Alert archive / Massachusetts / Gale Warnings in 2021

Gale Warning 12, NWS Boston/Norton, MA

February 26, 2021

NWS Boston/Norton, MA issued this gale warning at Feb 26, 2021, 4:07 PM EST. It took effect at Feb 27, 2021, 10:00 AM EST. It was in force for 8 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
Feb 26, 2021, 4:07 PM EST (21:07 UTC)
In effect from
Feb 27, 2021, 10:00 AM EST
Expired
Feb 27, 2021, 6:17 PM EST
In force
8 hr
Issued by
NWS Boston/Norton, MA

The text

As transmitted.

486 
WHUS71 KBOX 262107
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
407 PM EST Fri Feb 26 2021

ANZ250-254-255-271015-
/O.UPG.KBOX.GL.A.0007.210227T1500Z-210228T0300Z/
/O.NEW.KBOX.GL.W.0012.210227T1500Z-210228T0300Z/
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-
407 PM EST Fri Feb 26 2021

...GALE WARNING IN EFFECT FROM 10 AM TO 10 PM EST SATURDAY...

* WHAT...South winds 20 to 30 kt with gusts up to 35 kt and seas 
  6 to 11 feet expected.

* 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...From 10 AM to 10 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.

&&

$$

ANZ231-251-271015-
/O.UPG.KBOX.GL.A.0007.210227T1500Z-210228T0300Z/
/O.EXB.KBOX.SC.Y.0024.210227T1500Z-210228T0600Z/
Cape Cod Bay-Massachusetts Bay and Ipswich Bay-
407 PM EST Fri Feb 26 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM SATURDAY TO 1 AM EST
SUNDAY...

* WHAT...South winds 15 to 25 kt with gusts up to 30 kt and seas 
  4 to 7 feet expected.

* WHERE...Cape Cod Bay and Massachusetts Bay and Ipswich Bay.

* WHEN...From 10 AM Saturday to 1 AM EST Sunday.

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



PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ANZ232-271015-
/O.UPG.KBOX.GL.A.0007.210227T1500Z-210228T0300Z/
/O.EXB.KBOX.SC.Y.0024.210227T1500Z-210228T0000Z/
Nantucket Sound-
407 PM EST Fri Feb 26 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM TO 7 PM EST
SATURDAY...

* WHAT...South winds 15 to 25 kt with gusts up to 30 kt and seas 
  4 to 6 feet expected.

* WHERE...Nantucket Sound.

* WHEN...From 10 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.

&&

$$

ANZ235-237-256-271015-
/O.EXT.KBOX.SC.Y.0024.210227T1500Z-210301T0000Z/
Rhode Island Sound-Block Island Sound-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
407 PM EST Fri Feb 26 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 10 AM SATURDAY TO 7 PM
EST SUNDAY...

* WHAT...Southwest winds 15 to 25 kt with gusts up to 30 kt and 
  seas 6 to 11 feet expected.

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

* WHEN...From 10 AM Saturday to 7 PM EST Sunday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ANZ233-234-271015-
/O.EXT.KBOX.SC.Y.0024.210227T1500Z-210228T0000Z/
Vineyard Sound-Buzzards Bay-
407 PM EST Fri Feb 26 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 10 AM TO 7 PM EST
SATURDAY...

* WHAT...South winds 15 to 25 kt with gusts up to 30 kt and seas 
  2 to 4 feet expected.

* WHERE...Vineyard Sound and Buzzards Bay.

* WHEN...From 10 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.

&&

$$
4 follow-up statements
906 
WHUS71 KBOX 262110
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
410 PM EST Fri Feb 26 2021

ANZ250-254-255-271015-
/O.CON.KBOX.GL.W.0012.210227T1500Z-210228T0300Z/
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-
410 PM EST Fri Feb 26 2021

...GALE WARNING REMAINS IN EFFECT FROM 10 AM TO 10 PM EST
SATURDAY...

* WHAT...South winds 20 to 30 kt with gusts up to 35 kt and seas 
  6 to 9 feet expected.

* 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...From 10 AM to 10 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.

