Alert archive / Massachusetts / Small Craft Advisories in 2021

Small Craft Advisory 104, NWS Boston/Norton, MA

November 12, 2021

NWS Boston/Norton, MA issued this small craft advisory at Nov 12, 2021, 4:54 PM EST. It took effect at Nov 12, 2021, 5:00 PM EST. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued: Nov 12, 2021, 4:54 PM EST (21:54 UTC)
In effect from: Nov 12, 2021, 5:00 PM EST
Expired: Nov 12, 2021, 9:39 PM EST
In force: 5 hr
Issued by: NWS Boston/Norton, MA

The text

As transmitted.

005 
WHUS71 KBOX 122154
MWWBOX

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

ANZ236-130300-
/O.CAN.KBOX.GL.W.0031.000000T0000Z-211112T2200Z/
/O.NEW.KBOX.SC.Y.0104.211112T2200Z-211113T0300Z/
Narragansett Bay-
454 PM EST Fri Nov 12 2021

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EST THIS EVENING...
...GALE WARNING IS CANCELLED...

* WHAT...Southwest winds 5 to 15 kt with gusts up to 30 kt and 
  waves 2 to 4 feet expected.

* 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.

&&

$$

ANZ230-130300-
/O.CAN.KBOX.GL.W.0031.000000T0000Z-211112T2200Z/
/O.NEW.KBOX.SC.Y.0104.211112T2200Z-211113T0300Z/
Boston Harbor-
454 PM EST Fri Nov 12 2021

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EST THIS EVENING...
...GALE WARNING IS CANCELLED...

* WHAT...Southwest winds 10 to 15 kt with gusts up to 25 kt and 
  waves 1 to 2 feet expected.

* WHERE...Boston Harbor.

* 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.

&&

$$

ANZ231-251-130000-
/O.CON.KBOX.GL.W.0031.000000T0000Z-211113T0000Z/
Cape Cod Bay-Massachusetts Bay and Ipswich Bay-
454 PM EST Fri Nov 12 2021

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

* WHAT...South winds 15 to 20 kt with gusts up to 35 kt and seas 
  5 to 8 feet.

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

* 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.

&&

$$

ANZ250-254-130300-
/O.CON.KBOX.GL.W.0031.000000T0000Z-211113T0300Z/
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-
454 PM EST Fri Nov 12 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 10 PM EST THIS EVENING...

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

* WHERE...Coastal waters east of Ipswich Bay and the Stellwagen 
  Bank National Marine Sanctuary and Coastal waters from 
  Provincetown MA to Chatham MA to Nantucket MA out 20 nm.

* WHEN...Until 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.

&&

$$

ANZ255-130300-
/O.CON.KBOX.GL.W.0031.000000T0000Z-211113T0300Z/
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
454 PM EST Fri Nov 12 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 10 PM EST THIS EVENING...

* WHAT...South winds 15 to 25 kt with gusts up to 35 kt and seas 
  9 to 13 feet.

* WHERE...Coastal Waters extending out to 25 nm South of Marthas 
  Vineyard and Nantucket.

* WHEN...Until 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.

&&

$$

ANZ256-130000-
/O.CON.KBOX.GL.W.0031.000000T0000Z-211113T0000Z/
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
454 PM EST Fri Nov 12 2021

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

* WHAT...Southwest winds 15 to 20 kt with gusts up to 30 kt and 
  seas 9 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.

&&

$$

ANZ235-237-130000-
/O.CON.KBOX.GL.W.0031.000000T0000Z-211113T0000Z/
Rhode Island Sound-Block Island Sound-
454 PM EST Fri Nov 12 2021

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

* WHAT...Southwest winds 15 to 20 kt with gusts up to 30 kt and 
  seas 7 to 9 feet.

* WHERE...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.

&&

$$

ANZ232>234-130000-
/O.CON.KBOX.GL.W.0031.000000T0000Z-211113T0000Z/
Nantucket Sound-Vineyard Sound-Buzzards Bay-
454 PM EST Fri Nov 12 2021

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

* WHAT...South winds 15 to 25 kt with gusts up to 35 kt and seas 
  4 to 6 feet.

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

* 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.

&&

$$

2 follow-up statements

055 
WHUS71 KBOX 122358
MWWBOX

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

ANZ231-251-130400-
/O.EXP.KBOX.GL.W.0031.000000T0000Z-211113T0000Z/
/O.EXB.KBOX.SC.Y.0104.211113T0000Z-211113T0400Z/
Cape Cod Bay-Massachusetts Bay and Ipswich Bay-
658 PM EST Fri Nov 12 2021

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EST THIS EVENING...
...GALE WARNING WILL EXPIRE AT 7 PM EST THIS EVENING...

