Warning Vector

Small Craft Advisory

NWS Boston/Norton MA ยท US

Updated

Details

Small Craft Advisory Remains In Effect Until 10 AM EST This Morning

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

Description

What

Northwest winds 15 to 20 kt with gusts up to 25 kt and seas 3 to 5 feet.

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

Until 10 AM EST this morning.

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 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

Public contact

Issuer
NWS Boston/Norton MA

Message record

Received
Issue to receipt
~55s
CAP status
Actual
CAP message type
Update
Lifecycle
Updated
Source
NWWS-OI
Feed
NWWS
Recovered
No
CAP routing and identity
ULID
01M74NJK45SCD658JN0KN3YYV9
Identifier
urn:oid:2.49.0.1.840.0.dac5bfad6553d3b3f06af4ac8ab5145e9576f450.002.1
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.1432
WMO heading
XOUS51
WMO data type
CAP alert message XML (XO)
WMO geography
United States (US)
WMO bulletin number
51

References

Sent
Sent
Sent
Sent
Sent
Sent
Sent
Sent
Sent
Sent
Sent
Sent
Sent

Event codes

NameValue
SAMENWS
NationalWeatherServiceSCY

Parameters

NameValue
AWIPSidentifierMWWBOX
WMOidentifierWHUS71 KBOX 110643
NWSheadlineSMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS MORNING
BLOCKCHANNELEAS
BLOCKCHANNELNWEM
VTEC/O.CON.KBOX.SC.Y.0106.000000T0000Z-261111T1500Z/
eventEndingTime2026-11-11T10:00:00-05:00
BLOCKCHANNELCMAS
expiredReferences[email protected],urn:oid:2.49.0.1.840.0.58321d94dd1dcc2de319bed1974e13f7fd5a7338.002.1,2026-11-10T02:30:00-05:00 [email protected],urn:oid:2.49.0.1.840.0.3856f7155cf59d9a09625634c3e8686f869d392a.002.1,2026-11-09T14:54:00-05:00 [email protected],urn:oid:2.49.0.1.840.0.a12f5c24d4001142417183a64a4d381321424935.002.1,2026-11-09T13:36:00-05:00 [email protected],urn:oid:2.49.0.1.840.0.763b13a971088c51079fe4d95f8e7fe46908db2e.003.1,2026-11-09T08:39:00-05:00 [email protected],urn:oid:2.49.0.1.840.0.6c11fb7ac6530fe53de62ac53079fc601ea52ee1.001.1,2026-11-09T01:59:00-05:00 [email protected],urn:oid:2.49.0.1.840.0.0e9967c3ea406ea1c89ef96609de6e0ebf58dedb.001.1,2026-11-08T13:21:00-05:00 [email protected],urn:oid:2.49.0.1.840.0.2371689a23eb040cff7b60dc380699b10d95c283.004.1,2026-11-08T07:39:00-05:00 [email protected],urn:oid:2.49.0.1.840.0.9df6344e317334ef787428d0b4ace6af8ec1b369.001.1,2026-11-08T02:11:00-05:00 [email protected],urn:oid:2.49.0.1.840.0.b6b9f3d2a751d0d38cc6eda7ec82efb50e30b7c9.003.1,2026-11-07T13:10:00-05:00 [email protected],urn:oid:2.49.0.1.840.0.b6b9f3d2a751d0d38cc6eda7ec82efb50e30b7c9.002.1,2026-11-07T13:10:00-05:00 [email protected],urn:oid:2.49.0.1.840.0.af0e2a6b586551c5c1cc44a149a5466efa817684.002.1,2026-11-07T02:25:00-05:00 [email protected],urn:oid:2.49.0.1.840.0.af0e2a6b586551c5c1cc44a149a5466efa817684.001.1,2026-11-07T02:25:00-05:00
Locations

Location data

  • 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
NameValue
SAME073254
SAME073255
UGCANZ254
UGCANZ255