IEM VTEC Product Browser
This application allows easy navigation of National Weather Service issued products with Valid Time Event Coding (VTEC).
13 Nov 2024 Update: The tool was updated to use non-hash link style URLs. A shim is in place to translate the old URLs to the new ones, so nothing should be broken (famous last words). This was done to allow the HTML5 History API to provide a better user experience.
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2025 [KDTX] DETROIT Marine (MA) Warning (W) Number 8
Listing of Counties/Parishes/Zones Included in Product
RADAR Composite at Issuance Time
Storm Based Warning History
513
WHUS53 KDTX 302345
SMWDTX
LHZ441>443-462>464-310145-
/O.NEW.KDTX.MA.W.0008.250330T2345Z-250331T0145Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Special Marine Warning
National Weather Service Detroit/Pontiac MI
745 PM EDT Sun Mar 30 2025
The National Weather Service in Detroit/Pontiac has issued a
* Special Marine Warning for...
Harbor Beach to Port Sanilac MI...
Lake Huron from Harbor Beach to Port Sanilac 5NM Off Shore to
US/Canadian border...
Lake Huron from Port Austin to Harbor Beach 5NM Off Shore to the
US/Canadian border...
Lake Huron from Port Sanilac to Port Huron 5NM Off Shore to
US/Canadian border...
Port Austin to Harbor Beach MI...
Port Sanilac to Port Huron MI...
* Until 945 PM EDT.
* At 745 PM EDT, severe thunderstorms were located along a line
extending from 12 nm southeast of Quanicassee to 22 nm southeast of
Sebewaing to 20 nm west of Lakeport to 7 nm west of New Baltimore,
moving northeast at 50 knots.
HAZARD...Wind gusts in excess of 50 knots.
SOURCE...Radar.
IMPACT...Boats could suffer significant structural damage in high
winds. Small craft could capsize in suddenly higher
waves.
* Severe thunderstorms will be near...
Port Sanilac, Lakeport, and Lexington around 810 PM EDT.
Richmondville around 815 PM EDT.
Harbor Beach and White Rock around 820 PM EDT.
Port Austin and Port Hope around 825 PM EDT.
Other locations impacted by severe thunderstorms include White Rock
and Richmondville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Move to safe harbor immediately as gusty winds and high waves are
expected.
&&
LAT...LON 4301 8241 4294 8249 4301 8247 4322 8256
4377 8265 4398 8279 4404 8291 4397 8306
4396 8316 4399 8314 4400 8306 4405 8300
4418 8299 4417 8225 4359 8212
TIME...MOT...LOC 2345Z 215DEG 52KT 4347 8342 4339 8323 4309 8296 4266
8291
HAIL...0.00IN
WIND...50KTS
$$
JA
535
FZUS73 KDTX 310048
MWSDTX
Marine Weather Statement
National Weather Service Detroit/Pontiac MI
848 PM EDT Sun Mar 30 2025
LHZ441>443-462>464-310058-
/O.CAN.KDTX.MA.W.0008.000000T0000Z-250331T0145Z/
848 PM EDT Sun Mar 30 2025
...THE SPECIAL MARINE WARNING IS CANCELLED...
The affected areas were...
Harbor Beach to Port Sanilac MI...
Lake Huron from Harbor Beach to Port Sanilac 5NM Off Shore to
US/Canadian border...
Lake Huron from Port Austin to Harbor Beach 5NM Off Shore to the
US/Canadian border...
Lake Huron from Port Sanilac to Port Huron 5NM Off Shore to
US/Canadian border...
Port Austin to Harbor Beach MI...
Port Sanilac to Port Huron MI...
The thunderstorms have moved out of the area and no longer pose a
significant threat to boaters.
