Alert archive / Massachusetts / Small Craft Advisories in 2021

Small Craft Advisory 56, NWS Boston/Norton, MA

May 26, 2021

NWS Boston/Norton, MA issued this small craft advisory at May 26, 2021, 9:51 AM EDT. It took effect at May 26, 2021, 12:00 PM EDT. It was in force for 18 hr.

The area

The counties it named.

The facts

Issued: May 26, 2021, 9:51 AM EDT (13:51 UTC)
In effect from: May 26, 2021, 12:00 PM EDT
Expired: May 27, 2021, 6:24 AM EDT
In force: 18 hr
Issued by: NWS Boston/Norton, MA

The text

As transmitted.

920 
WHUS71 KBOX 261351
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
951 AM EDT Wed May 26 2021

ANZ250-270300-
/O.CAN.KBOX.SC.Y.0052.000000T0000Z-210527T0000Z/
/O.NEW.KBOX.SC.Y.0056.210526T1600Z-210527T0800Z/
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
951 AM EDT Wed May 26 2021

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EDT THURSDAY...

* WHAT...Southwest winds 10 to 20 kt with gusts up to 25 kt and 
  seas 4 to 6 feet expected.

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

* WHEN...Until 4 AM EDT Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ANZ254-270300-
/O.CAN.KBOX.SC.Y.0054.000000T0000Z-210527T0000Z/
/O.NEW.KBOX.SC.Y.0056.210526T1600Z-210527T1500Z/
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
951 AM EDT Wed May 26 2021

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THURSDAY...

* WHAT...Southwest winds 10 to 20 kt with gusts up to 25 kt and 
  seas 4 to 6 feet expected.

* WHERE...Coastal waters from Provincetown MA to Chatham MA to 
  Nantucket MA out 20 nm.

* WHEN...Until 11 AM EDT Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ANZ255-256-270300-
/O.CAN.KBOX.SC.Y.0055.000000T0000Z-210527T0000Z/
/O.NEW.KBOX.SC.Y.0056.210526T1600Z-210527T1500Z/
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-
951 AM EDT Wed May 26 2021

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THURSDAY...

* WHAT...Southwest winds 10 to 20 kt with gusts up to 25 kt and 
  seas 4 to 6 feet expected.

* WHERE...In Massachusetts coastal waters, 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 Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ANZ231-251-270200-
/O.CAN.KBOX.SC.Y.0052.000000T0000Z-210527T0000Z/
/O.NEW.KBOX.SC.Y.0056.210526T1600Z-210527T0200Z/
Cape Cod Bay-Massachusetts Bay and Ipswich Bay-
951 AM EDT Wed May 26 2021

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

* WHAT...Southwest winds 15 to 20 kt with gusts up to 25 kt and 
  seas 2 to 4 feet expected.

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

* WHEN...Until 10 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.

&&

$$

ANZ232-270200-
/O.CAN.KBOX.SC.Y.0052.000000T0000Z-210527T0000Z/
/O.NEW.KBOX.SC.Y.0056.210526T1600Z-210527T0200Z/
Nantucket Sound-
951 AM EDT Wed May 26 2021

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

* WHAT...Southwest winds 15 to 20 kt with gusts up to 25 kt and 
  seas 2 to 4 feet expected.

* WHERE...Nantucket Sound.

* WHEN...Until 10 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.

&&

$$

ANZ233>235-270200-
/O.CAN.KBOX.SC.Y.0055.000000T0000Z-210527T0000Z/
/O.NEW.KBOX.SC.Y.0056.210526T1600Z-210527T0200Z/
Vineyard Sound-Buzzards Bay-Rhode Island Sound-
951 AM EDT Wed May 26 2021

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

* WHAT...Southwest winds 15 to 20 kt with gusts up to 25 kt and 
  seas 2 to 4 feet expected.

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

* WHEN...Until 10 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.

&&

$$

ANZ237-261500-
/O.CAN.KBOX.SC.Y.0055.000000T0000Z-210527T0000Z/
Block Island Sound-
951 AM EDT Wed May 26 2021

...SMALL CRAFT ADVISORY IS CANCELLED...

$$

ANZ230-270200-
/O.NEW.KBOX.SC.Y.0056.210526T1600Z-210527T0200Z/
Boston Harbor-
951 AM EDT Wed May 26 2021

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

* WHAT...Southwest winds 15 to 20 kt with gusts up to 25 kt and 
  waves 1 to 2 feet expected.

* WHERE...Boston Harbor.

* WHEN...Until 10 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.

&&

$$

ANZ236-270000-
/O.NEW.KBOX.SC.Y.0056.210526T1600Z-210527T0000Z/
Narragansett Bay-
951 AM EDT Wed May 26 2021

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...

