Special Marine Warning
NWS Juneau AK ยท US
New
This event was updated at .
Details
Special Marine Warning Issued September 20 At 12:05PM AKDT Until September 20 At 1:00PM 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... Southern Stephens Passage... Frederick Sound... Sumner Strait... * Until 100 PM AKDT. * At 1205 PM AKDT, a strong thunderstorm was located 12 NM southeast of Kake, moving northeast at 25 knots.
Hazard
Wind gusts to nearly 50 knots.
Source
Satellite imagery indicated.
Impacts
Small craft could capsize in briefly higher winds and suddenly higher waves.
Locations impacted
Cape Fanshaw, Five Finger Light, Kake and Point Gambier.
Instructions
Move to safe harbor until hazardous weather passes.
Affected areas
- Stephens Passage
- Frederick Sound
- Sumner Strait
Public contact
- Issuer
- NWS Juneau AK
- Website
- http://www.weather.gov
Message record
- Received
- Issue to receipt
- ~49s
- CAP status
- Actual
- CAP message type
- Alert
- Lifecycle
- New
- Source
- NWWS-OI
- Feed
- NWWS
- Recovered
- No
CAP routing and identity
- ULID
- 01M306SGXDG4J1X2TNETMPEQ8P
- Identifier
- urn:oid:2.49.0.1.840.0.56c080aa96fb85718e7cdca4c280cb0a63fcc7fa.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.3384
- 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 202005 |
| eventMotionDescription | 2026-09-20T20:03:00-00:00...storm...212DEG...18KT...56.8,-133.78 |
| maxWindGust | 50 knots |
| maxHailSize | 0.00 |
| BLOCKCHANNEL | EAS |
| BLOCKCHANNEL | NWEM |
| EAS-ORG | WXR |
| VTEC | /O.NEW.PAJK.MA.W.0003.260920T2005Z-260920T2100Z/ |
| eventEndingTime | 2026-09-20T13:00:00-08:00 |
| BLOCKCHANNEL | CMAS |
Locations
Location data
- Stephens Passage
- Frederick Sound
- Sumner Strait
| Name | Value |
|---|---|
| SAME | 058031 |
| SAME | 058034 |
| SAME | 058035 |
| UGC | PKZ031 |
| UGC | PKZ034 |
| UGC | PKZ035 |
- Polygons
- 56.86,-134.16 57.47,-133.84 57.09,-132.7 56.63,-133.52 56.86,-134.16