* WHAT...Southwest winds 10 to 15 kt with gusts up to 25 kt and 
  seas 4 to 7 feet expected.

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

* WHEN...Until 11 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.

&&

$$

ANZ256-130400-
/O.EXP.KBOX.GL.W.0031.000000T0000Z-211113T0000Z/
/O.EXB.KBOX.SC.Y.0104.211113T0000Z-211113T0400Z/
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
658 PM EST Fri Nov 12 2021

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EST THIS EVENING...
...GALE WARNING WILL EXPIRE AT 7 PM EST THIS EVENING...

* WHAT...Southwest winds 10 to 15 kt with gusts up to 25 kt and 
  seas 7 to 12 feet expected.

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

* WHEN...Until 11 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.

&&

$$

ANZ235-237-130400-
/O.EXP.KBOX.GL.W.0031.000000T0000Z-211113T0000Z/
/O.EXB.KBOX.SC.Y.0104.211113T0000Z-211113T0400Z/
Rhode Island Sound-Block Island Sound-
658 PM EST Fri Nov 12 2021

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EST THIS EVENING...
...GALE WARNING WILL EXPIRE AT 7 PM EST THIS EVENING...

* WHAT...West winds 10 to 15 kt and seas 6 to 9 feet expected.

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

* WHEN...Until 11 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.

&&

$$

ANZ232>234-130400-
/O.EXP.KBOX.GL.W.0031.000000T0000Z-211113T0000Z/
/O.EXB.KBOX.SC.Y.0104.211113T0000Z-211113T0400Z/
Nantucket Sound-Vineyard Sound-Buzzards Bay-
658 PM EST Fri Nov 12 2021

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EST THIS EVENING...
...GALE WARNING WILL EXPIRE AT 7 PM EST THIS EVENING...

* WHAT...Southwest winds 10 to 20 kt with gusts up to 30 kt and 
  seas 4 to 6 feet expected.

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

* WHEN...Until 11 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.

&&

$$

ANZ250-254-130400-
/O.EXT.KBOX.GL.W.0031.000000T0000Z-211113T0400Z/
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-
658 PM EST Fri Nov 12 2021

...GALE WARNING NOW IN EFFECT UNTIL 11 PM EST THIS EVENING...

* WHAT...South winds 15 to 25 kt with gusts up to 35 kt and seas 
  7 to 12 feet.

* WHERE...Coastal waters east of Ipswich Bay and the Stellwagen 
  Bank National Marine Sanctuary and Coastal waters from 
  Provincetown MA to Chatham MA to Nantucket MA out 20 nm.

* WHEN...Until 11 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.

&&

$$

ANZ255-130400-
/O.EXT.KBOX.GL.W.0031.000000T0000Z-211113T0400Z/
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
658 PM EST Fri Nov 12 2021

...GALE WARNING NOW IN EFFECT UNTIL 11 PM EST THIS EVENING...

* WHAT...Southwest winds 10 to 20 kt with gusts up to 30 kt and 
  seas 8 to 13 feet.

* WHERE...Coastal Waters extending out to 25 nm South of Marthas 
  Vineyard and Nantucket.

* WHEN...Until 11 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.

&&

$$

ANZ236-130400-
/O.EXT.KBOX.SC.Y.0104.000000T0000Z-211113T0400Z/
Narragansett Bay-
658 PM EST Fri Nov 12 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 11 PM EST THIS
EVENING...

* WHAT...West winds 5 to 10 kt and waves 1 to 3 feet.

* WHERE...Narragansett Bay.

* WHEN...Until 11 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.

&&

$$

ANZ230-130400-
/O.EXT.KBOX.SC.Y.0104.000000T0000Z-211113T0400Z/
Boston Harbor-
658 PM EST Fri Nov 12 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 11 PM EST THIS
EVENING...

* WHAT...Southwest winds 5 to 10 kt and waves 1 to 2 feet.

* WHERE...Boston Harbor.

* WHEN...Until 11 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.

&&

$$

601 
WHUS71 KBOX 130239
MWWBOX

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

ANZ255-131545-
/O.CAN.KBOX.GL.W.0031.000000T0000Z-211113T0400Z/
/O.NEW.KBOX.GL.W.0032.211113T2100Z-211114T1200Z/
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
939 PM EST Fri Nov 12 2021

...GALE WARNING IN EFFECT FROM 4 PM SATURDAY TO 7 AM EST SUNDAY...

