich Bay-
325 PM EST Wed Mar 10 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 AM THURSDAY TO
7 AM EST FRIDAY...

* WHAT...Southwest winds 15 to 20 kt with gusts up to 30 kt and 
  seas 3 to 5 feet expected.

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

* WHEN...From 11 AM Thursday to 7 AM EST Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
222 
WHUS71 KBOX 110828
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
328 AM EST Thu Mar 11 2021

ANZ230-236-112130-
/O.EXA.KBOX.SC.Y.0028.210311T1600Z-210312T1200Z/
/O.NEW.KBOX.GL.A.0010.210313T0300Z-210313T2100Z/
Boston Harbor-Narragansett Bay-
328 AM EST Thu Mar 11 2021

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

* WHAT...For the Small Craft Advisory, southwest winds 10 to 15 
  kt with gusts up to 30 kt and waves 1 to 3 feet expected. For 
  the Gale Watch, northwest winds 15 to 20 kt with gusts up to 
  40 kt and waves 1 to 3 feet possible.

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

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

* IMPACTS...Strong winds can cause hazardous waves 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.

&&

$$

ANZ250-112130-
/O.EXT.KBOX.SC.Y.0028.210311T1200Z-210312T1500Z/
/O.NEW.KBOX.GL.A.0010.210313T0300Z-210313T2100Z/
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
328 AM EST Thu Mar 11 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 7 AM THIS MORNING TO
10 AM EST FRIDAY...
...GALE WATCH IN EFFECT FROM FRIDAY EVENING THROUGH SATURDAY
AFTERNOON...

* WHAT...For the Small Craft Advisory, southwest winds 15 to 25 
  kt with gusts up to 30 kt and seas 4 to 6 feet expected. For 
  the Gale Watch, northwest winds 20 to 30 kt with gusts up to 
  45 kt and seas 5 to 8 feet possible.

* WHERE...Coastal waters east of Ipswich Bay and the Stellwagen 
  Bank National Marine Sanctuary.

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

* 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 waves.

&&

$$

ANZ254>256-112130-
/O.EXT.KBOX.SC.Y.0028.210311T1200Z-210313T0000Z/
/O.NEW.KBOX.GL.A.0010.210313T0300Z-210313T2100Z/
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 AM EST Thu Mar 11 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 7 AM THIS MORNING TO
7 PM EST FRIDAY...
...GALE WATCH IN EFFECT FROM FRIDAY EVENING THROUGH SATURDAY
AFTERNOON...

* WHAT...For the Small Craft Advisory, southwest winds 15 to 25 
  kt with gusts up to 30 kt and seas 5 to 8 feet expected. For 
  the Gale Watch, northwest winds 20 to 30 kt with gusts up to 
  45 kt and seas 6 to 9 feet possible.

* WHERE...In Massachusetts coastal waters, 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, from 7 AM this morning to 
  7 PM EST Friday. For the Gale Watch, from Friday evening 
  through Saturday afternoon.

* 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>234-251-112130-
/O.EXT.KBOX.SC.Y.0028.210311T1400Z-210312T1500Z/
/O.NEW.KBOX.GL.A.0010.210313T0300Z-210313T2100Z/
Cape Cod Bay-Nantucket Sound-Vineyard Sound-Buzzards Bay-
Massachusetts Bay and Ipswich Bay-
328 AM EST Thu Mar 11 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 9 AM THIS MORNING TO
10 AM EST FRIDAY...
...GALE WATCH IN EFFECT FROM FRIDAY EVENING THROUGH SATURDAY
AFTERNOON...

* WHAT...For the Small Craft Advisory, southwest winds 10 to 20 
  kt with gusts up to 30 kt and seas 2 to 4 feet expected. For 
  the Gale Watch, northwest winds 15 to 25 kt with gusts up to 
  45 kt and seas 3 to 5 feet possible.