&&

$$

ANZ235-237-256-271015-
/O.CON.KBOX.SC.Y.0024.210227T1500Z-210301T0000Z/
Rhode Island Sound-Block Island Sound-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
410 PM EST Fri Feb 26 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 AM SATURDAY TO
7 PM EST SUNDAY...

* WHAT...Southwest winds 15 to 25 kt with gusts up to 30 kt and 
  seas 5 to 8 feet expected.

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

* WHEN...From 10 AM Saturday to 7 PM EST Sunday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ANZ231-251-271015-
/O.CON.KBOX.SC.Y.0024.210227T1500Z-210228T0600Z/
Cape Cod Bay-Massachusetts Bay and Ipswich Bay-
410 PM EST Fri Feb 26 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 AM SATURDAY TO
1 AM EST SUNDAY...

* WHAT...South winds 15 to 25 kt with gusts up to 30 kt and seas 
  2 to 4 feet expected.

* WHERE...Cape Cod Bay and Massachusetts Bay and Ipswich Bay.

* WHEN...From 10 AM Saturday to 1 AM EST Sunday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ANZ232>234-271015-
/O.CON.KBOX.SC.Y.0024.210227T1500Z-210228T0000Z/
Nantucket Sound-Vineyard Sound-Buzzards Bay-
410 PM EST Fri Feb 26 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 AM TO 7 PM EST
SATURDAY...

* WHAT...South winds 15 to 25 kt with gusts up to 30 kt and seas 
  3 to 5 feet expected.

* WHERE...Nantucket Sound, Vineyard Sound and Buzzards Bay.

* WHEN...From 10 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.

&&

$$
475 
WHUS71 KBOX 270846
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
346 AM EST Sat Feb 27 2021

ANZ250-254-255-272130-
/O.CON.KBOX.GL.W.0012.210227T1500Z-210228T0300Z/
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-
346 AM EST Sat Feb 27 2021

...GALE WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO
10 PM EST THIS EVENING...

* WHAT...South winds 20 to 30 kt with gusts up to 40 kt and seas 
  6 to 9 feet expected.

* 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...From 10 AM this morning to 10 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.

&&

$$

ANZ235-237-256-272130-
/O.CON.KBOX.SC.Y.0024.210227T1500Z-210301T0000Z/
Rhode Island Sound-Block Island Sound-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
346 AM EST Sat Feb 27 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING
TO 7 PM EST SUNDAY...

* WHAT...Southwest winds 15 to 25 kt with gusts up to 30 kt and 
  seas 5 to 8 feet expected.

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

* WHEN...From 10 AM this morning to 7 PM EST Sunday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ANZ231-251-272130-
/O.CON.KBOX.SC.Y.0024.210227T1500Z-210228T0600Z/
Cape Cod Bay-Massachusetts Bay and Ipswich Bay-
346 AM EST Sat Feb 27 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING
TO 1 AM EST SUNDAY...

* WHAT...South winds 15 to 25 kt with gusts up to 30 kt and seas 
  3 to 5 feet expected.

* WHERE...Cape Cod Bay and Massachusetts Bay and Ipswich Bay.

* WHEN...From 10 AM this morning to 1 AM EST Sunday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ANZ232>234-272130-
/O.CON.KBOX.SC.Y.0024.210227T1500Z-210228T0000Z/
Nantucket Sound-Vineyard Sound-Buzzards Bay-
346 AM EST Sat Feb 27 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING
TO 7 PM EST THIS EVENING...

* WHAT...South winds 15 to 25 kt with gusts up to 30 kt and seas 
  2 to 4 feet expected.

* WHERE...Nantucket Sound, Vineyard Sound and Buzzards Bay.

* WHEN...From 10 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.

&&

$$

BL
899 
WHUS71 KBOX 272049
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
349 PM EST Sat Feb 27 2021

ANZ250-254-255-281100-
/O.EXT.KBOX.GL.W.0012.000000T0000Z-210228T0000Z/
/O.NEW.KBOX.GL.A.0008.210302T0400Z-210303T0000Z/
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-
349 PM EST Sat Feb 27 2021

...GALE WARNING NOW IN EFFECT UNTIL 7 PM EST THIS EVENING...
...GALE WATCH IN EFFECT FROM MONDAY EVENING THROUGH TUESDAY
EVENING...

