Alert archive / Massachusetts / Storm Warnings in 2020

Storm Warning 5, NWS Boston/Norton, MA

September 21, 2020

NWS Boston/Norton, MA issued this storm warning at Sep 21, 2020, 3:47 PM EDT. It took effect at Sep 22, 2020, 8:00 AM EDT. It was in force for 11 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
Sep 21, 2020, 3:47 PM EDT (19:47 UTC)
In effect from
Sep 22, 2020, 8:00 AM EDT
Expired
Sep 22, 2020, 6:47 PM EDT
In force
11 hr
Issued by
NWS Boston/Norton, MA

The text

As transmitted.

025 
WHUS71 KBOX 211947
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
347 PM EDT Mon Sep 21 2020

ANZ254-255-220800-
/O.UPG.KBOX.SR.A.0004.200922T1200Z-200923T0300Z/
/O.NEW.KBOX.SR.W.0005.200922T1500Z-200923T0300Z/
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-
347 PM EDT Mon Sep 21 2020

...STORM WARNING IN EFFECT FROM 11 AM TO 11 PM EDT TUESDAY...

* WHAT...North winds 25 to 35 kt with gusts up to 50 kt and seas 
  16 to 21 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 11 AM to 11 PM EDT 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.

&&

$$

ANZ232-220800-
/O.UPG.KBOX.SR.A.0004.200922T1200Z-200923T0000Z/
/O.NEW.KBOX.SR.W.0005.200922T1500Z-200923T0300Z/
Nantucket Sound-
347 PM EDT Mon Sep 21 2020

...STORM WARNING IN EFFECT FROM 11 AM TO 11 PM EDT TUESDAY...

* WHAT...North winds 20 to 30 kt with gusts up to 50 kt and seas 
  4 to 7 feet expected.

* WHERE...Nantucket Sound.

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

&&

$$

ANZ231-233>235-220800-
/O.EXT.KBOX.GL.W.0035.200922T1200Z-200923T1200Z/
Cape Cod Bay-Vineyard Sound-Buzzards Bay-Rhode Island Sound-
347 PM EDT Mon Sep 21 2020

...GALE WARNING NOW IN EFFECT FROM 8 AM TUESDAY TO 8 AM EDT
WEDNESDAY...

* WHAT...North winds 15 to 25 kt with gusts up to 45 kt and seas 
  6 to 9 feet expected.

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

* WHEN...From 8 AM Tuesday to 8 AM EDT Wednesday.

* 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.

&&

$$

ANZ250-220800-
/O.EXT.KBOX.GL.W.0035.200922T1200Z-200923T1200Z/
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
347 PM EDT Mon Sep 21 2020

...GALE WARNING NOW IN EFFECT FROM 8 AM TUESDAY TO 8 AM EDT
WEDNESDAY...

* WHAT...North winds 20 to 30 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...From 8 AM Tuesday to 8 AM EDT Wednesday.

* 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.

&&

$$

ANZ256-220800-
/O.CON.KBOX.GL.W.0035.200922T1200Z-200923T0300Z/
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
347 PM EDT Mon Sep 21 2020

...GALE WARNING REMAINS IN EFFECT FROM 8 AM TO 11 PM EDT
TUESDAY...

* WHAT...North winds 20 to 25 kt with gusts up to 40 kt and seas 
  8 to 12 feet expected.

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

* WHEN...From 8 AM to 11 PM EDT 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.

&&

$$

ANZ251-220800-
/O.CON.KBOX.GL.W.0035.200922T1200Z-200923T0300Z/
Massachusetts Bay and Ipswich Bay-
347 PM EDT Mon Sep 21 2020

...GALE WARNING REMAINS IN EFFECT FROM 8 AM TO 11 PM EDT
TUESDAY...

* WHAT...North winds 15 to 25 kt with gusts up to 35 kt and seas 
  9 to 14 feet expected.

* WHERE...Massachusetts Bay and Ipswich Bay.

* WHEN...From 8 AM to 11 PM EDT 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.

&&

$$

ANZ237-220800-
/O.CON.KBOX.SC.Y.0106.000000T0000Z-200923T0000Z/
Block Island Sound-
347 PM EDT Mon Sep 21 2020

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT
TUESDAY...

* WHAT...North winds 10 to 20 kt with gusts up to 35 kt and seas 
  6 to 9 feet.

* WHERE...Block Island Sound.

* WHEN...Until 8 PM EDT Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ANZ230-236-220800-
/O.CON.KBOX.SC.Y.0107.200922T1300Z-200922T2300Z/
Boston Harbor-Narragansett Bay-
347 PM EDT Mon Sep 21 2020

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 AM TO 7 PM EDT
TUESDAY...

