Warning Vector

Small Craft Advisory

NWS Boston/Norton MA ยท US

New
This event was updated at .

Details

Small Craft Advisory In Effect From 8 PM This Evening To Noon EDT Saturday

Event
Small Craft Advisory
Issued
Onset
Message expires
Expected end
Category
Meteorological
Urgency
Expected
Severity
Minor
Certainty
Likely
Response
Avoid

Description

What

North winds 10 to 20 kt with gusts up to 25 kt and seas 3 to 5 feet expected.

Where

In Massachusetts coastal waters, Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary, Massachusetts Bay and Ipswich Bay, 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 8 PM this evening to noon EDT Saturday.

Impacts

Conditions will be hazardous to small craft.

Instructions

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

Affected areas

  • Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary
  • Massachusetts Bay and Ipswich 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
  • Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island

Public contact

Issuer
NWS Boston/Norton MA

Message record

Received
Issue to receipt
~1m9s
CAP status
Actual
CAP message type
Alert
Lifecycle
New
Source
NWWS-OI
Feed
NWWS
Recovered
No
CAP routing and identity
ULID
01M2TJCTBMVC2ZAK1AYYY8A9NQ
Identifier
urn:oid:2.49.0.1.840.0.11efcadbf86b382cacf544b20d75a753474f0d04.001.1
Sender
w-nws.webmaster@noaa.gov
Scope
Public
CAP source
211803 v2.3.0
Handling codes
IPAWSv1.0
Issuing office
NWS Boston/Norton MA
AWIPS ID
CAPBOX
NWWS sequence
nwws_processor.4946
WMO heading
XOUS51
WMO data type
CAP alert message XML (XO)
WMO geography
United States (US)
WMO bulletin number
51

Event codes

NameValue
SAMENWS
NationalWeatherServiceSCY

Parameters

NameValue
AWIPSidentifierMWWBOX
WMOidentifierWHUS71 KBOX 181532
NWSheadlineSMALL CRAFT ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO NOON EDT SATURDAY
BLOCKCHANNELEAS
BLOCKCHANNELNWEM
VTEC/O.NEW.KBOX.SC.Y.0086.260919T0000Z-260919T1600Z/
eventEndingTime2026-09-19T12:00:00-04:00
BLOCKCHANNELCMAS
Locations

Location data

  • Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary
  • Massachusetts Bay and Ipswich 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
  • Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island
NameValue
SAME073250
SAME073251
SAME073254
SAME073255
SAME073256
UGCANZ250
UGCANZ251
UGCANZ254
UGCANZ255
UGCANZ256