* WHAT...For the Gale Warning, south winds 20 to 25 kt with gusts
  up to 35 kt and seas 6 to 9 feet. For the Gale Watch, northwest
  winds 25 to 35 kt with gusts up to 40 kt and seas 7 to 12 feet
  possible Monday night into Tuesday.

* 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...For the Gale Warning, until 7 PM EST this evening. For 
  the Gale Watch, from Monday evening through Tuesday evening.

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

* ADDITIONAL DETAILS...Much colder air will lead to conditions
  supporting accretion of freezing spray Monday night and 
  Tuesday.

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.

&&

$$

ANZ235-237-281100-
/O.CON.KBOX.SC.Y.0024.000000T0000Z-210301T0000Z/
/O.NEW.KBOX.GL.A.0008.210302T0400Z-210303T0000Z/
Rhode Island Sound-Block Island Sound-
349 PM EST Sat Feb 27 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST SUNDAY...
...GALE WATCH IN EFFECT FROM MONDAY EVENING THROUGH TUESDAY
EVENING...

* WHAT...For the Small Craft Advisory, west winds 10 to 20 kt 
  with gusts up to 30 kt and seas 4 to 7 feet. For the Gale 
  Watch, northwest winds 20 to 30 kt with gusts up to 40 kt and 
  seas 5 to 8 feet possible Monday night into Tuesday.

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

* WHEN...For the Small Craft Advisory, until 7 PM EST Sunday. 
  For the Gale Watch, from Monday evening through Tuesday 
  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.

&&

$$

ANZ256-281100-
/O.CON.KBOX.SC.Y.0024.000000T0000Z-210301T0000Z/
/O.NEW.KBOX.GL.A.0008.210302T0400Z-210303T0000Z/
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
349 PM EST Sat Feb 27 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST SUNDAY...
...GALE WATCH IN EFFECT FROM MONDAY EVENING THROUGH TUESDAY
EVENING...

* WHAT...For the Small Craft Advisory, west winds 15 to 25 kt 
  with gusts up to 30 kt and seas 6 to 9 feet. For the Gale 
  Watch, northwest winds 20 to 30 kt with gusts up to 40 kt and 
  seas 6 to 11 feet possible Monday night into Tuesday.

* WHERE...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 PM EST Sunday. 
  For the Gale Watch, from Monday evening through Tuesday 
  evening.

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

* ADDITIONAL DETAILS...Much colder air will lead to conditions
  supporting accretion of freezing spray Monday night and 
  Tuesday.

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.

&&

$$

ANZ231-251-281100-
/O.CON.KBOX.SC.Y.0024.000000T0000Z-210228T0600Z/
/O.NEW.KBOX.GL.A.0008.210302T0400Z-210303T0000Z/
Cape Cod Bay-Massachusetts Bay and Ipswich Bay-
349 PM EST Sat Feb 27 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 AM EST SUNDAY...
...GALE WATCH IN EFFECT FROM MONDAY EVENING THROUGH TUESDAY
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, northwest winds 20 to 30 kt with gusts up to 40 kt and 
  seas 5 to 8 feet possible Monday night into Tuesday.

* WHERE...Cape Cod Bay and Massachusetts Bay and Ipswich Bay.

* WHEN...For the Small Craft Advisory, until 1 AM EST Sunday. 
  For the Gale Watch, from Monday evening through Tuesday 
  evening.

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

* ADDITIONAL DETAILS...Much colder air will lead to conditions
  supporting accretion of freezing spray Monday night and 
  Tuesday.

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.

&&

$$

ANZ232>234-281100-
/O.CON.KBOX.SC.Y.0024.000000T0000Z-210228T0000Z/
/O.NEW.KBOX.GL.A.0008.210302T0400Z-210303T0000Z/
Nantucket Sound-Vineyard Sound-Buzzards Bay-
349 PM EST Sat Feb 27 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST THIS
EVENING...
...GALE WATCH IN EFFECT FROM MONDAY EVENING THROUGH TUESDAY
EVENING...