* WHAT...North winds 15 to 20 kt with gusts up to 30 kt and 
  waves 4 to 7 feet expected.

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

* WHEN...From 9 AM to 7 PM EDT Tuesday.

* 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
4 follow-up statements
004 
WHUS71 KBOX 220148
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
948 PM EDT Mon Sep 21 2020

ANZ231-233>235-221000-
/O.CON.KBOX.GL.W.0035.200922T1200Z-200923T1200Z/
Cape Cod Bay-Vineyard Sound-Buzzards Bay-Rhode Island Sound-
948 PM EDT Mon Sep 21 2020

...GALE WARNING REMAINS IN EFFECT FROM 8 AM TUESDAY TO 8 AM EDT
WEDNESDAY...

* WHAT...North winds 15 to 25 kt with gusts up to 45 kt and seas 
  6 to 9 feet expected.

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

* WHEN...From 8 AM Tuesday to 8 AM EDT Wednesday.

* 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.

&&

$$

ANZ256-221000-
/O.CON.KBOX.GL.W.0035.200922T1200Z-200923T0300Z/
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
948 PM EDT Mon Sep 21 2020

...GALE WARNING REMAINS IN EFFECT FROM 8 AM TO 11 PM EDT
TUESDAY...

* WHAT...North winds 20 to 25 kt with gusts up to 40 kt and seas 
  8 to 12 feet expected.

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

* WHEN...From 8 AM to 11 PM EDT 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.

&&

$$

ANZ251-221000-
/O.CON.KBOX.GL.W.0035.200922T1200Z-200923T0300Z/
Massachusetts Bay and Ipswich Bay-
948 PM EDT Mon Sep 21 2020

...GALE WARNING REMAINS IN EFFECT FROM 8 AM TO 11 PM EDT
TUESDAY...

* WHAT...North winds 15 to 25 kt with gusts up to 35 kt and seas 
  9 to 14 feet expected.

* WHERE...Massachusetts Bay and Ipswich Bay.

* WHEN...From 8 AM to 11 PM EDT 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.

&&

$$

ANZ250-221000-
/O.CON.KBOX.GL.W.0035.200922T1200Z-200923T1200Z/
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
948 PM EDT Mon Sep 21 2020

...GALE WARNING REMAINS IN EFFECT FROM 8 AM TUESDAY TO 8 AM EDT
WEDNESDAY...

* WHAT...North winds 20 to 30 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...From 8 AM Tuesday to 8 AM EDT Wednesday.

* 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.

&&

$$

ANZ254-255-221000-
/O.CON.KBOX.SR.W.0005.200922T1500Z-200923T0300Z/
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-
948 PM EDT Mon Sep 21 2020

...STORM WARNING REMAINS IN EFFECT FROM 11 AM TO 11 PM EDT
TUESDAY...

* WHAT...North winds 25 to 35 kt with gusts up to 50 kt and seas 
  16 to 21 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 11 AM to 11 PM EDT 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.

&&

$$

ANZ232-221000-
/O.CON.KBOX.SR.W.0005.200922T1500Z-200923T0300Z/
Nantucket Sound-
948 PM EDT Mon Sep 21 2020

...STORM WARNING REMAINS IN EFFECT FROM 11 AM TO 11 PM EDT
TUESDAY...

* WHAT...North winds 20 to 30 kt with gusts up to 50 kt and seas 
  4 to 7 feet expected.

* WHERE...Nantucket Sound.

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

&&

$$

ANZ237-221000-
/O.CON.KBOX.SC.Y.0106.000000T0000Z-200923T0000Z/
Block Island Sound-
948 PM EDT Mon Sep 21 2020

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT
TUESDAY...

* WHAT...North winds 10 to 20 kt with gusts up to 30 kt and seas 
  6 to 9 feet.

* WHERE...Block Island Sound.

* WHEN...Until 8 PM EDT Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ANZ230-236-221000-
/O.CON.KBOX.SC.Y.0107.200922T1300Z-200922T2300Z/
Boston Harbor-Narragansett Bay-
948 PM EDT Mon Sep 21 2020

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 AM TO 7 PM EDT
TUESDAY...

* WHAT...North winds 15 to 20 kt with gusts up to 30 kt and 
  waves 4 to 7 feet expected.

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

* WHEN...From 9 AM to 7 PM EDT Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
854 
WHUS71 KBOX 220712
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
312 AM EDT Tue Sep 22 2020

ANZ254-255-221515-
/O.EXT.KBOX.SR.W.0005.200922T1200Z-200923T0600Z/
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-
312 AM EDT Tue Sep 22 2020

...STORM WARNING NOW IN EFFECT FROM 8 AM THIS MORNING TO 2 AM EDT
WEDNESDAY...