* WHERE...Cape Cod Bay, Nantucket Sound, Vineyard Sound, 
  Buzzards Bay and Massachusetts Bay and Ipswich Bay.

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

* 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.

&&

$$

ANZ235-237-112130-
/O.EXT.KBOX.SC.Y.0028.210311T1400Z-210312T2000Z/
/O.NEW.KBOX.GL.A.0010.210313T0300Z-210313T2100Z/
Rhode Island Sound-Block Island Sound-
328 AM EST Thu Mar 11 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 9 AM THIS MORNING TO
3 PM EST FRIDAY...
...GALE WATCH IN EFFECT FROM FRIDAY EVENING THROUGH SATURDAY
AFTERNOON...

* WHAT...For the Small Craft Advisory, southwest winds 10 to 20 
  kt with gusts up to 30 kt and seas 4 to 7 feet expected. For 
  the Gale Watch, northwest winds 15 to 25 kt with gusts up to 
  45 kt and seas 4 to 6 feet possible.

* WHERE...Rhode Island Sound and Block Island Sound.

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

* 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.

&&

$$
496 
WHUS71 KBOX 111511
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
1011 AM EST Thu Mar 11 2021

ANZ250-120415-
/O.CON.KBOX.SC.Y.0028.000000T0000Z-210312T1500Z/
/O.CON.KBOX.GL.A.0010.210313T0300Z-210313T2100Z/
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
1011 AM EST Thu Mar 11 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST
FRIDAY...
...GALE WATCH REMAINS IN EFFECT FROM FRIDAY EVENING THROUGH
SATURDAY AFTERNOON...

* WHAT...For the Small Craft Advisory, southwest winds 15 to 25 
  kt with gusts up to 30 kt and seas 4 to 6 feet expected. For 
  the Gale Watch, northwest winds 20 to 30 kt with gusts up to 
  45 kt and seas 5 to 8 feet possible.

* WHERE...Coastal waters east of Ipswich Bay and the Stellwagen 
  Bank National Marine Sanctuary.

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

* 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 waves.

&&

$$

ANZ254>256-120415-
/O.CON.KBOX.SC.Y.0028.000000T0000Z-210313T0000Z/
/O.CON.KBOX.GL.A.0010.210313T0300Z-210313T2100Z/
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-
1011 AM EST Thu Mar 11 2021

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

* WHAT...For the Small Craft Advisory, southwest winds 15 to 25 
  kt with gusts up to 30 kt and seas 5 to 8 feet expected. For 
  the Gale Watch, northwest winds 20 to 30 kt with gusts up to 
  45 kt and seas 6 to 9 feet possible.

* WHERE...In Massachusetts coastal waters, 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, from 7 AM this morning to 
  7 PM EST Friday. For the Gale Watch, from Friday evening 
  through Saturday afternoon.

* 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>234-251-120415-
/O.CON.KBOX.SC.Y.0028.000000T0000Z-210312T1500Z/
/O.CON.KBOX.GL.A.0010.210313T0300Z-210313T2100Z/
Cape Cod Bay-Nantucket Sound-Vineyard Sound-Buzzards Bay-
Massachusetts Bay and Ipswich Bay-
1011 AM EST Thu Mar 11 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST
FRIDAY...
...GALE WATCH REMAINS IN EFFECT FROM FRIDAY EVENING THROUGH
SATURDAY AFTERNOON...

* WHAT...For the Small Craft Advisory, southwest winds 10 to 20 
  kt with gusts up to 30 kt and seas 2 to 4 feet expected. For 
  the Gale Watch, northwest winds 15 to 25 kt with gusts up to 
  45 kt and seas 3 to 5 feet possible.

* WHERE...Cape Cod Bay, Nantucket Sound, Vineyard Sound, 
  Buzzards Bay and Massachusetts Bay and Ipswich Bay.

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

* 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.

