Alert archive / Massachusetts / Small Craft Advisories in 2021

Small Craft Advisory 93, NWS Boston/Norton, MA

October 12, 2021

NWS Boston/Norton, MA issued this small craft advisory at Oct 12, 2021, 5:00 PM EDT. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued: Oct 12, 2021, 5:00 PM EDT (21:00 UTC)
Expired: Oct 12, 2021, 8:00 PM EDT
In force: 3 hr
Issued by: NWS Boston/Norton, MA

The text

As transmitted.

413 
WHUS71 KBOX 122100
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
500 PM EDT Tue Oct 12 2021

ANZ256-130000-
/O.CAN.KBOX.SC.Y.0091.000000T0000Z-211013T0400Z/
/O.NEW.KBOX.SC.Y.0093.211012T2100Z-211013T0000Z/
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
500 PM EDT Tue Oct 12 2021

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

* WHAT...East winds 5 to 10 kt and seas 4 to 5 feet expected.

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

* 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.

&&

$$

ANZ254-255-122200-
/O.CAN.KBOX.SC.Y.0091.000000T0000Z-211013T0000Z/
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-
500 PM EDT Tue Oct 12 2021

...SMALL CRAFT ADVISORY IS CANCELLED...

Seas will continue to diminish below 5 feet overnight.

$$

1 follow-up statement

889 
WHUS71 KBOX 122348
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
748 PM EDT Tue Oct 12 2021

ANZ256-130100-
/O.EXP.KBOX.SC.Y.0093.000000T0000Z-211013T0000Z/
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
748 PM EDT Tue Oct 12 2021

...SMALL CRAFT ADVISORY WILL EXPIRE AT 8 PM EDT THIS EVENING...

Conditions have fallen below Small Craft Advisory criteria. 

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 12, 1:11 AM EDT	Dense Fog Advisory	BOX	Bristol, Essex, Middlesex, Norfolk, Plymouth, Suffolk	8 hr

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.