&&
LAT...LON 4301 8241 4294 8249 4301 8247 4322 8256
4377 8265 4398 8279 4404 8291 4397 8306
4396 8316 4399 8314 4400 8306 4405 8300
4418 8299 4417 8225 4359 8212
TIME...MOT...LOC 0047Z 215DEG 52KT 4421 8271 4413 8251 4383 8225 4340
8220
$$
JA
Permalink to 202503302345-KDTX-WHUS53-SMWDTX
513
WHUS53 KDTX 302345
SMWDTX
LHZ441>443-462>464-310145-
/O.NEW.KDTX.MA.W.0008.250330T2345Z-250331T0145Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Special Marine Warning
National Weather Service Detroit/Pontiac MI
745 PM EDT Sun Mar 30 2025
The National Weather Service in Detroit/Pontiac has issued a
* Special Marine Warning for...
Harbor Beach to Port Sanilac MI...
Lake Huron from Harbor Beach to Port Sanilac 5NM Off Shore to
US/Canadian border...
Lake Huron from Port Austin to Harbor Beach 5NM Off Shore to the
US/Canadian border...
Lake Huron from Port Sanilac to Port Huron 5NM Off Shore to
US/Canadian border...
Port Austin to Harbor Beach MI...
Port Sanilac to Port Huron MI...
* Until 945 PM EDT.
* At 745 PM EDT, severe thunderstorms were located along a line
extending from 12 nm southeast of Quanicassee to 22 nm southeast of
Sebewaing to 20 nm west of Lakeport to 7 nm west of New Baltimore,
moving northeast at 50 knots.
HAZARD...Wind gusts in excess of 50 knots.
SOURCE...Radar.
IMPACT...Boats could suffer significant structural damage in high
winds. Small craft could capsize in suddenly higher
waves.
* Severe thunderstorms will be near...
Port Sanilac, Lakeport, and Lexington around 810 PM EDT.
Richmondville around 815 PM EDT.
Harbor Beach and White Rock around 820 PM EDT.
Port Austin and Port Hope around 825 PM EDT.
Other locations impacted by severe thunderstorms include White Rock
and Richmondville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Move to safe harbor immediately as gusty winds and high waves are
expected.
&&
LAT...LON 4301 8241 4294 8249 4301 8247 4322 8256
4377 8265 4398 8279 4404 8291 4397 8306
4396 8316 4399 8314 4400 8306 4405 8300
4418 8299 4417 8225 4359 8212
TIME...MOT...LOC 2345Z 215DEG 52KT 4347 8342 4339 8323 4309 8296 4266
8291
HAIL...0.00IN
WIND...50KTS
$$
JA
Permalink to 202503310048-KDTX-FZUS73-MWSDTX
535
FZUS73 KDTX 310048
MWSDTX
Marine Weather Statement
National Weather Service Detroit/Pontiac MI
848 PM EDT Sun Mar 30 2025
LHZ441>443-462>464-310058-
/O.CAN.KDTX.MA.W.0008.000000T0000Z-250331T0145Z/
848 PM EDT Sun Mar 30 2025
...THE SPECIAL MARINE WARNING IS CANCELLED...
The affected areas were...
Harbor Beach to Port Sanilac MI...
Lake Huron from Harbor Beach to Port Sanilac 5NM Off Shore to
US/Canadian border...
Lake Huron from Port Austin to Harbor Beach 5NM Off Shore to the
US/Canadian border...
Lake Huron from Port Sanilac to Port Huron 5NM Off Shore to
US/Canadian border...
Port Austin to Harbor Beach MI...
Port Sanilac to Port Huron MI...
The thunderstorms have moved out of the area and no longer pose a
significant threat to boaters.
&&
LAT...LON 4301 8241 4294 8249 4301 8247 4322 8256
4377 8265 4398 8279 4404 8291 4397 8306
4396 8316 4399 8314 4400 8306 4405 8300
4418 8299 4417 8225 4359 8212
TIME...MOT...LOC 0047Z 215DEG 52KT 4421 8271 4413 8251 4383 8225 4340
8220
$$
JA
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Storm Reports within Product Polygon
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