Alert archive / Massachusetts / Small Craft Advisories in 2021

Small Craft Advisory 53, NWS Boston/Norton, MA

May 23, 2021

NWS Boston/Norton, MA issued this small craft advisory at May 23, 2021, 3:27 AM EDT. It took effect at May 23, 2021, 2:00 PM EDT. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
May 23, 2021, 3:27 AM EDT (07:27 UTC)
In effect from
May 23, 2021, 2:00 PM EDT
Expired
May 23, 2021, 9:30 PM EDT
In force
8 hr
Issued by
NWS Boston/Norton, MA

The text

As transmitted.

784 
WHUS71 KBOX 230727
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
327 AM EDT Sun May 23 2021

ANZ235-237-232030-
/O.CAN.KBOX.SC.Y.0052.000000T0000Z-210523T0900Z/
/O.NEW.KBOX.SC.Y.0053.210523T1800Z-210524T0600Z/
Rhode Island Sound-Block Island Sound-
327 AM EDT Sun May 23 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM THIS AFTERNOON TO
2 AM EDT MONDAY...

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

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

* WHEN...From 2 PM this afternoon to 2 AM EDT Monday.

* 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>234-232030-
/O.EXB.KBOX.SC.Y.0052.210523T1800Z-210524T0600Z/
Cape Cod Bay-Nantucket Sound-Vineyard Sound-Buzzards Bay-
327 AM EDT Sun May 23 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM THIS AFTERNOON TO
2 AM EDT MONDAY...

* WHAT...North winds 10 to 20 kt with gusts up to 25 kt and seas 3
  to 5 feet expected. There also is the risk for very brief north
  to northeast wind gusts of 35 to 45 knots later this afternoon 
  into early this evening.

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

* WHEN...From 2 PM this afternoon to 2 AM EDT Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ANZ230-236-232030-
/O.EXB.KBOX.SC.Y.0052.210523T1800Z-210524T0300Z/
Boston Harbor-Narragansett Bay-
327 AM EDT Sun May 23 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM THIS AFTERNOON TO
11 PM EDT THIS EVENING...

* 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 2 PM this afternoon to 11 PM EDT 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.

&&

$$

ANZ250-232030-
/O.CON.KBOX.SC.Y.0052.000000T0000Z-210524T1000Z/
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
327 AM EDT Sun May 23 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM EDT MONDAY...

* WHAT...Northwest winds 10 to 20 kt with gusts up to 25 kt and 
  seas 4 to 7 feet. There also is the risk for very brief north
  to northeast wind gusts of 35 to 45 knots later this afternoon 
  into early this evening.

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

* WHEN...Until 6 AM EDT Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ANZ254>256-232030-
/O.CON.KBOX.SC.Y.0052.000000T0000Z-210524T1000Z/
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-
327 AM EDT Sun May 23 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM EDT MONDAY...

* WHAT...Northwest winds 10 to 20 kt with gusts up to 30 kt and 
  seas 4 to 6 feet. There also is the risk for very brief north
  to northeast wind gusts of 35 to 45 knots later this afternoon 
  into early this evening.

* 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 6 AM EDT Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ANZ251-232030-
/O.CON.KBOX.SC.Y.0052.000000T0000Z-210524T1000Z/
Massachusetts Bay and Ipswich Bay-
327 AM EDT Sun May 23 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM EDT MONDAY...

* WHAT...Northwest winds 10 to 20 kt with gusts up to 30 kt and 
  seas 4 to 6 feet. There also is the risk for very brief north
  to northeast wind gusts of 35 to 45 knots later this afternoon 
  into early this evening.

* WHERE...Massachusetts Bay and Ipswich Bay.

* WHEN...Until 6 AM EDT Monday.

* 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
2 follow-up statements
322 
WHUS71 KBOX 231921
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
321 PM EDT Sun May 23 2021

ANZ250-240900-
/O.CON.KBOX.SC.Y.0052.000000T0000Z-210524T1000Z/
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
321 PM EDT Sun May 23 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM EDT MONDAY...

* WHAT...Northeast winds 10 to 20 kt with gusts up to 30 kts and
  occasional gale force gusts to 35 kt. Seas 4 to 6 feet.

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

* WHEN...Until 6 AM EDT Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ANZ254>256-240900-
/O.CON.KBOX.SC.Y.0052.000000T0000Z-210524T1000Z/
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-
321 PM EDT Sun May 23 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM EDT MONDAY...