&&

$$

ANZ235-237-120415-
/O.CON.KBOX.SC.Y.0028.000000T0000Z-210312T2000Z/
/O.CON.KBOX.GL.A.0010.210313T0300Z-210313T2100Z/
Rhode Island Sound-Block Island Sound-
1011 AM EST Thu Mar 11 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM EST FRIDAY...
...GALE WATCH REMAINS IN EFFECT FROM FRIDAY EVENING THROUGH
SATURDAY AFTERNOON...

* WHAT...For the Small Craft Advisory, southwest winds 10 to 20 
  kt with gusts up to 30 kt and seas 4 to 7 feet expected. For 
  the Gale Watch, northwest winds 15 to 25 kt with gusts up to 
  45 kt and seas 4 to 6 feet possible.

* WHERE...Rhode Island Sound and Block Island Sound.

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

* 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.

&&

$$

ANZ230-236-120415-
/O.CON.KBOX.SC.Y.0028.210311T1600Z-210312T1200Z/
/O.CON.KBOX.GL.A.0010.210313T0300Z-210313T2100Z/
Boston Harbor-Narragansett Bay-
1011 AM EST Thu Mar 11 2021

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

* WHAT...For the Small Craft Advisory, southwest winds 10 to 15 
  kt with gusts up to 30 kt and waves 1 to 3 feet expected. For 
  the Gale Watch, northwest winds 15 to 20 kt with gusts up to 
  40 kt and waves 1 to 3 feet possible.

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

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

* IMPACTS...Strong winds can cause hazardous waves 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.

&&

$$
806 
WHUS71 KBOX 112128
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
428 PM EST Thu Mar 11 2021

ANZ254>256-121030-
/O.EXT.KBOX.SC.Y.0028.000000T0000Z-210313T0300Z/
/O.CON.KBOX.GL.A.0010.210313T0300Z-210313T2100Z/
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-
428 PM EST Thu Mar 11 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 PM EST FRIDAY...
...GALE WATCH REMAINS IN EFFECT FROM FRIDAY EVENING THROUGH
SATURDAY AFTERNOON...

* WHAT...For the Small Craft Advisory, southwest winds 15 to 25 
  kt with gusts up to 30 kt and seas 4 to 7 feet. For the Gale 
  Watch, northwest winds 25 to 35 kt with gusts up to 40 kt and 
  seas 7 to 10 feet possible.

* WHERE...In Massachusetts coastal waters, 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 10 PM EST Friday. 
  For the Gale Watch, from Friday evening through Saturday 
  afternoon.

* 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>234-251-121030-
/O.EXT.KBOX.SC.Y.0028.000000T0000Z-210312T1200Z/
/O.CON.KBOX.GL.A.0010.210313T0300Z-210313T2100Z/
Cape Cod Bay-Nantucket Sound-Vineyard Sound-Buzzards Bay-
Massachusetts Bay and Ipswich Bay-
428 PM EST Thu Mar 11 2021

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

* WHAT...For the Small Craft Advisory, southwest winds 15 to 20 
  kt with gusts up to 30 kt and seas 2 to 4 feet. For the Gale 
  Watch, northwest winds 20 to 30 kt with gusts up to 40 kt and 
  seas 3 to 5 feet possible.

* WHERE...Nantucket Sound, Vineyard Sound, Cape Cod Bay, 
  Buzzards Bay and Massachusetts Bay and Ipswich Bay.

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

* 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.

&&

$$

ANZ250-121030-
/O.CON.KBOX.SC.Y.0028.000000T0000Z-210312T1500Z/
/O.CON.KBOX.GL.A.0010.210313T0300Z-210313T2100Z/
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
428 PM EST Thu Mar 11 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST
FRIDAY...
...GALE WATCH REMAINS IN EFFECT FROM FRIDAY EVENING THROUGH
SATURDAY AFTERNOON...

