Alert archive / Massachusetts / Small Craft Advisories in 2021

Small Craft Advisory 11, NWS Boston/Norton, MA

February 2, 2021

NWS Boston/Norton, MA issued this small craft advisory at Feb 2, 2021, 4:18 AM EST. It was in force for 116 min.

The area

The counties it named.

The facts

Issued
Feb 2, 2021, 4:18 AM EST (09:18 UTC)
Expired
Feb 2, 2021, 6:14 AM EST
In force
116 min
Issued by
NWS Boston/Norton, MA

The text

As transmitted.

211 
WHUS71 KBOX 020918
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
418 AM EST Tue Feb 2 2021

ANZ231-233>235-237-021730-
/O.EXB.KBOX.GL.W.0006.000000T0000Z-210203T0000Z/
Cape Cod Bay-Vineyard Sound-Buzzards Bay-Rhode Island Sound-
Block Island Sound-
418 AM EST Tue Feb 2 2021

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

* WHAT...Northeast winds 20 to 30 kt with gusts up to 40 kt and 
  seas 7 to 10 feet.

* WHERE...In Massachusetts coastal waters, Cape Cod Bay, 
  Vineyard Sound and Buzzards Bay. In Rhode Island coastal 
  waters, Rhode Island Sound and Block Island Sound.

* WHEN...Until 7 PM EST this evening.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ANZ256-021730-
/O.EXB.KBOX.GL.W.0006.000000T0000Z-210203T0000Z/
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
418 AM EST Tue Feb 2 2021

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

* WHAT...Northeast winds 15 to 25 kt with gusts up to 40 kt and 
  seas 7 to 12 feet.

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

* WHEN...Until 7 PM EST this evening.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ANZ232-021300-
/O.EXB.KBOX.GL.W.0006.000000T0000Z-210202T1300Z/
Nantucket Sound-
418 AM EST Tue Feb 2 2021

...GALE WARNING IN EFFECT UNTIL 8 AM EST THIS MORNING...

* WHAT...Northeast winds 15 to 20 kt with gusts up to 35 kt and 
  seas 3 to 5 feet.

* WHERE...Nantucket Sound.

* WHEN...Until 8 AM EST this morning.

* 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.

&&

$$

ANZ254-255-021300-
/O.EXB.KBOX.GL.W.0006.000000T0000Z-210202T1300Z/
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-
418 AM EST Tue Feb 2 2021

...GALE WARNING IN EFFECT UNTIL 8 AM EST THIS MORNING...

* WHAT...Northeast winds 15 to 25 kt with gusts up to 45 kt and 
  seas 14 to 19 feet.

* 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 8 AM EST this morning.

* 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.

&&

$$

ANZ230-021730-
/O.EXT.KBOX.GL.W.0006.000000T0000Z-210202T2000Z/
Boston Harbor-
418 AM EST Tue Feb 2 2021

...GALE WARNING NOW IN EFFECT UNTIL 3 PM EST THIS AFTERNOON...

* WHAT...Northeast winds 25 to 35 kt with gusts up to 40 kt and 
  waves around 2 feet.

* WHERE...Boston Harbor.

* WHEN...Until 3 PM EST this afternoon.

* 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.

&&

$$

ANZ250-251-021730-
/O.EXT.KBOX.SR.W.0001.000000T0000Z-210202T2000Z/
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-Massachusetts Bay and Ipswich Bay-
418 AM EST Tue Feb 2 2021

...STORM WARNING NOW IN EFFECT UNTIL 3 PM EST THIS AFTERNOON...

* WHAT...Northeast winds 30 to 40 kt with gusts up to 50 kt and 
  seas 19 to 24 feet.

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

* WHEN...Until 3 PM EST this afternoon.

* 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.

&&

$$

ANZ236-021730-
/O.NEW.KBOX.SC.Y.0011.210202T0918Z-210203T0300Z/
Narragansett Bay-
418 AM EST Tue Feb 2 2021

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EST THIS EVENING...

* WHAT...North winds 15 to 20 kt with gusts up to 30 kt and waves
  2 to 3 feet.

* WHERE...Narragansett Bay.

* WHEN...Until 10 PM EST this evening.

