Small Craft Advisory
NWS Boston/Norton MA ยท US
Updated
Details
Small Craft Advisory Remains In Effect Until 3 AM EDT Tuesday
- Event
- Small Craft Advisory
- Issued
- Onset
- Message expires
- Expected end
- Category
- Meteorological
- Urgency
- Expected
- Severity
- Minor
- Certainty
- Likely
- Response
- Avoid
Description
What
Northeast winds 10 to 20 kt and seas 3 to 5 feet.
Where
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM.
When
Until 3 AM EDT Tuesday.
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
Public contact
- Issuer
- NWS Boston/Norton MA
- Website
- http://www.weather.gov
Message record
- Received
- Issue to receipt
- ~42s
- CAP status
- Actual
- CAP message type
- Update
- Lifecycle
- Updated
- Source
- NWWS-OI
- Feed
- NWWS
- Recovered
- No
CAP routing and identity
- ULID
- 01M32MQ72TA6GH4N0T5SY7D6HZ
- Identifier
- urn:oid:2.49.0.1.840.0.9f85225afdb4c0e56fb4c56a015202a57acd2ce7.003.1
- 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.1481
- WMO heading
- XOUS51
- WMO data type
- CAP alert message XML (XO)
- WMO geography
- United States (US)
- WMO bulletin number
- 51
References
- Sender
- w-nws.webmaster@noaa.gov
- Sent
- Sender
- w-nws.webmaster@noaa.gov
- Sent
- Sender
- w-nws.webmaster@noaa.gov
- Sent
- Sender
- w-nws.webmaster@noaa.gov
- Sent
Event codes
| Name | Value |
|---|---|
| SAME | NWS |
| NationalWeatherService | SCY |
Parameters
| Name | Value |
|---|---|
| AWIPSidentifier | MWWBOX |
| WMOidentifier | WHUS71 KBOX 211847 |
| NWSheadline | SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM EDT TUESDAY |
| BLOCKCHANNEL | EAS |
| BLOCKCHANNEL | NWEM |
| VTEC | /O.CON.KBOX.SC.Y.0087.000000T0000Z-260922T0700Z/ |
| eventEndingTime | 2026-09-22T03:00:00-04:00 |
| BLOCKCHANNEL | CMAS |
| expiredReferences | w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.f52bbf7cd07cfb9742f937533a96270ae8cd7338.003.1,2026-09-20T14:30:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.28699bb856686343f16576b7f7f3ef731eb7dea0.002.1,2026-09-20T13:57:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d9f1011d0072c85969556cd9c23da17fdea950be.001.1,2026-09-20T03:59:00-04:00 |
Locations
Location data
- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM
| Name | Value |
|---|---|
| SAME | 073254 |
| UGC | ANZ254 |