* WHAT...Southwest winds around 15 kt with gusts up to 25 kt and 
  waves 1 to 3 feet expected.

* WHERE...Narragansett Bay.

* WHEN...Until 8 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.

&&

$$

3 follow-up statements

479 
WHUS71 KBOX 261943
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
343 PM EDT Wed May 26 2021

ANZ250-270800-
/O.CON.KBOX.SC.Y.0056.000000T0000Z-210527T0800Z/
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
343 PM EDT Wed May 26 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EDT
THURSDAY...

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

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

* WHEN...Until 4 AM EDT Thursday.

* 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>256-270845-
/O.CON.KBOX.SC.Y.0056.000000T0000Z-210527T1500Z/
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-
343 PM EDT Wed May 26 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT
THURSDAY...

* WHAT...Southwest winds 10 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 11 AM EDT Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ANZ231-251-270200-
/O.CON.KBOX.SC.Y.0056.000000T0000Z-210527T0200Z/
Cape Cod Bay-Massachusetts Bay and Ipswich Bay-
343 PM EDT Wed May 26 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

* WHAT...Southwest winds 15 to 20 kt with gusts up to 30 kt and 
  seas 2 to 4 feet.

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

* WHEN...Until 10 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.

&&

$$

ANZ232>235-270200-
/O.CON.KBOX.SC.Y.0056.000000T0000Z-210527T0200Z/
Nantucket Sound-Vineyard Sound-Buzzards Bay-Rhode Island Sound-
343 PM EDT Wed May 26 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

* WHAT...Southwest winds 15 to 20 kt with gusts up to 30 kt and 
  seas 2 to 4 feet.

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

* WHEN...Until 10 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.

&&

$$

ANZ230-270200-
/O.CON.KBOX.SC.Y.0056.000000T0000Z-210527T0200Z/
Boston Harbor-
343 PM EDT Wed May 26 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

* WHAT...Southwest winds 15 to 20 kt with gusts up to 25 kt and 
  waves around 2 feet.

* WHERE...Boston Harbor.

* WHEN...Until 10 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.

&&

$$

ANZ236-270000-
/O.CON.KBOX.SC.Y.0056.000000T0000Z-210527T0000Z/
Narragansett Bay-
343 PM EDT Wed May 26 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

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

* WHERE...Narragansett Bay.

* WHEN...Until 8 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.

&&

$$

813 
WHUS71 KBOX 270558
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
158 AM EDT Thu May 27 2021

ANZ250-270700-
/O.CAN.KBOX.SC.Y.0056.000000T0000Z-210527T0800Z/
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
158 AM EDT Thu May 27 2021

...SMALL CRAFT ADVISORY IS CANCELLED...

$$

ANZ254>256-271200-
/O.EXT.KBOX.SC.Y.0056.000000T0000Z-210527T1200Z/
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-
158 AM EDT Thu May 27 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 8 AM EDT THIS
MORNING...

* WHAT...Southwest winds 10 to 15 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 8 AM EDT this morning.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

840 
WHUS71 KBOX 271024
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
624 AM EDT Thu May 27 2021

ANZ254>256-271130-
/O.CAN.KBOX.SC.Y.0056.000000T0000Z-210527T1200Z/
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-
624 AM EDT Thu May 27 2021

...SMALL CRAFT ADVISORY IS CANCELLED...

Seas have subsided below SCY criteria, therefore the advisory is 
cancelled.

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 25, 10:05 PM EDT	Small Craft Advisory	BOX		12 hr
May 26, 5:03 PM EDT	Special Weather Statement	BOX	Franklin	27 min
May 26, 5:30 PM EDT	Special Weather Statement	BOX	Franklin	45 min
May 26, 5:47 PM EDT	Severe Thunderstorm Warning	BOX	Franklin, Hampshire, Worcester	58 min
May 26, 6:13 PM EDT	Severe Thunderstorm Warning	BOX	Franklin, Middlesex, Worcester	62 min
May 26, 6:39 PM EDT	Severe Thunderstorm Warning	BOX	Franklin, Hampden, Hampshire, Worcester	66 min
May 26, 7:05 PM EDT	Severe Thunderstorm Warning	BOX	Hampden	55 min
May 26, 7:15 PM EDT	Special Weather Statement	BOX	Essex, Middlesex	45 min
May 26, 7:21 PM EDT	Special Marine Warning	BOX		54 min
May 26, 7:45 PM EDT	Severe Thunderstorm Warning	BOX	Hampden, Hampshire, Worcester	60 min
May 26, 7:40 PM EDT	Severe Thunderstorm Warning	BOX	Capitol Planning Region	65 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.