Alert archive / Massachusetts / Gale Warnings in 2021

Gale Warning 15, NWS Boston/Norton, MA

March 12, 2021

NWS Boston/Norton, MA issued this gale warning at Mar 12, 2021, 2:55 AM EST. It took effect at Mar 12, 2021, 9:00 PM EST. It was in force for 15 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Mar 12, 2021, 2:55 AM EST (07:55 UTC)
In effect from
Mar 12, 2021, 9:00 PM EST
Expired
Mar 13, 2021, 12:00 PM EST
In force
15 hr
Issued by
NWS Boston/Norton, MA

The text

As transmitted.

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.

&&

$$
5 follow-up statements
955 
WHUS71 KBOX 121510
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
1010 AM EST Fri Mar 12 2021

ANZ250-254-255-130415-
/O.CON.KBOX.GL.W.0015.210313T0300Z-210313T1900Z/
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-
1010 AM EST Fri Mar 12 2021

...GALE WARNING REMAINS 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.

&&

$$

ANZ256-130415-
/O.CON.KBOX.GL.W.0015.210313T0300Z-210313T1700Z/
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
1010 AM EST Fri Mar 12 2021

...GALE WARNING REMAINS 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.

&&

$$

ANZ231>235-237-251-130415-
/O.CON.KBOX.GL.W.0015.210313T0300Z-210313T1700Z/
Cape Cod Bay-Nantucket Sound-Vineyard Sound-Buzzards Bay-
Rhode Island Sound-Block Island Sound-
Massachusetts Bay and Ipswich Bay-
1010 AM EST Fri Mar 12 2021

...GALE WARNING REMAINS 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.

&&

$$

ANZ230-236-130415-
/O.CON.KBOX.GL.W.0015.210313T0300Z-210313T1700Z/
Boston Harbor-Narragansett Bay-
1010 AM EST Fri Mar 12 2021

...GALE WARNING REMAINS 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.

&&

$$
042 
WHUS71 KBOX 122042
MWWBOX

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

ANZ250-254-255-130945-
/O.EXT.KBOX.GL.W.0015.210313T0200Z-210313T1900Z/
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-
342 PM EST Fri Mar 12 2021

...GALE WARNING NOW IN EFFECT FROM 9 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 9 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.

&&

$$

ANZ256-130945-
/O.EXT.KBOX.GL.W.0015.210313T0200Z-210313T1700Z/
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
342 PM EST Fri Mar 12 2021

...GALE WARNING NOW IN EFFECT FROM 9 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 9 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.

&&

$$

ANZ231>235-237-251-130945-
/O.EXT.KBOX.GL.W.0015.210313T0200Z-210313T1700Z/
Cape Cod Bay-Nantucket Sound-Vineyard Sound-Buzzards Bay-
Rhode Island Sound-Block Island Sound-
Massachusetts Bay and Ipswich Bay-
342 PM EST Fri Mar 12 2021

...GALE WARNING NOW IN EFFECT FROM 9 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 9 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.

&&

$$

ANZ230-236-130945-
/O.EXT.KBOX.GL.W.0015.210313T0200Z-210313T1700Z/
Boston Harbor-Narragansett Bay-
342 PM EST Fri Mar 12 2021

...GALE WARNING NOW IN EFFECT FROM 9 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 9 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.

&&

$$
382 
WHUS71 KBOX 130243
MWWBOX

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

ANZ250-254-255-131545-
/O.CON.KBOX.GL.W.0015.000000T0000Z-210313T1900Z/
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-
943 PM EST Fri Mar 12 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 2 PM EST SATURDAY...

* WHAT...Northwest winds 25 to 35 kt with gusts up to 45 kt and 
  seas 6 to 9 feet.

* WHERE...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.

* WHEN...Until 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.

&&

$$

ANZ256-131545-
/O.CON.KBOX.GL.W.0015.000000T0000Z-210313T1700Z/
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
943 PM EST Fri Mar 12 2021

...GALE WARNING REMAINS IN EFFECT UNTIL NOON EST SATURDAY...

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

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

* WHEN...Until 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.

&&

$$

ANZ231>235-237-251-131545-
/O.CON.KBOX.GL.W.0015.000000T0000Z-210313T1700Z/
Cape Cod Bay-Nantucket Sound-Vineyard Sound-Buzzards Bay-
Rhode Island Sound-Block Island Sound-
Massachusetts Bay and Ipswich Bay-
943 PM EST Fri Mar 12 2021

...GALE WARNING REMAINS IN EFFECT UNTIL NOON EST SATURDAY...

* WHAT...Northwest winds 20 to 30 kt with gusts up to 45 kt and 
  seas 3 to 5 feet.

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

* WHEN...Until 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.

