Alert archive / Massachusetts / Storm Warnings in 2021

Storm Warning 3, NWS Boston/Norton, MA

March 18, 2021

NWS Boston/Norton, MA issued this storm warning at Mar 18, 2021, 2:35 AM EDT. It took effect at Mar 19, 2021, 2:00 AM EDT. It was in force for 5 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
Mar 18, 2021, 2:35 AM EDT (06:35 UTC)
In effect from
Mar 19, 2021, 2:00 AM EDT
Expired
Mar 19, 2021, 6:35 AM EDT
In force
5 hr
Issued by
NWS Boston/Norton, MA

The text

As transmitted.

777 
WHUS71 KBOX 180635
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
235 AM EDT Thu Mar 18 2021

ANZ254>256-181945-
/O.UPG.KBOX.GL.W.0017.210319T0600Z-210320T0000Z/
/O.NEW.KBOX.SR.W.0003.210319T0600Z-210319T1500Z/
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-
235 AM EDT Thu Mar 18 2021

...STORM WARNING IN EFFECT FROM 2 AM TO 11 AM EDT FRIDAY...

* WHAT...Northeast winds 25 to 35 kt with gusts up to 50 kt and 
  seas 7 to 12 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...From 2 AM to 11 AM EDT Friday.

* 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.

&&

$$

ANZ232-181945-
/O.UPG.KBOX.GL.W.0017.210319T0600Z-210320T0000Z/
/O.NEW.KBOX.SR.W.0003.210319T0600Z-210319T1500Z/
Nantucket Sound-
235 AM EDT Thu Mar 18 2021

...STORM WARNING IN EFFECT FROM 2 AM TO 11 AM EDT FRIDAY...

* WHAT...Northeast winds 25 to 35 kt with gusts up to 50 kt and 
  seas 6 to 9 feet expected.

* WHERE...Nantucket Sound.

* WHEN...From 2 AM to 11 AM EDT Friday.

* 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.

&&

$$

ANZ251-181945-
/O.EXT.KBOX.GL.W.0017.210319T0300Z-210319T2200Z/
Massachusetts Bay and Ipswich Bay-
235 AM EDT Thu Mar 18 2021

...GALE WARNING NOW IN EFFECT FROM 11 PM THIS EVENING TO 6 PM EDT
FRIDAY...

* WHAT...North winds 25 to 35 kt with gusts up to 40 kt and seas 
  7 to 10 feet expected.

* WHERE...Massachusetts Bay and Ipswich Bay.

* WHEN...From 11 PM this evening to 6 PM EDT Friday.

* 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.

&&

$$

ANZ231-181945-
/O.EXT.KBOX.GL.W.0017.210319T0600Z-210319T2200Z/
Cape Cod Bay-
235 AM EDT Thu Mar 18 2021

...GALE WARNING NOW IN EFFECT FROM 2 AM TO 6 PM EDT FRIDAY...

* WHAT...North winds 25 to 35 kt with gusts up to 45 kt and seas 
  6 to 11 feet expected.

* WHERE...Cape Cod Bay.

* WHEN...From 2 AM to 6 PM EDT Friday.

* 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.

&&

$$

ANZ233-234-181945-
/O.EXT.KBOX.GL.W.0017.210319T0600Z-210319T2200Z/
Vineyard Sound-Buzzards Bay-
235 AM EDT Thu Mar 18 2021

...GALE WARNING NOW IN EFFECT FROM 2 AM TO 6 PM EDT FRIDAY...

* WHAT...Northeast winds 20 to 30 kt with gusts up to 45 kt and 
  seas 4 to 7 feet expected.

* WHERE...Vineyard Sound and Buzzards Bay.

* WHEN...From 2 AM to 6 PM EDT Friday.

* 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.

&&

$$

ANZ235-237-181945-
/O.EXT.KBOX.GL.W.0017.210319T0600Z-210319T2200Z/
Rhode Island Sound-Block Island Sound-
235 AM EDT Thu Mar 18 2021

...GALE WARNING NOW IN EFFECT FROM 2 AM TO 6 PM EDT FRIDAY...

* WHAT...Northeast winds 25 to 35 kt with gusts up to 45 kt and 
  seas 6 to 9 feet expected.

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

* WHEN...From 2 AM to 6 PM EDT Friday.

* 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.

