Alert archive / Massachusetts / Storm Warnings in 2020

Storm Warning 6, NWS Boston/Norton, MA

November 30, 2020

NWS Boston/Norton, MA issued this storm warning at Nov 30, 2020, 2:56 PM EST. It was in force for 7 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
Nov 30, 2020, 2:56 PM EST (19:56 UTC)
Expired
Nov 30, 2020, 10:14 PM EST
In force
7 hr
Issued by
NWS Boston/Norton, MA

The text

As transmitted.

144 
WHUS71 KBOX 301956
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
256 PM EST Mon Nov 30 2020

ANZ230-010400-
/O.CAN.KBOX.GL.W.0048.000000T0000Z-201201T0600Z/
/O.NEW.KBOX.GL.W.0049.201130T2000Z-201201T0600Z/
Boston Harbor-
256 PM EST Mon Nov 30 2020

...GALE WARNING IN EFFECT UNTIL 1 AM EST TUESDAY...

* WHAT...Southeast winds 20 to 30 kt with gusts up to 45 kt and 
  waves around 2 feet expected.

* WHERE...Boston Harbor.

* WHEN...Until 1 AM EST Tuesday.

* 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.

&&

$$

ANZ250-010400-
/O.CAN.KBOX.GL.W.0048.000000T0000Z-201201T1200Z/
/O.NEW.KBOX.GL.W.0049.201130T2000Z-201201T0600Z/
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
256 PM EST Mon Nov 30 2020

...GALE WARNING IN EFFECT UNTIL 1 AM EST TUESDAY...

* WHAT...Southeast winds 25 to 35 kt with gusts up to 45 kt and 
  seas 14 to 19 feet expected.

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

* WHEN...Until 1 AM EST Tuesday.

* 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.

&&

$$

ANZ251-010400-
/O.CAN.KBOX.GL.W.0048.000000T0000Z-201201T0600Z/
/O.NEW.KBOX.GL.W.0049.201130T2000Z-201201T0600Z/
Massachusetts Bay and Ipswich Bay-
256 PM EST Mon Nov 30 2020

...GALE WARNING IN EFFECT UNTIL 1 AM EST TUESDAY...

* WHAT...Southeast winds 25 to 35 kt with gusts up to 45 kt and 
  seas 9 to 14 feet expected.

* WHERE...Massachusetts Bay and Ipswich Bay.

* WHEN...Until 1 AM EST Tuesday.

* 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.

&&

$$

ANZ235-237-010400-
/O.UPG.KBOX.GL.W.0048.000000T0000Z-201201T0600Z/
/O.NEW.KBOX.SR.W.0006.201130T2000Z-201201T0600Z/
Rhode Island Sound-Block Island Sound-
256 PM EST Mon Nov 30 2020

...STORM WARNING IN EFFECT UNTIL 1 AM EST TUESDAY...

* WHAT...South winds 25 to 35 kt with gusts up to 50 kt and seas 
  14 to 19 feet expected.

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

* WHEN...Until 1 AM EST Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should remain in port, alter course, and/or secure the
vessel for severe conditions.

&&

$$

ANZ231-232-010400-
/O.UPG.KBOX.GL.W.0048.000000T0000Z-201201T1200Z/
/O.NEW.KBOX.SR.W.0006.201130T2000Z-201201T0600Z/
Cape Cod Bay-Nantucket Sound-
256 PM EST Mon Nov 30 2020

...STORM WARNING IN EFFECT UNTIL 1 AM EST TUESDAY...

* WHAT...Southeast winds 25 to 35 kt with gusts up to 50 kt and 
  seas 5 to 8 feet expected.

* WHERE...Cape Cod Bay and Nantucket Sound.

* WHEN...Until 1 AM EST Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should remain in port, alter course, and/or secure the
vessel for severe conditions.

&&

$$

ANZ233-234-010400-
/O.UPG.KBOX.GL.W.0048.000000T0000Z-201201T0600Z/
/O.NEW.KBOX.SR.W.0006.201130T2000Z-201201T0600Z/
Vineyard Sound-Buzzards Bay-
256 PM EST Mon Nov 30 2020

...STORM WARNING IN EFFECT UNTIL 1 AM EST TUESDAY...

* WHAT...Southeast winds 25 to 35 kt with gusts up to 50 kt and 
  seas 5 to 8 feet expected.

* WHERE...Vineyard Sound and Buzzards Bay.

* WHEN...Until 1 AM EST Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should remain in port, alter course, and/or secure the
vessel for severe conditions.

&&

$$

ANZ254-255-010400-
/O.UPG.KBOX.GL.W.0048.000000T0000Z-201201T1200Z/
/O.NEW.KBOX.SR.W.0006.201130T2000Z-201201T0600Z/
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-
256 PM EST Mon Nov 30 2020

...STORM WARNING IN EFFECT UNTIL 1 AM EST TUESDAY...

* WHAT...Southeast winds 25 to 35 kt with gusts up to 50 kt and 
  seas 14 to 19 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...Until 1 AM EST Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should remain in port, alter course, and/or secure the
vessel for severe conditions.