* WHAT...North winds 30 to 40 kt with gusts up to 55 kt and seas 
  17 to 22 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 8 AM this morning to 2 AM EDT Wednesday.

* 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.

&&

$$

ANZ232-221515-
/O.EXT.KBOX.SR.W.0005.200922T1200Z-200923T0600Z/
Nantucket Sound-
312 AM EDT Tue Sep 22 2020

...STORM WARNING NOW IN EFFECT FROM 8 AM THIS MORNING TO 2 AM EDT
WEDNESDAY...

* WHAT...North winds 20 to 30 kt with gusts up to 50 kt and seas 
  4 to 7 feet expected.

* WHERE...Nantucket Sound.

* WHEN...From 8 AM this morning to 2 AM EDT Wednesday.

* 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.

&&

$$

ANZ231-233>235-221515-
/O.CON.KBOX.GL.W.0035.200922T1200Z-200923T1200Z/
Cape Cod Bay-Vineyard Sound-Buzzards Bay-Rhode Island Sound-
312 AM EDT Tue Sep 22 2020

...GALE WARNING REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 8 AM
EDT WEDNESDAY...

* WHAT...North winds 20 to 30 kt with gusts up to 45 kt and seas 
  7 to 10 feet expected.

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

* WHEN...From 8 AM this morning to 8 AM EDT Wednesday.

* 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.

&&

$$

ANZ256-221515-
/O.CON.KBOX.GL.W.0035.200922T1200Z-200923T0300Z/
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
312 AM EDT Tue Sep 22 2020

...GALE WARNING REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 11 PM
EDT THIS EVENING...

* WHAT...North winds 20 to 25 kt with gusts up to 45 kt and seas 
  9 to 14 feet expected.

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

* WHEN...From 8 AM this morning to 11 PM EDT 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.

&&

$$

ANZ251-221515-
/O.CON.KBOX.GL.W.0035.200922T1200Z-200923T0300Z/
Massachusetts Bay and Ipswich Bay-
312 AM EDT Tue Sep 22 2020

...GALE WARNING REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 11 PM
EDT THIS EVENING...

* WHAT...North winds 15 to 25 kt with gusts up to 40 kt and seas 
  10 to 15 feet expected.

* WHERE...Massachusetts Bay and Ipswich Bay.

* WHEN...From 8 AM this morning to 11 PM EDT 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.

&&

$$

ANZ250-221515-
/O.CON.KBOX.GL.W.0035.200922T1200Z-200923T1200Z/
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
312 AM EDT Tue Sep 22 2020

...GALE WARNING REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 8 AM
EDT WEDNESDAY...

* WHAT...North winds 20 to 30 kt with gusts up to 45 kt and seas 
  15 to 20 feet expected.

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

* WHEN...From 8 AM this morning to 8 AM EDT Wednesday.

* 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.

&&

$$

ANZ237-221515-
/O.EXT.KBOX.SC.Y.0106.000000T0000Z-200924T0000Z/
Block Island Sound-
312 AM EDT Tue Sep 22 2020

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 8 PM EDT WEDNESDAY...

* WHAT...Northwest winds 10 to 20 kt with gusts up to 30 kt and 
  seas 6 to 9 feet.

* WHERE...Block Island Sound.

* WHEN...Until 8 PM EDT Wednesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ANZ230-236-221515-
/O.EXT.KBOX.SC.Y.0107.200922T1200Z-200923T0600Z/
Boston Harbor-Narragansett Bay-
312 AM EDT Tue Sep 22 2020

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 8 AM THIS MORNING TO
2 AM EDT WEDNESDAY...

* WHAT...North winds 10 to 20 kt with gusts up to 30 kt and waves
  1 to 3 feet expected.

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

* WHEN...From 8 AM this morning to 2 AM EDT Wednesday.

* 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
187 
WHUS71 KBOX 221506
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
1106 AM EDT Tue Sep 22 2020

ANZ231-233>235-230300-
/O.CON.KBOX.GL.W.0035.000000T0000Z-200923T1200Z/
Cape Cod Bay-Vineyard Sound-Buzzards Bay-Rhode Island Sound-
1106 AM EDT Tue Sep 22 2020

...GALE WARNING REMAINS IN EFFECT UNTIL 8 AM EDT WEDNESDAY...

* WHAT...North winds 20 to 30 kt with gusts up to 45 kt and seas 
  7 to 10 feet expected.