&&

$$

ANZ230-236-181945-
/O.EXT.KBOX.GL.W.0017.210319T0600Z-210319T1800Z/
Boston Harbor-Narragansett Bay-
235 AM EDT Thu Mar 18 2021

...GALE WARNING NOW IN EFFECT FROM 2 AM TO 2 PM EDT FRIDAY...

* WHAT...North winds 20 to 25 kt with gusts up to 40 kt and 
  waves around 3 feet expected.

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

* WHEN...From 2 AM to 2 PM EDT Friday.

* 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.

&&

$$

ANZ250-181945-
/O.EXT.KBOX.GL.W.0017.210319T0300Z-210319T2200Z/
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
235 AM EDT Thu Mar 18 2021

...GALE WARNING NOW IN EFFECT FROM 11 PM THIS EVENING TO 6 PM EDT
FRIDAY...

* WHAT...North winds 25 to 35 kt with gusts up to 45 kt and seas 
  7 to 12 feet expected.

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

* WHEN...From 11 PM this evening to 6 PM EDT Friday.

* 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.

&&

$$
3 follow-up statements
030 
WHUS71 KBOX 182002
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
402 PM EDT Thu Mar 18 2021

ANZ251-190915-
/O.CON.KBOX.GL.W.0017.210319T0300Z-210319T2200Z/
Massachusetts Bay and Ipswich Bay-
402 PM EDT Thu Mar 18 2021

...GALE WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 6 PM
EDT FRIDAY...

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

* WHERE...Massachusetts Bay and Ipswich Bay.

* WHEN...From 11 PM this evening to 6 PM EDT Friday.

* 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.

&&

$$

ANZ231-190915-
/O.CON.KBOX.GL.W.0017.210319T0600Z-210319T2200Z/
Cape Cod Bay-
402 PM EDT Thu Mar 18 2021

...GALE WARNING REMAINS IN EFFECT FROM 2 AM TO 6 PM EDT FRIDAY...

* WHAT...North winds 20 to 30 kt with gusts up to 45 kt and seas 
  5 to 8 feet expected.

* WHERE...Cape Cod Bay.

* WHEN...From 2 AM to 6 PM EDT Friday.

* 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.

&&

$$

ANZ233-234-190915-
/O.CON.KBOX.GL.W.0017.210319T0600Z-210319T2200Z/
Vineyard Sound-Buzzards Bay-
402 PM EDT Thu Mar 18 2021

...GALE WARNING REMAINS IN EFFECT FROM 2 AM TO 6 PM EDT FRIDAY...

* WHAT...North winds 20 to 30 kt with gusts up to 45 kt and seas 
  4 to 6 feet expected.

* WHERE...Vineyard Sound and Buzzards Bay.

* WHEN...From 2 AM to 6 PM EDT Friday.

* 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.

&&

$$

ANZ235-237-190915-
/O.CON.KBOX.GL.W.0017.210319T0600Z-210319T2200Z/
Rhode Island Sound-Block Island Sound-
402 PM EDT Thu Mar 18 2021

...GALE WARNING REMAINS IN EFFECT FROM 2 AM TO 6 PM EDT FRIDAY...

* WHAT...North winds 20 to 30 kt with gusts up to 45 kt and seas 
  4 to 6 feet expected.

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

* WHEN...From 2 AM to 6 PM EDT Friday.

* 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.

&&

$$

ANZ230-236-190915-
/O.CON.KBOX.GL.W.0017.210319T0600Z-210319T1800Z/
Boston Harbor-Narragansett Bay-
402 PM EDT Thu Mar 18 2021

...GALE WARNING REMAINS IN EFFECT FROM 2 AM TO 2 PM EDT FRIDAY...

* WHAT...North winds 20 to 25 kt with gusts up to 40 kt and 
  waves around 3 feet expected.

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

* WHEN...From 2 AM to 2 PM EDT Friday.

* 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.

&&

$$

ANZ250-190915-
/O.CON.KBOX.GL.W.0017.210319T0300Z-210319T2200Z/
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
402 PM EDT Thu Mar 18 2021

...GALE WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 6 PM
EDT FRIDAY...

* WHAT...North winds 20 to 30 kt with gusts up to 45 kt and seas 
  7 to 12 feet expected.

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

* WHEN...From 11 PM this evening to 6 PM EDT Friday.

* 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>256-190915-
/O.CON.KBOX.SR.W.0003.210319T0600Z-210319T1500Z/
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-
402 PM EDT Thu Mar 18 2021

...STORM WARNING REMAINS IN EFFECT FROM 2 AM TO 11 AM EDT
FRIDAY...

