Storm Watch
NWS Boston/Norton MA ยท US
Details
Small Craft Advisory Remains In Effect Until 8 PM EDT This Evening... ...Gale Warning Remains In Effect From 8 PM This Evening To 8 AM EDT Friday... ...Storm Watch Remains In Effect From Friday Morning Through Saturday Evening
- Event
- Storm Watch
- Issued
- Onset
- Message expires
- Expected end
- Category
- Meteorological
- Urgency
- Future
- Severity
- Severe
- Certainty
- Possible
- Response
- Prepare
Description
What
For the Small Craft Advisory, northeast winds 20 to 25 kt with gusts up to 30 kt and seas 7 to 9 feet. For the Gale Warning, northeast winds 25 to 35 kt with gusts up to 45 kt and seas 9 to 14 feet expected. For the Storm Watch, northeast winds 30 to 40 kt with gusts up to 50 kt and seas 17 to 22 feet possible.
Where
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM.
When
For the Small Craft Advisory, until 8 PM EDT this evening. For the Gale Warning, from 8 PM this evening to 8 AM EDT Friday. For the Storm Watch, from Friday morning through Saturday evening.
Impacts
Storm force winds and hazardous seas could capsize or damage vessels and reduce visibility.
Instructions
Mariners should prepare to remain in port, alter course, and/or secure the vessel before the onset of severe 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
- ~19s
- CAP status
- Actual
- CAP message type
- Alert
- Lifecycle
- New
- Source
- NWWS-OI
- Feed
- NWWS
- Recovered
- No
CAP routing and identity
- ULID
- 01M37XHYCM2S6HD0N49VEKFVE3
- Identifier
- urn:oid:2.49.0.1.840.0.3f2fa615f75ba0ab41741bad82d2778b442e0c35.001.3
- 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.3098
- 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
Event codes
| Name | Value |
|---|---|
| SAME | NWS |
| NationalWeatherService | SRA |
Parameters
| Name | Value |
|---|---|
| AWIPSidentifier | MWWBOX |
| WMOidentifier | WHUS71 KBOX 231958 |
| NWSheadline | SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... ...GALE WARNING REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 8 AM EDT FRIDAY... ...STORM WATCH REMAINS IN EFFECT FROM FRIDAY MORNING THROUGH SATURDAY EVENING |
| BLOCKCHANNEL | EAS |
| BLOCKCHANNEL | NWEM |
| VTEC | /O.CON.KBOX.SR.A.0004.260925T1200Z-260927T0000Z/ |
| eventEndingTime | 2026-09-26T20:00:00-04:00 |
| BLOCKCHANNEL | CMAS |
| expiredReferences | w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.22080b684e3dc39866cab6f9cf7ef56c037fbbd9.005.3,2026-09-23T02:24:00-04:00 |
Locations
Location data
- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM
| Name | Value |
|---|---|
| SAME | 073254 |
| UGC | ANZ254 |