* WHAT...North winds 10 to 20 kt with gusts up to 30 kts and
  occasional gale force gusts to 35 kt. Seas 4 to 6 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 6 AM EDT Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ANZ251-240900-
/O.CON.KBOX.SC.Y.0052.000000T0000Z-210524T1000Z/
Massachusetts Bay and Ipswich Bay-
321 PM EDT Sun May 23 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM EDT MONDAY...

* WHAT...North winds 10 to 20 kt with gusts up to 30 kt and seas 
  3 to 5 feet.

* WHERE...Massachusetts Bay and Ipswich Bay.

* WHEN...Until 6 AM EDT Monday.

* 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>234-240600-
/O.CON.KBOX.SC.Y.0052.000000T0000Z-210524T0600Z/
Cape Cod Bay-Nantucket Sound-Vineyard Sound-Buzzards Bay-
321 PM EDT Sun May 23 2021

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

* WHAT...North winds 10 to 20 kt with gusts up to 30 kt and seas 
  2 to 4 feet.

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

* WHEN...Until 2 AM EDT Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ANZ235-237-240600-
/O.CON.KBOX.SC.Y.0053.000000T0000Z-210524T0600Z/
Rhode Island Sound-Block Island Sound-
321 PM EDT Sun May 23 2021

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

* WHAT...North winds 10 to 20 kt with gusts up to 30 kt and seas 
  2 to 4 feet.

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

* WHEN...Until 2 AM EDT Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ANZ230-236-240300-
/O.CON.KBOX.SC.Y.0052.000000T0000Z-210524T0300Z/
Boston Harbor-Narragansett Bay-
321 PM EDT Sun May 23 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 PM EDT THIS
EVENING...

* WHAT...North winds 10 to 15 kt with gusts up to 25 kt and 
  waves 1 to 3 feet.

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

* WHEN...Until 11 PM EDT 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.

&&

$$
004 
WHUS71 KBOX 240130
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
930 PM EDT Sun May 23 2021

ANZ231>234-240230-
/O.CAN.KBOX.SC.Y.0052.000000T0000Z-210524T0600Z/
Cape Cod Bay-Nantucket Sound-Vineyard Sound-Buzzards Bay-
930 PM EDT Sun May 23 2021

...SMALL CRAFT ADVISORY IS CANCELLED...

The Small Craft Advisory has been cancelled as the wind gusts 
have fallen below advisory criteria.

$$

ANZ230-236-240230-
/O.CAN.KBOX.SC.Y.0052.000000T0000Z-210524T0300Z/
Boston Harbor-Narragansett Bay-
930 PM EDT Sun May 23 2021

...SMALL CRAFT ADVISORY IS CANCELLED...

The Small Craft Advisory has been cancelled as the wind gusts 
have fallen below advisory criteria.

$$

ANZ235-237-240230-
/O.CAN.KBOX.SC.Y.0053.000000T0000Z-210524T0600Z/
Rhode Island Sound-Block Island Sound-
930 PM EDT Sun May 23 2021

...SMALL CRAFT ADVISORY IS CANCELLED...

The Small Craft Advisory has been cancelled as the wind gusts 
have fallen below advisory criteria.

$$

ANZ251-240230-
/O.CAN.KBOX.SC.Y.0052.000000T0000Z-210524T1000Z/
Massachusetts Bay and Ipswich Bay-
930 PM EDT Sun May 23 2021

...SMALL CRAFT ADVISORY IS CANCELLED...

The Small Craft Advisory has been cancelled as the wind gusts 
have fallen below advisory criteria.

$$

ANZ250-241000-
/O.CON.KBOX.SC.Y.0052.000000T0000Z-210524T1000Z/
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
930 PM EDT Sun May 23 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM EDT MONDAY...

* WHAT...Northeast winds 15 to 20 kt with gusts up to 25 kt and 
  seas 4 to 6 feet.

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

* WHEN...Until 6 AM EDT Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ANZ254>256-241000-
/O.CON.KBOX.SC.Y.0052.000000T0000Z-210524T1000Z/
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-
930 PM EDT Sun May 23 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM EDT MONDAY...

* WHAT...Northeast winds 15 to 20 kt with gusts up to 30 kt and 
  seas 4 to 6 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 6 AM EDT Monday.

* 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
May 23, 4:02 PM EDTSpecial Weather StatementBOXWorcester28 min

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.