* WHAT...For the Small Craft Advisory, south winds 15 to 25 kt 
  with gusts up to 35 kt and seas 3 to 5 feet. For the Gale 
  Watch, northwest winds 20 to 30 kt with gusts up to 40 kt and 
  seas 4 to 7 feet possible.

* WHERE...Nantucket Sound, Vineyard Sound and Buzzards Bay.

* WHEN...For the Small Craft Advisory, until 7 PM EST this 
  evening. For the Gale Watch, from Monday evening through 
  Tuesday evening.

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

* ADDITIONAL DETAILS...Much colder air will lead to conditions
  supporting accretion of freezing spray Monday night and 
  Tuesday.

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.

&&

$$

ANZ236-281100-
/O.NEW.KBOX.GL.A.0008.210302T0400Z-210303T0000Z/
Narragansett Bay-
349 PM EST Sat Feb 27 2021

...GALE WATCH IN EFFECT FROM MONDAY EVENING THROUGH TUESDAY
EVENING...

* WHAT...Northwest winds 15 to 25 kt with gusts up to 35 kt and 
  waves 2 to 3 feet possible.

* WHERE...Narragansett Bay.

* WHEN...From Monday evening through Tuesday evening.

* 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.

&&

$$

ANZ230-281100-
/O.NEW.KBOX.GL.A.0008.210302T0400Z-210303T0000Z/
Boston Harbor-
349 PM EST Sat Feb 27 2021

...GALE WATCH IN EFFECT FROM MONDAY EVENING THROUGH TUESDAY
EVENING...

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

* WHERE...Boston Harbor.

* WHEN...From Monday evening through Tuesday evening.

* 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 waves.

&&

$$
430 
WHUS71 KBOX 272317
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
617 PM EST Sat Feb 27 2021

ANZ250-254-255-281300-
/O.CAN.KBOX.GL.W.0012.000000T0000Z-210228T0000Z/
/O.EXB.KBOX.SC.Y.0024.000000T0000Z-210228T1500Z/
/O.CON.KBOX.GL.A.0008.210302T0400Z-210303T0000Z/
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-
617 PM EST Sat Feb 27 2021

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EST SUNDAY...
...GALE WATCH REMAINS IN EFFECT FROM MONDAY EVENING THROUGH
TUESDAY EVENING...
...GALE WARNING IS CANCELLED...

* WHAT...For the Small Craft Advisory, west winds 10 to 20 kt with
  gusts up to 30 kt and seas 5 to 8 feet. For the Gale Watch,
  northwest winds 25 to 35 kt with gusts up to 40 kt and seas 7 to
  12 feet possible Monday night into Tuesday.

* 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...For the Small Craft Advisory, until 10 AM EST Sunday. 
  For the Gale Watch, from Monday evening through Tuesday 
  evening.

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

* ADDITIONAL DETAILS...Much colder air will lead to conditions 
  supporting accretion of freezing spray Monday night and 
  Tuesday.

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.

&&

$$

ANZ232>234-281300-
/O.CAN.KBOX.SC.Y.0024.000000T0000Z-210228T0000Z/
/O.CON.KBOX.GL.A.0008.210302T0400Z-210303T0000Z/
Nantucket Sound-Vineyard Sound-Buzzards Bay-
617 PM EST Sat Feb 27 2021

...GALE WATCH REMAINS IN EFFECT FROM MONDAY EVENING THROUGH
TUESDAY EVENING...
...SMALL CRAFT ADVISORY IS CANCELLED...

* WHAT...Northwest winds 20 to 30 kt with gusts up to 40 kt and 
  seas 4 to 7 feet possible.

* WHERE...Nantucket Sound, Vineyard Sound and Buzzards Bay.

* WHEN...From Monday evening through Tuesday evening.

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

* ADDITIONAL DETAILS...Much colder air will lead to conditions 
  supporting accretion of freezing spray Monday night and 
  Tuesday.

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.