&&

$$

ANZ256-010400-
/O.UPG.KBOX.GL.W.0048.000000T0000Z-201201T0600Z/
/O.NEW.KBOX.SR.W.0006.201130T2000Z-201201T0600Z/
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
256 PM EST Mon Nov 30 2020

...STORM WARNING IN EFFECT UNTIL 1 AM EST TUESDAY...

* WHAT...South winds 25 to 35 kt with gusts up to 50 kt and seas 
  16 to 21 feet expected.

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

* WHEN...Until 1 AM EST Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should remain in port, alter course, and/or secure the
vessel for severe conditions.

&&

$$

ANZ236-010400-
/O.UPG.KBOX.GL.W.0048.000000T0000Z-201201T0600Z/
/O.NEW.KBOX.SR.W.0006.201130T1956Z-201201T0600Z/
Narragansett Bay-
256 PM EST Mon Nov 30 2020

...STORM WARNING IN EFFECT UNTIL 1 AM EST TUESDAY...

* WHAT...South winds 20 to 30 kt with gusts up to 50 kt and waves
  3 to 6 feet.

* WHERE...Narragansett Bay.

* WHEN...Until 1 AM EST Tuesday.

* IMPACTS...Very strong winds will cause hazardous waves which 
  could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should remain in port, alter course, and/or secure the
vessel for severe conditions.

&&

$$
2 follow-up statements
157 
WHUS71 KBOX 302113
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
413 PM EST Mon Nov 30 2020

ANZ250-251-010515-
/O.UPG.KBOX.GL.W.0049.000000T0000Z-201201T0600Z/
/O.EXA.KBOX.SR.W.0006.000000T0000Z-201201T0600Z/
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-Massachusetts Bay and Ipswich Bay-
413 PM EST Mon Nov 30 2020

...STORM WARNING IN EFFECT UNTIL 1 AM EST TUESDAY...

* WHAT...Southeast winds 25 to 35 kt with gusts up to 45 kt and 
  seas 14 to 19 feet expected.

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

* WHEN...Until 1 AM EST Tuesday.

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

* ADDITIONAL DETAILS...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should remain in port, alter course, and/or secure the
vessel for severe conditions.

&&

$$

ANZ230-010515-
/O.CON.KBOX.GL.W.0049.000000T0000Z-201201T0600Z/
Boston Harbor-
413 PM EST Mon Nov 30 2020

...GALE WARNING REMAINS IN EFFECT UNTIL 1 AM EST TUESDAY...

* WHAT...Southeast winds 20 to 30 kt with gusts up to 45 kt and 
  waves around 2 feet expected.

* WHERE...Boston Harbor.

* WHEN...Until 1 AM EST Tuesday.

* 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.

&&

$$

ANZ235-237-010515-
/O.CON.KBOX.SR.W.0006.000000T0000Z-201201T0600Z/
Rhode Island Sound-Block Island Sound-
413 PM EST Mon Nov 30 2020

...STORM WARNING REMAINS IN EFFECT UNTIL 1 AM EST TUESDAY...

* WHAT...South winds 25 to 35 kt with gusts up to 50 kt and seas 
  14 to 19 feet expected.

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

* WHEN...Until 1 AM EST Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should remain in port, alter course, and/or secure the
vessel for severe conditions.

&&

$$

ANZ231>234-010515-
/O.CON.KBOX.SR.W.0006.000000T0000Z-201201T0600Z/
Cape Cod Bay-Nantucket Sound-Vineyard Sound-Buzzards Bay-
413 PM EST Mon Nov 30 2020

...STORM WARNING REMAINS IN EFFECT UNTIL 1 AM EST TUESDAY...

* WHAT...Southeast winds 25 to 35 kt with gusts up to 50 kt and 
  seas 5 to 8 feet expected.

* WHERE...Cape Cod Bay and Nantucket Sound.

* WHEN...Until 1 AM EST Tuesday.

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


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should remain in port, alter course, and/or secure the
vessel for severe conditions.

&&

$$

ANZ254>256-010515-
/O.CON.KBOX.SR.W.0006.000000T0000Z-201201T0600Z/
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-
413 PM EST Mon Nov 30 2020

...STORM WARNING REMAINS IN EFFECT UNTIL 1 AM EST TUESDAY...

* WHAT...Southeast winds 25 to 35 kt with gusts up to 50 kt and 
  seas 14 to 19 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...Until 1 AM EST Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should remain in port, alter course, and/or secure the
vessel for severe conditions.

&&

$$

ANZ236-010515-
/O.CON.KBOX.SR.W.0006.000000T0000Z-201201T0600Z/
Narragansett Bay-
413 PM EST Mon Nov 30 2020

...STORM WARNING REMAINS IN EFFECT UNTIL 1 AM EST TUESDAY...

* WHAT...South winds 20 to 30 kt with gusts up to 50 kt and 
  waves 3 to 6 feet.

* WHERE...Narragansett Bay.

* WHEN...Until 1 AM EST Tuesday.

* IMPACTS...Very strong winds will cause hazardous waves which 
  could capsize or damage vessels and reduce visibility.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should remain in port, alter course, and/or secure the
vessel for severe conditions.

