Small Craft Advisory
NWS Detroit/Pontiac MI ยท US
New
This event was updated at .
Details
Small Craft Advisory In Effect From 6 AM Friday To Midnight EDT Friday Night
- 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 16 knots from the north with gusts up to 20 knots. The largest significant waves will be 4 feet with a potential maximum wave height of 6 feet.
Where
Harbor Beach to Port Sanilac MI and Port Sanilac to Port Huron MI.
When
The maximum winds are expected around 6 PM EDT Friday with the largest waves expected around 8 PM EDT Friday.
Impacts
Conditions will be hazardous to small craft.
Instructions
Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.
Affected areas
- 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
- ~32s
- CAP status
- Actual
- CAP message type
- Alert
- Lifecycle
- New
- Source
- NWWS-OI
- Feed
- NWWS
- Recovered
- No
CAP routing and identity
- ULID
- 01M2REKQ9CX5YPPV42GG5GF9G8
- Identifier
- urn:oid:2.49.0.1.840.0.20a5e9b32adceed1e84ccb7387d3167cee9f28cc.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.2934
- WMO heading
- XOUS53
- WMO data type
- CAP alert message XML (XO)
- WMO geography
- United States (US)
- WMO bulletin number
- 53
Event codes
| Name | Value |
|---|---|
| SAME | NWS |
| NationalWeatherService | SCY |
Parameters
| Name | Value |
|---|---|
| AWIPSidentifier | MWWDTX |
| WMOidentifier | WHUS73 KDTX 171948 |
| NWSheadline | SMALL CRAFT ADVISORY IN EFFECT FROM 6 AM FRIDAY TO MIDNIGHT EDT FRIDAY NIGHT |
| BLOCKCHANNEL | EAS |
| BLOCKCHANNEL | NWEM |
| VTEC | /O.NEW.KDTX.SC.Y.0055.260918T1000Z-260919T0400Z/ |
| eventEndingTime | 2026-09-19T00:00:00-04:00 |
| BLOCKCHANNEL | CMAS |
Locations
Location data
- Harbor Beach to Port Sanilac MI
- Port Sanilac to Port Huron MI
| Name | Value |
|---|---|
| SAME | 093442 |
| SAME | 093443 |
| UGC | LHZ442 |
| UGC | LHZ443 |