&&

$$

ANZ230-236-131545-
/O.CON.KBOX.GL.W.0015.000000T0000Z-210313T1700Z/
Boston Harbor-Narragansett Bay-
943 PM EST Fri Mar 12 2021

...GALE WARNING REMAINS IN EFFECT UNTIL NOON EST SATURDAY...

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

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

* WHEN...Until 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.

&&

$$
687 
WHUS71 KBOX 130826
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
326 AM EST Sat Mar 13 2021

ANZ250-254-255-131700-
/O.EXT.KBOX.GL.W.0015.000000T0000Z-210313T1700Z/
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-
326 AM EST Sat Mar 13 2021

...GALE WARNING NOW IN EFFECT UNTIL NOON EST TODAY...

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

* WHERE...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.

* WHEN...Until noon EST today.

* 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.

&&

$$

ANZ256-131700-
/O.CON.KBOX.GL.W.0015.000000T0000Z-210313T1700Z/
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
326 AM EST Sat Mar 13 2021

...GALE WARNING REMAINS IN EFFECT UNTIL NOON EST TODAY...

* WHAT...Northwest winds 20 to 30 kt with gusts up to 40 kt and 
  seas 5 to 8 feet.

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

* WHEN...Until noon EST today.

* 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>235-237-251-131700-
/O.CON.KBOX.GL.W.0015.000000T0000Z-210313T1700Z/
Cape Cod Bay-Nantucket Sound-Vineyard Sound-Buzzards Bay-
Rhode Island Sound-Block Island Sound-
Massachusetts Bay and Ipswich Bay-
326 AM EST Sat Mar 13 2021

...GALE WARNING REMAINS IN EFFECT UNTIL NOON EST TODAY...

* WHAT...Northwest winds 20 to 30 kt with gusts up to 40 kt and 
  seas 4 to 6 feet.

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

* WHEN...Until noon EST today.

* 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.

&&

$$

ANZ230-236-131700-
/O.CON.KBOX.GL.W.0015.000000T0000Z-210313T1700Z/
Boston Harbor-Narragansett Bay-
326 AM EST Sat Mar 13 2021

...GALE WARNING REMAINS IN EFFECT UNTIL NOON EST TODAY...

* WHAT...Northwest winds 15 to 25 kt with gusts up to 40 kt and 
  waves 2 to 3 feet.

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

* WHEN...Until noon EST today.

* 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.

&&

$$

Frank
725 
WHUS71 KBOX 131709
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
1209 PM EST Sat Mar 13 2021

ANZ250-254>256-140615-
/O.EXP.KBOX.GL.W.0015.000000T0000Z-210313T1700Z/
/O.NEW.KBOX.GL.W.0016.210314T1200Z-210315T1500Z/
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-
1209 PM EST Sat Mar 13 2021

...GALE WARNING IN EFFECT FROM 8 AM SUNDAY TO 11 AM EDT MONDAY...

* WHAT...Northwest winds 25 to 35 kt with gusts up to 45 kt and 
  seas 7 to 12 feet expected.

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

* WHEN...From 8 AM Sunday to 11 AM EDT 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>235-237-251-140615-
/O.EXP.KBOX.GL.W.0015.000000T0000Z-210313T1700Z/
/O.NEW.KBOX.GL.W.0016.210314T1500Z-210315T1500Z/
Cape Cod Bay-Nantucket Sound-Vineyard Sound-Buzzards Bay-
Rhode Island Sound-Block Island Sound-
Massachusetts Bay and Ipswich Bay-
1209 PM EST Sat Mar 13 2021

...GALE WARNING IN EFFECT FROM 11 AM SUNDAY TO 11 AM EDT MONDAY...

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

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

* WHEN...From 11 AM Sunday to 11 AM EDT 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.

&&

$$

ANZ230-236-140615-
/O.EXP.KBOX.GL.W.0015.000000T0000Z-210313T1700Z/
/O.NEW.KBOX.GL.W.0016.210314T1500Z-210315T1500Z/
Boston Harbor-Narragansett Bay-
1209 PM EST Sat Mar 13 2021

...GALE WARNING IN EFFECT FROM 11 AM SUNDAY TO 11 AM EDT MONDAY...

* WHAT...Northwest winds 10 to 20 kt with gusts up to 40 kt and
  waves 2 to 3 feet expected.

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

* WHEN...From 11 AM Sunday to 11 AM EDT Monday.

* 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.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 12, 2:53 AM ESTWind AdvisoryBOXBarnstable, Bristol, Dukes, Essex, Franklin, Hampden and 7 more28 hr
Mar 12, 1:30 PM ESTRed Flag WarningBOXBarnstable, Bristol, Dukes, Essex, Franklin, Hampden and 7 more28 hr

Nearby

Gale Warnings in Massachusetts, 2021Every gale warning 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.