&&

$$
111 
WHUS71 KBOX 010314
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
1014 PM EST Mon Nov 30 2020

ANZ231>234-011115-
/O.CAN.KBOX.SR.W.0006.000000T0000Z-201201T0600Z/
/O.EXB.KBOX.GL.W.0049.000000T0000Z-201201T1200Z/
Cape Cod Bay-Nantucket Sound-Vineyard Sound-Buzzards Bay-
1014 PM EST Mon Nov 30 2020

...GALE WARNING IN EFFECT UNTIL 7 AM EST TUESDAY...
...STORM WARNING IS CANCELLED...

* WHAT...Southeast winds 25 to 35 kt with gusts up to 45 kt and 
  seas 5 to 8 feet expected.

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

* WHEN...Until 7 AM EST Tuesday.

* IMPACTS...Very 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.

&&

$$

ANZ236-011115-
/O.CAN.KBOX.SR.W.0006.000000T0000Z-201201T0600Z/
/O.EXB.KBOX.GL.W.0049.000000T0000Z-201201T1200Z/
Narragansett Bay-
1014 PM EST Mon Nov 30 2020

...GALE WARNING IN EFFECT UNTIL 7 AM EST TUESDAY...
...STORM WARNING IS CANCELLED...

* WHAT...South winds 20 to 30 kt with gusts up to 45 kt and waves
  3 to 6 feet.

* WHERE...Narragansett Bay.

* WHEN...Until 7 AM EST Tuesday.

* IMPACTS...Very 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.

&&

$$

ANZ235-237-011115-
/O.CAN.KBOX.SR.W.0006.000000T0000Z-201201T0600Z/
/O.EXB.KBOX.GL.W.0049.000000T0000Z-201201T1200Z/
Rhode Island Sound-Block Island Sound-
1014 PM EST Mon Nov 30 2020

...GALE WARNING IN EFFECT UNTIL 7 AM EST TUESDAY...
...STORM WARNING IS CANCELLED...

* WHAT...South winds 25 to 35 kt with gusts up to 45 kt and seas 
  14 to 19 feet expected.

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

* WHEN...Until 7 AM EST Tuesday.

* IMPACTS...Very 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.

&&

$$

ANZ250-011115-
/O.CAN.KBOX.SR.W.0006.000000T0000Z-201201T0600Z/
/O.EXB.KBOX.GL.W.0049.000000T0000Z-201201T1800Z/
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
1014 PM EST Mon Nov 30 2020

...GALE WARNING IN EFFECT UNTIL 1 PM EST TUESDAY...
...STORM WARNING IS CANCELLED...

* WHAT...Southeast winds 25 to 35 kt with gusts up to 45 kt and 
  seas 14 to 19 feet expected.

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

* WHEN...Until 1 PM EST Tuesday.

* 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.

&&

$$

ANZ251-011115-
/O.CAN.KBOX.SR.W.0006.000000T0000Z-201201T0600Z/
/O.EXB.KBOX.GL.W.0049.000000T0000Z-201201T1200Z/
Massachusetts Bay and Ipswich Bay-
1014 PM EST Mon Nov 30 2020

...GALE WARNING IN EFFECT UNTIL 7 AM EST TUESDAY...
...STORM WARNING IS CANCELLED...

* WHAT...Southeast winds 25 to 35 kt with gusts up to 45 kt and 
  seas 14 to 19 feet expected.

* WHERE...Massachusetts Bay and Ipswich Bay.

* WHEN...Until 7 AM EST Tuesday.

* 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>256-011115-
/O.CAN.KBOX.SR.W.0006.000000T0000Z-201201T0600Z/
/O.EXB.KBOX.GL.W.0049.000000T0000Z-201201T1800Z/
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-
1014 PM EST Mon Nov 30 2020

...GALE WARNING IN EFFECT UNTIL 1 PM EST TUESDAY...
...STORM WARNING IS CANCELLED...

* WHAT...Southeast winds 25 to 35 kt with gusts up to 45 kt and 
  seas 14 to 19 feet expected.

* 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...Until 1 PM EST Tuesday.

* IMPACTS...Very 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.

&&

$$

ANZ230-011115-
/O.EXT.KBOX.GL.W.0049.000000T0000Z-201201T1200Z/
Boston Harbor-
1014 PM EST Mon Nov 30 2020

...GALE WARNING NOW IN EFFECT UNTIL 7 AM EST TUESDAY...

* WHAT...Southeast winds 20 to 30 kt with gusts up to 45 kt and 
  waves around 2 feet expected.

* WHERE...Boston Harbor.

* WHEN...Until 7 AM EST Tuesday.

* 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
Nov 30, 3:29 AM ESTHigh Wind WarningBOXBarnstable, Bristol, Dukes, Essex, Nantucket, Norfolk and 1 more19 hr
Nov 30, 2:56 PM ESTGale WarningBOX16 hr
Nov 30, 3:03 PM ESTCoastal Flood StatementBOXBarnstable, Bristol, Dukes, Nantucket, Plymouth7 hr

Nearby

Storm Warnings in Massachusetts, 2020Every storm warning in 2020

Sources

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