Special Marine Warning
NWS Juneau AK ยท US
Details
Special Marine Warning Issued September 20 At 10:26AM AKDT Until September 20 At 11:00AM AKDT By NWS Juneau AK
- Event
- Special Marine Warning
- Issued
- Onset
- Message expires
- Expected end
- Category
- Meteorological
- Urgency
- Immediate
- Severity
- Severe
- Certainty
- Likely
- Response
- Avoid
Description
Overview
SMWAJK The National Weather Service in Juneau has issued a * Special Marine Warning for... Glacier Bay... * Until 1100 AM AKDT. * At 1026 AM AKDT, a strong thunderstorm was located 11 NM southwest of Lone Island, or 19 NM northwest of Point Gustavus, moving north at 40 knots.
Hazard
Wind gusts to 40 knots.
Source
Radar indicated.
Impacts
Small craft could be damaged in briefly higher winds and suddenly higher waves.
Locations impacted
Lone Island and Muir Point.
Instructions
Move to safe harbor until hazardous weather passes. Boaters should seek safe harbor immediately until this storm passes. Wind gusts 34 knots or greater, high waves, dangerous lightning, and heavy rain are possible with this storm. Report severe weather to the Coast Guard or nearest law enforcement agency. They will relay your report to the National Weather Service office.
Affected areas
- Glacier Bay
Public contact
- Issuer
- NWS Juneau AK
- Website
- http://www.weather.gov
Message record
- Received
- Issue to receipt
- ~22s
- CAP status
- Actual
- CAP message type
- Alert
- Lifecycle
- New
- Source
- NWWS-OI
- Feed
- NWWS
- Recovered
- No
CAP routing and identity
- ULID
- 01M3013E4ZR72Y348F30DDR652
- Identifier
- urn:oid:2.49.0.1.840.0.872052c2e5fa99e55caced65977a22e3b4f7188a.001.1
- Sender
- w-nws.webmaster@noaa.gov
- Scope
- Public
- CAP source
- 211803 v2.3.0
- Handling codes
- IPAWSv1.0
- Issuing office
- NWS Juneau AK
- AWIPS ID
- CAPAJK
- NWWS sequence
- nwws_processor.611
- WMO heading
- XOAK57
- WMO data type
- CAP alert message XML (XO)
- WMO geography
- Alaska (AK)
- WMO bulletin number
- 57
Event codes
| Name | Value |
|---|---|
| SAME | SMW |
| NationalWeatherService | MAW |
Parameters
| Name | Value |
|---|---|
| AWIPSidentifier | SMWAJK |
| WMOidentifier | WHAK57 PAJK 201826 |
| eventMotionDescription | 2026-09-20T18:25:00-00:00...storm...198DEG...38KT...58.56,-136.43 |
| maxWindGust | 40 knots |
| maxHailSize | Up to .75 |
| BLOCKCHANNEL | EAS |
| BLOCKCHANNEL | NWEM |
| EAS-ORG | WXR |
| VTEC | /O.NEW.PAJK.MA.W.0002.260920T1826Z-260920T1900Z/ |
| eventEndingTime | 2026-09-20T11:00:00-08:00 |
| BLOCKCHANNEL | CMAS |
Locations
Location data
- Glacier Bay
| Name | Value |
|---|---|
| SAME | 058011 |
| UGC | PKZ011 |
- Polygons
- 58.76,-136.63 59.03,-136.6 58.9,-135.79 58.47,-136.24 58.54,-136.65 58.76,-136.63