* WHAT...For the Small Craft Advisory, southwest winds 15 to 20 
  kt with gusts up to 30 kt and seas 3 to 5 feet. For the Gale 
  Watch, northwest winds 25 to 35 kt with gusts up to 45 kt and 
  seas 6 to 9 feet possible.

* WHERE...Coastal waters east of Ipswich Bay and the Stellwagen 
  Bank National Marine Sanctuary.

* WHEN...For the Small Craft Advisory, until 10 AM EST Friday. 
  For the Gale Watch, from Friday evening through Saturday 
  afternoon.

* 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.

&&

$$

ANZ235-237-121030-
/O.CON.KBOX.SC.Y.0028.000000T0000Z-210312T2000Z/
/O.CON.KBOX.GL.A.0010.210313T0300Z-210313T2100Z/
Rhode Island Sound-Block Island Sound-
428 PM EST Thu Mar 11 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM EST FRIDAY...
...GALE WATCH REMAINS IN EFFECT FROM FRIDAY EVENING THROUGH
SATURDAY AFTERNOON...

* WHAT...For the Small Craft Advisory, southwest winds 10 to 20 
  kt with gusts up to 30 kt and seas 4 to 6 feet. For the Gale 
  Watch, northwest winds 20 to 30 kt with gusts up to 35 kt and 
  seas 3 to 5 feet possible.

* WHERE...Block Island Sound and Rhode Island Sound.

* WHEN...For the Small Craft Advisory, until 3 PM EST Friday. 
  For the Gale Watch, from Friday evening through Saturday 
  afternoon.

* 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.

&&

$$

ANZ230-236-121030-
/O.CON.KBOX.SC.Y.0028.000000T0000Z-210312T1200Z/
/O.CON.KBOX.GL.A.0010.210313T0300Z-210313T2100Z/
Boston Harbor-Narragansett Bay-
428 PM EST Thu Mar 11 2021

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

* WHAT...For the Small Craft Advisory, southwest winds 10 to 15 
  kt with gusts up to 25 kt and waves 1 to 3 feet. For the Gale 
  Watch, northwest winds 15 to 25 kt with gusts up to 40 kt and 
  waves 1 to 3 feet possible.

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

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

* IMPACTS...Strong winds can cause hazardous waves 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.

&&

$$
587 
WHUS71 KBOX 120222
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
922 PM EST Thu Mar 11 2021

ANZ250-121530-
/O.CON.KBOX.SC.Y.0028.000000T0000Z-210312T1500Z/
/O.CON.KBOX.GL.A.0010.210313T0300Z-210313T2100Z/
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
922 PM EST Thu Mar 11 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST
FRIDAY...
...GALE WATCH REMAINS IN EFFECT FROM FRIDAY EVENING THROUGH
SATURDAY AFTERNOON...

* WHAT...For the Small Craft Advisory, southwest winds 15 to 20 
  kt with gusts up to 30 kt and seas 3 to 5 feet. For the Gale 
  Watch, northwest winds 25 to 35 kt with gusts up to 45 kt and 
  seas 6 to 9 feet possible.

* WHERE...Coastal waters east of Ipswich Bay and the Stellwagen 
  Bank National Marine Sanctuary.

* WHEN...For the Small Craft Advisory, until 10 AM EST Friday. 
  For the Gale Watch, from Friday evening through Saturday 
  afternoon.

* 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.

&&

$$

ANZ254>256-121530-
/O.CON.KBOX.SC.Y.0028.000000T0000Z-210313T0300Z/
/O.CON.KBOX.GL.A.0010.210313T0300Z-210313T2100Z/
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-
922 PM EST Thu Mar 11 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EST
FRIDAY...
...GALE WATCH REMAINS IN EFFECT FROM FRIDAY EVENING THROUGH
SATURDAY AFTERNOON...

* 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, northwest winds 25 to 35 kt with gusts up to 40 kt and 
  seas 7 to 10 feet possible.