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

* WHEN...Through 8 AM EDT Wednesday.

* 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.

&&

$$

ANZ256-230300-
/O.CON.KBOX.GL.W.0035.000000T0000Z-200923T0300Z/
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
1106 AM EDT Tue Sep 22 2020

...GALE WARNING REMAINS IN EFFECT UNTIL 11 PM EDT THIS EVENING...

* WHAT...North winds 20 to 25 kt with gusts up to 45 kt and seas 
  9 to 14 feet expected.

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

* WHEN...Through 11 PM EDT 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.

&&

$$

ANZ251-230300-
/O.CON.KBOX.GL.W.0035.000000T0000Z-200923T0300Z/
Massachusetts Bay and Ipswich Bay-
1106 AM EDT Tue Sep 22 2020

...GALE WARNING REMAINS IN EFFECT UNTIL 11 PM EDT THIS EVENING...

* WHAT...North winds 15 to 25 kt with gusts up to 40 kt and seas 
  10 to 15 feet expected.

* WHERE...Massachusetts Bay and Ipswich Bay.

* WHEN...Through 11 PM EDT 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.

&&

$$

ANZ250-230300-
/O.CON.KBOX.GL.W.0035.000000T0000Z-200923T1200Z/
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
1106 AM EDT Tue Sep 22 2020

...GALE WARNING REMAINS IN EFFECT UNTIL 8 AM EDT WEDNESDAY...

* WHAT...North winds 20 to 30 kt with gusts up to 45 kt and seas 
  15 to 20 feet expected.

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

* WHEN...Through 8 AM EDT Wednesday.

* 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.

&&

$$

ANZ254-255-230300-
/O.CON.KBOX.SR.W.0005.000000T0000Z-200923T0600Z/
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-
1106 AM EDT Tue Sep 22 2020

...STORM WARNING REMAINS IN EFFECT UNTIL 2 AM EDT WEDNESDAY...

* WHAT...North winds 30 to 40 kt with gusts up to 55 kt and seas 
  17 to 22 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...Through 2 AM EDT Wednesday.

* 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.

&&

$$

ANZ232-230300-
/O.CON.KBOX.SR.W.0005.000000T0000Z-200923T0600Z/
Nantucket Sound-
1106 AM EDT Tue Sep 22 2020

...STORM WARNING REMAINS IN EFFECT UNTIL 2 AM EDT WEDNESDAY...

* WHAT...North winds 20 to 30 kt with gusts up to 50 kt and seas 
  4 to 7 feet expected.

* WHERE...Nantucket Sound.

* WHEN...Through 2 AM EDT Wednesday.

* 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.

&&

$$

ANZ237-230300-
/O.CON.KBOX.SC.Y.0106.000000T0000Z-200924T0000Z/
Block Island Sound-
1106 AM EDT Tue Sep 22 2020

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT
WEDNESDAY...

* WHAT...Northwest winds 10 to 20 kt with gusts up to 30 kt and 
  seas 6 to 9 feet.

* WHERE...Block Island Sound.

* WHEN...Until 8 PM EDT Wednesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ANZ230-236-230300-
/O.CON.KBOX.SC.Y.0107.000000T0000Z-200923T0600Z/
Boston Harbor-Narragansett Bay-
1106 AM EDT Tue Sep 22 2020

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 AM EDT
WEDNESDAY...

* WHAT...North winds 10 to 20 kt with gusts up to 30 kt and 
  waves 1 to 3 feet expected.

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

* WHEN...Through 2 AM EDT Wednesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
Nash
622 
WHUS71 KBOX 222247
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
647 PM EDT Tue Sep 22 2020

ANZ254-255-230300-
/O.CAN.KBOX.SR.W.0005.000000T0000Z-200923T0600Z/
/O.EXB.KBOX.GL.W.0035.000000T0000Z-200923T0300Z/
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-
647 PM EDT Tue Sep 22 2020

...GALE WARNING IN EFFECT UNTIL 11 PM EDT THIS EVENING...
...STORM WARNING IS CANCELLED...

* WHAT...Northwest winds 20 to 30 kt with gusts up to 45 kt and 
  seas 17 to 22 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 11 PM EDT 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.

&&

$$

ANZ231-230700-
/O.CAN.KBOX.GL.W.0035.000000T0000Z-200923T1200Z/
/O.EXB.KBOX.SC.Y.0106.000000T0000Z-200923T1200Z/
Cape Cod Bay-
647 PM EDT Tue Sep 22 2020

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT WEDNESDAY...
...GALE WARNING IS CANCELLED...

* WHAT...Northwest winds 15 to 20 kt with gusts up to 30 kt and 
  seas 6 to 11 feet.