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


PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

Frank
1 follow-up statement
835 
WHUS71 KBOX 021114
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
614 AM EST Tue Feb 2 2021

ANZ236-021915-
/O.UPG.KBOX.SC.Y.0011.000000T0000Z-210203T0300Z/
/O.NEW.KBOX.GL.W.0007.210202T1114Z-210202T1500Z/
Narragansett Bay-
614 AM EST Tue Feb 2 2021

...GALE WARNING IN EFFECT UNTIL 10 AM EST THIS MORNING...

* WHAT...Northeast winds 15 to 20 kt with gusts up to 35 kt and 
  waves around 3 feet.

* WHERE...Narragansett Bay.

* WHEN...Until 10 AM EST this morning.

* 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.

&&

$$

ANZ232-021500-
/O.EXT.KBOX.GL.W.0006.000000T0000Z-210202T1500Z/
Nantucket Sound-
614 AM EST Tue Feb 2 2021

...GALE WARNING NOW IN EFFECT UNTIL 10 AM EST THIS MORNING...

* WHAT...Northeast winds 10 to 20 kt with gusts up to 35 kt and 
  seas 3 to 5 feet.

* WHERE...Nantucket Sound.

* WHEN...Until 10 AM EST this morning.

* 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.

&&

$$

ANZ254-255-021500-
/O.EXT.KBOX.GL.W.0006.000000T0000Z-210202T1500Z/
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-
614 AM EST Tue Feb 2 2021

...GALE WARNING NOW IN EFFECT UNTIL 10 AM EST THIS MORNING...

* WHAT...Northeast winds 15 to 25 kt with gusts up to 40 kt and 
  seas 12 to 17 feet.

* 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 10 AM EST this morning.

* 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.

&&

$$

ANZ250-251-021500-
/O.EXT.KBOX.SR.W.0001.000000T0000Z-210202T1500Z/
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-Massachusetts Bay and Ipswich Bay-
614 AM EST Tue Feb 2 2021

...STORM WARNING NOW IN EFFECT UNTIL 10 AM EST THIS MORNING...

* WHAT...Northeast winds 25 to 35 kt with gusts up to 50 kt and 
  seas 18 to 23 feet.

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

* WHEN...Until 10 AM EST this morning.

* 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.

&&

$$

ANZ230-021915-
/O.CON.KBOX.GL.W.0006.000000T0000Z-210202T2000Z/
Boston Harbor-
614 AM EST Tue Feb 2 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 3 PM EST THIS AFTERNOON...

* WHAT...Northeast winds 25 to 30 kt with gusts up to 40 kt and 
  waves around 2 feet.

* WHERE...Boston Harbor.

* WHEN...Until 3 PM EST this afternoon.

* 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.

&&

$$

ANZ231-233>235-237-021915-
/O.CON.KBOX.GL.W.0006.000000T0000Z-210203T0000Z/
Cape Cod Bay-Vineyard Sound-Buzzards Bay-Rhode Island Sound-
Block Island Sound-
614 AM EST Tue Feb 2 2021

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

* WHAT...Northeast winds 15 to 25 kt with gusts up to 40 kt and 
  seas 6 to 9 feet.

* WHERE...In Massachusetts coastal waters, Vineyard Sound, Cape 
  Cod Bay and Buzzards Bay. In Rhode Island coastal waters, 
  Block Island Sound and Rhode Island Sound.

* WHEN...Until 7 PM EST this evening.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ANZ256-021915-
/O.CON.KBOX.GL.W.0006.000000T0000Z-210203T0000Z/
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
614 AM EST Tue Feb 2 2021

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

* WHAT...Northeast winds 15 to 25 kt with gusts up to 40 kt and 
  seas 7 to 11 feet.

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

* WHEN...Until 7 PM EST this evening.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

Frank

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 1, 7:24 PM ESTWinter Weather AdvisoryBOXBristol, Essex, Norfolk, Plymouth, Suffolk6 hr
Feb 1, 10:31 PM ESTWind AdvisoryBOXEssex, Norfolk, Plymouth, Suffolk6 hr
Feb 2, 4:07 AM ESTWinter Weather AdvisoryBOXEssex, Franklin, Hampden, Hampshire, Middlesex, Norfolk and 2 more11 hr
Feb 2, 6:14 AM ESTGale WarningBOX4 hr
Feb 2, 9:52 AM ESTSmall Craft AdvisoryBOX66 hr

Nearby

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

Sources

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