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

* WHERE...Coastal Waters extending out to 25 nm South of Marthas 
  Vineyard and Nantucket.

* WHEN...From 4 PM Saturday to 7 AM EST Sunday.

* 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.

&&

$$

ANZ250-254-131545-
/O.CAN.KBOX.GL.W.0031.000000T0000Z-211113T0400Z/
/O.NEW.KBOX.GL.W.0032.211114T0000Z-211114T1300Z/
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-
939 PM EST Fri Nov 12 2021

...GALE WARNING IN EFFECT FROM 7 PM SATURDAY TO 8 AM EST SUNDAY...

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

* WHERE...Coastal waters east of Ipswich Bay and the Stellwagen 
  Bank National Marine Sanctuary and Coastal waters from 
  Provincetown MA to Chatham MA to Nantucket MA out 20 nm.

* WHEN...From 7 PM Saturday to 8 AM EST Sunday.

* 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>235-237-131545-
/O.CAN.KBOX.SC.Y.0104.000000T0000Z-211113T0400Z/
/O.NEW.KBOX.GL.W.0032.211113T2100Z-211114T1200Z/
Nantucket Sound-Vineyard Sound-Buzzards Bay-Rhode Island Sound-
Block Island Sound-
939 PM EST Fri Nov 12 2021

...GALE WARNING IN EFFECT FROM 4 PM SATURDAY TO 7 AM EST SUNDAY...
...SMALL CRAFT ADVISORY IS CANCELLED...

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

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

* WHEN...From 4 PM Saturday to 7 AM EST Sunday.

* 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.CAN.KBOX.SC.Y.0104.000000T0000Z-211113T0400Z/
/O.NEW.KBOX.GL.W.0032.211114T0000Z-211114T1200Z/
Boston Harbor-Narragansett Bay-
939 PM EST Fri Nov 12 2021

...GALE WARNING IN EFFECT FROM 7 PM SATURDAY TO 7 AM EST SUNDAY...

* WHAT...West winds 15 to 20 kt with gusts up to 35 kt and waves 
  2 to 4 feet expected.

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

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

* 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.

&&

$$

ANZ231-251-131545-
/O.CAN.KBOX.SC.Y.0104.000000T0000Z-211113T0400Z/
/O.NEW.KBOX.GL.W.0032.211114T0000Z-211114T1300Z/
Cape Cod Bay-Massachusetts Bay and Ipswich Bay-
939 PM EST Fri Nov 12 2021

...GALE WARNING IN EFFECT FROM 7 PM SATURDAY TO 8 AM EST SUNDAY...
...SMALL CRAFT ADVISORY IS CANCELLED...

* WHAT...West winds 15 to 25 kt with gusts up to 35 kt and seas 
  3 to 5 feet expected.

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

* WHEN...From 7 PM Saturday to 8 AM EST Sunday.

* 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.CAN.KBOX.SC.Y.0104.000000T0000Z-211113T0400Z/
/O.NEW.KBOX.GL.W.0032.211113T2100Z-211114T1200Z/
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
939 PM EST Fri Nov 12 2021

...GALE WARNING IN EFFECT FROM 4 PM SATURDAY TO 7 AM EST SUNDAY...

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

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

* WHEN...From 4 PM Saturday to 7 AM EST Sunday.

* 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.

Issued	Product	Office	Counties	Lasted
Nov 12, 3:13 AM EST	Wind Advisory	BOX	Barnstable, Bristol, Dukes, Essex, Nantucket, Norfolk and 1 more	16 hr
Nov 12, 12:48 PM EST	Special Weather Statement	BOX	Worcester	42 min
Nov 12, 1:33 PM EST	Special Weather Statement	BOX	Norfolk	42 min
Nov 12, 1:35 PM EST	Special Weather Statement	BOX	Worcester	40 min
Nov 12, 3:12 PM EST	Areal Flood Warning	BOX	Bristol	3 hr
Nov 12, 3:20 PM EST	Special Weather Statement	BOX	Essex, Middlesex	40 min
Nov 12, 3:24 PM EST	Special Marine Warning	BOX		27 min
Nov 12, 3:31 PM EST	Special Weather Statement	BOX	Suffolk	44 min
Nov 12, 3:41 PM EST	Special Marine Warning	BOX		30 min
Nov 12, 5:30 PM EST	Special Marine Warning	BOX		45 min
Nov 12, 5:52 PM EST	Tornado Warning	BOX	Nantucket	11 min
Nov 12, 2:03 PM EST	Special Weather Statement	BOX	Kent	57 min

Nearby

Small Craft Advisories in Massachusetts, 2021 Every 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.