* WHERE...In Massachusetts coastal waters, 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 10 PM EST Friday. 
  For the Gale Watch, from Friday evening through Saturday 
  afternoon.

* 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>234-251-121530-
/O.CON.KBOX.SC.Y.0028.000000T0000Z-210312T1200Z/
/O.CON.KBOX.GL.A.0010.210313T0300Z-210313T2100Z/
Cape Cod Bay-Nantucket Sound-Vineyard Sound-Buzzards Bay-
Massachusetts Bay and Ipswich Bay-
922 PM EST Thu Mar 11 2021

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

* WHAT...For the Small Craft Advisory, southwest winds 10 to 20 
  kt with gusts up to 30 kt and seas 2 to 4 feet. For the Gale 
  Watch, northwest winds 20 to 30 kt with gusts up to 40 kt and 
  seas 3 to 5 feet possible.

* WHERE...Nantucket Sound, Vineyard Sound, Cape Cod Bay, 
  Buzzards Bay and Massachusetts Bay and Ipswich Bay.

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

* 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.

&&

$$

ANZ235-237-121530-
/O.CON.KBOX.SC.Y.0028.000000T0000Z-210312T2000Z/
/O.CON.KBOX.GL.A.0010.210313T0300Z-210313T2100Z/
Rhode Island Sound-Block Island Sound-
922 PM EST Thu Mar 11 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM EST FRIDAY...
...GALE WATCH REMAINS IN EFFECT FROM FRIDAY EVENING THROUGH
SATURDAY AFTERNOON...

* WHAT...For the Small Craft Advisory, southwest winds 10 to 20 
  kt with gusts up to 30 kt and seas 4 to 6 feet. For the Gale 
  Watch, northwest winds 20 to 30 kt with gusts up to 35 kt and 
  seas 3 to 5 feet possible.

* WHERE...Block Island Sound and Rhode Island Sound.

* WHEN...For the Small Craft Advisory, until 3 PM EST Friday. 
  For the Gale Watch, from Friday evening through Saturday 
  afternoon.

* 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.

&&

$$

ANZ230-236-121530-
/O.CON.KBOX.SC.Y.0028.000000T0000Z-210312T1200Z/
/O.CON.KBOX.GL.A.0010.210313T0300Z-210313T2100Z/
Boston Harbor-Narragansett Bay-
922 PM EST Thu Mar 11 2021

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

* WHAT...For the Small Craft Advisory, southwest winds 10 to 15 
  kt with gusts up to 25 kt and waves 1 to 3 feet. For the Gale 
  Watch, northwest winds 15 to 25 kt with gusts up to 40 kt and 
  waves 1 to 3 feet possible.

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

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

* IMPACTS...Strong winds can cause hazardous waves 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.

&&

$$
074 
WHUS71 KBOX 120755
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
255 AM EST Fri Mar 12 2021

ANZ231>234-251-122100-
/O.CAN.KBOX.SC.Y.0028.000000T0000Z-210312T1200Z/
/O.UPG.KBOX.GL.A.0010.210313T0300Z-210313T2100Z/
/O.NEW.KBOX.GL.W.0015.210313T0300Z-210313T1700Z/
Cape Cod Bay-Nantucket Sound-Vineyard Sound-Buzzards Bay-
Massachusetts Bay and Ipswich Bay-
255 AM EST Fri Mar 12 2021

...GALE WARNING IN EFFECT FROM 10 PM THIS EVENING TO NOON EST
SATURDAY...

* WHAT...Northwest winds 20 to 30 kt with gusts up to 45 kt and 
  seas 4 to 7 feet expected.

* WHERE...Cape Cod Bay, Nantucket Sound, Vineyard Sound, 
  Buzzards Bay and Massachusetts Bay and Ipswich Bay.

* WHEN...From 10 PM this evening to noon EST Saturday.

* 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.