&&

$$

ANZ235-237-281300-
/O.CON.KBOX.SC.Y.0024.000000T0000Z-210301T0000Z/
/O.CON.KBOX.GL.A.0008.210302T0400Z-210303T0000Z/
Rhode Island Sound-Block Island Sound-
617 PM EST Sat Feb 27 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST SUNDAY...
...GALE WATCH REMAINS IN EFFECT FROM MONDAY EVENING THROUGH
TUESDAY EVENING...

* WHAT...For the Small Craft Advisory, west winds 10 to 15 kt 
  with gusts up to 25 kt and seas 4 to 7 feet. For the Gale Watch,
  northwest winds 20 to 30 kt with gusts up to 40 kt and seas 5 
  to 8 feet possible Monday night into Tuesday.

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

* WHEN...For the Small Craft Advisory, until 7 PM EST Sunday. 
  For the Gale Watch, from Monday evening through Tuesday 
  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.

&&

$$

ANZ256-281300-
/O.CON.KBOX.SC.Y.0024.000000T0000Z-210301T0000Z/
/O.CON.KBOX.GL.A.0008.210302T0400Z-210303T0000Z/
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
617 PM EST Sat Feb 27 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST SUNDAY...
...GALE WATCH REMAINS IN EFFECT FROM MONDAY EVENING THROUGH
TUESDAY EVENING...

* WHAT...For the Small Craft Advisory, northwest winds 10 to 20 kt
  with gusts up to 25 kt and seas 5 to 8 feet. For the Gale Watch,
  northwest winds 20 to 30 kt with gusts up to 40 kt and seas 6 to
  11 feet possible Monday night into Tuesday.

* WHERE...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 PM EST Sunday. 
  For the Gale Watch, from Monday evening through Tuesday 
  evening.

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

* ADDITIONAL DETAILS...Much colder air will lead to conditions 
  supporting accretion of freezing spray Monday night and 
  Tuesday.

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.

&&

$$

ANZ231-251-281300-
/O.CON.KBOX.SC.Y.0024.000000T0000Z-210228T0600Z/
/O.CON.KBOX.GL.A.0008.210302T0400Z-210303T0000Z/
Cape Cod Bay-Massachusetts Bay and Ipswich Bay-
617 PM EST Sat Feb 27 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 AM EST SUNDAY...
...GALE WATCH REMAINS IN EFFECT FROM MONDAY EVENING THROUGH
TUESDAY EVENING...

* WHAT...For the Small Craft Advisory, west winds 10 to 15 kt with
  gusts up to 25 kt and seas 3 to 5 feet. For the Gale Watch,
  northwest winds 20 to 30 kt with gusts up to 40 kt and seas 5 to
  8 feet possible Monday night into Tuesday.

* WHERE...Cape Cod Bay, Massachusetts Bay and Ipswich Bay.

* WHEN...For the Small Craft Advisory, until 1 AM EST Sunday. 
  For the Gale Watch, from Monday evening through Tuesday 
  evening.

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

* ADDITIONAL DETAILS...Much colder air will lead to conditions 
  supporting accretion of freezing spray Monday night and 
  Tuesday.

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.

&&

$$

ANZ236-281300-
/O.CON.KBOX.GL.A.0008.210302T0400Z-210303T0000Z/
Narragansett Bay-
617 PM EST Sat Feb 27 2021

...GALE WATCH REMAINS IN EFFECT FROM MONDAY EVENING THROUGH
TUESDAY EVENING...

* WHAT...Northwest winds 15 to 25 kt with gusts up to 35 kt and 
  waves 2 to 3 feet possible.

* WHERE...Narragansett Bay.

* WHEN...From Monday evening through Tuesday evening.

* 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.

&&

$$

ANZ230-281300-
/O.CON.KBOX.GL.A.0008.210302T0400Z-210303T0000Z/
Boston Harbor-
617 PM EST Sat Feb 27 2021

...GALE WATCH REMAINS IN EFFECT FROM MONDAY EVENING THROUGH
TUESDAY EVENING...

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

* WHERE...Boston Harbor.

* WHEN...From Monday evening through Tuesday evening.

* 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 waves.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 26, 3:28 AM ESTGale WatchBOX13 hr
Feb 26, 9:48 AM ESTSmall Craft AdvisoryBOX54 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.