* WHAT...North winds 30 to 35 kt with gusts up to 50 kt and seas 
  8 to 13 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...From 2 AM to 11 AM EDT Friday.

* 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.

&&

$$

ANZ232-190915-
/O.CON.KBOX.SR.W.0003.210319T0600Z-210319T1500Z/
Nantucket Sound-
402 PM EDT Thu Mar 18 2021

...STORM WARNING REMAINS IN EFFECT FROM 2 AM TO 11 AM EDT
FRIDAY...

* WHAT...North winds 25 to 30 kt with gusts up to 50 kt and seas 
  4 to 6 feet expected.

* WHERE...Nantucket Sound.

* WHEN...From 2 AM to 11 AM EDT Friday.

* 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.

&&

$$
949 
WHUS71 KBOX 190744
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
344 AM EDT Fri Mar 19 2021

ANZ232-192045-
/O.CAN.KBOX.SR.W.0003.000000T0000Z-210319T1500Z/
/O.EXA.KBOX.GL.W.0017.000000T0000Z-210319T2200Z/
Nantucket Sound-
344 AM EDT Fri Mar 19 2021

...GALE WARNING IN EFFECT UNTIL 6 PM EDT THIS EVENING...
...STORM WARNING IS CANCELLED...

* WHAT...North winds 25 to 35 kt with gusts up to 45 kt and seas 
  4 to 6 feet.

* WHERE...Nantucket Sound.

* WHEN...Until 6 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.

&&

$$

ANZ231-192000-
/O.EXT.KBOX.GL.W.0017.000000T0000Z-210319T2000Z/
Cape Cod Bay-
344 AM EDT Fri Mar 19 2021

...GALE WARNING NOW IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON...

* WHAT...North winds 25 to 35 kt with gusts up to 45 kt and seas 
  6 to 11 feet.

* WHERE...Cape Cod Bay.

* WHEN...Until 4 PM EDT this afternoon.

* 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.

&&

$$

ANZ251-191800-
/O.EXT.KBOX.GL.W.0017.000000T0000Z-210319T1800Z/
Massachusetts Bay and Ipswich Bay-
344 AM EDT Fri Mar 19 2021

...GALE WARNING NOW IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON...

* WHAT...North winds 25 to 30 kt with gusts up to 40 kt and seas 
  6 to 11 feet.

* WHERE...Massachusetts Bay and Ipswich Bay.

* WHEN...Until 2 PM EDT this afternoon.

* 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.

&&

$$

ANZ233-234-192000-
/O.EXT.KBOX.GL.W.0017.000000T0000Z-210319T2000Z/
Vineyard Sound-Buzzards Bay-
344 AM EDT Fri Mar 19 2021

...GALE WARNING NOW IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON...

* WHAT...North winds 25 to 30 kt with gusts up to 45 kt and seas 
  4 to 6 feet.

* WHERE...Vineyard Sound and Buzzards Bay.

* WHEN...Until 4 PM EDT this afternoon.

* 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.

&&

$$

ANZ235-237-191800-
/O.EXT.KBOX.GL.W.0017.000000T0000Z-210319T1800Z/
Rhode Island Sound-Block Island Sound-
344 AM EDT Fri Mar 19 2021

...GALE WARNING NOW IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON...

* WHAT...North winds 25 to 30 kt with gusts up to 45 kt and seas 
  4 to 6 feet.

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

* WHEN...Until 2 PM EDT this afternoon.

* 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.

&&

$$

ANZ230-236-191500-
/O.EXT.KBOX.GL.W.0017.000000T0000Z-210319T1500Z/
Boston Harbor-Narragansett Bay-
344 AM EDT Fri Mar 19 2021

...GALE WARNING NOW IN EFFECT UNTIL 11 AM EDT THIS MORNING...

* WHAT...North winds 25 to 30 kt with gusts up to 35 kt and 
  waves around 3 feet.

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

* WHEN...Until 11 AM EDT 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.

&&

$$

ANZ250-192000-
/O.EXT.KBOX.GL.W.0017.000000T0000Z-210319T2000Z/
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
344 AM EDT Fri Mar 19 2021

...GALE WARNING NOW IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON...

* WHAT...North winds 25 to 35 kt with gusts up to 40 kt and seas 
  8 to 13 feet.

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

* WHEN...Until 4 PM EDT this afternoon.