* WHERE...Cape Cod Bay.

* WHEN...Until 8 AM EDT Wednesday.

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


PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ANZ256-230700-
/O.CAN.KBOX.GL.W.0035.000000T0000Z-200923T0300Z/
/O.EXB.KBOX.SC.Y.0106.000000T0000Z-200923T2200Z/
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
647 PM EDT Tue Sep 22 2020

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT WEDNESDAY...
...GALE WARNING IS CANCELLED...

* WHAT...Northwest winds 15 to 20 kt with gusts up to 30 kt and 
  seas 8 to 13 feet.

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

* WHEN...Until 6 PM EDT Wednesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ANZ251-230700-
/O.CAN.KBOX.GL.W.0035.000000T0000Z-200923T0300Z/
/O.EXB.KBOX.SC.Y.0106.000000T0000Z-200923T2200Z/
Massachusetts Bay and Ipswich Bay-
647 PM EDT Tue Sep 22 2020

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT WEDNESDAY...
...GALE WARNING IS CANCELLED...

* WHAT...Northwest winds 10 to 20 kt with gusts up to 30 kt and 
  seas 10 to 15 feet.

* WHERE...Massachusetts Bay and Ipswich Bay.

* WHEN...Until 6 PM EDT Wednesday.

* 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>235-230700-
/O.CAN.KBOX.GL.W.0035.000000T0000Z-200923T1200Z/
/O.EXB.KBOX.SC.Y.0106.000000T0000Z-200923T0900Z/
Vineyard Sound-Buzzards Bay-Rhode Island Sound-
647 PM EDT Tue Sep 22 2020

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM EDT WEDNESDAY...
...GALE WARNING IS CANCELLED...

* WHAT...Northwest winds 15 to 20 kt with gusts up to 30 kt and 
  seas 6 to 9 feet.

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

* WHEN...Until 5 AM EDT Wednesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ANZ232-230600-
/O.CAN.KBOX.SR.W.0005.000000T0000Z-200923T0600Z/
/O.EXB.KBOX.SC.Y.0106.000000T0000Z-200923T0600Z/
Nantucket Sound-
647 PM EDT Tue Sep 22 2020

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT WEDNESDAY...
...STORM WARNING IS CANCELLED...

* WHAT...Northwest winds 20 to 25 kt with gusts up to 30 kt and 
  seas 4 to 7 feet.

* WHERE...Nantucket Sound.

* WHEN...Until 2 AM EDT Wednesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ANZ230-236-230000-
/O.CAN.KBOX.SC.Y.0107.000000T0000Z-200923T0600Z/
Boston Harbor-Narragansett Bay-
647 PM EDT Tue Sep 22 2020

...SMALL CRAFT ADVISORY IS CANCELLED...


$$

ANZ250-230700-
/O.CON.KBOX.GL.W.0035.000000T0000Z-200923T1200Z/
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
647 PM EDT Tue Sep 22 2020

...GALE WARNING REMAINS IN EFFECT UNTIL 8 AM EDT WEDNESDAY...

* WHAT...Northwest winds 15 to 25 kt with gusts up to 45 kt and 
  seas 15 to 20 feet.

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

* WHEN...Until 8 AM EDT Wednesday.

* 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.

&&

$$

ANZ237-230700-
/O.EXT.KBOX.SC.Y.0106.000000T0000Z-200923T0900Z/
Block Island Sound-
647 PM EDT Tue Sep 22 2020

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 5 AM EDT WEDNESDAY...

* WHAT...Northwest winds around 15 kt with gusts up to 30 kt and 
  seas 6 to 9 feet.

* WHERE...Block Island Sound.

* WHEN...Until 5 AM EDT Wednesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 21, 3:16 AM EDTWind AdvisoryBOXBarnstable, Dukes, Nantucket, Norfolk, Plymouth42 hr
Sep 21, 3:19 AM EDTGale WarningBOX49 hr
Sep 21, 3:19 AM EDTSmall Craft AdvisoryBOX39 hr
Sep 21, 3:19 AM EDTStorm WatchBOX12 hr
Sep 21, 3:29 AM EDTCoastal Flood AdvisoryBOXBarnstable, Dukes, Essex, Nantucket, Norfolk, Plymouth and 1 more40 hr
Sep 21, 3:47 PM EDTFrost AdvisoryBOXBristol, Essex, Hampden, Middlesex, Norfolk, Worcester16 hr
Sep 21, 3:48 PM EDTFire Weather WatchBOXBarnstable, Bristol, Dukes, Essex, Franklin, Hampden and 7 more11 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.