Small Craft Advisory
NWS Detroit/Pontiac MI ยท US
Updated
Details
Small Craft Advisory Remains In Effect Until 10 PM EDT Wednesday
- Event
- Small Craft Advisory
- Issued
- Onset
- Message expires
- Expected end
- Category
- Meteorological
- Urgency
- Expected
- Severity
- Minor
- Certainty
- Likely
- Response
- Avoid
Description
What
Expect sustained winds up to 25 knots from the northeast with gusts up to 32 knots. The largest significant waves will be 7 feet with a potential maximum wave height of 10 feet.
Where
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay, Inner Saginaw Bay SW of Point Au Gres to Bay Port MI, Port Austin to Harbor Beach MI, Harbor Beach to Port Sanilac MI and Port Sanilac to Port Huron MI.
When
The maximum winds are expected around 4 AM EDT Monday with the largest waves expected around 6 AM EDT Monday.
Impacts
Conditions will be hazardous to small craft.
Instructions
Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.
Affected areas
- Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay
- Inner Saginaw Bay SW of Point Au Gres to Bay Port MI
- Port Austin to Harbor Beach MI
- Harbor Beach to Port Sanilac MI
- Port Sanilac to Port Huron MI
Public contact
- Issuer
- NWS Detroit/Pontiac MI
- Website
- http://www.weather.gov
Message record
- Received
- Issue to receipt
- ~1m15s
- CAP status
- Actual
- CAP message type
- Update
- Lifecycle
- Updated
- Source
- NWWS-OI
- Feed
- NWWS
- Recovered
- No
CAP routing and identity
- ULID
- 01M31H5A27SKRWF07TY19EQTMW
- Identifier
- urn:oid:2.49.0.1.840.0.05c085853924df1813905dc539714ea8801a92c1.001.1
- Sender
- w-nws.webmaster@noaa.gov
- Scope
- Public
- CAP source
- 211803 v2.3.0
- Handling codes
- IPAWSv1.0
- Issuing office
- NWS Detroit/Pontiac MI
- AWIPS ID
- CAPDTX
- NWWS sequence
- nwws_processor.4381
- WMO heading
- XOUS53
- WMO data type
- CAP alert message XML (XO)
- WMO geography
- United States (US)
- WMO bulletin number
- 53
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 | MWWDTX |
| WMOidentifier | WHUS73 KDTX 210825 |
| NWSheadline | SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT WEDNESDAY |
| BLOCKCHANNEL | EAS |
| BLOCKCHANNEL | NWEM |
| VTEC | /O.CON.KDTX.SC.Y.0056.000000T0000Z-260924T0200Z/ |
| eventEndingTime | 2026-09-23T22:00:00-04:00 |
| BLOCKCHANNEL | CMAS |
| expiredReferences | w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.4ee22a9415f7fa3278799ec6ffe079c8e26d47bf.001.1,2026-09-20T03:03:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.45eea9b3299cb4f1a8c62830fd4ad110c396cf4d.003.1,2026-09-19T15:44:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.7d4b093df9021b1357992edf3f3b7e7556b9e006.001.1,2026-09-19T10:12:00-04:00 |
Locations
Location data
- Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay
- Inner Saginaw Bay SW of Point Au Gres to Bay Port MI
- Port Austin to Harbor Beach MI
- Harbor Beach to Port Sanilac MI
- Port Sanilac to Port Huron MI
| Name | Value |
|---|---|
| SAME | 093421 |
| SAME | 093422 |
| SAME | 093441 |
| SAME | 093442 |
| SAME | 093443 |
| UGC | LHZ421 |
| UGC | LHZ422 |
| UGC | LHZ441 |
| UGC | LHZ442 |
| UGC | LHZ443 |