Alert archive / Massachusetts / Small Craft Advisories in 2021

Small Craft Advisory 72, NWS Boston/Norton, MA

August 10, 2021

NWS Boston/Norton, MA issued this small craft advisory at Aug 10, 2021, 3:26 PM EDT. It took effect at Aug 11, 2021, 11:00 AM EDT. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
Aug 10, 2021, 3:26 PM EDT (19:26 UTC)
In effect from
Aug 11, 2021, 11:00 AM EDT
Expired
Aug 11, 2021, 3:32 PM EDT
In force
5 hr
Issued by
NWS Boston/Norton, MA

The text

As transmitted.

119 
WHUS71 KBOX 101926
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
326 PM EDT Tue Aug 10 2021

ANZ231>236-110830-
/O.NEW.KBOX.SC.Y.0072.210811T1500Z-210812T0000Z/
Cape Cod Bay-Nantucket Sound-Vineyard Sound-Buzzards Bay-
Rhode Island Sound-Narragansett Bay-
326 PM EDT Tue Aug 10 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM TO 8 PM EDT
WEDNESDAY...

* WHAT...Southwest winds 10 to 15 kt with gusts up to 25 kt and 
  seas 2 to 4 feet expected.

* WHERE...Portions of Massachusetts coastal waters and Rhode 
  Island coastal waters. 

* WHEN...From 11 AM to 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.

&&

$$

ANZ254-255-110830-
/O.NEW.KBOX.SC.Y.0072.210811T1500Z-210812T0000Z/
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-
326 PM EDT Tue Aug 10 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM TO 8 PM EDT
WEDNESDAY...

* WHAT...Southwest winds 10 to 15 kt with gusts up to 25 kt and 
  seas 3 to 4 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 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.

&&

$$

Frank
2 follow-up statements
205 
WHUS71 KBOX 110736
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
336 AM EDT Wed Aug 11 2021

ANZ231>236-112100-
/O.CON.KBOX.SC.Y.0072.210811T1500Z-210812T0000Z/
Cape Cod Bay-Nantucket Sound-Vineyard Sound-Buzzards Bay-
Rhode Island Sound-Narragansett Bay-
336 AM EDT Wed Aug 11 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING
TO 8 PM EDT THIS EVENING...

* WHAT...Southwest winds 10 to 15 kt with gusts up to 25 kt and 
  seas 1 to 3 feet expected.

* WHERE...Portions of Massachusetts coastal waters and Rhode 
  Island coastal waters. 

* WHEN...From 11 AM this morning to 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.

&&

$$

ANZ254-255-112100-
/O.CON.KBOX.SC.Y.0072.210811T1500Z-210812T0000Z/
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-
336 AM EDT Wed Aug 11 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING
TO 8 PM EDT THIS EVENING...

* WHAT...Southwest winds around 15 kt with gusts up to 25 kt and 
  seas 2 to 4 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 this morning to 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.

&&

$$
224 
WHUS71 KBOX 111932
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
332 PM EDT Wed Aug 11 2021

ANZ231>236-254-255-112045-
/O.CAN.KBOX.SC.Y.0072.000000T0000Z-210812T0000Z/
Cape Cod Bay-Nantucket Sound-Vineyard Sound-Buzzards Bay-
Rhode Island Sound-Narragansett Bay-
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-
332 PM EDT Wed Aug 11 2021

...SMALL CRAFT ADVISORY IS CANCELLED...
The strong wind gusts that triggered the advisory have fallen
below 25 knots, therefore the advisory has been cancelled.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 10, 3:22 AM EDTExcessive Heat WatchBOXBristol, Essex, Franklin, Hampden, Hampshire, Middlesex and 4 more60 hr
Aug 10, 3:22 AM EDTHeat AdvisoryBOXBristol, Essex, Franklin, Hampden, Hampshire, Middlesex and 4 more41 hr

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.