Storm Warning
NWS Boston/Norton MA ยท US
Updated
Details
Storm Warning Now In Effect Until 10 AM EDT Sunday
- Event
- Storm Warning
- Issued
- Onset
- Message expires
- Expected end
- Category
- Meteorological
- Urgency
- Immediate
- Severity
- Severe
- Certainty
- Observed
- Response
- Avoid
Description
What
East winds 25 to 35 kt with gusts up to 55 kt and seas 12 to 17 feet.
Where
In Massachusetts coastal waters, 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. In Atlantic coastal waters, Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM and Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM.
When
Until 10 AM EDT Sunday.
Impacts
Storm force winds and hazardous seas will capsize or damage vessels and reduce visibility.
Instructions
Mariners should remain in port, alter course, and/or secure the vessel for severe conditions.
Affected areas
- 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
- Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM
- Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM
Public contact
- Issuer
- NWS Boston/Norton MA
- Website
- http://www.weather.gov
Message record
- Received
- Issue to receipt
- ~32s
- CAP status
- Actual
- CAP message type
- Update
- Lifecycle
- Updated
- Source
- NWWS-OI
- Feed
- NWWS
- Recovered
- No
CAP routing and identity
- ULID
- 01M3F8MAT1BV5J861FZ3PBFPTA
- Identifier
- urn:oid:2.49.0.1.840.0.966ffcdf09545f1bac15f057073791df80fede0d.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.6085
- 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
- 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 | SRW |
Parameters
| Name | Value |
|---|---|
| AWIPSidentifier | MWWBOX |
| WMOidentifier | WHUS71 KBOX 261626 |
| NWSheadline | STORM WARNING NOW IN EFFECT UNTIL 10 AM EDT SUNDAY |
| BLOCKCHANNEL | EAS |
| BLOCKCHANNEL | NWEM |
| VTEC | /O.EXT.KBOX.SR.W.0005.000000T0000Z-260927T1400Z/ |
| eventEndingTime | 2026-09-27T10:00:00-04:00 |
| BLOCKCHANNEL | CMAS |
| expiredReferences | w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d3d2a99494842872c5ffbbecd96d5cf763a34706.003.1,2026-09-25T14:58:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d3d2a99494842872c5ffbbecd96d5cf763a34706.001.1,2026-09-25T14:58:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.32f00905e1ab0f7f9866d05afc8d008eb4904e53.001.1,2026-09-25T12:37:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.19bd578ee9e78b957ab80ef2a338220f969838f2.001.1,2026-09-25T01:38:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.3a33e92bbaf9c392bd610915e7916278e86ce406.002.3,2026-09-24T12:06:00-04:00 |
Locations
Location data
- 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
- Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM
- Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM
| Name | Value |
|---|---|
| SAME | 073255 |
| SAME | 073256 |
| SAME | 073282 |
| SAME | 073283 |
| UGC | ANZ255 |
| UGC | ANZ256 |
| UGC | ANZ282 |
| UGC | ANZ283 |