&&

$$

ANZ230-236-122100-
/O.CAN.KBOX.SC.Y.0028.000000T0000Z-210312T1200Z/
/O.UPG.KBOX.GL.A.0010.210313T0300Z-210313T2100Z/
/O.NEW.KBOX.GL.W.0015.210313T0300Z-210313T1700Z/
Boston Harbor-Narragansett Bay-
255 AM EST Fri Mar 12 2021

...GALE WARNING IN EFFECT FROM 10 PM THIS EVENING TO NOON EST
SATURDAY...

* WHAT...Northwest winds 15 to 25 kt with gusts up to 45 kt and
  waves 2 to 3 feet expected.

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

* WHEN...From 10 PM this evening to noon EST Saturday.

* IMPACTS...Strong winds will cause hazardous waves 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.

&&

$$

ANZ235-237-122100-
/O.CAN.KBOX.SC.Y.0028.000000T0000Z-210312T2000Z/
/O.UPG.KBOX.GL.A.0010.210313T0300Z-210313T2100Z/
/O.NEW.KBOX.GL.W.0015.210313T0300Z-210313T1700Z/
Rhode Island Sound-Block Island Sound-
255 AM EST Fri Mar 12 2021

...GALE WARNING IN EFFECT FROM 10 PM THIS EVENING TO NOON EST
SATURDAY...

* WHAT...Northwest winds 15 to 25 kt with gusts up to 45 kt and 
  seas 3 to 5 feet expected.

* WHERE...Rhode Island Sound and Block Island Sound.

* WHEN...From 10 PM this evening to noon EST Saturday.

* 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.

&&

$$

ANZ250-122100-
/O.CAN.KBOX.SC.Y.0028.000000T0000Z-210312T1500Z/
/O.UPG.KBOX.GL.A.0010.210313T0300Z-210313T2100Z/
/O.NEW.KBOX.GL.W.0015.210313T0300Z-210313T1900Z/
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
255 AM EST Fri Mar 12 2021

...GALE WARNING IN EFFECT FROM 10 PM THIS EVENING TO 2 PM EST
SATURDAY...

* WHAT...Northwest winds 25 to 35 kt with gusts up to 45 kt and 
  seas 6 to 11 feet expected.

* WHERE...Coastal waters east of Ipswich Bay and the Stellwagen 
  Bank National Marine Sanctuary.

* WHEN...From 10 PM this evening to 2 PM EST Saturday.

* 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.

&&

$$

ANZ254-255-122100-
/O.CAN.KBOX.SC.Y.0028.000000T0000Z-210313T0300Z/
/O.UPG.KBOX.GL.A.0010.210313T0300Z-210313T2100Z/
/O.NEW.KBOX.GL.W.0015.210313T0300Z-210313T1900Z/
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-
255 AM EST Fri Mar 12 2021

...GALE WARNING IN EFFECT FROM 10 PM THIS EVENING TO 2 PM EST
SATURDAY...

* WHAT...Northwest winds 20 to 30 kt with gusts up to 45 kt and 
  seas 7 to 12 feet expected.

* WHERE...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.

* WHEN...From 10 PM this evening to 2 PM EST Saturday.

* 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.

&&

$$

ANZ256-122100-
/O.CAN.KBOX.SC.Y.0028.000000T0000Z-210313T0300Z/
/O.UPG.KBOX.GL.A.0010.210313T0300Z-210313T2100Z/
/O.NEW.KBOX.GL.W.0015.210313T0300Z-210313T1700Z/
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
255 AM EST Fri Mar 12 2021

...GALE WARNING IN EFFECT FROM 10 PM THIS EVENING TO NOON EST
SATURDAY...

* WHAT...Northwest winds 20 to 30 kt with gusts up to 45 kt and 
  seas 4 to 7 feet expected.

* WHERE...Coastal Waters from Montauk NY to Marthas Vineyard 
  extending out to 20 nm South of Block Island.

* WHEN...From 10 PM this evening to noon EST Saturday.

* 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.

&&

$$

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.