Small Craft Advisory

NWS Boston/Norton MA · US

Updated

This event was updated at 2026-11-11 06:43:00 UTC.

Details

Small Craft Advisory Remains In Effect Until 10 AM EST Wednesday

Event: Small Craft Advisory
Issued: 2026-11-09 19:54:00 UTC
Onset: 2026-11-09 19:54:00 UTC
Message expires: 2026-11-10 09:00:00 UTC
Expected end: 2026-11-11 15:00:00 UTC
Category: Meteorological
Urgency: Expected
Severity: Minor
Certainty: Likely
Response: Avoid

Description

What

West winds 15 to 20 kt with gusts up to 25 kt and seas 4 to 7 feet.

Where

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

When

Until 10 AM EST Wednesday.

Impacts

Conditions will be hazardous to small craft. * ADDITIONAL INFORMATION...Expecting a brief lull in conditions this morning into early afternoon. Gusty winds and rough seas should redevelop by this evening.

Instructions

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

Affected areas

Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island

Public contact

Issuer: NWS Boston/Norton MA
Website: http://www.weather.gov

Message record

Received: 2026-11-09 19:54:23 UTC
Issue to receipt: ~23s
CAP status: Actual
CAP message type: Update
Lifecycle: Updated
Source: NWWS-OI
Feed: NWWS
Recovered: No

CAP routing and identity

ULID: 01M70Y0HVXP8JAQ9W04267A33D
Identifier: urn:oid:2.49.0.1.840.0.3856f7155cf59d9a09625634c3e8686f869d392a.003.1
Sender: [email protected]
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.6231
WMO heading: XOUS51
WMO data type: CAP alert message XML (XO)
WMO geography: United States (US)
WMO bulletin number: 51

References

Identifier: urn:oid:2.49.0.1.840.0.6c11fb7ac6530fe53de62ac53079fc601ea52ee1.002.1
Sender: [email protected]
Sent: 2026-11-09 06:59:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.763b13a971088c51079fe4d95f8e7fe46908db2e.004.1
Sender: [email protected]
Sent: 2026-11-09 13:39:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.a12f5c24d4001142417183a64a4d381321424935.003.1
Sender: [email protected]
Sent: 2026-11-09 18:36:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.0e9967c3ea406ea1c89ef96609de6e0ebf58dedb.002.1
Sender: [email protected]
Sent: 2026-11-08 18:21:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.2371689a23eb040cff7b60dc380699b10d95c283.005.1
Sender: [email protected]
Sent: 2026-11-08 12:39:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.9df6344e317334ef787428d0b4ace6af8ec1b369.002.1
Sender: [email protected]
Sent: 2026-11-08 07:11:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.b6b9f3d2a751d0d38cc6eda7ec82efb50e30b7c9.001.1
Sender: [email protected]
Sent: 2026-11-07 18:10:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.af0e2a6b586551c5c1cc44a149a5466efa817684.007.1
Sender: [email protected]
Sent: 2026-11-07 07:25:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.871a60ebdd605a0a5681a7bfa0df1f9046452123.002.1
Sender: [email protected]
Sent: 2026-11-06 19:33:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.0773cf48492ed4d1ff9dc5a78015b242985248a6.002.1
Sender: [email protected]
Sent: 2026-11-06 07:30:00 UTC

Event codes

Name	Value
SAME	NWS
NationalWeatherService	SCY

Parameters

Name	Value
AWIPSidentifier	MWWBOX
WMOidentifier	WHUS71 KBOX 091954
NWSheadline	SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST WEDNESDAY
BLOCKCHANNEL	EAS
BLOCKCHANNEL	NWEM
VTEC	/O.CON.KBOX.SC.Y.0105.000000T0000Z-261111T1500Z/
eventEndingTime	2026-11-11T10:00:00-05:00
BLOCKCHANNEL	CMAS
expiredReferences	[email protected],urn:oid:2.49.0.1.840.0.0e9967c3ea406ea1c89ef96609de6e0ebf58dedb.002.1,2026-11-08T13:21:00-05:00 [email protected],urn:oid:2.49.0.1.840.0.2371689a23eb040cff7b60dc380699b10d95c283.005.1,2026-11-08T07:39:00-05:00 [email protected],urn:oid:2.49.0.1.840.0.9df6344e317334ef787428d0b4ace6af8ec1b369.002.1,2026-11-08T02:11:00-05:00 [email protected],urn:oid:2.49.0.1.840.0.b6b9f3d2a751d0d38cc6eda7ec82efb50e30b7c9.001.1,2026-11-07T13:10:00-05:00 [email protected],urn:oid:2.49.0.1.840.0.af0e2a6b586551c5c1cc44a149a5466efa817684.007.1,2026-11-07T02:25:00-05:00 [email protected],urn:oid:2.49.0.1.840.0.871a60ebdd605a0a5681a7bfa0df1f9046452123.002.1,2026-11-06T14:33:00-05:00 [email protected],urn:oid:2.49.0.1.840.0.0773cf48492ed4d1ff9dc5a78015b242985248a6.002.1,2026-11-06T02:30:00-05:00

Locations

Location data

Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island

Name	Value
SAME	073256
UGC	ANZ256