* 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>256-191500-
/O.CON.KBOX.SR.W.0003.000000T0000Z-210319T1500Z/
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-
344 AM EDT Fri Mar 19 2021

...STORM WARNING REMAINS IN EFFECT UNTIL 11 AM EDT THIS MORNING...

* WHAT...North winds 30 to 35 kt with gusts up to 50 kt and seas 
  8 to 13 feet.

* 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 11 AM EDT 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.

&&

$$
538 
WHUS71 KBOX 191035
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
635 AM EDT Fri Mar 19 2021

ANZ254>256-192100-
/O.CAN.KBOX.SR.W.0003.000000T0000Z-210319T1500Z/
/O.EXB.KBOX.GL.W.0017.000000T0000Z-210319T2100Z/
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-
635 AM EDT Fri Mar 19 2021

...GALE WARNING IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON...
...STORM WARNING IS CANCELLED...

* WHAT...North winds 25 to 35 kt with gusts up to 40 kt and seas 
  8 to 13 feet.

* 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 5 PM EDT this afternoon.

* 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.

&&

$$

ANZ230-236-192100-
/O.CAN.KBOX.GL.W.0017.000000T0000Z-210319T1500Z/
/O.NEW.KBOX.SC.Y.0031.210319T1035Z-210319T2100Z/
Boston Harbor-Narragansett Bay-
635 AM EDT Fri Mar 19 2021

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON...
...GALE WARNING IS CANCELLED...

* WHAT...North winds 15 to 25 kt with gusts up to 30 kt and 
  waves 1 to 3 feet.

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

* WHEN...Until 5 PM EDT this afternoon.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ANZ231-191800-
/O.EXT.KBOX.GL.W.0017.000000T0000Z-210319T1800Z/
Cape Cod Bay-
635 AM EDT Fri Mar 19 2021

...GALE WARNING NOW IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON...

* WHAT...North winds 25 to 30 kt with gusts up to 35 kt and seas 
  6 to 11 feet.

* WHERE...Cape Cod Bay.

* WHEN...Until 2 PM EDT this afternoon.

* 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.

&&

$$

ANZ233-234-191800-
/O.EXT.KBOX.GL.W.0017.000000T0000Z-210319T1800Z/
Vineyard Sound-Buzzards Bay-
635 AM EDT Fri Mar 19 2021

...GALE WARNING NOW IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON...

* WHAT...North winds 25 to 30 kt with gusts up to 35 kt and seas 
  4 to 6 feet.

* WHERE...Vineyard Sound and Buzzards Bay.

* WHEN...Until 2 PM EDT this afternoon.

* 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.

&&

$$

ANZ250-191800-
/O.EXT.KBOX.GL.W.0017.000000T0000Z-210319T1800Z/
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
635 AM EDT Fri Mar 19 2021

...GALE WARNING NOW IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON...

* WHAT...North winds 25 to 30 kt with gusts up to 35 kt and seas 
  10 to 13 feet.

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

* WHEN...Until 2 PM EDT this afternoon.

* 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.

&&

$$

ANZ232-191800-
/O.EXT.KBOX.GL.W.0017.000000T0000Z-210319T1800Z/
Nantucket Sound-
635 AM EDT Fri Mar 19 2021

...GALE WARNING NOW IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON...

* WHAT...North winds 25 to 30 kt with gusts up to 40 kt and seas 
  4 to 6 feet.

* WHERE...Nantucket Sound.

* WHEN...Until 2 PM EDT this afternoon.

* 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.

&&

$$

ANZ251-191800-
/O.CON.KBOX.GL.W.0017.000000T0000Z-210319T1800Z/
Massachusetts Bay and Ipswich Bay-
635 AM EDT Fri Mar 19 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON...

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

* WHERE...Massachusetts Bay and Ipswich Bay.

* WHEN...Until 2 PM EDT this afternoon.

* 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.

&&

$$

ANZ235-237-191800-
/O.CON.KBOX.GL.W.0017.000000T0000Z-210319T1800Z/
Rhode Island Sound-Block Island Sound-
635 AM EDT Fri Mar 19 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON...

* WHAT...North winds 20 to 30 kt with gusts up to 40 kt and seas 
  4 to 6 feet.

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

* WHEN...Until 2 PM EDT this afternoon.

* 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.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 18, 2:33 AM EDTHigh Wind WarningBOXNantucket28 hr

Nearby

Storm Warnings in Massachusetts, 2021Every storm 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.